jdk

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/*
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 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.  Oracle designates this
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 * particular file as subject to the "Classpath" exception as provided
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 * by Oracle in the LICENSE file that accompanied this code.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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package anttasks;
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import java.io.File;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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import propertiesparser.PropertiesParser;
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import propertiesparser.gen.ClassGenerator;
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import org.apache.tools.ant.BuildException;
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import org.apache.tools.ant.DirectoryScanner;
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import org.apache.tools.ant.Project;
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import org.apache.tools.ant.taskdefs.MatchingTask;
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import org.apache.tools.ant.types.Path;
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import org.apache.tools.ant.types.Resource;
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public class PropertiesParserTask extends MatchingTask {
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    public void addSrc(Path src) {
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        if (srcDirs == null)
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            srcDirs = new Path(getProject());
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        srcDirs.add(src);
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    }
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    public void setDestDir(File destDir) {
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        this.destDir = destDir;
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    }
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    @Override
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    public void execute() {
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        List<String> mainOpts = new ArrayList<String>();
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        int count = 0;
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        for (String dir : srcDirs.list()) {
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            File baseDir = getProject().resolveFile(dir);
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            DirectoryScanner s = getDirectoryScanner(baseDir);
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            for (String path : s.getIncludedFiles()) {
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                if (path.endsWith(".properties")) {
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                    File srcFile = new File(baseDir, path);
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                    String destPath =
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                            path.substring(0, path.lastIndexOf(File.separator) + 1) +
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                                    ClassGenerator.toplevelName(srcFile) + ".java";
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                    File destFile = new File(this.destDir, destPath);
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                    File destDir = destFile.getParentFile();
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                    // Arguably, the comparison in the next line should be ">", not ">="
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                    // but that assumes the resolution of the last modified time is fine
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                    // grained enough; in practice, it is better to use ">=".
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                    if (destFile.exists() && destFile.lastModified() >= srcFile.lastModified())
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                        continue;
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                    destDir.mkdirs();
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                    mainOpts.add("-compile");
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                    mainOpts.add(srcFile.getPath());
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                    mainOpts.add(destDir.getPath());
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                    count++;
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                }
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            }
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        }
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        if (mainOpts.size() > 0) {
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            log("Generating " + count + " resource files to " + destDir, Project.MSG_INFO);
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            PropertiesParser pp = new PropertiesParser(msg -> log(msg, Project.MSG_INFO));
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            boolean ok = pp.run(mainOpts.toArray(new String[mainOpts.size()]));
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            if (!ok)
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                throw new BuildException("PropertiesParser failed.");
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        }
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    }
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    private Path srcDirs;
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    private File destDir;
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}
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