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/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* 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 .
*/
package org.openoffice.netbeans.modules.office.actions;
import java.io.*;
import java.util.*;
import javax.swing.event.ChangeListener;
import javax.swing.event.ChangeEvent;
import org.w3c.dom.Document;
import org.w3c.dom.NodeList;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.openide.filesystems.*;
import org.openide.xml.XMLUtil;
public class ParcelDescriptorParserSupport
implements ParcelDescriptorParserCookie, FileChangeListener {
private FileObject fo;
private Document document;
private Set listeners;
public ParcelDescriptorParserSupport(FileObject fo) {
this.fo = fo;
fo.addFileChangeListener(this);
}
private synchronized void parseFile() {
File file = FileUtil.toFile(fo);
InputSource is;
try {
is = new InputSource(new FileInputStream(file));
} catch (FileNotFoundException fnfe) {
System.out.println("Couldn't find file: " + file.getName());
return;
}
document = null;
try {
document = XMLUtil.parse(is, false, false, null, null);
} catch (IOException ioe) {
System.out.println("IO Error parsing file: " + file.getName());
} catch (SAXException se) {
System.out.println("Sax Error parsing file: " + file.getName());
}
}
public synchronized NodeList getScriptElements() {
if (document == null)
parseFile();
if (document != null)
return document.getElementsByTagName("script");
return null;
}
public void addChangeListener(ChangeListener cl) {
if (listeners == null)
listeners = new HashSet();
listeners.add(cl);
}
public void removeChangeListener(ChangeListener cl) {
if (listeners == null)
return;
listeners.remove(cl);
}
public void fileChanged(FileEvent fe) {
parseFile();
if (listeners != null) {
Iterator iter = listeners.iterator();
while (iter.hasNext())
((ChangeListener)iter.next()).stateChanged(new ChangeEvent(this));
}
}
public void fileAttributeChanged(FileAttributeEvent fe) {}
public void fileDataCreated(FileEvent fe) {}
public void fileDeleted(FileEvent fe) {}
public void fileFolderCreated(FileEvent fe) {}
public void fileRenamed(FileRenameEvent fe) {}
}
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