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/*
* Copyright (c) 2009-2010 jMonkeyEngine
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of 'jMonkeyEngine' nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.jme3.asset.plugins;
import com.jme3.asset.*;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.util.logging.Logger;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
/**
* <code>ZipLocator</code> is a locator that looks up resources in a .ZIP file.
* @author Kirill Vainer
*/
public class ZipLocator implements AssetLocator {
private ZipFile zipfile;
private static final Logger logger = Logger.getLogger(ZipLocator.class.getName());
private class JarAssetInfo extends AssetInfo {
private final ZipEntry entry;
public JarAssetInfo(AssetManager manager, AssetKey key, ZipEntry entry){
super(manager, key);
this.entry = entry;
}
public InputStream openStream(){
try{
return zipfile.getInputStream(entry);
}catch (IOException ex){
throw new AssetLoadException("Failed to load zip entry: "+entry, ex);
}
}
}
public void setRootPath(String rootPath) {
try{
zipfile = new ZipFile(new File(rootPath), ZipFile.OPEN_READ);
}catch (IOException ex){
throw new AssetLoadException("Failed to open zip file: " + rootPath, ex);
}
}
public AssetInfo locate(AssetManager manager, AssetKey key) {
String name = key.getName();
ZipEntry entry = zipfile.getEntry(name);
if (entry == null)
return null;
return new JarAssetInfo(manager, key, entry);
}
}
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