1 /*

     2  * Copyright (c) 2007, 2010, Oracle and/or its affiliates. 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.  Oracle designates this

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

     9  * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    22  * or visit www.oracle.com if you need additional information or have any

    23  * 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 CompilePropertiesTask 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 setSuperclass(String superclass) {

    45         this.superclass = superclass;

    46     }

    47 

    48     @Override

    49     public void execute() {

    50         CompileProperties.Log log = new CompileProperties.Log() {

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

    52                 log(msg, Project.MSG_ERR);

    53             }

    54             public void info(String msg) {

    55                 log(msg, Project.MSG_INFO);

    56             }

    57             public void verbose(String msg) {

    58                 log(msg, Project.MSG_VERBOSE);

    59             }

    60         };

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

    62         int count = 0;

    63         DirectoryScanner s = getDirectoryScanner(srcDir);

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

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

    66                 String destPath =

    67                         path.substring(0, path.length() - ".properties".length()) +

    68                         ".java";

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

    70                 File destFile = new File(destDir, destPath);

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

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

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

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

    75                     continue;

    76                 destFile.getParentFile().mkdirs();

    77                 mainOpts.add("-compile");

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

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

    80                 mainOpts.add(superclass);

    81                 count++;

    82             }

    83         }

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

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

    86             CompileProperties cp = new CompileProperties();

    87             cp.setLog(log);

    88             boolean ok = cp.run(mainOpts.toArray(new String[mainOpts.size()]));

    89             if (!ok)

    90                 throw new BuildException("CompileProperties failed.");

    91         }

    92     }

    93 

    94     private File srcDir;

    95     private File destDir;

    96     private String superclass = "java.util.ListResourceBundle";

    97 }