/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements.  See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You 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.apache.pluto.maven;import java.io.File;import org.apache.maven.plugin.AbstractMojo;import org.apache.maven.plugin.MojoExecutionException;import org.apache.maven.project.MavenProject;/** * @todo Document * @since Jul 30, 2005 */public abstract class AbstractPlutoMojo extends AbstractMojo {    /**     * @parameter expression="${installDir}"     */    protected File installationDirectory;    /**     * @parameter expression="${project}"     * @required     * @readonly     */    protected MavenProject project;    public void execute() throws MojoExecutionException {        // Validation of the installDir property is done by maven.        try {            doValidate();            doExecute();        } catch (MojoExecutionException ex) {            throw ex;        } catch (Exception ex) {            throw new MojoExecutionException("Error Installing Pluto", ex);        }    }    /**     * Process the actual execution.     * @throws Exception     */    protected abstract void doExecute() throws Exception;    protected abstract void doValidate() throws Exception;}