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
26package anttasks;
27
28import java.io.File;
29import java.util.ArrayList;
30import java.util.Arrays;
31import java.util.List;
32
33import compileproperties.CompileProperties;
34import org.apache.tools.ant.BuildException;
35import org.apache.tools.ant.DirectoryScanner;
36import org.apache.tools.ant.Project;
37import org.apache.tools.ant.taskdefs.MatchingTask;
38import org.apache.tools.ant.types.Path;
39import org.apache.tools.ant.types.Resource;
40
41public 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}
109