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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.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.resource.URIConverter;
import org.eclipse.jst.j2ee.commonarchivecore.internal.Archive;
import org.eclipse.jst.j2ee.commonarchivecore.internal.File;
import org.eclipse.jst.j2ee.commonarchivecore.internal.exception.SaveFailureException;
import org.eclipse.jst.j2ee.internal.J2EEConstants;
import org.eclipse.wst.common.internal.emf.resource.CompatibilityURIConverter;
import org.eclipse.wst.common.internal.emf.utilities.Revisit;
/**
* This is a concrete implentation of SaveStrategy. All the contents of the archive, including xmi
* resources, will be output to a ZipOutputStream. The output stream should be passed in by the
* client.
*/
public class ZipStreamSaveStrategyImpl extends SaveStrategyImpl implements SaveStrategy {
protected OutputStream destinationStream;
/** Used internally */
protected ZipOutputStream zipOutputStream;
/**
* Wraps a new zip output stream around the parameter
*/
public ZipStreamSaveStrategyImpl(OutputStream out) {
setDestinationStream(out);
setZipOutputStream(new ZipOutputStream(out));
}
public void close() throws IOException {
getDestinationStream().close();
}
protected SaveStrategy createNestedSaveStrategy(Archive anArchive) {
return new ZipStreamSaveStrategyImpl(getZipOutputStream());
}
public void finish() throws IOException {
getZipOutputStream().finish();
//If this is not nested, close the stream to free up the resource
//otherwise, don't close it because the parent may not be done
if (!(getDestinationStream() instanceof ZipOutputStream))
getDestinationStream().close();
}
/**
* @return java.io.OutputStream
*/
public java.io.OutputStream getDestinationStream() {
return destinationStream;
}
/**
* @see com.ibm.etools.archive.impl.SaveStrategyImpl
*/
protected java.io.OutputStream getOutputStreamForResource(Resource aResource) throws java.io.IOException {
return getZipOutputStream();
}
/**
* @see com.ibm.etools.archive.SaveStrategy#saveMofResource(Resource)
*/
public void saveMofResource(Resource aResource, OutputStream out) throws IOException {
Revisit.revisit();
URI uri = aResource.getURI();
//Ensure container relative URI
URIConverter conv = getArchive().getResourceSet().getURIConverter();
if (conv instanceof CompatibilityURIConverter)
uri = ((CompatibilityURIConverter) conv).deNormalize(uri);
ZipEntry entry = new ZipEntry(uri.toString());
zipOutputStream.putNextEntry(entry);
super.saveMofResource(aResource, out);
zipOutputStream.closeEntry();
}
/**
* @return java.util.zip.ZipOutputStream
*/
protected java.util.zip.ZipOutputStream getZipOutputStream() {
return zipOutputStream;
}
/**
* @see com.ibm.etools.archive.SaveStrategy
*/
public void save(org.eclipse.jst.j2ee.commonarchivecore.internal.helpers.ArchiveManifest aManifest) throws SaveFailureException {
try {
ZipEntry entry = new ZipEntry(J2EEConstants.MANIFEST_URI);
getZipOutputStream().putNextEntry(entry);
aManifest.write(getZipOutputStream());
getZipOutputStream().closeEntry();
} catch (IOException iox) {
throw new SaveFailureException(J2EEConstants.MANIFEST_URI, iox);
}
}
public void save(Archive anArchive) throws SaveFailureException {
try {
ZipEntry entry = new ZipEntry(anArchive.getURI());
getZipOutputStream().putNextEntry(entry);
super.save(anArchive);
getZipOutputStream().closeEntry();
} catch (IOException iox) {
throw new SaveFailureException(anArchive.getURI(), iox);
}
}
public void save(File aFile, InputStream in) throws SaveFailureException {
try {
String entryName = aFile.getURI();
if (aFile.isDirectoryEntry() && !entryName.endsWith("/"))//$NON-NLS-1$
entryName = entryName + '/';
ZipEntry entry = new ZipEntry(entryName);
if (aFile.getLastModified() > 0)
entry.setTime(aFile.getLastModified());
getZipOutputStream().putNextEntry(entry);
if (!aFile.isDirectoryEntry()) {
org.eclipse.jst.j2ee.commonarchivecore.internal.util.ArchiveUtil.copy(in, getZipOutputStream());
}
getZipOutputStream().closeEntry();
} catch (IOException iox) {
throw new SaveFailureException(aFile.getURI(), iox);
}
}
/**
* @param newDestinationStream
* java.io.OutputStream
*/
public void setDestinationStream(java.io.OutputStream newDestinationStream) {
destinationStream = newDestinationStream;
}
/**
* @param newZipOutputStream
* java.util.zip.ZipOutputStream
*/
protected void setZipOutputStream(java.util.zip.ZipOutputStream newZipOutputStream) {
zipOutputStream = newZipOutputStream;
}
}
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