| /* |
| * The Apache Software License, Version 1.1 |
| * |
| * Copyright (c) 1999 The Apache Software Foundation. All rights |
| * reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. The end-user documentation included with the redistribution, if |
| * any, must include the following acknowlegement: |
| * "This product includes software developed by the |
| * Apache Software Foundation (http://www.apache.org/)." |
| * Alternately, this acknowlegement may appear in the software itself, |
| * if and wherever such third-party acknowlegements normally appear. |
| * |
| * 4. The names "The Jakarta Project", "Ant", and "Apache Software |
| * Foundation" must not be used to endorse or promote products derived |
| * from this software without prior written permission. For written |
| * permission, please contact apache@apache.org. |
| * |
| * 5. Products derived from this software may not be called "Apache" |
| * nor may "Apache" appear in their names without prior written |
| * permission of the Apache Group. |
| * |
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR |
| * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| */ |
| |
| package org.apache.tools.ant.taskdefs; |
| |
| import org.apache.tools.ant.*; |
| import org.apache.tools.tar.*; |
| import java.io.*; |
| |
| /** |
| * Untar a file. |
| * |
| * Heavily based on the Expand task. |
| * |
| * @author <a href="mailto:stefan.bodewig@epost.de">Stefan Bodewig</a> |
| */ |
| public class Untar extends Task { |
| private File dest; // req |
| private File source; // req |
| |
| private boolean overwrite = true; |
| |
| /** |
| * Do the work. |
| * |
| * @exception BuildException Thrown in unrecoverable error. |
| */ |
| public void execute() throws BuildException { |
| |
| Touch touch = (Touch) project.createTask("touch"); |
| touch.setOwningTarget(target); |
| touch.setTaskName(getTaskName()); |
| touch.setLocation(getLocation()); |
| |
| File srcF = source; |
| |
| TarInputStream tis = null; |
| try { |
| if (source == null) { |
| throw new BuildException("No source specified", location); |
| } |
| if (!srcF.exists()) { |
| throw new BuildException("source "+srcF+" doesn't exist", |
| location); |
| } |
| |
| if (dest == null) { |
| throw new BuildException("No destination specified", location); |
| } |
| File dir = dest; |
| |
| log("Expanding: " + srcF + " into " + dir, Project.MSG_INFO); |
| tis = new TarInputStream(new FileInputStream(srcF)); |
| TarEntry te = null; |
| |
| while ((te = tis.getNextEntry()) != null) { |
| try { |
| File f = new File(dir, project.translatePath(te.getName())); |
| if (!overwrite && f.exists() |
| && f.lastModified() >= te.getModTime().getTime()) { |
| log("Skipping " + f + " as it is up-to-date", |
| Project.MSG_DEBUG); |
| continue; |
| } |
| |
| log("expanding " + te.getName() + " to "+ f, |
| Project.MSG_VERBOSE); |
| File dirF=new File(f.getParent()); |
| dirF.mkdirs(); |
| |
| if (te.isDirectory()) { |
| f.mkdirs(); |
| } else { |
| byte[] buffer = new byte[1024]; |
| int length = 0; |
| FileOutputStream fos = new FileOutputStream(f); |
| |
| while ((length = tis.read(buffer)) >= 0) { |
| fos.write(buffer, 0, length); |
| } |
| |
| fos.close(); |
| } |
| |
| if (project.getJavaVersion() != Project.JAVA_1_1) { |
| touch.setFile(f); |
| touch.setMillis(te.getModTime().getTime()); |
| touch.touch(); |
| } |
| |
| } catch(FileNotFoundException ex) { |
| log("FileNotFoundException: " + te.getName(), |
| Project.MSG_WARN); |
| } |
| } |
| } catch (IOException ioe) { |
| throw new BuildException("Error while expanding " + srcF.getPath(), |
| ioe, location); |
| } finally { |
| if (tis != null) { |
| try { |
| tis.close(); |
| } |
| catch (IOException e) {} |
| } |
| } |
| } |
| |
| /** |
| * Set the destination directory. File will be untared into the |
| * destination directory. |
| * |
| * @param d Path to the directory. |
| */ |
| public void setDest(File d) { |
| this.dest = d; |
| } |
| |
| /** |
| * Set the path to tar-file. |
| * |
| * @param s Path to tar-file. |
| */ |
| public void setSrc(File s) { |
| this.source = s; |
| } |
| |
| /** |
| * Should we overwrite files in dest, even if they are newer than |
| * the corresponding entries in the archive? |
| */ |
| public void setOverwrite(boolean b) { |
| overwrite = b; |
| } |
| |
| } |