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/*******************************************************************************
* Copyright (c) 2007, 2010 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.internal.p2.touchpoint.natives;
import java.io.*;
import java.net.URI;
import java.util.*;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;
import org.eclipse.core.runtime.*;
import org.eclipse.equinox.internal.p2.core.helpers.LogHelper;
import org.eclipse.equinox.p2.core.*;
import org.eclipse.equinox.p2.engine.IProfile;
import org.eclipse.equinox.p2.repository.IRepository;
import org.eclipse.equinox.p2.repository.artifact.*;
import org.eclipse.osgi.util.NLS;
public class Util {
public static void log(String message) {
LogHelper.log(createError(message));
}
public static IStatus createError(String message) {
return new Status(IStatus.ERROR, Activator.ID, message);
}
public static String getInstallFolder(IProfile profile) {
return profile.getProperty(IProfile.PROP_INSTALL_FOLDER);
}
private static IAgentLocation getAgentLocation(IProvisioningAgent agent) {
return (IAgentLocation) agent.getService(IAgentLocation.SERVICE_NAME);
}
public static IArtifactRepositoryManager getArtifactRepositoryManager(IProvisioningAgent agent) {
return (IArtifactRepositoryManager) agent.getService(IArtifactRepositoryManager.SERVICE_NAME);
}
public static IFileArtifactRepository getDownloadCacheRepo(IProvisioningAgent agent) throws ProvisionException {
URI location = getDownloadCacheLocation(agent);
if (location == null)
throw new IllegalStateException(Messages.could_not_obtain_download_cache);
IArtifactRepositoryManager manager = getArtifactRepositoryManager(agent);
if (manager == null)
throw new IllegalStateException(Messages.artifact_repo_not_found);
IArtifactRepository repository;
try {
repository = manager.loadRepository(location, null);
} catch (ProvisionException e) {
// the download cache doesn't exist or couldn't be read. Create new cache.
String repositoryName = location + " - Agent download cache"; //$NON-NLS-1$
Map<String, String> properties = new HashMap<String, String>(1);
properties.put(IRepository.PROP_SYSTEM, Boolean.TRUE.toString());
repository = manager.createRepository(location, repositoryName, IArtifactRepositoryManager.TYPE_SIMPLE_REPOSITORY, properties);
}
IFileArtifactRepository downloadCache = (IFileArtifactRepository) repository.getAdapter(IFileArtifactRepository.class);
if (downloadCache == null)
throw new ProvisionException(NLS.bind(Messages.download_cache_not_writeable, location));
return downloadCache;
}
static private URI getDownloadCacheLocation(IProvisioningAgent agent) {
IAgentLocation location = getAgentLocation(agent);
if (location == null)
return null;
return URIUtil.append(location.getDataArea("org.eclipse.equinox.p2.core"), "cache/"); //$NON-NLS-1$ //$NON-NLS-2$
}
/**
* Unzip from a File to an output directory, with progress indication and backup.
* monitor and backup store may be null.
*/
public static File[] unzipFile(File zipFile, File outputDir, IBackupStore store, String taskName, IProgressMonitor monitor) throws IOException {
InputStream in = new FileInputStream(zipFile);
try {
return unzipStream(in, zipFile.length(), outputDir, store, taskName, monitor);
} catch (IOException e) {
// add the file name to the message
throw new IOException(NLS.bind(Messages.Util_Error_Unzipping, zipFile, e.getMessage()));
} finally {
in.close();
}
}
/**
* Unzip from an InputStream to an output directory using backup of overwritten files
* if backup store is not null.
*/
public static File[] unzipStream(InputStream stream, long size, File outputDir, IBackupStore store, String taskName, IProgressMonitor monitor) throws IOException {
InputStream is = monitor == null ? stream : stream; // new ProgressMonitorInputStream(stream, size, size, taskName, monitor); TODO Commented code
ZipInputStream in = new ZipInputStream(new BufferedInputStream(is));
ZipEntry ze = in.getNextEntry();
if (ze == null) {
// There must be at least one entry in a zip file.
// When there isn't getNextEntry returns null.
in.close();
throw new IOException(Messages.Util_Invalid_Zip_File_Format);
}
ArrayList<File> unzippedFiles = new ArrayList<File>();
do {
File outFile = new File(outputDir, ze.getName());
unzippedFiles.add(outFile);
if (ze.isDirectory()) {
outFile.mkdirs();
} else {
if (outFile.exists()) {
if (store != null)
store.backup(outFile);
else
outFile.delete();
} else {
outFile.getParentFile().mkdirs();
}
try {
copyStream(in, false, new FileOutputStream(outFile), true);
} catch (FileNotFoundException e) {
// TEMP: ignore this for now in case we're trying to replace
// a running eclipse.exe
}
outFile.setLastModified(ze.getTime());
}
in.closeEntry();
} while ((ze = in.getNextEntry()) != null);
in.close();
return unzippedFiles.toArray(new File[unzippedFiles.size()]);
}
/**
* Copy an input stream to an output stream.
* Optionally close the streams when done.
* Return the number of bytes written.
*/
public static int copyStream(InputStream in, boolean closeIn, OutputStream out, boolean closeOut) throws IOException {
try {
int written = 0;
byte[] buffer = new byte[16 * 1024];
int len;
while ((len = in.read(buffer)) != -1) {
out.write(buffer, 0, len);
written += len;
}
return written;
} finally {
try {
if (closeIn) {
in.close();
}
} finally {
if (closeOut) {
out.close();
}
}
}
}
}
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