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/*******************************************************************************
* Copyright (c) 2001, 2005 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jst.j2ee.commonarchivecore.internal.strategy;
import java.io.File;
import java.io.FileNotFoundException;
import org.eclipse.jst.j2ee.commonarchivecore.internal.CommonArchiveResourceHandler;
import org.eclipse.jst.j2ee.commonarchivecore.internal.util.DeleteOnExitUtility;
/**
* Used as an optimization for reading jars within jars. Reading from a ZipFile is much faster than
* from a ZipInputStream, therefore, when possible, it makes sense to copy the nested jar to a temp
* file. It is the responsibility of the caller to ensure that the temp file gets deleted on normal
* system exit, using the helper method on java.io.File. This strategy will also delete the file
* when closed or finalized.
*/
public class TempZipFileLoadStrategyImpl extends ZipFileLoadStrategyImpl {
/**
* TemporaryZipFileLoadStrategyImpl constructor comment.
*/
public TempZipFileLoadStrategyImpl() {
super();
}
/**
* TemporaryZipFileLoadStrategyImpl constructor comment.
*
* @param file
* java.io.File
* @throws java.io.IOException
* The exception description.
*/
public TempZipFileLoadStrategyImpl(java.io.File file) throws java.io.IOException {
super(file);
}
public void close() {
super.close();
File file = getFile();
file.delete();
DeleteOnExitUtility.fileHasBeenDeleted(file);
}
/**
* @see com.ibm.etools.archive.LoadStrategy
*/
public java.lang.String getAbsolutePath() throws java.io.FileNotFoundException {
throw new FileNotFoundException(CommonArchiveResourceHandler.Absolute_path_unknown_EXC_); // = "Absolute path unknown"
}
}
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