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/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*/
package nokogiri.internals.c14n;
import java.util.Set;
import java.util.SortedSet;
import java.util.TreeSet;
//import nokogiri.internals.org.apache.xml.security.exceptions.XMLSecurityException;
//import nokogiri.internals.org.apache.xml.security.transforms.TransformParam;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
/**
* This Object serves as Content for the ds:Transforms for exclusive
* Canonicalization.
* <BR />
* It implements the {@link Element} interface
* and can be used directly in a DOM tree.
*
* @author Christian Geuer-Pollmann
*/
//public class InclusiveNamespaces extends ElementProxy implements TransformParam {
public class InclusiveNamespaces extends ElementProxy {
/** Field _TAG_EC_INCLUSIVENAMESPACES */
public static final String _TAG_EC_INCLUSIVENAMESPACES =
"InclusiveNamespaces";
/** Field _ATT_EC_PREFIXLIST */
public static final String _ATT_EC_PREFIXLIST = "PrefixList";
/** Field ExclusiveCanonicalizationNamespace */
public static final String ExclusiveCanonicalizationNamespace =
"http://www.w3.org/2001/10/xml-exc-c14n#";
/**
* Constructor XPathContainer
*
* @param doc
* @param prefixList
*/
public InclusiveNamespaces(Document doc, String prefixList) {
this(doc, InclusiveNamespaces.prefixStr2Set(prefixList));
}
/**
* Constructor InclusiveNamespaces
*
* @param doc
* @param prefixes
*/
public InclusiveNamespaces(Document doc, Set<String> prefixes) {
super(doc);
SortedSet<String> prefixList;
if (prefixes instanceof SortedSet<?>) {
prefixList = (SortedSet<String>)prefixes;
} else {
prefixList = new TreeSet<String>(prefixes);
}
StringBuilder sb = new StringBuilder(prefixList.size() * 8);
for (String prefix : prefixList) {
if (prefix.equals("xmlns")) {
sb.append("#default ");
} else {
sb.append(prefix).append(' ');
}
}
int last = sb.length() - 1;
while (last >= 0 && sb.charAt(last) == ' ') sb.setLength(last--); // trim
this.constructionElement.setAttributeNS(null, InclusiveNamespaces._ATT_EC_PREFIXLIST, sb.toString());
}
/**
* Constructor InclusiveNamespaces
*
* @param element
* @param BaseURI
* @throws XMLSecurityException
*/
public InclusiveNamespaces(Element element, String BaseURI)
throws CanonicalizationException {
super(element, BaseURI);
}
/**
* Method getInclusiveNamespaces
*
* @return The Inclusive Namespace string
*/
public String getInclusiveNamespaces() {
return this.constructionElement.getAttributeNS(null, InclusiveNamespaces._ATT_EC_PREFIXLIST);
}
/**
* Decodes the <code>inclusiveNamespaces</code> String and returns all
* selected namespace prefixes as a Set. The <code>#default</code>
* namespace token is represented as an empty namespace prefix
* (<code>"xmlns"</code>).
* <BR/>
* The String <code>inclusiveNamespaces=" xenc ds #default"</code>
* is returned as a Set containing the following Strings:
* <UL>
* <LI><code>xmlns</code></LI>
* <LI><code>xenc</code></LI>
* <LI><code>ds</code></LI>
* </UL>
*
* @param inclusiveNamespaces
* @return A set to string
*/
public static SortedSet<String> prefixStr2Set(String inclusiveNamespaces) {
SortedSet<String> prefixes = new TreeSet<String>();
if ((inclusiveNamespaces == null) || (inclusiveNamespaces.length() == 0)) {
return prefixes;
}
String[] tokens = inclusiveNamespaces.split("\\s");
for (String prefix : tokens) {
if (prefix.equals("#default")) {
prefixes.add("xmlns");
} else {
prefixes.add(prefix);
}
}
return prefixes;
}
/**
* Method getBaseNamespace
*
* @inheritDoc
*/
public String getBaseNamespace() {
return InclusiveNamespaces.ExclusiveCanonicalizationNamespace;
}
/**
* Method getBaseLocalName
*
* @inheritDoc
*/
public String getBaseLocalName() {
return InclusiveNamespaces._TAG_EC_INCLUSIVENAMESPACES;
}
}
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