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 }