Package: jets3t / 0.7.4+dfsg-1

03_add_xmlbuilder_source.diff Patch series | download
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Author: Miguel Landaeta <miguel@miguel.cc>
Subject: add XMLBuilder class to the source

The reason of this patch is because upstream bundled a library named
java-xmlbuilder-1.jar, which contains a simple class file used for
XML manipulation.

IMO, it is not worth the effort to package that library. So I am including
the source of that library here and giving proper credit in copyright file.

diff -Naur jets3t-0.7.2+dfsg/src/com/jamesmurty/utils/XMLBuilder.java jets3t-0.7.2+dfsg/src/com/jamesmurty/utils/XMLBuilder.java
--- jets3t-0.7.2+dfsg/src/com/jamesmurty/utils/XMLBuilder.java	1969-12-31 20:00:00.000000000 -0400
+++ jets3t-0.7.2+dfsg/src/com/jamesmurty/utils/XMLBuilder.java	2010-03-17 20:13:45.000000000 -0430
@@ -0,0 +1,664 @@
+/*
+ * Copyright 2008 James Murty (www.jamesmurty.com)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); 
+ * you may not use this file except in compliance with the License. 
+ * You may obtain a copy of the License at 
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0 
+ * 
+ * Unless required by applicable law or agreed to in writing, software 
+ * distributed under the License is distributed on an "AS IS" BASIS, 
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
+ * See the License for the specific language governing permissions and 
+ * limitations under the License.
+ * 
+ * 
+ * This code is available from the Google Code repository at:
+ * http://code.google.com/p/java-xmlbuilder
+ */
+package com.jamesmurty.utils;
+
+import java.io.IOException;
+import java.io.StringWriter;
+import java.io.Writer;
+import java.util.Iterator;
+import java.util.Properties;
+import java.util.Map.Entry;
+
+import javax.xml.parsers.DocumentBuilder;
+import javax.xml.parsers.DocumentBuilderFactory;
+import javax.xml.parsers.FactoryConfigurationError;
+import javax.xml.parsers.ParserConfigurationException;
+import javax.xml.transform.Transformer;
+import javax.xml.transform.TransformerException;
+import javax.xml.transform.TransformerFactory;
+import javax.xml.transform.dom.DOMSource;
+import javax.xml.transform.stream.StreamResult;
+import javax.xml.xpath.XPathConstants;
+import javax.xml.xpath.XPathExpression;
+import javax.xml.xpath.XPathExpressionException;
+import javax.xml.xpath.XPathFactory;
+
+import net.iharder.base64.Base64;
+
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
+import org.xml.sax.InputSource;
+import org.xml.sax.SAXException;
+
+/**
+ * XML Builder is a utility that creates simple XML documents using relatively 
+ * sparse Java code. It is intended to allow for quick and painless creation of 
+ * XML documents where you might otherwise be tempted to use concatenated 
+ * strings, rather than face the tedium and verbosity of coding with 
+ * JAXP (http://jaxp.dev.java.net/).
+ * <p>
+ * Internally, XML Builder uses JAXP to build a standard W3C 
+ * {@link org.w3c.dom.Document} model (DOM) that you can easily export as a 
+ * string, or access and manipulate further if you have special requirements.
+ * </p> 
+ * <p>
+ * The XMLBuilder class serves as a wrapper of {@link org.w3c.dom.Element} nodes,
+ * and provides a number of utility methods that make it simple to
+ * manipulate the underlying element and the document to which it belongs. 
+ * In essence, this class performs dual roles: it represents a specific XML 
+ * node, and also allows manipulation of the entire underlying XML document.
+ * The platform's default {@link DocumentBuilderFactory} and 
+ * {@link DocumentBuilder} classes are used to build the document.
+ * </p>
+ *  
+ * @author James Murty
+ */
+public class XMLBuilder {
+    /**
+     * A DOM Document that stores the underlying XML document operated on by 
+     * XMLBuilder instances. This document object belongs to the root node
+     * of a document, and is shared by this node with all other XMLBuilder 
+     * instances via the {@link #getDocument()} method. 
+     * This instance variable must only be created once, by the root node for 
+     * any given document. 
+     */
+    private Document xmlDocument = null;
+
+    /**
+     * The underlying element represented by this builder node. 
+     */
+    private Element xmlElement = null;
+
+    /**
+     * Construct a new builder object that wraps the given XML document.
+     * This constructor is for internal use only.
+     * 
+     * @param xmlDocument
+     * an XML document that the builder will manage and manipulate.
+     */
+    protected XMLBuilder(Document xmlDocument) {
+        this.xmlDocument = xmlDocument;
+        this.xmlElement = xmlDocument.getDocumentElement();
+    }
+
+    /**
+     * Construct a new builder object that wraps the given XML document
+     * and element element.
+     * This constructor is for internal use only.
+     * 
+     * @param myElement
+     * the XML element that this builder node will wrap. This element may 
+     * be part of the XML document, or it may be a new element that is to be
+     * added to the document.
+     * @param parentElement
+     * If not null, the given myElement will be appended as child node of the 
+     * parentElement node.
+     */
+    protected XMLBuilder(Element myElement, Element parentElement) {
+        this.xmlElement = myElement;
+        this.xmlDocument = myElement.getOwnerDocument();
+        if (parentElement != null) {
+        	parentElement.appendChild(myElement);
+        }
+    }
+    
+    /**
+     * Construct a builder for new XML document. The document will be created
+     * with the given root element, and the builder returned by this method
+     * will serve as the starting-point for any further document additions.
+     * 
+     * @param name
+     * the name of the document's root element.
+     * @return
+     * a builder node that can be used to add more nodes to the XML document.
+     * 
+     * @throws FactoryConfigurationError 
+     * @throws ParserConfigurationException 
+     */
+    public static XMLBuilder create(String name) 
+        throws ParserConfigurationException, FactoryConfigurationError 
+    {
+        // Init DOM builder and Document.
+        DocumentBuilder builder = 
+            DocumentBuilderFactory.newInstance().newDocumentBuilder();
+        Document document = builder.newDocument();
+        Element rootElement = document.createElement(name);
+        document.appendChild(rootElement);
+        return new XMLBuilder(document);
+    }
+
+    /**
+     * Construct a builder from an existing XML document. The provided XML
+     * document will be parsed and an XMLBuilder object referencing the
+     * document's root element will be returned.
+     * 
+     * @param inputSource
+     * an XML document input source that will be parsed into a DOM.
+     * @return
+     * a builder node that can be used to add more nodes to the XML document.
+     * @throws ParserConfigurationException 
+     * 
+     * @throws FactoryConfigurationError 
+     * @throws ParserConfigurationException 
+     * @throws IOException 
+     * @throws SAXException 
+     */
+    public static XMLBuilder parse(InputSource inputSource) 
+    	throws ParserConfigurationException, SAXException, IOException 
+    {
+        DocumentBuilder builder = 
+            DocumentBuilderFactory.newInstance().newDocumentBuilder();
+        Document document = builder.parse(inputSource);
+        return new XMLBuilder(document);
+    }
+    
+    /**
+     * @return
+     * true if the XML Document and Element objects wrapped by this
+     * builder are equal to the other's wrapped objects.
+     */
+    public boolean equals(Object obj) {
+    	if (obj != null && obj instanceof XMLBuilder) {
+    		XMLBuilder other = (XMLBuilder) obj;
+    		return 
+    			this.xmlDocument.equals(other.getDocument())
+    			&& this.xmlElement.equals(other.getElement());
+    	}
+    	return false;
+    }
+
+    /**
+     * @return
+     * the XML element that this builder node will manipulate.
+     */
+    public Element getElement() {
+        return this.xmlElement;
+    }
+
+    /**
+     * @return
+     * the builder node representing the root element of the XML document.
+     * In other words, the same builder node returned by the initial 
+     * {@link #create(String)} or {@link #parse(InputSource)} method.
+     */
+    public XMLBuilder root() {
+        return new XMLBuilder(getDocument());
+    }
+    
+    /**
+     * @return
+     * the XML document constructed by all builder nodes.
+     */
+    public Document getDocument() {
+    	return this.xmlDocument;
+    }
+    
+    /**
+     * Find the first element in the builder's DOM matching the given
+     * XPath expression. 
+     * 
+     * @param xpath
+     * An XPath expression that *must* resolve to an existing Element within
+     * the document object model. 
+     * 
+     * @return
+     * a builder node representing the first Element that matches the 
+     * XPath expression.
+     * 
+     * @throws XPathExpressionException
+     * If the XPath is invalid, or if does not resolve to at least one
+     * {@link Node.ELEMENT_NODE}.
+     */
+    public XMLBuilder xpathFind(String xpath) throws XPathExpressionException {
+    	XPathFactory xpathFactory = XPathFactory.newInstance();
+    	XPathExpression xpathExp = xpathFactory.newXPath().compile(xpath);
+    	Node foundNode = (Node) xpathExp.evaluate(this.xmlElement, XPathConstants.NODE);
+    	if (foundNode == null || foundNode.getNodeType() != Node.ELEMENT_NODE) {
+    		throw new XPathExpressionException("XPath expression \"" 
+				+ xpath + "\" does not resolve to an Element in context "
+				+ this.xmlElement + ": " + foundNode);
+    	}
+    	return new XMLBuilder((Element) foundNode, null);
+    }
+    
+    /**
+     * Add a named XML element to the document as a child of this builder node,
+     * and return the builder node representing the new child. 
+     * 
+     * @param name
+     * the name of the XML element.
+     * 
+     * @return
+     * a builder node representing the new child.
+     * 
+     * @throws IllegalStateException
+     * if you attempt to add a child element to an XML node that already 
+     * contains a text node value.
+     */
+    public XMLBuilder element(String name) {
+        // Ensure we don't create sub-elements in Elements that already have text node values.
+        Node textNode = null;
+        NodeList childNodes = xmlElement.getChildNodes();
+        for (int i = 0; i < childNodes.getLength(); i++) {
+            if (Element.TEXT_NODE == childNodes.item(i).getNodeType()) {
+                textNode = childNodes.item(i);
+                break;
+            }
+        }
+        if (textNode != null) {
+            throw new IllegalStateException("Cannot add sub-element <" +
+                name + "> to element <" + xmlElement.getNodeName() 
+                + "> that already contains the Text node: " + textNode);
+        }
+        
+        return new XMLBuilder(getDocument().createElement(name), this.xmlElement);        
+    }
+    
+    /**
+     * Synonym for {@link #element(String)}. 
+     * 
+     * @param name
+     * the name of the XML element.
+     * 
+     * @return
+     * a builder node representing the new child.
+     * 
+     * @throws IllegalStateException
+     * if you attempt to add a child element to an XML node that already 
+     * contains a text node value.
+     */
+    public XMLBuilder elem(String name) {
+        return element(name);
+    }
+
+    /**
+     * Synonym for {@link #element(String)}. 
+     * 
+     * @param name
+     * the name of the XML element.
+     * 
+     * @return
+     * a builder node representing the new child.
+     * 
+     * @throws IllegalStateException
+     * if you attempt to add a child element to an XML node that already 
+     * contains a text node value.
+     */
+    public XMLBuilder e(String name) {
+        return element(name);
+    }
+    
+    /**
+     * Add a named attribute value to the element represented by this builder
+     * node, and return the node representing the element to which the 
+     * attribute was added (<strong>not</strong> the new attribute node).
+     * 
+     * @param name
+     * the attribute's name.
+     * @param value
+     * the attribute's value.
+     * 
+     * @return
+     * the builder node representing the element to which the attribute was
+     * added.
+     */
+    public XMLBuilder attribute(String name, String value) {
+        xmlElement.setAttribute(name, value);
+        return this;
+    }
+
+    /**
+     * Synonym for {@link #attribute(String, String)}.
+     * 
+     * @param name
+     * the attribute's name.
+     * @param value
+     * the attribute's value.
+     * 
+     * @return
+     * the builder node representing the element to which the attribute was
+     * added.
+     */
+    public XMLBuilder attr(String name, String value) {
+        return attribute(name, value);
+    }
+
+    /**
+     * Synonym for {@link #attribute(String, String)}.
+     * 
+     * @param name
+     * the attribute's name.
+     * @param value
+     * the attribute's value.
+     * 
+     * @return
+     * the builder node representing the element to which the attribute was
+     * added.
+     */
+    public XMLBuilder a(String name, String value) {
+        return attribute(name, value);
+    }
+
+    /**
+     * Add a text value to the element represented by this builder node, and 
+     * return the node representing the element to which the text 
+     * was added (<strong>not</strong> the new text node).
+     * 
+     * @param value
+     * the text value to add to the element.
+     * 
+     * @return
+     * the builder node representing the element to which the text was added.
+     */
+    public XMLBuilder text(String value) {
+        xmlElement.appendChild(getDocument().createTextNode(value));
+        return this;
+    }
+
+    /**
+     * Synonmy for {@link #text(String)}.
+     * 
+     * @param value
+     * the text value to add to the element.
+     * 
+     * @return
+     * the builder node representing the element to which the text was added.
+     */
+    public XMLBuilder t(String value) {
+        return text(value);
+    }
+    
+    /**
+     * Add a CDATA value to the element represented by this builder node, and 
+     * return the node representing the element to which the data 
+     * was added (<strong>not</strong> the new CDATA node).
+     * 
+     * @param data
+     * the data value that will be Base64-encoded and added to a CDATA element.
+     * 
+     * @return
+     * the builder node representing the element to which the data was added.
+     */
+    public XMLBuilder cdata(byte[] data) {
+        xmlElement.appendChild(
+            getDocument().createCDATASection(
+                Base64.encodeBytes(data, Base64.DONT_BREAK_LINES)));
+        return this;
+    }
+
+    /**
+     * Synonym for {@link #cdata(String)}.
+     * 
+     * @param data
+     * the data value to add to the element.
+     * 
+     * @return
+     * the builder node representing the element to which the data was added.
+     */
+    public XMLBuilder data(byte[] data) {
+        return cdata(data);
+    }
+
+    /**
+     * Synonym for {@link #cdata(String)}.
+     * 
+     * @param data
+     * the data value to add to the element.
+     * 
+     * @return
+     * the builder node representing the element to which the data was added.
+     */
+    public XMLBuilder d(byte[] data) {
+        return cdata(data);
+    }
+
+    /**
+     * Add a comment to the element represented by this builder node, and 
+     * return the node representing the element to which the comment 
+     * was added (<strong>not</strong> the new comment node).
+     * 
+     * @param comment
+     * the comment to add to the element.
+     * 
+     * @return
+     * the builder node representing the element to which the comment was added.
+     */
+    public XMLBuilder comment(String comment) {
+        xmlElement.appendChild(getDocument().createComment(comment));
+        return this;
+    }
+
+    /**
+     * Synonym for {@link #comment(String)}.
+     * 
+     * @param comment
+     * the comment to add to the element.
+     * 
+     * @return
+     * the builder node representing the element to which the comment was added.
+     */
+    public XMLBuilder cmnt(String comment) {
+        return comment(comment);
+    }
+
+    /**
+     * Synonym for {@link #comment(String)}.
+     * 
+     * @param comment
+     * the comment to add to the element.
+     * 
+     * @return
+     * the builder node representing the element to which the comment was added.
+     */
+    public XMLBuilder c(String comment) {
+        return comment(comment);
+    }
+
+    /**
+     * Add an instruction to the element represented by this builder node, and 
+     * return the node representing the element to which the instruction 
+     * was added (<strong>not</strong> the new instruction node).
+     * 
+     * @param target
+     * the target value for the instruction.
+     * @param data
+     * the data value for the instruction
+     * 
+     * @return
+     * the builder node representing the element to which the instruction was 
+     * added.
+     */
+    public XMLBuilder instruction(String target, String data) {
+        xmlElement.appendChild(getDocument().createProcessingInstruction(target, data));
+        return this;
+    }
+
+    /**
+     * Synonym for {@link #instruction(String, String)}.
+     * 
+     * @param target
+     * the target value for the instruction.
+     * @param data
+     * the data value for the instruction
+     * 
+     * @return
+     * the builder node representing the element to which the instruction was 
+     * added.
+     */
+    public XMLBuilder inst(String target, String data) {
+        return instruction(target, data);
+    }
+
+    /**
+     * Synonym for {@link #instruction(String, String)}.
+     * 
+     * @param target
+     * the target value for the instruction.
+     * @param data
+     * the data value for the instruction
+     * 
+     * @return
+     * the builder node representing the element to which the instruction was 
+     * added.
+     */
+    public XMLBuilder i(String target, String data) {
+        return instruction(target, data);
+    }
+
+    /**
+     * Add a reference to the element represented by this builder node, and 
+     * return the node representing the element to which the reference 
+     * was added (<strong>not</strong> the new reference node).
+     * 
+     * @param name
+     * the name value for the reference.
+     * 
+     * @return
+     * the builder node representing the element to which the reference was 
+     * added.
+     */
+    public XMLBuilder reference(String name) {
+        xmlElement.appendChild(getDocument().createEntityReference(name));
+        return this;
+    }
+
+    /**
+     * Synonym for {@link #reference(String)}.
+     * 
+     * @param name
+     * the name value for the reference.
+     * 
+     * @return
+     * the builder node representing the element to which the reference was 
+     * added.
+     */
+    public XMLBuilder ref(String name) {
+        return reference(name);
+    }
+
+    /**
+     * Synonym for {@link #reference(String)}.
+     * 
+     * @param name
+     * the name value for the reference.
+     * 
+     * @return
+     * the builder node representing the element to which the reference was 
+     * added.
+     */
+    public XMLBuilder r(String name) {
+        return reference(name);
+    }
+
+    /**
+     * Return the builder node representing the n<em>th</em> ancestor element 
+     * of this node, or the root node if n exceeds the document's depth.
+     *   
+     * @param steps
+     * the number of parent elements to step over while navigating up the chain
+     * of node ancestors. A steps value of 1 will find a node's parent, 2 will
+     * find its grandparent etc.
+     * 
+     * @return
+     * the n<em>th</em> ancestor of this node, or the root node if this is 
+     * reached before the n<em>th</em> parent is found.
+     */
+    public XMLBuilder up(int steps) {
+    	Node currNode = (Node) this.xmlElement;
+        int stepCount = 0;
+        while (currNode.getParentNode() != null && stepCount < steps) {
+        	currNode = currNode.getParentNode();
+            stepCount++;
+        }        
+        return new XMLBuilder((Element) currNode, null);
+    }
+    
+    /**
+     * Return the builder node representing the parent of the current node.
+     * 
+     * @return
+     * the parent of this node, or the root node if this method is called on the
+     * root node. 
+     */
+    public XMLBuilder up() {
+        return up(1);
+    }
+
+    /**
+     * Serialize the XML document to the given writer using the default 
+     * {@link TransformerFactory} and {@link Transformer} classes. If output
+     * options are provided, these options are provided to the 
+     * {@link Transformer} serializer. 
+     * 
+     * @param writer
+     * a writer to which the serialized document is written.
+     * @param outputProperties
+     * settings for the {@link Transformer} serializer. This parameter may be
+     * null or an empty Properties object, in which case the default output
+     * properties will be applied.
+     * 
+     * @throws TransformerException
+     */
+    public void toWriter(Writer writer, Properties outputProperties) 
+        throws TransformerException 
+    {
+        StreamResult streamResult = new StreamResult(writer);
+        
+        DOMSource domSource = new DOMSource(getDocument());
+        TransformerFactory tf = TransformerFactory.newInstance();
+        Transformer serializer = tf.newTransformer();
+        
+        if (outputProperties != null) {
+            Iterator iter = outputProperties.entrySet().iterator();
+            while (iter.hasNext()) {
+                Entry entry = (Entry) iter.next();
+                serializer.setOutputProperty((String) entry.getKey(), (String) entry.getValue());
+            }
+        }
+        serializer.transform(domSource, streamResult);
+    }
+    
+    /**
+     * Serialize the XML document to a string by delegating to the 
+     * {@link #toWriter(Writer, Properties)} method. If output options are 
+     * provided, these options are provided to the {@link Transformer} 
+     * serializer. 
+     * 
+     * @param outputProperties
+     * settings for the {@link Transformer} serializer. This parameter may be
+     * null or an empty Properties object, in which case the default output
+     * properties will be applied.
+     * 
+     * @return
+     * the XML document as a string
+     * 
+     * @throws TransformerException 
+     */
+    public String asString(Properties outputProperties) 
+        throws TransformerException 
+    {
+        StringWriter writer = new StringWriter();
+        toWriter(writer, outputProperties);
+        return writer.toString();        
+    }
+    
+}
diff -Naur jets3t-0.7.2+dfsg/src/net/iharder/base64/Base64.java jets3t-0.7.2+dfsg/src/net/iharder/base64/Base64.java
--- jets3t-0.7.2+dfsg/src/net/iharder/base64/Base64.java	1969-12-31 20:00:00.000000000 -0400
+++ jets3t-0.7.2+dfsg/src/net/iharder/base64/Base64.java	2010-03-17 20:33:53.000000000 -0430
@@ -0,0 +1,1809 @@
+package net.iharder.base64;
+
+/**
+ * <p>Encodes and decodes to and from Base64 notation.</p>
+ * <p>Homepage: <a href="http://iharder.net/base64">http://iharder.net/base64</a>.</p>
+ *
+ * <p>The <tt>options</tt> parameter, which appears in a few places, is used to pass 
+ * several pieces of information to the encoder. In the "higher level" methods such as 
+ * encodeBytes( bytes, options ) the options parameter can be used to indicate such 
+ * things as first gzipping the bytes before encoding them, not inserting linefeeds 
+ * (though that breaks strict Base64 compatibility), and encoding using the URL-safe 
+ * and Ordered dialects.</p>
+ *
+ * <p>The constants defined in Base64 can be OR-ed together to combine options, so you 
+ * might make a call like this:</p>
+ *
+ * <code>String encoded = Base64.encodeBytes( mybytes, Base64.GZIP | Base64.DONT_BREAK_LINES );</code>
+ *
+ * <p>to compress the data before encoding it and then making the output have no newline characters.</p>
+ *
+ *
+ * <p>
+ * Change Log:
+ * </p>
+ * <ul>
+ *  <li>v2.2.2 - Fixed encodeFileToFile and decodeFileToFile to use the
+ *   Base64.InputStream class to encode and decode on the fly which uses
+ *   less memory than encoding/decoding an entire file into memory before writing.</li>
+ *  <li>v2.2.1 - Fixed bug using URL_SAFE and ORDERED encodings. Fixed bug
+ *   when using very small files (~< 40 bytes).</li>
+ *  <li>v2.2 - Added some helper methods for encoding/decoding directly from
+ *   one file to the next. Also added a main() method to support command line
+ *   encoding/decoding from one file to the next. Also added these Base64 dialects:
+ *   <ol>
+ *   <li>The default is RFC3548 format.</li>
+ *   <li>Calling Base64.setFormat(Base64.BASE64_FORMAT.URLSAFE_FORMAT) generates
+ *   URL and file name friendly format as described in Section 4 of RFC3548.
+ *   http://www.faqs.org/rfcs/rfc3548.html</li>
+ *   <li>Calling Base64.setFormat(Base64.BASE64_FORMAT.ORDERED_FORMAT) generates
+ *   URL and file name friendly format that preserves lexical ordering as described
+ *   in http://www.faqs.org/qa/rfcc-1940.html</li>
+ *   </ol>
+ *   Special thanks to Jim Kellerman at <a href="http://www.powerset.com/">http://www.powerset.com/</a>
+ *   for contributing the new Base64 dialects.
+ *  </li>
+ * 
+ *  <li>v2.1 - Cleaned up javadoc comments and unused variables and methods. Added
+ *   some convenience methods for reading and writing to and from files.</li>
+ *  <li>v2.0.2 - Now specifies UTF-8 encoding in places where the code fails on systems
+ *   with other encodings (like EBCDIC).</li>
+ *  <li>v2.0.1 - Fixed an error when decoding a single byte, that is, when the
+ *   encoded data was a single byte.</li>
+ *  <li>v2.0 - I got rid of methods that used booleans to set options. 
+ *   Now everything is more consolidated and cleaner. The code now detects
+ *   when data that's being decoded is gzip-compressed and will decompress it
+ *   automatically. Generally things are cleaner. You'll probably have to
+ *   change some method calls that you were making to support the new
+ *   options format (<tt>int</tt>s that you "OR" together).</li>
+ *  <li>v1.5.1 - Fixed bug when decompressing and decoding to a             
+ *   byte[] using <tt>decode( String s, boolean gzipCompressed )</tt>.      
+ *   Added the ability to "suspend" encoding in the Output Stream so        
+ *   you can turn on and off the encoding if you need to embed base64       
+ *   data in an otherwise "normal" stream (like an XML file).</li>  
+ *  <li>v1.5 - Output stream pases on flush() command but doesn't do anything itself.
+ *      This helps when using GZIP streams.
+ *      Added the ability to GZip-compress objects before encoding them.</li>
+ *  <li>v1.4 - Added helper methods to read/write files.</li>
+ *  <li>v1.3.6 - Fixed OutputStream.flush() so that 'position' is reset.</li>
+ *  <li>v1.3.5 - Added flag to turn on and off line breaks. Fixed bug in input stream
+ *      where last buffer being read, if not completely full, was not returned.</li>
+ *  <li>v1.3.4 - Fixed when "improperly padded stream" error was thrown at the wrong time.</li>
+ *  <li>v1.3.3 - Fixed I/O streams which were totally messed up.</li>
+ * </ul>
+ *
+ * <p>
+ * I am placing this code in the Public Domain. Do with it as you will.
+ * This software comes with no guarantees or warranties but with
+ * plenty of well-wishing instead!
+ * Please visit <a href="http://iharder.net/base64">http://iharder.net/base64</a>
+ * periodically to check for updates or to contribute improvements.
+ * </p>
+ *
+ * @author Robert Harder
+ * @author rob@iharder.net
+ * @version 2.2.2
+ */
+public class Base64
+{
+    
+/* ********  P U B L I C   F I E L D S  ******** */   
+    
+    
+    /** No options specified. Value is zero. */
+    public final static int NO_OPTIONS = 0;
+    
+    /** Specify encoding. */
+    public final static int ENCODE = 1;
+    
+    
+    /** Specify decoding. */
+    public final static int DECODE = 0;
+    
+    
+    /** Specify that data should be gzip-compressed. */
+    public final static int GZIP = 2;
+    
+    
+    /** Don't break lines when encoding (violates strict Base64 specification) */
+    public final static int DONT_BREAK_LINES = 8;
+	
+	/** 
+	 * Encode using Base64-like encoding that is URL- and Filename-safe as described
+	 * in Section 4 of RFC3548: 
+	 * <a href="http://www.faqs.org/rfcs/rfc3548.html">http://www.faqs.org/rfcs/rfc3548.html</a>.
+	 * It is important to note that data encoded this way is <em>not</em> officially valid Base64, 
+	 * or at the very least should not be called Base64 without also specifying that is
+	 * was encoded using the URL- and Filename-safe dialect.
+	 */
+	 public final static int URL_SAFE = 16;
+	 
+	 
+	 /**
+	  * Encode using the special "ordered" dialect of Base64 described here:
+	  * <a href="http://www.faqs.org/qa/rfcc-1940.html">http://www.faqs.org/qa/rfcc-1940.html</a>.
+	  */
+	 public final static int ORDERED = 32;
+    
+    
+/* ********  P R I V A T E   F I E L D S  ******** */  
+    
+    
+    /** Maximum line length (76) of Base64 output. */
+    private final static int MAX_LINE_LENGTH = 76;
+    
+    
+    /** The equals sign (=) as a byte. */
+    private final static byte EQUALS_SIGN = (byte)'=';
+    
+    
+    /** The new line character (\n) as a byte. */
+    private final static byte NEW_LINE = (byte)'\n';
+    
+    
+    /** Preferred encoding. */
+    private final static String PREFERRED_ENCODING = "UTF-8";
+    
+	
+    // I think I end up not using the BAD_ENCODING indicator.
+    //private final static byte BAD_ENCODING    = -9; // Indicates error in encoding
+    private final static byte WHITE_SPACE_ENC = -5; // Indicates white space in encoding
+    private final static byte EQUALS_SIGN_ENC = -1; // Indicates equals sign in encoding
+	
+	
+/* ********  S T A N D A R D   B A S E 6 4   A L P H A B E T  ******** */	
+    
+    /** The 64 valid Base64 values. */
+    //private final static byte[] ALPHABET;
+	/* Host platform me be something funny like EBCDIC, so we hardcode these values. */
+	private final static byte[] _STANDARD_ALPHABET =
+    {
+        (byte)'A', (byte)'B', (byte)'C', (byte)'D', (byte)'E', (byte)'F', (byte)'G',
+        (byte)'H', (byte)'I', (byte)'J', (byte)'K', (byte)'L', (byte)'M', (byte)'N',
+        (byte)'O', (byte)'P', (byte)'Q', (byte)'R', (byte)'S', (byte)'T', (byte)'U', 
+        (byte)'V', (byte)'W', (byte)'X', (byte)'Y', (byte)'Z',
+        (byte)'a', (byte)'b', (byte)'c', (byte)'d', (byte)'e', (byte)'f', (byte)'g',
+        (byte)'h', (byte)'i', (byte)'j', (byte)'k', (byte)'l', (byte)'m', (byte)'n',
+        (byte)'o', (byte)'p', (byte)'q', (byte)'r', (byte)'s', (byte)'t', (byte)'u', 
+        (byte)'v', (byte)'w', (byte)'x', (byte)'y', (byte)'z',
+        (byte)'0', (byte)'1', (byte)'2', (byte)'3', (byte)'4', (byte)'5', 
+        (byte)'6', (byte)'7', (byte)'8', (byte)'9', (byte)'+', (byte)'/'
+    };
+	
+    
+    /** 
+     * Translates a Base64 value to either its 6-bit reconstruction value
+     * or a negative number indicating some other meaning.
+     **/
+    private final static byte[] _STANDARD_DECODABET =
+    {   
+        -9,-9,-9,-9,-9,-9,-9,-9,-9,                 // Decimal  0 -  8
+        -5,-5,                                      // Whitespace: Tab and Linefeed
+        -9,-9,                                      // Decimal 11 - 12
+        -5,                                         // Whitespace: Carriage Return
+        -9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,     // Decimal 14 - 26
+        -9,-9,-9,-9,-9,                             // Decimal 27 - 31
+        -5,                                         // Whitespace: Space
+        -9,-9,-9,-9,-9,-9,-9,-9,-9,-9,              // Decimal 33 - 42
+        62,                                         // Plus sign at decimal 43
+        -9,-9,-9,                                   // Decimal 44 - 46
+        63,                                         // Slash at decimal 47
+        52,53,54,55,56,57,58,59,60,61,              // Numbers zero through nine
+        -9,-9,-9,                                   // Decimal 58 - 60
+        -1,                                         // Equals sign at decimal 61
+        -9,-9,-9,                                      // Decimal 62 - 64
+        0,1,2,3,4,5,6,7,8,9,10,11,12,13,            // Letters 'A' through 'N'
+        14,15,16,17,18,19,20,21,22,23,24,25,        // Letters 'O' through 'Z'
+        -9,-9,-9,-9,-9,-9,                          // Decimal 91 - 96
+        26,27,28,29,30,31,32,33,34,35,36,37,38,     // Letters 'a' through 'm'
+        39,40,41,42,43,44,45,46,47,48,49,50,51,     // Letters 'n' through 'z'
+        -9,-9,-9,-9                                 // Decimal 123 - 126
+        /*,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,     // Decimal 127 - 139
+        -9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,     // Decimal 140 - 152
+        -9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,     // Decimal 153 - 165
+        -9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,     // Decimal 166 - 178
+        -9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,     // Decimal 179 - 191
+        -9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,     // Decimal 192 - 204
+        -9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,     // Decimal 205 - 217
+        -9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,     // Decimal 218 - 230
+        -9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,     // Decimal 231 - 243
+        -9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9         // Decimal 244 - 255 */
+    };
+	
+	
+/* ********  U R L   S A F E   B A S E 6 4   A L P H A B E T  ******** */
+	
+	/**
+	 * Used in the URL- and Filename-safe dialect described in Section 4 of RFC3548: 
+	 * <a href="http://www.faqs.org/rfcs/rfc3548.html">http://www.faqs.org/rfcs/rfc3548.html</a>.
+	 * Notice that the last two bytes become "hyphen" and "underscore" instead of "plus" and "slash."
+	 */
+    private final static byte[] _URL_SAFE_ALPHABET =
+    {
+      (byte)'A', (byte)'B', (byte)'C', (byte)'D', (byte)'E', (byte)'F', (byte)'G',
+      (byte)'H', (byte)'I', (byte)'J', (byte)'K', (byte)'L', (byte)'M', (byte)'N',
+      (byte)'O', (byte)'P', (byte)'Q', (byte)'R', (byte)'S', (byte)'T', (byte)'U', 
+      (byte)'V', (byte)'W', (byte)'X', (byte)'Y', (byte)'Z',
+      (byte)'a', (byte)'b', (byte)'c', (byte)'d', (byte)'e', (byte)'f', (byte)'g',
+      (byte)'h', (byte)'i', (byte)'j', (byte)'k', (byte)'l', (byte)'m', (byte)'n',
+      (byte)'o', (byte)'p', (byte)'q', (byte)'r', (byte)'s', (byte)'t', (byte)'u', 
+      (byte)'v', (byte)'w', (byte)'x', (byte)'y', (byte)'z',
+      (byte)'0', (byte)'1', (byte)'2', (byte)'3', (byte)'4', (byte)'5', 
+      (byte)'6', (byte)'7', (byte)'8', (byte)'9', (byte)'-', (byte)'_'
+    };
+	
+	/**
+	 * Used in decoding URL- and Filename-safe dialects of Base64.
+	 */
+    private final static byte[] _URL_SAFE_DECODABET =
+    {   
+      -9,-9,-9,-9,-9,-9,-9,-9,-9,                 // Decimal  0 -  8
+      -5,-5,                                      // Whitespace: Tab and Linefeed
+      -9,-9,                                      // Decimal 11 - 12
+      -5,                                         // Whitespace: Carriage Return
+      -9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,     // Decimal 14 - 26
+      -9,-9,-9,-9,-9,                             // Decimal 27 - 31
+      -5,                                         // Whitespace: Space
+      -9,-9,-9,-9,-9,-9,-9,-9,-9,-9,              // Decimal 33 - 42
+      -9,                                         // Plus sign at decimal 43
+      -9,                                         // Decimal 44
+      62,                                         // Minus sign at decimal 45
+      -9,                                         // Decimal 46
+      -9,                                         // Slash at decimal 47
+      52,53,54,55,56,57,58,59,60,61,              // Numbers zero through nine
+      -9,-9,-9,                                   // Decimal 58 - 60
+      -1,                                         // Equals sign at decimal 61
+      -9,-9,-9,                                   // Decimal 62 - 64
+      0,1,2,3,4,5,6,7,8,9,10,11,12,13,            // Letters 'A' through 'N'
+      14,15,16,17,18,19,20,21,22,23,24,25,        // Letters 'O' through 'Z'
+      -9,-9,-9,-9,                                // Decimal 91 - 94
+      63,                                         // Underscore at decimal 95
+      -9,                                         // Decimal 96
+      26,27,28,29,30,31,32,33,34,35,36,37,38,     // Letters 'a' through 'm'
+      39,40,41,42,43,44,45,46,47,48,49,50,51,     // Letters 'n' through 'z'
+      -9,-9,-9,-9                                 // Decimal 123 - 126
+      /*,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,     // Decimal 127 - 139
+      -9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,     // Decimal 140 - 152
+      -9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,     // Decimal 153 - 165
+      -9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,     // Decimal 166 - 178
+      -9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,     // Decimal 179 - 191
+      -9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,     // Decimal 192 - 204
+      -9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,     // Decimal 205 - 217
+      -9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,     // Decimal 218 - 230
+      -9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,     // Decimal 231 - 243
+      -9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9         // Decimal 244 - 255 */
+    };
+
+
+
+/* ********  O R D E R E D   B A S E 6 4   A L P H A B E T  ******** */
+
+	/**
+	 * I don't get the point of this technique, but it is described here:
+	 * <a href="http://www.faqs.org/qa/rfcc-1940.html">http://www.faqs.org/qa/rfcc-1940.html</a>.
+	 */
+    private final static byte[] _ORDERED_ALPHABET =
+    {
+      (byte)'-',
+      (byte)'0', (byte)'1', (byte)'2', (byte)'3', (byte)'4',
+      (byte)'5', (byte)'6', (byte)'7', (byte)'8', (byte)'9',
+      (byte)'A', (byte)'B', (byte)'C', (byte)'D', (byte)'E', (byte)'F', (byte)'G',
+      (byte)'H', (byte)'I', (byte)'J', (byte)'K', (byte)'L', (byte)'M', (byte)'N',
+      (byte)'O', (byte)'P', (byte)'Q', (byte)'R', (byte)'S', (byte)'T', (byte)'U',
+      (byte)'V', (byte)'W', (byte)'X', (byte)'Y', (byte)'Z',
+      (byte)'_',
+      (byte)'a', (byte)'b', (byte)'c', (byte)'d', (byte)'e', (byte)'f', (byte)'g',
+      (byte)'h', (byte)'i', (byte)'j', (byte)'k', (byte)'l', (byte)'m', (byte)'n',
+      (byte)'o', (byte)'p', (byte)'q', (byte)'r', (byte)'s', (byte)'t', (byte)'u',
+      (byte)'v', (byte)'w', (byte)'x', (byte)'y', (byte)'z'
+    };
+	
+	/**
+	 * Used in decoding the "ordered" dialect of Base64.
+	 */
+    private final static byte[] _ORDERED_DECODABET =
+    {   
+      -9,-9,-9,-9,-9,-9,-9,-9,-9,                 // Decimal  0 -  8
+      -5,-5,                                      // Whitespace: Tab and Linefeed
+      -9,-9,                                      // Decimal 11 - 12
+      -5,                                         // Whitespace: Carriage Return
+      -9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,     // Decimal 14 - 26
+      -9,-9,-9,-9,-9,                             // Decimal 27 - 31
+      -5,                                         // Whitespace: Space
+      -9,-9,-9,-9,-9,-9,-9,-9,-9,-9,              // Decimal 33 - 42
+      -9,                                         // Plus sign at decimal 43
+      -9,                                         // Decimal 44
+      0,                                          // Minus sign at decimal 45
+      -9,                                         // Decimal 46
+      -9,                                         // Slash at decimal 47
+      1,2,3,4,5,6,7,8,9,10,                       // Numbers zero through nine
+      -9,-9,-9,                                   // Decimal 58 - 60
+      -1,                                         // Equals sign at decimal 61
+      -9,-9,-9,                                   // Decimal 62 - 64
+      11,12,13,14,15,16,17,18,19,20,21,22,23,     // Letters 'A' through 'M'
+      24,25,26,27,28,29,30,31,32,33,34,35,36,     // Letters 'N' through 'Z'
+      -9,-9,-9,-9,                                // Decimal 91 - 94
+      37,                                         // Underscore at decimal 95
+      -9,                                         // Decimal 96
+      38,39,40,41,42,43,44,45,46,47,48,49,50,     // Letters 'a' through 'm'
+      51,52,53,54,55,56,57,58,59,60,61,62,63,     // Letters 'n' through 'z'
+      -9,-9,-9,-9                                 // Decimal 123 - 126
+      /*,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,     // Decimal 127 - 139
+        -9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,     // Decimal 140 - 152
+        -9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,     // Decimal 153 - 165
+        -9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,     // Decimal 166 - 178
+        -9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,     // Decimal 179 - 191
+        -9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,     // Decimal 192 - 204
+        -9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,     // Decimal 205 - 217
+        -9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,     // Decimal 218 - 230
+        -9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,     // Decimal 231 - 243
+        -9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9         // Decimal 244 - 255 */
+    };
+
+	
+/* ********  D E T E R M I N E   W H I C H   A L H A B E T  ******** */
+
+
+	/**
+	 * Returns one of the _SOMETHING_ALPHABET byte arrays depending on
+	 * the options specified.
+	 * It's possible, though silly, to specify ORDERED and URLSAFE
+	 * in which case one of them will be picked, though there is
+	 * no guarantee as to which one will be picked.
+	 */
+	private final static byte[] getAlphabet( int options )
+	{
+		if( (options & URL_SAFE) == URL_SAFE ) return _URL_SAFE_ALPHABET;
+		else if( (options & ORDERED) == ORDERED ) return _ORDERED_ALPHABET;
+		else return _STANDARD_ALPHABET;
+		
+	}	// end getAlphabet
+	
+	
+	/**
+	 * Returns one of the _SOMETHING_DECODABET byte arrays depending on
+	 * the options specified.
+	 * It's possible, though silly, to specify ORDERED and URL_SAFE
+	 * in which case one of them will be picked, though there is
+	 * no guarantee as to which one will be picked.
+	 */
+	private final static byte[] getDecodabet( int options )
+	{
+		if( (options & URL_SAFE) == URL_SAFE ) return _URL_SAFE_DECODABET;
+		else if( (options & ORDERED) == ORDERED ) return _ORDERED_DECODABET;
+		else return _STANDARD_DECODABET;
+		
+	}	// end getAlphabet
+        
+
+    
+    /** Defeats instantiation. */
+    private Base64(){}
+    
+
+    /**
+     * Encodes or decodes two files from the command line;
+     * <strong>feel free to delete this method (in fact you probably should)
+     * if you're embedding this code into a larger program.</strong>
+     */
+    public final static void main( String[] args )
+    {
+        if( args.length < 3 ){
+            usage("Not enough arguments.");
+        }   // end if: args.length < 3
+        else {
+            String flag = args[0];
+            String infile = args[1];
+            String outfile = args[2];
+            if( flag.equals( "-e" ) ){
+                Base64.encodeFileToFile( infile, outfile );
+            }   // end if: encode
+            else if( flag.equals( "-d" ) ) {
+                Base64.decodeFileToFile( infile, outfile );
+            }   // end else if: decode    
+            else {
+                usage( "Unknown flag: " + flag );
+            }   // end else    
+        }   // end else
+    }   // end main
+
+    /**
+     * Prints command line usage.
+     *
+     * @param msg A message to include with usage info.
+     */
+    private final static void usage( String msg )
+    {
+        System.err.println( msg );
+        System.err.println( "Usage: java Base64 -e|-d inputfile outputfile" );
+    }   // end usage
+    
+    
+/* ********  E N C O D I N G   M E T H O D S  ******** */    
+    
+    
+    /**
+     * Encodes up to the first three bytes of array <var>threeBytes</var>
+     * and returns a four-byte array in Base64 notation.
+     * The actual number of significant bytes in your array is
+     * given by <var>numSigBytes</var>.
+     * The array <var>threeBytes</var> needs only be as big as
+     * <var>numSigBytes</var>.
+     * Code can reuse a byte array by passing a four-byte array as <var>b4</var>.
+     *
+     * @param b4 A reusable byte array to reduce array instantiation
+     * @param threeBytes the array to convert
+     * @param numSigBytes the number of significant bytes in your array
+     * @return four byte array in Base64 notation.
+     * @since 1.5.1
+     */
+    private static byte[] encode3to4( byte[] b4, byte[] threeBytes, int numSigBytes, int options )
+    {
+        encode3to4( threeBytes, 0, numSigBytes, b4, 0, options );
+        return b4;
+    }   // end encode3to4
+
+    
+    /**
+     * <p>Encodes up to three bytes of the array <var>source</var>
+     * and writes the resulting four Base64 bytes to <var>destination</var>.
+     * The source and destination arrays can be manipulated
+     * anywhere along their length by specifying 
+     * <var>srcOffset</var> and <var>destOffset</var>.
+     * This method does not check to make sure your arrays
+     * are large enough to accomodate <var>srcOffset</var> + 3 for
+     * the <var>source</var> array or <var>destOffset</var> + 4 for
+     * the <var>destination</var> array.
+     * The actual number of significant bytes in your array is
+     * given by <var>numSigBytes</var>.</p>
+	 * <p>This is the lowest level of the encoding methods with
+	 * all possible parameters.</p>
+     *
+     * @param source the array to convert
+     * @param srcOffset the index where conversion begins
+     * @param numSigBytes the number of significant bytes in your array
+     * @param destination the array to hold the conversion
+     * @param destOffset the index where output will be put
+     * @return the <var>destination</var> array
+     * @since 1.3
+     */
+    private static byte[] encode3to4( 
+     byte[] source, int srcOffset, int numSigBytes,
+     byte[] destination, int destOffset, int options )
+    {
+		byte[] ALPHABET = getAlphabet( options ); 
+	
+        //           1         2         3  
+        // 01234567890123456789012345678901 Bit position
+        // --------000000001111111122222222 Array position from threeBytes
+        // --------|    ||    ||    ||    | Six bit groups to index ALPHABET
+        //          >>18  >>12  >> 6  >> 0  Right shift necessary
+        //                0x3f  0x3f  0x3f  Additional AND
+        
+        // Create buffer with zero-padding if there are only one or two
+        // significant bytes passed in the array.
+        // We have to shift left 24 in order to flush out the 1's that appear
+        // when Java treats a value as negative that is cast from a byte to an int.
+        int inBuff =   ( numSigBytes > 0 ? ((source[ srcOffset     ] << 24) >>>  8) : 0 )
+                     | ( numSigBytes > 1 ? ((source[ srcOffset + 1 ] << 24) >>> 16) : 0 )
+                     | ( numSigBytes > 2 ? ((source[ srcOffset + 2 ] << 24) >>> 24) : 0 );
+
+        switch( numSigBytes )
+        {
+            case 3:
+                destination[ destOffset     ] = ALPHABET[ (inBuff >>> 18)        ];
+                destination[ destOffset + 1 ] = ALPHABET[ (inBuff >>> 12) & 0x3f ];
+                destination[ destOffset + 2 ] = ALPHABET[ (inBuff >>>  6) & 0x3f ];
+                destination[ destOffset + 3 ] = ALPHABET[ (inBuff       ) & 0x3f ];
+                return destination;
+                
+            case 2:
+                destination[ destOffset     ] = ALPHABET[ (inBuff >>> 18)        ];
+                destination[ destOffset + 1 ] = ALPHABET[ (inBuff >>> 12) & 0x3f ];
+                destination[ destOffset + 2 ] = ALPHABET[ (inBuff >>>  6) & 0x3f ];
+                destination[ destOffset + 3 ] = EQUALS_SIGN;
+                return destination;
+                
+            case 1:
+                destination[ destOffset     ] = ALPHABET[ (inBuff >>> 18)        ];
+                destination[ destOffset + 1 ] = ALPHABET[ (inBuff >>> 12) & 0x3f ];
+                destination[ destOffset + 2 ] = EQUALS_SIGN;
+                destination[ destOffset + 3 ] = EQUALS_SIGN;
+                return destination;
+                
+            default:
+                return destination;
+        }   // end switch
+    }   // end encode3to4
+    
+    
+    
+    /**
+     * Serializes an object and returns the Base64-encoded
+     * version of that serialized object. If the object
+     * cannot be serialized or there is another error,
+     * the method will return <tt>null</tt>.
+     * The object is not GZip-compressed before being encoded.
+     *
+     * @param serializableObject The object to encode
+     * @return The Base64-encoded object
+     * @since 1.4
+     */
+    public static String encodeObject( java.io.Serializable serializableObject )
+    {
+        return encodeObject( serializableObject, NO_OPTIONS );
+    }   // end encodeObject
+    
+
+
+    /**
+     * Serializes an object and returns the Base64-encoded
+     * version of that serialized object. If the object
+     * cannot be serialized or there is another error,
+     * the method will return <tt>null</tt>.
+     * <p>
+     * Valid options:<pre>
+     *   GZIP: gzip-compresses object before encoding it.
+     *   DONT_BREAK_LINES: don't break lines at 76 characters
+     *     <i>Note: Technically, this makes your encoding non-compliant.</i>
+     * </pre>
+     * <p>
+     * Example: <code>encodeObject( myObj, Base64.GZIP )</code> or
+     * <p>
+     * Example: <code>encodeObject( myObj, Base64.GZIP | Base64.DONT_BREAK_LINES )</code>
+     *
+     * @param serializableObject The object to encode
+     * @param options Specified options
+     * @return The Base64-encoded object
+     * @see Base64#GZIP
+     * @see Base64#DONT_BREAK_LINES
+     * @since 2.0
+     */
+    public static String encodeObject( java.io.Serializable serializableObject, int options )
+    {
+        // Streams
+        java.io.ByteArrayOutputStream  baos  = null; 
+        java.io.OutputStream           b64os = null; 
+        java.io.ObjectOutputStream     oos   = null; 
+        java.util.zip.GZIPOutputStream gzos  = null;
+        
+        // Isolate options
+        int gzip           = (options & GZIP);
+        int dontBreakLines = (options & DONT_BREAK_LINES);
+        
+        try
+        {
+            // ObjectOutputStream -> (GZIP) -> Base64 -> ByteArrayOutputStream
+            baos  = new java.io.ByteArrayOutputStream();
+            b64os = new Base64.OutputStream( baos, ENCODE | options );
+    
+            // GZip?
+            if( gzip == GZIP )
+            {
+                gzos = new java.util.zip.GZIPOutputStream( b64os );
+                oos  = new java.io.ObjectOutputStream( gzos );
+            }   // end if: gzip
+            else
+                oos   = new java.io.ObjectOutputStream( b64os );
+            
+            oos.writeObject( serializableObject );
+        }   // end try
+        catch( java.io.IOException e )
+        {
+            e.printStackTrace();
+            return null;
+        }   // end catch
+        finally
+        {
+            try{ oos.close();   } catch( Exception e ){}
+            try{ gzos.close();  } catch( Exception e ){}
+            try{ b64os.close(); } catch( Exception e ){}
+            try{ baos.close();  } catch( Exception e ){}
+        }   // end finally
+        
+        // Return value according to relevant encoding.
+        try 
+        {
+            return new String( baos.toByteArray(), PREFERRED_ENCODING );
+        }   // end try
+        catch (java.io.UnsupportedEncodingException uue)
+        {
+            return new String( baos.toByteArray() );
+        }   // end catch
+        
+    }   // end encode
+    
+    
+
+    /**
+     * Encodes a byte array into Base64 notation.
+     * Does not GZip-compress data.
+     *
+     * @param source The data to convert
+     * @since 1.4
+     */
+    public static String encodeBytes( byte[] source )
+    {
+        return encodeBytes( source, 0, source.length, NO_OPTIONS );
+    }   // end encodeBytes
+    
+
+
+    /**
+     * Encodes a byte array into Base64 notation.
+     * <p>
+     * Valid options:<pre>
+     *   GZIP: gzip-compresses object before encoding it.
+     *   DONT_BREAK_LINES: don't break lines at 76 characters
+     *     <i>Note: Technically, this makes your encoding non-compliant.</i>
+     * </pre>
+     * <p>
+     * Example: <code>encodeBytes( myData, Base64.GZIP )</code> or
+     * <p>
+     * Example: <code>encodeBytes( myData, Base64.GZIP | Base64.DONT_BREAK_LINES )</code>
+     *
+     *
+     * @param source The data to convert
+     * @param options Specified options
+     * @see Base64#GZIP
+     * @see Base64#DONT_BREAK_LINES
+     * @since 2.0
+     */
+    public static String encodeBytes( byte[] source, int options )
+    {   
+        return encodeBytes( source, 0, source.length, options );
+    }   // end encodeBytes
+    
+    
+    /**
+     * Encodes a byte array into Base64 notation.
+     * Does not GZip-compress data.
+     *
+     * @param source The data to convert
+     * @param off Offset in array where conversion should begin
+     * @param len Length of data to convert
+     * @since 1.4
+     */
+    public static String encodeBytes( byte[] source, int off, int len )
+    {
+        return encodeBytes( source, off, len, NO_OPTIONS );
+    }   // end encodeBytes
+    
+    
+
+    /**
+     * Encodes a byte array into Base64 notation.
+     * <p>
+     * Valid options:<pre>
+     *   GZIP: gzip-compresses object before encoding it.
+     *   DONT_BREAK_LINES: don't break lines at 76 characters
+     *     <i>Note: Technically, this makes your encoding non-compliant.</i>
+     * </pre>
+     * <p>
+     * Example: <code>encodeBytes( myData, Base64.GZIP )</code> or
+     * <p>
+     * Example: <code>encodeBytes( myData, Base64.GZIP | Base64.DONT_BREAK_LINES )</code>
+     *
+     *
+     * @param source The data to convert
+     * @param off Offset in array where conversion should begin
+     * @param len Length of data to convert
+     * @param options Specified options
+	 * @param options alphabet type is pulled from this (standard, url-safe, ordered)
+     * @see Base64#GZIP
+     * @see Base64#DONT_BREAK_LINES
+     * @since 2.0
+     */
+    public static String encodeBytes( byte[] source, int off, int len, int options )
+    {
+        // Isolate options
+        int dontBreakLines = ( options & DONT_BREAK_LINES );
+        int gzip           = ( options & GZIP   );
+        
+        // Compress?
+        if( gzip == GZIP )
+        {
+            java.io.ByteArrayOutputStream  baos  = null;
+            java.util.zip.GZIPOutputStream gzos  = null;
+            Base64.OutputStream            b64os = null;
+            
+    
+            try
+            {
+                // GZip -> Base64 -> ByteArray
+                baos = new java.io.ByteArrayOutputStream();
+                b64os = new Base64.OutputStream( baos, ENCODE | options );
+                gzos  = new java.util.zip.GZIPOutputStream( b64os ); 
+            
+                gzos.write( source, off, len );
+                gzos.close();
+            }   // end try
+            catch( java.io.IOException e )
+            {
+                e.printStackTrace();
+                return null;
+            }   // end catch
+            finally
+            {
+                try{ gzos.close();  } catch( Exception e ){}
+                try{ b64os.close(); } catch( Exception e ){}
+                try{ baos.close();  } catch( Exception e ){}
+            }   // end finally
+
+            // Return value according to relevant encoding.
+            try
+            {
+                return new String( baos.toByteArray(), PREFERRED_ENCODING );
+            }   // end try
+            catch (java.io.UnsupportedEncodingException uue)
+            {
+                return new String( baos.toByteArray() );
+            }   // end catch
+        }   // end if: compress
+        
+        // Else, don't compress. Better not to use streams at all then.
+        else
+        {
+            // Convert option to boolean in way that code likes it.
+            boolean breakLines = dontBreakLines == 0;
+            
+            int    len43   = len * 4 / 3;
+            byte[] outBuff = new byte[   ( len43 )                      // Main 4:3
+                                       + ( (len % 3) > 0 ? 4 : 0 )      // Account for padding
+                                       + (breakLines ? ( len43 / MAX_LINE_LENGTH ) : 0) ]; // New lines      
+            int d = 0;
+            int e = 0;
+            int len2 = len - 2;
+            int lineLength = 0;
+            for( ; d < len2; d+=3, e+=4 )
+            {
+                encode3to4( source, d+off, 3, outBuff, e, options );
+
+                lineLength += 4;
+                if( breakLines && lineLength == MAX_LINE_LENGTH )
+                {   
+                    outBuff[e+4] = NEW_LINE;
+                    e++;
+                    lineLength = 0;
+                }   // end if: end of line
+            }   // en dfor: each piece of array
+
+            if( d < len )
+            {
+                encode3to4( source, d+off, len - d, outBuff, e, options );
+                e += 4;
+            }   // end if: some padding needed
+
+            
+            // Return value according to relevant encoding.
+            try
+            {
+                return new String( outBuff, 0, e, PREFERRED_ENCODING );
+            }   // end try
+            catch (java.io.UnsupportedEncodingException uue)
+            {
+                return new String( outBuff, 0, e );
+            }   // end catch
+            
+        }   // end else: don't compress
+        
+    }   // end encodeBytes
+    
+
+    
+    
+    
+/* ********  D E C O D I N G   M E T H O D S  ******** */
+    
+    
+    /**
+     * Decodes four bytes from array <var>source</var>
+     * and writes the resulting bytes (up to three of them)
+     * to <var>destination</var>.
+     * The source and destination arrays can be manipulated
+     * anywhere along their length by specifying 
+     * <var>srcOffset</var> and <var>destOffset</var>.
+     * This method does not check to make sure your arrays
+     * are large enough to accomodate <var>srcOffset</var> + 4 for
+     * the <var>source</var> array or <var>destOffset</var> + 3 for
+     * the <var>destination</var> array.
+     * This method returns the actual number of bytes that 
+     * were converted from the Base64 encoding.
+	 * <p>This is the lowest level of the decoding methods with
+	 * all possible parameters.</p>
+     * 
+     *
+     * @param source the array to convert
+     * @param srcOffset the index where conversion begins
+     * @param destination the array to hold the conversion
+     * @param destOffset the index where output will be put
+	 * @param options alphabet type is pulled from this (standard, url-safe, ordered)
+     * @return the number of decoded bytes converted
+     * @since 1.3
+     */
+    private static int decode4to3( byte[] source, int srcOffset, byte[] destination, int destOffset, int options )
+    {
+		byte[] DECODABET = getDecodabet( options ); 
+	
+        // Example: Dk==
+        if( source[ srcOffset + 2] == EQUALS_SIGN )
+        {
+            // Two ways to do the same thing. Don't know which way I like best.
+            //int outBuff =   ( ( DECODABET[ source[ srcOffset    ] ] << 24 ) >>>  6 )
+            //              | ( ( DECODABET[ source[ srcOffset + 1] ] << 24 ) >>> 12 );
+            int outBuff =   ( ( DECODABET[ source[ srcOffset    ] ] & 0xFF ) << 18 )
+                          | ( ( DECODABET[ source[ srcOffset + 1] ] & 0xFF ) << 12 );
+            
+            destination[ destOffset ] = (byte)( outBuff >>> 16 );
+            return 1;
+        }
+        
+        // Example: DkL=
+        else if( source[ srcOffset + 3 ] == EQUALS_SIGN )
+        {
+            // Two ways to do the same thing. Don't know which way I like best.
+            //int outBuff =   ( ( DECODABET[ source[ srcOffset     ] ] << 24 ) >>>  6 )
+            //              | ( ( DECODABET[ source[ srcOffset + 1 ] ] << 24 ) >>> 12 )
+            //              | ( ( DECODABET[ source[ srcOffset + 2 ] ] << 24 ) >>> 18 );
+            int outBuff =   ( ( DECODABET[ source[ srcOffset     ] ] & 0xFF ) << 18 )
+                          | ( ( DECODABET[ source[ srcOffset + 1 ] ] & 0xFF ) << 12 )
+                          | ( ( DECODABET[ source[ srcOffset + 2 ] ] & 0xFF ) <<  6 );
+            
+            destination[ destOffset     ] = (byte)( outBuff >>> 16 );
+            destination[ destOffset + 1 ] = (byte)( outBuff >>>  8 );
+            return 2;
+        }
+        
+        // Example: DkLE
+        else
+        {
+            try{
+            // Two ways to do the same thing. Don't know which way I like best.
+            //int outBuff =   ( ( DECODABET[ source[ srcOffset     ] ] << 24 ) >>>  6 )
+            //              | ( ( DECODABET[ source[ srcOffset + 1 ] ] << 24 ) >>> 12 )
+            //              | ( ( DECODABET[ source[ srcOffset + 2 ] ] << 24 ) >>> 18 )
+            //              | ( ( DECODABET[ source[ srcOffset + 3 ] ] << 24 ) >>> 24 );
+            int outBuff =   ( ( DECODABET[ source[ srcOffset     ] ] & 0xFF ) << 18 )
+                          | ( ( DECODABET[ source[ srcOffset + 1 ] ] & 0xFF ) << 12 )
+                          | ( ( DECODABET[ source[ srcOffset + 2 ] ] & 0xFF ) <<  6)
+                          | ( ( DECODABET[ source[ srcOffset + 3 ] ] & 0xFF )      );
+
+            
+            destination[ destOffset     ] = (byte)( outBuff >> 16 );
+            destination[ destOffset + 1 ] = (byte)( outBuff >>  8 );
+            destination[ destOffset + 2 ] = (byte)( outBuff       );
+
+            return 3;
+            }catch( Exception e){
+                System.out.println(""+source[srcOffset]+ ": " + ( DECODABET[ source[ srcOffset     ] ]  ) );
+                System.out.println(""+source[srcOffset+1]+  ": " + ( DECODABET[ source[ srcOffset + 1 ] ]  ) );
+                System.out.println(""+source[srcOffset+2]+  ": " + ( DECODABET[ source[ srcOffset + 2 ] ]  ) );
+                System.out.println(""+source[srcOffset+3]+  ": " + ( DECODABET[ source[ srcOffset + 3 ] ]  ) );
+                return -1;
+            }   // end catch
+        }
+    }   // end decodeToBytes
+    
+    
+    
+    
+    /**
+     * Very low-level access to decoding ASCII characters in
+     * the form of a byte array. Does not support automatically
+     * gunzipping or any other "fancy" features.
+     *
+     * @param source The Base64 encoded data
+     * @param off    The offset of where to begin decoding
+     * @param len    The length of characters to decode
+     * @return decoded data
+     * @since 1.3
+     */
+    public static byte[] decode( byte[] source, int off, int len, int options )
+    {
+		byte[] DECODABET = getDecodabet( options );
+	
+        int    len34   = len * 3 / 4;
+        byte[] outBuff = new byte[ len34 ]; // Upper limit on size of output
+        int    outBuffPosn = 0;
+        
+        byte[] b4        = new byte[4];
+        int    b4Posn    = 0;
+        int    i         = 0;
+        byte   sbiCrop   = 0;
+        byte   sbiDecode = 0;
+        for( i = off; i < off+len; i++ )
+        {
+            sbiCrop = (byte)(source[i] & 0x7f); // Only the low seven bits
+            sbiDecode = DECODABET[ sbiCrop ];
+            
+            if( sbiDecode >= WHITE_SPACE_ENC ) // White space, Equals sign or better
+            {
+                if( sbiDecode >= EQUALS_SIGN_ENC )
+                {
+                    b4[ b4Posn++ ] = sbiCrop;
+                    if( b4Posn > 3 )
+                    {
+                        outBuffPosn += decode4to3( b4, 0, outBuff, outBuffPosn, options );
+                        b4Posn = 0;
+                        
+                        // If that was the equals sign, break out of 'for' loop
+                        if( sbiCrop == EQUALS_SIGN )
+                            break;
+                    }   // end if: quartet built
+                    
+                }   // end if: equals sign or better
+                
+            }   // end if: white space, equals sign or better
+            else
+            {
+                System.err.println( "Bad Base64 input character at " + i + ": " + source[i] + "(decimal)" );
+                return null;
+            }   // end else: 
+        }   // each input character
+                                   
+        byte[] out = new byte[ outBuffPosn ];
+        System.arraycopy( outBuff, 0, out, 0, outBuffPosn ); 
+        return out;
+    }   // end decode
+    
+    
+	
+	
+    /**
+     * Decodes data from Base64 notation, automatically
+     * detecting gzip-compressed data and decompressing it.
+     *
+     * @param s the string to decode
+     * @return the decoded data
+     * @since 1.4
+     */
+    public static byte[] decode( String s )
+	{
+		return decode( s, NO_OPTIONS );
+	}
+    
+    
+    /**
+     * Decodes data from Base64 notation, automatically
+     * detecting gzip-compressed data and decompressing it.
+     *
+     * @param s the string to decode
+	 * @param options encode options such as URL_SAFE
+     * @return the decoded data
+     * @since 1.4
+     */
+    public static byte[] decode( String s, int options )
+    {   
+        byte[] bytes;
+        try
+        {
+            bytes = s.getBytes( PREFERRED_ENCODING );
+        }   // end try
+        catch( java.io.UnsupportedEncodingException uee )
+        {
+            bytes = s.getBytes();
+        }   // end catch
+		//</change>
+        
+        // Decode
+        bytes = decode( bytes, 0, bytes.length, options );
+        
+        
+        // Check to see if it's gzip-compressed
+        // GZIP Magic Two-Byte Number: 0x8b1f (35615)
+        if( bytes != null && bytes.length >= 4 )
+        {
+            
+            int head = ((int)bytes[0] & 0xff) | ((bytes[1] << 8) & 0xff00);       
+            if( java.util.zip.GZIPInputStream.GZIP_MAGIC == head ) 
+            {
+                java.io.ByteArrayInputStream  bais = null;
+                java.util.zip.GZIPInputStream gzis = null;
+                java.io.ByteArrayOutputStream baos = null;
+                byte[] buffer = new byte[2048];
+                int    length = 0;
+
+                try
+                {
+                    baos = new java.io.ByteArrayOutputStream();
+                    bais = new java.io.ByteArrayInputStream( bytes );
+                    gzis = new java.util.zip.GZIPInputStream( bais );
+
+                    while( ( length = gzis.read( buffer ) ) >= 0 )
+                    {
+                        baos.write(buffer,0,length);
+                    }   // end while: reading input
+
+                    // No error? Get new bytes.
+                    bytes = baos.toByteArray();
+
+                }   // end try
+                catch( java.io.IOException e )
+                {
+                    // Just return originally-decoded bytes
+                }   // end catch
+                finally
+                {
+                    try{ baos.close(); } catch( Exception e ){}
+                    try{ gzis.close(); } catch( Exception e ){}
+                    try{ bais.close(); } catch( Exception e ){}
+                }   // end finally
+
+            }   // end if: gzipped
+        }   // end if: bytes.length >= 2
+        
+        return bytes;
+    }   // end decode
+
+
+    
+
+    /**
+     * Attempts to decode Base64 data and deserialize a Java
+     * Object within. Returns <tt>null</tt> if there was an error.
+     *
+     * @param encodedObject The Base64 data to decode
+     * @return The decoded and deserialized object
+     * @since 1.5
+     */
+    public static Object decodeToObject( String encodedObject )
+    {
+        // Decode and gunzip if necessary
+        byte[] objBytes = decode( encodedObject );
+        
+        java.io.ByteArrayInputStream  bais = null;
+        java.io.ObjectInputStream     ois  = null;
+        Object obj = null;
+        
+        try
+        {
+            bais = new java.io.ByteArrayInputStream( objBytes );
+            ois  = new java.io.ObjectInputStream( bais );
+        
+            obj = ois.readObject();
+        }   // end try
+        catch( java.io.IOException e )
+        {
+            e.printStackTrace();
+            obj = null;
+        }   // end catch
+        catch( java.lang.ClassNotFoundException e )
+        {
+            e.printStackTrace();
+            obj = null;
+        }   // end catch
+        finally
+        {
+            try{ bais.close(); } catch( Exception e ){}
+            try{ ois.close();  } catch( Exception e ){}
+        }   // end finally
+        
+        return obj;
+    }   // end decodeObject
+    
+    
+    
+    /**
+     * Convenience method for encoding data to a file.
+     *
+     * @param dataToEncode byte array of data to encode in base64 form
+     * @param filename Filename for saving encoded data
+     * @return <tt>true</tt> if successful, <tt>false</tt> otherwise
+     *
+     * @since 2.1
+     */
+    public static boolean encodeToFile( byte[] dataToEncode, String filename )
+    {
+        boolean success = false;
+        Base64.OutputStream bos = null;
+        try
+        {
+            bos = new Base64.OutputStream( 
+                      new java.io.FileOutputStream( filename ), Base64.ENCODE );
+            bos.write( dataToEncode );
+            success = true;
+        }   // end try
+        catch( java.io.IOException e )
+        {
+            
+            success = false;
+        }   // end catch: IOException
+        finally
+        {
+            try{ bos.close(); } catch( Exception e ){}
+        }   // end finally
+        
+        return success;
+    }   // end encodeToFile
+    
+    
+    /**
+     * Convenience method for decoding data to a file.
+     *
+     * @param dataToDecode Base64-encoded data as a string
+     * @param filename Filename for saving decoded data
+     * @return <tt>true</tt> if successful, <tt>false</tt> otherwise
+     *
+     * @since 2.1
+     */
+    public static boolean decodeToFile( String dataToDecode, String filename )
+    {
+        boolean success = false;
+        Base64.OutputStream bos = null;
+        try
+        {
+                bos = new Base64.OutputStream( 
+                          new java.io.FileOutputStream( filename ), Base64.DECODE );
+                bos.write( dataToDecode.getBytes( PREFERRED_ENCODING ) );
+                success = true;
+        }   // end try
+        catch( java.io.IOException e )
+        {
+            success = false;
+        }   // end catch: IOException
+        finally
+        {
+                try{ bos.close(); } catch( Exception e ){}
+        }   // end finally
+        
+        return success;
+    }   // end decodeToFile
+    
+    
+    
+    
+    /**
+     * Convenience method for reading a base64-encoded
+     * file and decoding it.
+     *
+     * @param filename Filename for reading encoded data
+     * @return decoded byte array or null if unsuccessful
+     *
+     * @since 2.1
+     */
+    public static byte[] decodeFromFile( String filename )
+    {
+        byte[] decodedData = null;
+        Base64.InputStream bis = null;
+        try
+        {
+            // Set up some useful variables
+            java.io.File file = new java.io.File( filename );
+            byte[] buffer = null;
+            int length   = 0;
+            int numBytes = 0;
+            
+            // Check for size of file
+            if( file.length() > Integer.MAX_VALUE )
+            {
+                System.err.println( "File is too big for this convenience method (" + file.length() + " bytes)." );
+                return null;
+            }   // end if: file too big for int index
+            buffer = new byte[ (int)file.length() ];
+            
+            // Open a stream
+            bis = new Base64.InputStream( 
+                      new java.io.BufferedInputStream( 
+                      new java.io.FileInputStream( file ) ), Base64.DECODE );
+            
+            // Read until done
+            while( ( numBytes = bis.read( buffer, length, 4096 ) ) >= 0 )
+                length += numBytes;
+            
+            // Save in a variable to return
+            decodedData = new byte[ length ];
+            System.arraycopy( buffer, 0, decodedData, 0, length );
+            
+        }   // end try
+        catch( java.io.IOException e )
+        {
+            System.err.println( "Error decoding from file " + filename );
+        }   // end catch: IOException
+        finally
+        {
+            try{ bis.close(); } catch( Exception e) {}
+        }   // end finally
+        
+        return decodedData;
+    }   // end decodeFromFile
+    
+    
+    
+    /**
+     * Convenience method for reading a binary file
+     * and base64-encoding it.
+     *
+     * @param filename Filename for reading binary data
+     * @return base64-encoded string or null if unsuccessful
+     *
+     * @since 2.1
+     */
+    public static String encodeFromFile( String filename )
+    {
+        String encodedData = null;
+        Base64.InputStream bis = null;
+        try
+        {
+            // Set up some useful variables
+            java.io.File file = new java.io.File( filename );
+            byte[] buffer = new byte[ Math.max((int)(file.length() * 1.4),40) ]; // Need max() for math on small files (v2.2.1)
+            int length   = 0;
+            int numBytes = 0;
+            
+            // Open a stream
+            bis = new Base64.InputStream( 
+                      new java.io.BufferedInputStream( 
+                      new java.io.FileInputStream( file ) ), Base64.ENCODE );
+            
+            // Read until done
+            while( ( numBytes = bis.read( buffer, length, 4096 ) ) >= 0 )
+                length += numBytes;
+            
+            // Save in a variable to return
+            encodedData = new String( buffer, 0, length, Base64.PREFERRED_ENCODING );
+                
+        }   // end try
+        catch( java.io.IOException e )
+        {
+            System.err.println( "Error encoding from file " + filename );
+        }   // end catch: IOException
+        finally
+        {
+            try{ bis.close(); } catch( Exception e) {}
+        }   // end finally
+        
+        return encodedData;
+        }   // end encodeFromFile
+    
+    
+    
+    
+    /**
+     * Reads <tt>infile</tt> and encodes it to <tt>outfile</tt>.
+     *
+     * @param infile Input file
+     * @param outfile Output file
+     * @return true if the operation is successful
+     * @since 2.2
+     */
+    public static boolean encodeFileToFile( String infile, String outfile )
+    {
+        boolean success = false;
+        java.io.InputStream in = null;
+        java.io.OutputStream out = null;
+        try{
+            in  = new Base64.InputStream( 
+                      new java.io.BufferedInputStream( 
+                      new java.io.FileInputStream( infile ) ), 
+                      Base64.ENCODE );
+            out = new java.io.BufferedOutputStream( new java.io.FileOutputStream( outfile ) );
+            byte[] buffer = new byte[65536]; // 64K
+            int read = -1;
+            while( ( read = in.read(buffer) ) >= 0 ){
+                out.write( buffer,0,read );
+            }   // end while: through file
+            success = true;
+        } catch( java.io.IOException exc ){
+            exc.printStackTrace();
+        } finally{
+            try{ in.close();  } catch( Exception exc ){}
+            try{ out.close(); } catch( Exception exc ){}
+        }   // end finally
+        
+        return success;
+    }   // end encodeFileToFile
+    
+    
+    
+    /**
+     * Reads <tt>infile</tt> and decodes it to <tt>outfile</tt>.
+     *
+     * @param infile Input file
+     * @param outfile Output file
+     * @return true if the operation is successful
+     * @since 2.2
+     */
+    public static boolean decodeFileToFile( String infile, String outfile )
+    {
+        boolean success = false;
+        java.io.InputStream in = null;
+        java.io.OutputStream out = null;
+        try{
+            in  = new Base64.InputStream( 
+                      new java.io.BufferedInputStream( 
+                      new java.io.FileInputStream( infile ) ), 
+                      Base64.DECODE );
+            out = new java.io.BufferedOutputStream( new java.io.FileOutputStream( outfile ) );
+            byte[] buffer = new byte[65536]; // 64K
+            int read = -1;
+            while( ( read = in.read(buffer) ) >= 0 ){
+                out.write( buffer,0,read );
+            }   // end while: through file
+            success = true;
+        } catch( java.io.IOException exc ){
+            exc.printStackTrace();
+        } finally{
+            try{ in.close();  } catch( Exception exc ){}
+            try{ out.close(); } catch( Exception exc ){}
+        }   // end finally
+        
+        return success;
+    }   // end decodeFileToFile
+    
+    
+    /* ********  I N N E R   C L A S S   I N P U T S T R E A M  ******** */
+    
+    
+    
+    /**
+     * A {@link Base64.InputStream} will read data from another
+     * <tt>java.io.InputStream</tt>, given in the constructor,
+     * and encode/decode to/from Base64 notation on the fly.
+     *
+     * @see Base64
+     * @since 1.3
+     */
+    public static class InputStream extends java.io.FilterInputStream
+    {
+        private boolean encode;         // Encoding or decoding
+        private int     position;       // Current position in the buffer
+        private byte[]  buffer;         // Small buffer holding converted data
+        private int     bufferLength;   // Length of buffer (3 or 4)
+        private int     numSigBytes;    // Number of meaningful bytes in the buffer
+        private int     lineLength;
+        private boolean breakLines;     // Break lines at less than 80 characters
+		private int     options;        // Record options used to create the stream.
+		private byte[]  alphabet;	    // Local copies to avoid extra method calls
+		private byte[]  decodabet;		// Local copies to avoid extra method calls
+        
+        
+        /**
+         * Constructs a {@link Base64.InputStream} in DECODE mode.
+         *
+         * @param in the <tt>java.io.InputStream</tt> from which to read data.
+         * @since 1.3
+         */
+        public InputStream( java.io.InputStream in )
+        {   
+            this( in, DECODE );
+        }   // end constructor
+        
+        
+        /**
+         * Constructs a {@link Base64.InputStream} in
+         * either ENCODE or DECODE mode.
+         * <p>
+         * Valid options:<pre>
+         *   ENCODE or DECODE: Encode or Decode as data is read.
+         *   DONT_BREAK_LINES: don't break lines at 76 characters
+         *     (only meaningful when encoding)
+         *     <i>Note: Technically, this makes your encoding non-compliant.</i>
+         * </pre>
+         * <p>
+         * Example: <code>new Base64.InputStream( in, Base64.DECODE )</code>
+         *
+         *
+         * @param in the <tt>java.io.InputStream</tt> from which to read data.
+         * @param options Specified options
+         * @see Base64#ENCODE
+         * @see Base64#DECODE
+         * @see Base64#DONT_BREAK_LINES
+         * @since 2.0
+         */
+        public InputStream( java.io.InputStream in, int options )
+        {   
+            super( in );
+            this.breakLines   = (options & DONT_BREAK_LINES) != DONT_BREAK_LINES;
+            this.encode       = (options & ENCODE) == ENCODE;
+            this.bufferLength = encode ? 4 : 3;
+            this.buffer       = new byte[ bufferLength ];
+            this.position     = -1;
+            this.lineLength   = 0;
+			this.options      = options; // Record for later, mostly to determine which alphabet to use
+			this.alphabet     = getAlphabet(options);
+			this.decodabet    = getDecodabet(options);
+        }   // end constructor
+        
+        /**
+         * Reads enough of the input stream to convert
+         * to/from Base64 and returns the next byte.
+         *
+         * @return next byte
+         * @since 1.3
+         */
+        public int read() throws java.io.IOException 
+        { 
+            // Do we need to get data?
+            if( position < 0 )
+            {
+                if( encode )
+                {
+                    byte[] b3 = new byte[3];
+                    int numBinaryBytes = 0;
+                    for( int i = 0; i < 3; i++ )
+                    {
+                        try
+                        { 
+                            int b = in.read();
+                            
+                            // If end of stream, b is -1.
+                            if( b >= 0 )
+                            {
+                                b3[i] = (byte)b;
+                                numBinaryBytes++;
+                            }   // end if: not end of stream
+                            
+                        }   // end try: read
+                        catch( java.io.IOException e )
+                        {   
+                            // Only a problem if we got no data at all.
+                            if( i == 0 )
+                                throw e;
+                            
+                        }   // end catch
+                    }   // end for: each needed input byte
+                    
+                    if( numBinaryBytes > 0 )
+                    {
+                        encode3to4( b3, 0, numBinaryBytes, buffer, 0, options );
+                        position = 0;
+                        numSigBytes = 4;
+                    }   // end if: got data
+                    else
+                    {
+                        return -1;
+                    }   // end else
+                }   // end if: encoding
+                
+                // Else decoding
+                else
+                {
+                    byte[] b4 = new byte[4];
+                    int i = 0;
+                    for( i = 0; i < 4; i++ )
+                    {
+                        // Read four "meaningful" bytes:
+                        int b = 0;
+                        do{ b = in.read(); }
+                        while( b >= 0 && decodabet[ b & 0x7f ] <= WHITE_SPACE_ENC );
+                        
+                        if( b < 0 )
+                            break; // Reads a -1 if end of stream
+                        
+                        b4[i] = (byte)b;
+                    }   // end for: each needed input byte
+                    
+                    if( i == 4 )
+                    {
+                        numSigBytes = decode4to3( b4, 0, buffer, 0, options );
+                        position = 0;
+                    }   // end if: got four characters
+                    else if( i == 0 ){
+                        return -1;
+                    }   // end else if: also padded correctly
+                    else
+                    {
+                        // Must have broken out from above.
+                        throw new java.io.IOException( "Improperly padded Base64 input." );
+                    }   // end 
+                    
+                }   // end else: decode
+            }   // end else: get data
+            
+            // Got data?
+            if( position >= 0 )
+            {
+                // End of relevant data?
+                if( /*!encode &&*/ position >= numSigBytes )
+                    return -1;
+                
+                if( encode && breakLines && lineLength >= MAX_LINE_LENGTH )
+                {
+                    lineLength = 0;
+                    return '\n';
+                }   // end if
+                else
+                {
+                    lineLength++;   // This isn't important when decoding
+                                    // but throwing an extra "if" seems
+                                    // just as wasteful.
+                    
+                    int b = buffer[ position++ ];
+
+                    if( position >= bufferLength )
+                        position = -1;
+
+                    return b & 0xFF; // This is how you "cast" a byte that's
+                                     // intended to be unsigned.
+                }   // end else
+            }   // end if: position >= 0
+            
+            // Else error
+            else
+            {   
+                // When JDK1.4 is more accepted, use an assertion here.
+                throw new java.io.IOException( "Error in Base64 code reading stream." );
+            }   // end else
+        }   // end read
+        
+        
+        /**
+         * Calls {@link #read()} repeatedly until the end of stream
+         * is reached or <var>len</var> bytes are read.
+         * Returns number of bytes read into array or -1 if
+         * end of stream is encountered.
+         *
+         * @param dest array to hold values
+         * @param off offset for array
+         * @param len max number of bytes to read into array
+         * @return bytes read into array or -1 if end of stream is encountered.
+         * @since 1.3
+         */
+        public int read( byte[] dest, int off, int len ) throws java.io.IOException
+        {
+            int i;
+            int b;
+            for( i = 0; i < len; i++ )
+            {
+                b = read();
+                
+                //if( b < 0 && i == 0 )
+                //    return -1;
+                
+                if( b >= 0 )
+                    dest[off + i] = (byte)b;
+                else if( i == 0 )
+                    return -1;
+                else
+                    break; // Out of 'for' loop
+            }   // end for: each byte read
+            return i;
+        }   // end read
+        
+    }   // end inner class InputStream
+    
+    
+    
+    
+    
+    
+    /* ********  I N N E R   C L A S S   O U T P U T S T R E A M  ******** */
+    
+    
+    
+    /**
+     * A {@link Base64.OutputStream} will write data to another
+     * <tt>java.io.OutputStream</tt>, given in the constructor,
+     * and encode/decode to/from Base64 notation on the fly.
+     *
+     * @see Base64
+     * @since 1.3
+     */
+    public static class OutputStream extends java.io.FilterOutputStream
+    {
+        private boolean encode;
+        private int     position;
+        private byte[]  buffer;
+        private int     bufferLength;
+        private int     lineLength;
+        private boolean breakLines;
+        private byte[]  b4; // Scratch used in a few places
+        private boolean suspendEncoding;
+		private int options; // Record for later
+		private byte[]  alphabet;	    // Local copies to avoid extra method calls
+		private byte[]  decodabet;		// Local copies to avoid extra method calls
+        
+        /**
+         * Constructs a {@link Base64.OutputStream} in ENCODE mode.
+         *
+         * @param out the <tt>java.io.OutputStream</tt> to which data will be written.
+         * @since 1.3
+         */
+        public OutputStream( java.io.OutputStream out )
+        {   
+            this( out, ENCODE );
+        }   // end constructor
+        
+        
+        /**
+         * Constructs a {@link Base64.OutputStream} in
+         * either ENCODE or DECODE mode.
+         * <p>
+         * Valid options:<pre>
+         *   ENCODE or DECODE: Encode or Decode as data is read.
+         *   DONT_BREAK_LINES: don't break lines at 76 characters
+         *     (only meaningful when encoding)
+         *     <i>Note: Technically, this makes your encoding non-compliant.</i>
+         * </pre>
+         * <p>
+         * Example: <code>new Base64.OutputStream( out, Base64.ENCODE )</code>
+         *
+         * @param out the <tt>java.io.OutputStream</tt> to which data will be written.
+         * @param options Specified options.
+         * @see Base64#ENCODE
+         * @see Base64#DECODE
+         * @see Base64#DONT_BREAK_LINES
+         * @since 1.3
+         */
+        public OutputStream( java.io.OutputStream out, int options )
+        {   
+            super( out );
+            this.breakLines   = (options & DONT_BREAK_LINES) != DONT_BREAK_LINES;
+            this.encode       = (options & ENCODE) == ENCODE;
+            this.bufferLength = encode ? 3 : 4;
+            this.buffer       = new byte[ bufferLength ];
+            this.position     = 0;
+            this.lineLength   = 0;
+            this.suspendEncoding = false;
+            this.b4           = new byte[4];
+			this.options      = options;
+			this.alphabet     = getAlphabet(options);
+			this.decodabet    = getDecodabet(options);
+        }   // end constructor
+        
+        
+        /**
+         * Writes the byte to the output stream after
+         * converting to/from Base64 notation.
+         * When encoding, bytes are buffered three
+         * at a time before the output stream actually
+         * gets a write() call.
+         * When decoding, bytes are buffered four
+         * at a time.
+         *
+         * @param theByte the byte to write
+         * @since 1.3
+         */
+        public void write(int theByte) throws java.io.IOException
+        {
+            // Encoding suspended?
+            if( suspendEncoding )
+            {
+                super.out.write( theByte );
+                return;
+            }   // end if: supsended
+            
+            // Encode?
+            if( encode )
+            {
+                buffer[ position++ ] = (byte)theByte;
+                if( position >= bufferLength )  // Enough to encode.
+                {
+                    out.write( encode3to4( b4, buffer, bufferLength, options ) );
+
+                    lineLength += 4;
+                    if( breakLines && lineLength >= MAX_LINE_LENGTH )
+                    {
+                        out.write( NEW_LINE );
+                        lineLength = 0;
+                    }   // end if: end of line
+
+                    position = 0;
+                }   // end if: enough to output
+            }   // end if: encoding
+
+            // Else, Decoding
+            else
+            {
+                // Meaningful Base64 character?
+                if( decodabet[ theByte & 0x7f ] > WHITE_SPACE_ENC )
+                {
+                    buffer[ position++ ] = (byte)theByte;
+                    if( position >= bufferLength )  // Enough to output.
+                    {
+                        int len = Base64.decode4to3( buffer, 0, b4, 0, options );
+                        out.write( b4, 0, len );
+                        //out.write( Base64.decode4to3( buffer ) );
+                        position = 0;
+                    }   // end if: enough to output
+                }   // end if: meaningful base64 character
+                else if( decodabet[ theByte & 0x7f ] != WHITE_SPACE_ENC )
+                {
+                    throw new java.io.IOException( "Invalid character in Base64 data." );
+                }   // end else: not white space either
+            }   // end else: decoding
+        }   // end write
+        
+        
+        
+        /**
+         * Calls {@link #write(int)} repeatedly until <var>len</var> 
+         * bytes are written.
+         *
+         * @param theBytes array from which to read bytes
+         * @param off offset for array
+         * @param len max number of bytes to read into array
+         * @since 1.3
+         */
+        public void write( byte[] theBytes, int off, int len ) throws java.io.IOException
+        {
+            // Encoding suspended?
+            if( suspendEncoding )
+            {
+                super.out.write( theBytes, off, len );
+                return;
+            }   // end if: supsended
+            
+            for( int i = 0; i < len; i++ )
+            {
+                write( theBytes[ off + i ] );
+            }   // end for: each byte written
+            
+        }   // end write
+        
+        
+        
+        /**
+         * Method added by PHIL. [Thanks, PHIL. -Rob]
+         * This pads the buffer without closing the stream.
+         */
+        public void flushBase64() throws java.io.IOException 
+        {
+            if( position > 0 )
+            {
+                if( encode )
+                {
+                    out.write( encode3to4( b4, buffer, position, options ) );
+                    position = 0;
+                }   // end if: encoding
+                else
+                {
+                    throw new java.io.IOException( "Base64 input not properly padded." );
+                }   // end else: decoding
+            }   // end if: buffer partially full
+
+        }   // end flush
+
+        
+        /** 
+         * Flushes and closes (I think, in the superclass) the stream. 
+         *
+         * @since 1.3
+         */
+        public void close() throws java.io.IOException
+        {
+            // 1. Ensure that pending characters are written
+            flushBase64();
+
+            // 2. Actually close the stream
+            // Base class both flushes and closes.
+            super.close();
+            
+            buffer = null;
+            out    = null;
+        }   // end close
+        
+        
+        
+        /**
+         * Suspends encoding of the stream.
+         * May be helpful if you need to embed a piece of
+         * base640-encoded data in a stream.
+         *
+         * @since 1.5.1
+         */
+        public void suspendEncoding() throws java.io.IOException 
+        {
+            flushBase64();
+            this.suspendEncoding = true;
+        }   // end suspendEncoding
+        
+        
+        /**
+         * Resumes encoding of the stream.
+         * May be helpful if you need to embed a piece of
+         * base640-encoded data in a stream.
+         *
+         * @since 1.5.1
+         */
+        public void resumeEncoding()
+        {
+            this.suspendEncoding = false;
+        }   // end resumeEncoding
+        
+        
+        
+    }   // end inner class OutputStream
+    
+    
+}   // end class Base64