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/* |
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* The Apache Software License, Version 1.1 |
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* |
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* Copyright (c) 1999 The Apache Software Foundation. All rights |
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* reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* |
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* 3. The end-user documentation included with the redistribution, if |
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* any, must include the following acknowlegement: |
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* "This product includes software developed by the |
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* Apache Software Foundation (http://www.apache.org/)." |
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* Alternately, this acknowlegement may appear in the software itself, |
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* if and wherever such third-party acknowlegements normally appear. |
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* |
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* 4. The names "The Jakarta Project", "Tomcat", and "Apache Software |
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* Foundation" must not be used to endorse or promote products derived |
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* from this software without prior written permission. For written |
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* permission, please contact apache@apache.org. |
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* |
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* 5. Products derived from this software may not be called "Apache" |
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* nor may "Apache" appear in their names without prior written |
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* permission of the Apache Group. |
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* |
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR |
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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* ==================================================================== |
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* |
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* This software consists of voluntary contributions made by many |
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* individuals on behalf of the Apache Software Foundation. For more |
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* information on the Apache Software Foundation, please see |
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* <http://www.apache.org/>. |
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*/ |
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package org.apache.tools.ant.taskdefs; |
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import org.apache.tools.ant.*; |
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import org.apache.tools.tar.*; |
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import java.io.*; |
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/** |
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* Untar a file. |
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* |
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* Heavily based on the Expand task. |
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* |
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* @author Stefan Bodewig <a href="mailto:stefan.bodewig@megabit.net">stefan.bodewig@megabit.net</a> |
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*/ |
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public class Untar extends Task { |
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private String dest; // req |
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private String source; // req |
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/** |
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* Do the work. |
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* |
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* @exception BuildException Thrown in unrecoverable error. |
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*/ |
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public void execute() throws BuildException { |
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try { |
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if (source == null) { |
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throw new BuildException("No source specified"); |
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} |
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File srcF=project.resolveFile(source); |
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if (!srcF.exists()) { |
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throw new BuildException("source doesn't exist"); |
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} |
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if (dest == null) { |
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throw new BuildException("No destination specified"); |
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} |
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File dir=project.resolveFile(dest); |
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project.log("Expanding: " + srcF + " into " + dir, Project.MSG_INFO); |
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// code from WarExpand |
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TarInputStream tis = new TarInputStream(new FileInputStream(srcF)); |
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TarEntry te = null; |
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while ((te = tis.getNextEntry()) != null) { |
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try { |
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File f = new File(dir, project.translatePath(te.getName())); |
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project.log("expand-file " + te.getName() , "untar", Project.MSG_VERBOSE ); |
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// create intermediary directories - sometimes tar don't add them |
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File dirF=new File(f.getParent()); |
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dirF.mkdirs(); |
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if (te.isDirectory()) { |
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f.mkdirs(); |
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} else { |
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byte[] buffer = new byte[1024]; |
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int length = 0; |
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FileOutputStream fos = new FileOutputStream(f); |
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while ((length = tis.read(buffer)) >= 0) { |
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fos.write(buffer, 0, length); |
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} |
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fos.close(); |
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} |
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} catch( FileNotFoundException ex ) { |
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System.out.println("FileNotFoundException: " + te.getName() ); |
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} |
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} |
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} catch (IOException ioe) { |
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throw new BuildException(ioe); |
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} |
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} |
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/** |
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* Set the destination directory. File will be untared into the |
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* destination directory. |
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* |
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* @param d Path to the directory. |
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*/ |
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public void setDest(String d) { |
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this.dest=d; |
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} |
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/** |
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* Set the path to tar-file. |
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* |
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* @param s Path to tar-file. |
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*/ |
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public void setSrc(String s) { |
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this.source = s; |
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} |
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} |
Arnout J. Kuiper