COMPRESS-118 make listing just another sink for expanding
Project: http://git-wip-us.apache.org/repos/asf/commons-compress/repo Commit: http://git-wip-us.apache.org/repos/asf/commons-compress/commit/75a7edc7 Tree: http://git-wip-us.apache.org/repos/asf/commons-compress/tree/75a7edc7 Diff: http://git-wip-us.apache.org/repos/asf/commons-compress/diff/75a7edc7 Branch: refs/heads/master Commit: 75a7edc742215c3354befe8fc0ec6d4ffe3bd663 Parents: 3355825 Author: Stefan Bodewig <bode...@apache.org> Authored: Mon Apr 30 06:32:20 2018 +0200 Committer: Stefan Bodewig <bode...@apache.org> Committed: Mon Apr 30 06:32:20 2018 +0200 ---------------------------------------------------------------------- pom.xml | 2 +- .../compress/archivers/examples/ListerCli.java | 68 ++++++++++++++++++++ 2 files changed, 69 insertions(+), 1 deletion(-) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/commons-compress/blob/75a7edc7/pom.xml ---------------------------------------------------------------------- diff --git a/pom.xml b/pom.xml index c3eff8e..85ee514 100644 --- a/pom.xml +++ b/pom.xml @@ -329,7 +329,7 @@ Brotli, Zstandard and ar, cpio, jar, tar, zip, dump, 7z, arj. <configuration> <archive> <manifestEntries> - <Main-Class>org.apache.commons.compress.archivers.Lister</Main-Class> + <Main-Class>org.apache.commons.compress.archivers.examples.ListerCli</Main-Class> <Extension-Name>org.apache.commons.compress</Extension-Name> <Automatic-Module-Name>${commons.module.name}</Automatic-Module-Name> </manifestEntries> http://git-wip-us.apache.org/repos/asf/commons-compress/blob/75a7edc7/src/main/java/org/apache/commons/compress/archivers/examples/ListerCli.java ---------------------------------------------------------------------- diff --git a/src/main/java/org/apache/commons/compress/archivers/examples/ListerCli.java b/src/main/java/org/apache/commons/compress/archivers/examples/ListerCli.java new file mode 100644 index 0000000..36f6efa --- /dev/null +++ b/src/main/java/org/apache/commons/compress/archivers/examples/ListerCli.java @@ -0,0 +1,68 @@ +/* + * 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.examples; + +import java.io.File; +import org.apache.commons.compress.archivers.ArchiveEntry; + +/** + * 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 1.17 + */ +public final class ListerCli { + + public static void main(final String[] args) throws Exception { + if (args.length == 0) { + usage(); + return; + } + System.out.println("Analysing " + args[0]); + final Sink<ArchiveEntry> sink = new Sink<ArchiveEntry>() { + @Override + public void consume(ChainPayload<ArchiveEntry> payload) { + System.out.println(payload.getEntry().getName()); + } + @Override + public void close() { + } + }; + + final File f = new File(args[0]); + if (!f.isFile()) { + System.err.println(f + " doesn't exist or is a directory"); + } else if (args.length == 1) { + try (ArchiveEntrySource source = ArchiveSources.forFile(f).detectFormat()) { + Expand.source(source).to(sink); + } + } else { + try (ArchiveEntrySource source = ArchiveSources.forFile(f).withFormat(args[1])) { + Expand.source(source).to(sink); + } + } + } + + private static void usage() { + System.out.println("Parameters: archive-name [archive-type]"); + } + +}
