1 /*

     2  * Copyright 2007 Sun Microsystems, Inc.  All Rights Reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.  Sun designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Sun in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

    17  * You should have received a copy of the GNU General Public License version

    18  * 2 along with this work; if not, write to the Free Software Foundation,

    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20  *

    21  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    22  * CA 95054 USA or visit www.sun.com if you need additional information or

    23  * have any questions.

    24  */

    25 

    26 import java.io.File;

    27 import java.util.ArrayList;

    28 import java.util.List;

    29 

    30 import org.apache.tools.ant.BuildException;

    31 import org.apache.tools.ant.DirectoryScanner;

    32 import org.apache.tools.ant.Project;

    33 import org.apache.tools.ant.taskdefs.MatchingTask;

    34 

    35 public class StripPropertiesTask extends MatchingTask {

    36     public void setSrcDir(File srcDir) {

    37         this.srcDir = srcDir;

    38     }

    39 

    40     public void setDestDir(File destDir) {

    41         this.destDir = destDir;

    42     }

    43 

    44     public void execute() {

    45         StripProperties.Log log = new StripProperties.Log() {

    46             public void error(String msg, Exception e) {

    47                 log(msg, Project.MSG_ERR);

    48             }

    49             public void info(String msg) {

    50                 log(msg, Project.MSG_INFO);

    51             }

    52             public void verbose(String msg) {

    53                 log(msg, Project.MSG_VERBOSE);

    54             }

    55         };

    56         List<String> mainOpts = new ArrayList<String>();

    57         int count = 0;

    58         DirectoryScanner s = getDirectoryScanner(srcDir);

    59         for (String path: s.getIncludedFiles()) {

    60             if (path.endsWith(".properties")) {

    61                 File srcFile = new File(srcDir, path);

    62                 File destFile = new File(destDir, path);

    63                 // Arguably, the comparison in the next line should be ">", not ">="

    64                 // but that assumes the resolution of the last modified time is fine

    65                 // grained enough; in practice, it is better to use ">=".

    66                 if (destFile.exists() && destFile.lastModified() >= srcFile.lastModified())

    67                     continue;

    68                 destFile.getParentFile().mkdirs();

    69                 mainOpts.add("-strip");

    70                 mainOpts.add(srcFile.getPath());

    71                 mainOpts.add(destFile.getPath());

    72                 count++;

    73             }

    74         }

    75         if (mainOpts.size() > 0) {

    76             log("Generating " + count + " resource files to " + destDir, Project.MSG_INFO);

    77             StripProperties sp = new StripProperties();

    78             sp.setLog(log);

    79             boolean ok = sp.run((String[])mainOpts.toArray(new String[mainOpts.size()]));

    80             if (!ok)

    81                 throw new BuildException("StripProperties failed.");

    82         }

    83     }

    84 

    85     private File srcDir;

    86     private File destDir;

    87 }