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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.utils;
import java.io.*;
import java.util.zip.*;
import java.beans.PropertyVetoException;
import org.openide.filesystems.FileSystem;
import org.openide.filesystems.Repository;
import org.openoffice.netbeans.modules.office.filesystem.OpenOfficeDocFileSystem;
public class ZipMounter
{
private static ZipMounter mounter = null;
private ZipMounter() {
}
public static ZipMounter getZipMounter() {
if (mounter == null) {
synchronized(ZipMounter.class) {
if (mounter == null)
mounter = new ZipMounter();
}
}
return mounter;
}
public void mountZipFile(File zipfile)
throws IOException, PropertyVetoException
{
if (zipfile != null) {
addDocumentToRepository(zipfile, true);
}
}
private FileSystem addDocumentToRepository(File rootFile, boolean writeable)
throws IOException, PropertyVetoException
{
Repository repo = Repository.getDefault();
OpenOfficeDocFileSystem oofs;
oofs = (OpenOfficeDocFileSystem)getMountedDocument(rootFile);
if(oofs != null)
repo.removeFileSystem(oofs);
oofs = new OpenOfficeDocFileSystem();
oofs.setDocument(rootFile);
repo.addFileSystem(oofs);
return oofs;
}
/** @return FileSystem which has given jar file as its root or
* null if no such file system could be found in repository */
private FileSystem getMountedDocument(File rootFile)
{
if (rootFile == null)
return null;
FileSystem oofs = null;
try {
oofs = Repository.getDefault().findFileSystem(
OpenOfficeDocFileSystem.computeSystemName(rootFile));
} catch(Exception exp) {
}
return oofs;
}
}
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