1 /*
   2  * Copyright (c) 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 propertiesparser.PropertiesParser;
  34 import propertiesparser.gen.ClassGenerator;
  35 import org.apache.tools.ant.BuildException;
  36 import org.apache.tools.ant.DirectoryScanner;
  37 import org.apache.tools.ant.Project;
  38 import org.apache.tools.ant.taskdefs.MatchingTask;
  39 import org.apache.tools.ant.types.Path;
  40 import org.apache.tools.ant.types.Resource;
  41 
  42 public class PropertiesParserTask extends MatchingTask {
  43     public void addSrc(Path src) {
  44         if (srcDirs == null)
  45             srcDirs = new Path(getProject());
  46         srcDirs.add(src);
  47     }
  48 
  49     public void setDestDir(File destDir) {
  50         this.destDir = destDir;
  51     }
  52 
  53     @Override
  54     public void execute() {
  55         List<String> mainOpts = new ArrayList<String>();
  56         int count = 0;
  57         for (String dir : srcDirs.list()) {
  58             File baseDir = getProject().resolveFile(dir);
  59             DirectoryScanner s = getDirectoryScanner(baseDir);
  60             for (String path : s.getIncludedFiles()) {
  61                 if (path.endsWith(".properties")) {
  62                     File srcFile = new File(baseDir, path);
  63                     String destPath =
  64                             path.substring(0, path.lastIndexOf(File.separator) + 1) +
  65                                     ClassGenerator.toplevelName(srcFile) + ".java";
  66                     File destFile = new File(this.destDir, destPath);
  67                     File destDir = destFile.getParentFile();
  68                     // Arguably, the comparison in the next line should be ">", not ">="
  69                     // but that assumes the resolution of the last modified time is fine
  70                     // grained enough; in practice, it is better to use ">=".
  71                     if (destFile.exists() && destFile.lastModified() >= srcFile.lastModified())
  72                         continue;
  73                     destDir.mkdirs();
  74                     mainOpts.add("-compile");
  75                     mainOpts.add(srcFile.getPath());
  76                     mainOpts.add(destDir.getPath());
  77                     count++;
  78                 }
  79             }
  80         }
  81         if (mainOpts.size() > 0) {
  82             log("Generating " + count + " resource files to " + destDir, Project.MSG_INFO);
  83             PropertiesParser pp = new PropertiesParser(msg -> log(msg, Project.MSG_INFO));
  84             boolean ok = pp.run(mainOpts.toArray(new String[mainOpts.size()]));
  85             if (!ok)
  86                 throw new BuildException("PropertiesParser failed.");
  87         }
  88     }
  89 
  90     private Path srcDirs;
  91     private File destDir;
  92 }