1 /*
   2  * Copyright (c) 2007, 2014, 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 package anttasks;
  27 
  28 import java.io.File;
  29 import java.util.ArrayList;
  30 import java.util.Arrays;
  31 import java.util.List;
  32 
  33 import compileproperties.CompileProperties;
  34 import org.apache.tools.ant.BuildException;
  35 import org.apache.tools.ant.DirectoryScanner;
  36 import org.apache.tools.ant.Project;
  37 import org.apache.tools.ant.taskdefs.MatchingTask;
  38 import org.apache.tools.ant.types.Path;
  39 import org.apache.tools.ant.types.Resource;
  40 
  41 public class CompilePropertiesTask extends MatchingTask {
  42     public void addSrc(Path src) {
  43         if (srcDirs == null)
  44             srcDirs = new Path(getProject());
  45         srcDirs.add(src);
  46     }
  47 
  48     public void setDestDir(File destDir) {
  49         this.destDir = destDir;
  50     }
  51 
  52     public void setSuperclass(String superclass) {
  53         this.superclass = superclass;
  54     }
  55 
  56     @Override
  57     public void execute() {
  58         CompileProperties.Log log = new CompileProperties.Log() {
  59             public void error(String msg, Exception e) {
  60                 log(msg, Project.MSG_ERR);
  61             }
  62             public void info(String msg) {
  63                 log(msg, Project.MSG_INFO);
  64             }
  65             public void verbose(String msg) {
  66                 log(msg, Project.MSG_VERBOSE);
  67             }
  68         };
  69         List<String> mainOpts = new ArrayList<String>();
  70         int count = 0;
  71         for (String dir : srcDirs.list()) {
  72             File baseDir = getProject().resolveFile(dir);
  73             DirectoryScanner s = getDirectoryScanner(baseDir);
  74             for (String path: s.getIncludedFiles()) {
  75                 if (path.endsWith(".properties")) {
  76                     String destPath =
  77                             path.substring(0, path.length() - ".properties".length()) +
  78                             ".java";
  79                     File srcFile = new File(baseDir, path);
  80                     File destFile = new File(destDir, destPath);
  81                     // Arguably, the comparison in the next line should be ">", not ">="
  82                     // but that assumes the resolution of the last modified time is fine
  83                     // grained enough; in practice, it is better to use ">=".
  84                     if (destFile.exists() && destFile.lastModified() >= srcFile.lastModified())
  85                         continue;
  86                     destFile.getParentFile().mkdirs();
  87                     mainOpts.add("-compile");
  88                     mainOpts.add(srcFile.getPath());
  89                     mainOpts.add(destFile.getPath());
  90                     mainOpts.add(superclass);
  91                     count++;
  92                 }
  93             }
  94         }
  95         if (mainOpts.size() > 0) {
  96             log("Generating " + count + " resource files to " + destDir, Project.MSG_INFO);
  97             CompileProperties cp = new CompileProperties();
  98             cp.setLog(log);
  99             boolean ok = cp.run(mainOpts.toArray(new String[mainOpts.size()]));
 100             if (!ok)
 101                 throw new BuildException("CompileProperties failed.");
 102         }
 103     }
 104 
 105     private Path srcDirs;
 106     private File destDir;
 107     private String superclass = "java.util.ListResourceBundle";
 108 }