com.carrotgarden.maven.image4j.Image4jMojoSingle Maven / Gradle / Ivy

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package com.carrotgarden.maven.image4j;

import java.awt.image.BufferedImage;
import java.io.File;

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 single
 * @phase generate-resources
 */
public class Image4jMojoSingle extends AbstractMojo {

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

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

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

		try {

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

			final BufferedImage source = ImageIO.read(this.source);

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

			ICOEncoder.write(source, 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;

	}

}