| /* Main.java - jar program main() |
| Copyright (C) 2006 Free Software Foundation, Inc. |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| |
| package gnu.classpath.tools.jar; |
| |
| import gnu.classpath.tools.getopt.ClasspathToolParser; |
| import gnu.classpath.tools.getopt.FileArgumentCallback; |
| import gnu.classpath.tools.getopt.Option; |
| import gnu.classpath.tools.getopt.OptionException; |
| import gnu.classpath.tools.getopt.OptionGroup; |
| import gnu.classpath.tools.getopt.Parser; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.text.MessageFormat; |
| import java.util.ArrayList; |
| import java.util.zip.ZipOutputStream; |
| |
| public class Main |
| { |
| /** The mode of operation. This is the class representing |
| * the action; we make a new instance before using it. It |
| * must be a subclass of Action. 'null' means the mode |
| * has not yet been set. */ |
| Class operationMode; |
| |
| /** The archive file name. */ |
| File archiveFile; |
| |
| /** The zip storage mode. */ |
| int storageMode = ZipOutputStream.DEFLATED; |
| |
| /** True if we should read file names from stdin. */ |
| boolean readNamesFromStdin = false; |
| |
| /** True for verbose mode. */ |
| boolean verbose = false; |
| |
| /** True if we want a manifest file. */ |
| boolean wantManifest = true; |
| |
| /** Name of manifest file to use. */ |
| File manifestFile; |
| |
| /** A list of Entry objects, each describing a file to write. */ |
| ArrayList entries = new ArrayList(); |
| |
| /** Used only while parsing, holds the first argument for -C. */ |
| String changedDirectory; |
| |
| void setArchiveFile(String filename) throws OptionException |
| { |
| if (archiveFile != null) |
| { |
| String fmt = MessageFormat.format(Messages.getString("Main.ArchiveAlreadySet"), //$NON-NLS-1$ |
| new Object[] { archiveFile }); |
| throw new OptionException(fmt); |
| } |
| archiveFile = new File(filename); |
| } |
| |
| class HandleFile |
| extends FileArgumentCallback |
| { |
| public void notifyFile(String fileArgument) |
| { |
| Entry entry; |
| if (changedDirectory != null) |
| { |
| entry = new Entry(new File(changedDirectory, fileArgument), |
| fileArgument); |
| changedDirectory = null; |
| } |
| else |
| entry = new Entry(new File(fileArgument)); |
| entries.add(entry); |
| } |
| } |
| |
| // An option that knows how to set the operation mode. |
| private class ModeOption |
| extends Option |
| { |
| private Class mode; |
| |
| public ModeOption(char shortName, String description, Class mode) |
| { |
| super(shortName, description); |
| this.mode = mode; |
| } |
| |
| public ModeOption(char shortName, String description, String argName, |
| Class mode) |
| { |
| super(shortName, description, argName); |
| this.mode = mode; |
| } |
| |
| public void parsed(String argument) throws OptionException |
| { |
| if (operationMode != null) |
| throw new OptionException(Messages.getString("Main.ModeAlreaySet")); //$NON-NLS-1$ |
| operationMode = mode; |
| // We know this is only the case for -i. |
| if (argument != null) |
| setArchiveFile(argument); |
| } |
| } |
| |
| private class JarParser extends ClasspathToolParser |
| { |
| public JarParser(String name) |
| { |
| super(name); |
| } |
| |
| protected void validate() throws OptionException |
| { |
| if (operationMode == null) |
| throw new OptionException(Messages.getString("Main.MustSpecify")); //$NON-NLS-1$ |
| if (changedDirectory != null) |
| throw new OptionException(Messages.getString("Main.TwoArgsReqd")); //$NON-NLS-1$ |
| if (! wantManifest && manifestFile != null) |
| throw new OptionException(Messages.getString("Main.CantHaveBoth")); //$NON-NLS-1$ |
| if (operationMode == Indexer.class) |
| { |
| // Some extra validation for -i. |
| if (! entries.isEmpty()) |
| throw new OptionException(Messages.getString("Main.NoFilesWithi")); //$NON-NLS-1$ |
| if (! wantManifest) |
| throw new OptionException(Messages.getString("Main.NoMAndi")); //$NON-NLS-1$ |
| if (manifestFile != null) |
| throw new OptionException(Messages.getString("Main.AnotherNomAndi")); //$NON-NLS-1$ |
| } |
| } |
| } |
| |
| private Parser initializeParser() |
| { |
| Parser p = new JarParser("jar"); //$NON-NLS-1$ |
| p.setHeader(Messages.getString("Main.Usage")); //$NON-NLS-1$ |
| |
| OptionGroup grp = new OptionGroup(Messages.getString("Main.OpMode")); //$NON-NLS-1$ |
| grp.add(new ModeOption('c', Messages.getString("Main.Create"), Creator.class)); //$NON-NLS-1$ |
| grp.add(new ModeOption('x', Messages.getString("Main.Extract"), Extractor.class)); //$NON-NLS-1$ |
| grp.add(new ModeOption('t', Messages.getString("Main.List"), Lister.class)); //$NON-NLS-1$ |
| grp.add(new ModeOption('u', Messages.getString("Main.Update"), Updater.class)); //$NON-NLS-1$ |
| // Note that -i works in-place and explicitly requires a file name. |
| grp.add(new ModeOption('i', Messages.getString("Main.Index"), Messages.getString("Main.FileArg"), Indexer.class)); //$NON-NLS-1$ //$NON-NLS-2$ |
| p.add(grp); |
| |
| grp = new OptionGroup(Messages.getString("Main.OpMods")); //$NON-NLS-1$ |
| grp.add(new Option('f', Messages.getString("Main.ArchiveName"), Messages.getString("Main.FileArg2")) //$NON-NLS-1$ //$NON-NLS-2$ |
| { |
| public void parsed(String argument) throws OptionException |
| { |
| setArchiveFile(argument); |
| } |
| }); |
| grp.add(new Option('0', Messages.getString("Main.NoZip")) //$NON-NLS-1$ |
| { |
| public void parsed(String argument) throws OptionException |
| { |
| storageMode = ZipOutputStream.STORED; |
| } |
| }); |
| grp.add(new Option('v', Messages.getString("Main.Verbose")) //$NON-NLS-1$ |
| { |
| public void parsed(String argument) throws OptionException |
| { |
| verbose = true; |
| } |
| }); |
| grp.add(new Option('M', Messages.getString("Main.NoManifest")) //$NON-NLS-1$ |
| { |
| public void parsed(String argument) throws OptionException |
| { |
| wantManifest = false; |
| } |
| }); |
| grp.add(new Option('m', Messages.getString("Main.ManifestName"), Messages.getString("Main.ManifestArgName")) //$NON-NLS-1$ //$NON-NLS-2$ |
| { |
| public void parsed(String argument) throws OptionException |
| { |
| manifestFile = new File(argument); |
| } |
| }); |
| // -@ |
| p.add(grp); |
| |
| grp = new OptionGroup(Messages.getString("Main.FileNameGroup")); //$NON-NLS-1$ |
| grp.add(new Option('C', Messages.getString("Main.ChangeDir"), //$NON-NLS-1$ |
| Messages.getString("Main.ChangeDirArg")) //$NON-NLS-1$ |
| { |
| public void parsed(String argument) throws OptionException |
| { |
| changedDirectory = argument; |
| } |
| }); |
| p.add(grp); |
| |
| return p; |
| } |
| |
| private void run(String[] args) |
| throws InstantiationException, IllegalAccessException, IOException |
| { |
| Parser p = initializeParser(); |
| // Special hack to emulate old tar-style commands. |
| if (args.length > 0 && args[0].charAt(0) != '-') |
| args[0] = '-' + args[0]; |
| p.parse(args, new HandleFile()); |
| Action t = (Action) operationMode.newInstance(); |
| t.run(this); |
| } |
| |
| public static void main(String[] args) |
| { |
| Main jarprogram = new Main(); |
| try |
| { |
| jarprogram.run(args); |
| } |
| catch (Exception e) |
| { |
| System.err.println(Messages.getString("Main.InternalError")); //$NON-NLS-1$ |
| e.printStackTrace(System.err); |
| System.exit(1); |
| } |
| } |
| } |