com.carrotgarden.maven.image4j.Image4jMojoMultiple.java Source code

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Here is the source code for com.carrotgarden.maven.image4j.Image4jMojoMultiple.java

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/**
 * Copyright (C) 2010-2012 Andrei Pozolotin <Andrei.Pozolotin@gmail.com>
 *
 * All rights reserved. Licensed under the OSI BSD License.
 *
 * http://www.opensource.org/licenses/bsd-license.php
 */
package com.carrotgarden.maven.image4j;

import java.awt.image.BufferedImage;
import java.io.File;
import java.util.LinkedList;
import java.util.List;

import javax.imageio.ImageIO;

import net.sf.image4j.codec.ico.ICOEncoder;

import org.apache.maven.plugin.AbstractMojo;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugin.MojoFailureException;

/**
 * 
 * @goal multiple
 * @phase generate-resources
 * 
 */
public class Image4jMojoMultiple extends AbstractMojo {

    /**
     * @parameter
     * @required
     */
    protected List<File> sources;

    /**
     * @parameter
     * @required
     */
    protected File target;

    /**
     * {@inheritDoc}
     */
    @Override
    public void execute() throws MojoExecutionException, MojoFailureException {

        try {

            getLog().info("image4j : sources = " + sources);
            getLog().info("image4j : target = " + target);

            final List<BufferedImage> sources = new LinkedList<BufferedImage>();

            for (final File file : this.sources) {
                final BufferedImage source = ImageIO.read(file);
                sources.add(source);
            }

            this.target.getParentFile().mkdirs();

            ICOEncoder.write(sources, this.target);

        } catch (final Throwable exception) {

            throw new MojoExecutionException("image4j: convert failed", exception);

        }

    }

    protected String getFileExtension(final File file) {

        final String name = file.getName();

        final int pos = name.lastIndexOf('.');

        final String extension = name.substring(pos + 1);

        return extension;

    }

}