/*
 * Copyright (C) 2012 the original author or authors.
 *
 * 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 org.codehaus.gmavenplus.mojo;

import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugin.MojoFailureException;
import org.apache.maven.shared.model.fileset.FileSet;


/**
 * This mojo adds Groovy sources to the project's sources.
 *
 * @author Keegan Witt
 * @since 1.0-beta-1
 *
 * @phase initialize
 * @goal addSources
 * @executionStrategy always
 * @requiresDirectInvocation false
 * @threadSafe
 */
public class AddSourcesMojo extends AbstractGroovySourcesMojo {

    /**
     * Executes this mojo.
     *
     * @throws MojoExecutionException If an unexpected problem occurs. Throwing this exception causes a "BUILD ERROR" message to be displayed
     * @throws MojoFailureException If an expected problem (such as a compilation failure) occurs. Throwing this exception causes a "BUILD FAILURE" message to be displayed
     */
    public void execute() throws MojoExecutionException, MojoFailureException {
        for (FileSet source : getSourceRoots()) {
            addSourcePath(source.getDirectory());
        }
    }

    /**
     * Adds the specified source path to the project's main compile sources.
     *
     * @param path The source path to add to the project's main compile sources
     */
    protected void addSourcePath(final String path) {
        if (!project.getCompileSourceRoots().contains(path)) {
            if (getLog().isDebugEnabled()) {
                getLog().debug("Added source directory: " + path);
            }
            project.addCompileSourceRoot(path);
        }
    }

}
