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From bode...@apache.org
Subject commons-compress git commit: tar specific Lister
Date Wed, 23 Mar 2016 16:39:57 GMT
Repository: commons-compress
Updated Branches:
  refs/heads/master a5eca5683 -> 02e0f9ae6


tar specific Lister


Project: http://git-wip-us.apache.org/repos/asf/commons-compress/repo
Commit: http://git-wip-us.apache.org/repos/asf/commons-compress/commit/02e0f9ae
Tree: http://git-wip-us.apache.org/repos/asf/commons-compress/tree/02e0f9ae
Diff: http://git-wip-us.apache.org/repos/asf/commons-compress/diff/02e0f9ae

Branch: refs/heads/master
Commit: 02e0f9ae63a1d1db2d4c644ddbaa0a18e6b748fa
Parents: a5eca56
Author: Stefan Bodewig <bodewig@apache.org>
Authored: Wed Mar 23 17:39:32 2016 +0100
Committer: Stefan Bodewig <bodewig@apache.org>
Committed: Wed Mar 23 17:39:32 2016 +0100

----------------------------------------------------------------------
 .../compress/archivers/tar/TarLister.java       | 79 ++++++++++++++++++++
 1 file changed, 79 insertions(+)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/commons-compress/blob/02e0f9ae/src/test/java/org/apache/commons/compress/archivers/tar/TarLister.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/compress/archivers/tar/TarLister.java b/src/test/java/org/apache/commons/compress/archivers/tar/TarLister.java
new file mode 100644
index 0000000..ce78e7e
--- /dev/null
+++ b/src/test/java/org/apache/commons/compress/archivers/tar/TarLister.java
@@ -0,0 +1,79 @@
+/*
+ *  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.tar;
+
+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 a tar archive.
+ *
+ * <p>The name of the archive must be given as a command line argument.</p>
+ * <p>The optional second argument specifies the encoding to assume for file names.</p>
+ *
+ * @since 1.11
+ */
+public final class TarLister {
+
+    public static void main(String[] args) throws Exception {
+        if (args.length == 0) {
+            usage();
+            return;
+        }
+        System.out.println("Analysing " + args[0]);
+        File f = new File(args[0]);
+        if (!f.isFile()) {
+            System.err.println(f + " doesn't exist or is a directory");
+        }
+        InputStream fis = new BufferedInputStream(new FileInputStream(f));
+        TarArchiveInputStream ais;
+        if (args.length > 1) {
+            ais = new TarArchiveInputStream(fis, args[1]);
+        } else {
+            ais = new TarArchiveInputStream(fis);
+        }
+        System.out.println("Created " + ais.toString());
+        TarArchiveEntry ae;
+        while((ae=ais.getNextTarEntry()) != null){
+            log(ae);
+        }
+        ais.close();
+        fis.close();
+    }
+
+    private static void usage() {
+        System.out.println("Parameters: archive-name [encoding]");
+    }
+
+    private static void log(TarArchiveEntry ae) {
+        System.out.print(ae.getName());
+        if (ae.isSymbolicLink() || ae.isLink()) {
+            if (ae.isSymbolicLink()) {
+                System.out.print(" -> ");
+            } else {
+                System.out.print(" link to ");
+            }
+            System.out.print(ae.getLinkName());
+        }
+        System.out.println();
+    }
+            
+}


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