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/*
* @(#)Schema.java 1.11 06/10/30
*
* Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Sun designates this
* particular file as subject to the "Classpath" exception as provided
* by Sun in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*/
/**
* @version 1.5 03/18/98
* @author Jacek R. Ambroziak
*/
package com.sun.java.help.search;
import java.util.Vector;
import java.util.Hashtable;
import java.util.StringTokenizer;
import java.net.URL;
import java.net.URLConnection;
import java.io.*;
public class Schema
{
private String _dirName;
private URL _hsBase = null;
private boolean _update;
private Vector _lines = new Vector();
public static void main(String[] args)
{
try {
Schema sch = new Schema(null, "/files/resources/lexicon/LIF_ONT", false);
debug(sch.parametersAsString("EDGE"));
debug(sch.parametersAsString("TMAP"));
debug(sch.parameters("EDGE").get("rt").toString());
debug(sch.parameters("EDGE").get("vl").toString());
}
catch (Exception e) {
e.printStackTrace();
}
}
public Schema(URL base, String dirName, boolean update) throws Exception
{
_hsBase = base;
_dirName = dirName;
_update = update;
try {
read();
}
catch (java.io.FileNotFoundException e) {
debug("error creating SCHEMA");
}
for (int i = 0; i < _lines.size(); i++)
debug(_lines.elementAt(i).toString());
}
public void update(String partName, String parameters)
{
for (int i = 0; i < _lines.size(); i++)
if (((String)_lines.elementAt(i)).startsWith(partName))
_lines.removeElementAt(i);
_lines.addElement(partName + " " + parameters);
}
public String parametersAsString(String name)
{
for (int i = 0; i < _lines.size(); i++)
if (((String)_lines.elementAt(i)).startsWith(name))
return ((String)_lines.elementAt(i)).substring(name.length() + 1);
return null;
}
public Hashtable parameters(String name)
{
for (int i = 0; i < _lines.size(); i++)
if (((String)_lines.elementAt(i)).startsWith(name))
{
Hashtable result = new Hashtable();
StringTokenizer tokens =
new StringTokenizer((String)_lines.elementAt(i), " =");
tokens.nextToken(); // skip name
while (tokens.hasMoreTokens())
result.put(tokens.nextToken(), tokens.nextToken());
return result;
}
return null;
}
public URL getURL(String name) throws Exception
{
URL baseURL=null, url, tmapURL=null;
URLConnection connect;
File file;
debug("getURL " + name);
debug("dirName=" + _dirName + " hsBase= " + _hsBase);
if (_hsBase == null) {
file = new File(_dirName);
if (file.exists()) {
// On Win32 we need to convert all "\" to "/"
if (File.separatorChar != '/') {
_dirName = _dirName.replace(File.separatorChar, '/');
}
// Make sure the last character is a file separator
if (_dirName.lastIndexOf('/')
!= _dirName.length() - 1) {
_dirName = _dirName.concat("/");
}
debug ("file:" + _dirName);
// Use a file protocol
baseURL = new URL("file", "", _dirName);
} else {
// Assume that some protocol was specified and try it
baseURL = new URL(_dirName);
}
}
// Read the SCHEMA data
if (_hsBase != null) {
return new URL(_hsBase, _dirName + "/" + name);
} else {
return new URL(baseURL, name);
}
}
public void save()
{
if (_update) {
try {
FileWriter out = new FileWriter(_dirName + "/SCHEMA");
out.write("JavaSearch 1.0\n");
for (int i = 0; i < _lines.size(); i++)
{
out.write((String)_lines.elementAt(i));
out.write('\n');
}
out.close();
}
catch (IOException e) {
System.err.println("SCHEMA save failed " + e);
}
}
}
private void read() throws Exception
{
URL url;
URLConnection connect;
BufferedReader in;
url = getURL("SCHEMA");
connect = url.openConnection();
in = new BufferedReader
(new InputStreamReader(connect.getInputStream()));
// This needs to be replaced with our XML Parser
String line;
while ((line = in.readLine()) != null)
_lines.addElement(line);
in.close();
}
/**
* For printf debugging.
*/
private static boolean debugFlag = false;
private static void debug(String str) {
if( debugFlag ) {
System.out.println("Schema: " + str);
}
}
}
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