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/*******************************************************************************
* Copyright (c) 2007 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
* Prashant Deva - Bug 194674 [prov] Provide write access to metadata repository
*******************************************************************************/
package org.eclipse.equinox.internal.prov.metadata.repository;
import com.thoughtworks.xstream.XStream;
import java.io.*;
import org.eclipse.equinox.prov.core.repository.RepositoryCreationException;
import org.eclipse.equinox.prov.metadata.repository.IMetadataRepository;
/**
* This class reads and writes provisioning metadata.
* The implementation currently uses XStream.
*/
class MetadataRepositoryIO {
/**
* Reads metadata from the given stream, and returns the contained array
* of abstract metadata repositories.
* This method performs buffering, and closes the stream when finished.
*/
public static IMetadataRepository read(InputStream input) throws RepositoryCreationException {
XStream stream = new XStream();
BufferedInputStream bufferedInput = null;
try {
try {
bufferedInput = new BufferedInputStream(input);
return (IMetadataRepository) stream.fromXML(bufferedInput);
} finally {
if (bufferedInput != null)
bufferedInput.close();
}
} catch (IOException e) {
throw new RepositoryCreationException(e);
}
}
public static void write(AbstractMetadataRepository repository, OutputStream output) {
XStream stream = new XStream();
OutputStream bufferedOutput = null;
try {
try {
bufferedOutput = new BufferedOutputStream(output);
stream.toXML(repository, bufferedOutput);
} finally {
if (bufferedOutput != null)
bufferedOutput.close();
}
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
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