| /******************************************************************************* |
| * Copyright (c) 2007, 2009 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 org.eclipse.equinox.p2.core.ProvisionException; |
| |
| 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.IAgentLocation; |
| import org.eclipse.equinox.p2.core.IProvisioningAgent; |
| 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.class.getName()); |
| } |
| |
| 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(); |
| } |
| } |
| } |
| } |
| } |