| /******************************************************************************* |
| * Copyright (c) 2000, 2016 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.help.internal.base; |
| |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.util.Locale; |
| import java.util.zip.ZipEntry; |
| import java.util.zip.ZipOutputStream; |
| |
| import org.eclipse.core.runtime.NullProgressMonitor; |
| import org.eclipse.equinox.app.IApplication; |
| import org.eclipse.equinox.app.IApplicationContext; |
| import org.eclipse.osgi.util.NLS; |
| |
| /** |
| * application org.eclipse.help.indexTool |
| */ |
| public class IndexToolApplication implements IApplication { |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.equinox.app.IApplication#start(org.eclipse.equinox.app.IApplicationContext) |
| */ |
| @Override |
| public synchronized Object start(IApplicationContext context) throws Exception { |
| try { |
| String directory = System.getProperty("indexOutput"); //$NON-NLS-1$ |
| if (directory == null || directory.length() == 0) { |
| throw new Exception(NLS.bind(HelpBaseResources.IndexToolApplication_propertyNotSet, "indexOutput")); //$NON-NLS-1$ |
| } |
| String localeStr = System.getProperty("indexLocale"); //$NON-NLS-1$ |
| if (localeStr == null || localeStr.length() < 2) { |
| throw new Exception(NLS.bind(HelpBaseResources.IndexToolApplication_propertyNotSet, "indexLocale")); //$NON-NLS-1$ |
| } |
| Locale locale; |
| if (localeStr.length() >= 5) { |
| locale = new Locale(localeStr.substring(0, 2), localeStr.substring(3, 5)); |
| } |
| else { |
| locale = new Locale(localeStr.substring(0, 2), ""); //$NON-NLS-1$ |
| } |
| preindex(directory, locale); |
| } |
| catch (Exception e) { |
| e.printStackTrace(); |
| HelpBasePlugin.logError("Preindexing failed.", e); //$NON-NLS-1$ |
| } |
| return EXIT_OK; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.equinox.app.IApplication#stop() |
| */ |
| @Override |
| public synchronized void stop() { |
| } |
| |
| private void preindex(String outputDir, Locale locale) throws Exception { |
| File indexPath = new File(HelpBasePlugin.getConfigurationDirectory(), |
| "index/" + locale); //$NON-NLS-1$ |
| |
| // clean |
| if (indexPath.exists()) { |
| delete(indexPath); |
| } |
| // index |
| BaseHelpSystem.getLocalSearchManager().ensureIndexUpdated( |
| new NullProgressMonitor(), |
| BaseHelpSystem.getLocalSearchManager().getIndex(locale.toString())); |
| // zip up |
| File d = new File(outputDir, |
| "nl" + File.separator + locale.getLanguage()); //$NON-NLS-1$ |
| if (locale.getCountry().length() > 0) { |
| d = new File(d, locale.getCountry()); |
| } |
| if (!d.exists()) |
| d.mkdirs(); |
| |
| try (ZipOutputStream zout = new ZipOutputStream(new FileOutputStream(new File(d, "doc_index.zip")))) { //$NON-NLS-1$ |
| zipDirectory(indexPath, zout, null); |
| } |
| } |
| |
| /** |
| * Recursively deletes directory and files. |
| * |
| * @param file |
| * @throws IOException |
| */ |
| private static void delete(File file) throws IOException { |
| if (file.isDirectory()) { |
| File files[] = file.listFiles(); |
| if(files == null) { |
| throw new IOException("Content from directory '" + file.getAbsolutePath() + "' can not be listed."); //$NON-NLS-1$ //$NON-NLS-2$ |
| } |
| for (int i = 0; i < files.length; i++) { |
| delete(files[i]); |
| } |
| } |
| if (!file.delete()) { |
| throw new IOException( |
| NLS.bind(HelpBaseResources.IndexToolApplication_cannotDelete, file.getAbsolutePath())); |
| } |
| } |
| |
| /** |
| * Adds files in a directory to a zip stream |
| * |
| * @param dir |
| * directory with files to zip |
| * @param zout |
| * ZipOutputStream |
| * @param base |
| * directory prefix for file entries inside the zip or null |
| * @throws IOException |
| */ |
| private static void zipDirectory(File dir, ZipOutputStream zout, String base) |
| throws IOException { |
| byte buffer[] = new byte[8192]; |
| String[] files = dir.list(); |
| if (files == null || files.length == 0) |
| return; |
| for (int i = 0; i < files.length; i++) { |
| String path; |
| if (base == null) { |
| path = files[i]; |
| } else { |
| path = base + "/" + files[i]; //$NON-NLS-1$ |
| } |
| File f = new File(dir, files[i]); |
| if (f.isDirectory()) |
| zipDirectory(f, zout, path); |
| else { |
| ZipEntry zentry = new ZipEntry(path); |
| zout.putNextEntry(zentry); |
| try (FileInputStream inputStream = new FileInputStream(f)) { |
| int len; |
| while ((len = inputStream.read(buffer)) != -1) |
| zout.write(buffer, 0, len); |
| } |
| zout.flush(); |
| zout.closeEntry(); |
| } |
| } |
| } |
| } |