jatoo.maven.plugin.set_license.SetLicenseFileMojo.java Source code

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Here is the source code for jatoo.maven.plugin.set_license.SetLicenseFileMojo.java

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/*
 * Copyright (C) Cristian Sulea ( http://cristian.sulea.net )
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *     http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package jatoo.maven.plugin.set_license;

import java.io.File;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URISyntaxException;
import java.net.URL;

import org.apache.commons.io.FileUtils;
import org.apache.maven.plugin.AbstractMojo;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugin.MojoFailureException;
import org.apache.maven.plugin.logging.Log;
import org.apache.maven.plugins.annotations.Component;
import org.apache.maven.plugins.annotations.Mojo;
import org.apache.maven.plugins.annotations.Parameter;
import org.apache.maven.project.MavenProject;

/**
 * The {@link Mojo} for <code>file</code> goal.
 * 
 * @author <a href="http://cristian.sulea.net" rel="author">Cristian Sulea</a>
 * @version 3.0, May 17, 2017
 */
@Mojo(name = "file")
public class SetLicenseFileMojo extends AbstractMojo {

    /** The license to be used, a sub-folder in the 'licenses' folder. */
    @Parameter
    private String license;

    /** The file containing the license to be copied. */
    @Parameter
    private File licenseFile;

    /** Project the plugin is called from. */
    @Component
    private MavenProject project;

    @Override
    public final void execute() throws MojoExecutionException, MojoFailureException {
        final Log log = getLog();

        final URL licenseResource;

        if (license == null) {

            if (licenseFile == null) {
                throw new MojoExecutionException("both parameters 'license' and 'licenseFile' are missing");
            }

            try {
                licenseResource = licenseFile.toURI().toURL();
            } catch (MalformedURLException e) {
                throw new MojoExecutionException("error getting license file (" + licenseFile + ")", e);
            }
        }

        else {
            try {
                licenseResource = getClass().getResource("licenses/" + license + "/LICENSE").toURI().toURL();
            } catch (MalformedURLException | URISyntaxException e) {
                throw new MojoExecutionException("error getting license (" + license + ")", e);
            }
        }

        log.info("setting license file:");
        log.info("from: " + licenseResource);
        log.info("to:   " + new File(project.getBasedir(), "LICENSE").getAbsolutePath());

        try {
            FileUtils.copyURLToFile(licenseResource, new File(project.getBasedir(), "LICENSE"));
        } catch (IOException e) {
            throw new MojoExecutionException("error copying license file", e);
        }
    }
}