| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| |
| package org.apache.commons.compress.archivers; |
| |
| import java.io.BufferedInputStream; |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.InputStream; |
| |
| /** |
| * Simple command line application that lists the contents of an archive. |
| * |
| * <p>The name of the archive must be given as a command line argument.</p> |
| * <p>The optional second argument defines the archive type, in case the format is not recognized.</p> |
| * |
| * @since 1.1 |
| */ |
| public final class Lister { |
| private static final ArchiveStreamFactory factory = new ArchiveStreamFactory(); |
| |
| public static void main(final String[] args) throws Exception { |
| if (args.length == 0) { |
| usage(); |
| return; |
| } |
| System.out.println("Analysing " + args[0]); |
| final File f = new File(args[0]); |
| if (!f.isFile()) { |
| System.err.println(f + " doesn't exist or is a directory"); |
| } |
| try (final InputStream fis = new BufferedInputStream(new FileInputStream(f)); |
| final ArchiveInputStream ais = createArchiveInputStream(args, fis)) { |
| System.out.println("Created " + ais.toString()); |
| ArchiveEntry ae; |
| while ((ae = ais.getNextEntry()) != null) { |
| System.out.println(ae.getName()); |
| } |
| } |
| } |
| |
| private static ArchiveInputStream createArchiveInputStream(final String[] args, final InputStream fis) |
| throws ArchiveException { |
| if (args.length > 1) { |
| return factory.createArchiveInputStream(args[1], fis); |
| } |
| return factory.createArchiveInputStream(fis); |
| } |
| |
| private static void usage() { |
| System.out.println("Parameters: archive-name [archive-type]"); |
| } |
| |
| } |