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/*******************************************************************************
* Copyright (c) 2007, 2008 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.equinox.spi.p2.artifact.repository;
import java.io.*;
import java.net.URL;
import java.util.jar.JarEntry;
import java.util.jar.JarInputStream;
import org.eclipse.core.runtime.*;
import org.eclipse.equinox.internal.p2.artifact.repository.*;
import org.eclipse.equinox.internal.p2.artifact.repository.simple.SimpleArtifactRepository;
import org.eclipse.equinox.internal.p2.artifact.repository.simple.SimpleArtifactRepositoryIO;
import org.eclipse.equinox.internal.p2.core.helpers.Tracing;
import org.eclipse.equinox.p2.artifact.repository.IArtifactRepository;
import org.eclipse.equinox.p2.core.ProvisionException;
import org.eclipse.osgi.util.NLS;
public class SimpleArtifactRepositoryFactory implements IArtifactRepositoryFactory {
public IArtifactRepository load(URL location, IProgressMonitor monitor) throws ProvisionException {
long time = 0;
final String debugMsg = "Restoring artifact repository "; //$NON-NLS-1$
if (Tracing.DEBUG_METADATA_PARSING) {
Tracing.debug(debugMsg + location);
time = -System.currentTimeMillis();
}
File temp = null;
try {
SubMonitor sub = SubMonitor.convert(monitor, 300);
// TODO This temporary file stuff is not very elegant.
OutputStream artifacts = null;
temp = File.createTempFile("artifacts", ".xml"); //$NON-NLS-1$ //$NON-NLS-2$
// try with compressed
boolean compress = true;
try {
artifacts = new BufferedOutputStream(new FileOutputStream(temp));
IStatus status = getTransport().download(SimpleArtifactRepository.getActualLocation(location, compress).toExternalForm(), artifacts, sub.newChild(100));
if (!status.isOK()) {
// retry uncompressed
compress = false;
status = getTransport().download(SimpleArtifactRepository.getActualLocation(location, compress).toExternalForm(), artifacts, sub.newChild(100));
if (!status.isOK())
throw new ProvisionException(new Status(IStatus.ERROR, Activator.ID, ProvisionException.REPOSITORY_NOT_FOUND, status.getMessage(), null));
}
} finally {
if (artifacts != null)
artifacts.close();
}
InputStream descriptorStream = null;
try {
descriptorStream = new BufferedInputStream(new FileInputStream(temp));
if (compress) {
URL actualFile = SimpleArtifactRepository.getActualLocation(location, false);
JarInputStream jInStream = new JarInputStream(descriptorStream);
JarEntry jarEntry = jInStream.getNextJarEntry();
String filename = new Path(actualFile.getFile()).lastSegment();
while (jarEntry != null && !(filename.equals(jarEntry.getName()))) {
jarEntry = jInStream.getNextJarEntry();
}
if (jarEntry == null) {
throw new FileNotFoundException("Repository not found in " + actualFile.getPath()); //$NON-NLS-1$
}
descriptorStream = jInStream;
}
SimpleArtifactRepositoryIO io = new SimpleArtifactRepositoryIO();
SimpleArtifactRepository result = (SimpleArtifactRepository) io.read(temp.toURL(), descriptorStream, sub.newChild(100));
result.initializeAfterLoad(location);
if (Tracing.DEBUG_METADATA_PARSING) {
time += System.currentTimeMillis();
Tracing.debug(debugMsg + "time (ms): " + time); //$NON-NLS-1$
}
return result;
} finally {
if (descriptorStream != null)
descriptorStream.close();
}
} catch (FileNotFoundException e) {
String msg = NLS.bind(Messages.io_failedRead, location);
throw new ProvisionException(new Status(IStatus.ERROR, Activator.ID, ProvisionException.REPOSITORY_NOT_FOUND, msg, e));
} catch (IOException e) {
String msg = NLS.bind(Messages.io_failedRead, location);
throw new ProvisionException(new Status(IStatus.ERROR, Activator.ID, ProvisionException.REPOSITORY_FAILED_READ, msg, e));
} finally {
if (temp != null && !temp.delete())
temp.deleteOnExit();
}
}
public IArtifactRepository create(URL location, String name, String type) {
return new SimpleArtifactRepository(name, location);
}
private Transport getTransport() {
return ECFTransport.getInstance();
}
}
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