org.nuiton.jaxx.plugin.AbstractJaxxMojo Maven / Gradle / Ivy

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Maven 2 plugin to generate java sources from JAXX files.
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/*
 * #%L
 * JAXX :: Maven plugin
 * %%
 * Copyright (C) 2008 - 2017 CodeLutin
 * %%
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as 
 * published by the Free Software Foundation, either version 3 of the 
 * License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Lesser Public License for more details.
 * 
 * You should have received a copy of the GNU General Lesser Public 
 * License along with this program.  If not, see
 * .
 * #L%
 */
package org.nuiton.jaxx.plugin;

import org.apache.maven.plugins.annotations.Parameter;
import org.apache.maven.project.MavenProject;
import org.nuiton.io.MirroredFileUpdater;
import org.nuiton.plugin.AbstractPlugin;
import org.nuiton.plugin.PluginWithEncoding;
import org.nuiton.util.FileUtil;

import java.io.File;

/**
 * Abstract Jaxx Mojo.
 *
 * @author Tony Chemit - [email protected]
 * @since 1.3
 */
public abstract class AbstractJaxxMojo extends AbstractPlugin implements PluginWithEncoding {

    public abstract File getTargetDirectory();

    public abstract void setTargetDirectory(File targetDirectory);

    /** Current maven project. */
    @Parameter(defaultValue = "${project}", readonly = true)
    private MavenProject project;

    /**
     * Encoding used for file generation.
     *
     * Note: If nothing is filled here, we will use the system
     * property {@code file.encoding}.
     *
     * @since 2.0.0
     */
    @Parameter(property = "jaxx.encoding", defaultValue = "${project.build.sourceEncoding}")
    private String encoding;

    /**
     * Verbose flag.
     *
     * @since 1.3
     */
    @Parameter(property = "jaxx.verbose", defaultValue = "false")
    private boolean verbose;

    /**
     * To force generation of java source for any jaxx files with no timestamp checking.
     *
     * By default, never force generation.
     */
    @Parameter(property = "jaxx.force", defaultValue = "false")
    private boolean force;

    /**
     * Flag to activate help id detection while parsing jaxx files.
     *
     * By default, not active.
     *
     * @since 1.3
     */
    @Parameter(property = "jaxx.generateHelp", defaultValue = "false")
    protected boolean generateHelp;

    @Override
    protected boolean checkPackaging() {
        // not accept pom modules
        return hasClassPath();
    }

    @Override
    public MavenProject getProject() {
        return project;
    }

    @Override
    public boolean isVerbose() {
        return verbose;
    }

    @Override
    public void setProject(MavenProject project) {
        this.project = project;
    }

    @Override
    public void setVerbose(boolean verbose) {
        this.verbose = verbose;
    }

    @Override
    public String getEncoding() {
        return encoding;
    }

    @Override
    public void setEncoding(String encoding) {
        this.encoding = encoding;
    }

    public boolean isForce() {
        return force;
    }

    public void setForce(boolean force) {
        this.force = force;
    }

    class GetLastModifiedFileAction implements FileUtil.FileAction {

        protected File lastFile;

        public GetLastModifiedFileAction(File lastFile) {
            this.lastFile = lastFile;
        }

        @Override
        public boolean doAction(File f) {

            if (f.lastModified() > lastFile.lastModified()) {
                lastFile = f;
            }
            return true;
        }

        public File getLastFile() {
            return lastFile;
        }
    }

    protected Long getLastModified(File dir) {
        if (!dir.exists()) {
            return null;
        }
        GetLastModifiedFileAction fileAction =
                new GetLastModifiedFileAction(dir);
        FileUtil.walkAfter(dir, fileAction);
        return fileAction.getLastFile().lastModified();
    }

    /**
     * To test if a jaxx source (or his css ) file is newser than his generated
     * java source file.
     *
     * @author Tony Chemit - [email protected]
     * @since 2.0.2
     */
    public static class JaxxFileUpdater extends MirroredFileUpdater {

        protected JaxxFileUpdater(String cssExtension, File sourceDirectory, File destinationDirectory) {
            super(".jaxx|*." + cssExtension, ".java", sourceDirectory, destinationDirectory);
        }

        @Override
        public File getMirrorFile(File f) {
            String file = f.getAbsolutePath().substring(prefixSourceDirecotory);
            String extension = FileUtil.extension(f);
            String mirrorRelativePath = file.substring(0, file.length() - extension.length()) + "java";
            return new File(destinationDirectory + File.separator + mirrorRelativePath);
        }
    }
}