| /* |
| * 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.openjpa.tools.maven; |
| |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.sql.SQLException; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| import javax.persistence.Entity; |
| |
| import org.apache.maven.plugin.MojoExecutionException; |
| import org.apache.maven.plugin.MojoFailureException; |
| import org.apache.maven.plugins.annotations.Parameter; |
| import org.apache.openjpa.enhance.PersistenceCapable; |
| import org.apache.openjpa.jdbc.conf.JDBCConfiguration; |
| import org.apache.openjpa.jdbc.conf.JDBCConfigurationImpl; |
| import org.apache.openjpa.jdbc.meta.MappingTool; |
| import org.apache.openjpa.lib.conf.Configurations; |
| import org.apache.openjpa.lib.meta.ClassArgParser; |
| import org.apache.openjpa.lib.util.Options; |
| import org.apache.openjpa.meta.MetaDataRepository; |
| import org.codehaus.plexus.util.FileUtils; |
| |
| /** |
| * Processes Application model classes and generate the DDL by running the |
| * OpenJPA MappingTool. |
| * |
| * We have to split the generation of the SQL files and the mapping info |
| * into 2 separate mojos, since the MappingTool struggles to generate both |
| * in one step. |
| * |
| * @version $Id$ |
| * @since 1.0 |
| */ |
| public abstract class AbstractOpenJpaMappingToolMojo extends AbstractOpenJpaMojo { |
| /** |
| * Argument to specify the action to take on each class. The available actions are: |
| * buildSchema, validate |
| */ |
| @Parameter |
| protected String action; |
| /** |
| * used for passing the action parameter to the mapping tool |
| */ |
| protected static final String OPTION_ACTION = "action"; |
| |
| /** |
| * {@inheritDoc} |
| * |
| * @see org.apache.maven.plugin.Mojo#execute() |
| */ |
| public void execute() throws MojoExecutionException, MojoFailureException { |
| if (skipMojo()) { |
| return; |
| } |
| |
| if (!getEntityClasses().exists()) { |
| FileUtils.mkdir(getEntityClasses().getAbsolutePath()); |
| } |
| |
| List<File> entities = findEntityClassFiles(); |
| |
| mappingTool(entities); |
| } |
| |
| /** |
| * Processes a list of class file resources and perform the proper |
| * mapping action. |
| * |
| * @param files class file resources to map. |
| * @throws MojoExecutionException if the MappingTool detected an error |
| */ |
| private void mappingTool(List<File> files) throws MojoExecutionException { |
| extendRealmClasspath(); |
| |
| Options opts = getOptions(); |
| |
| filterPersistenceCapable(files, opts); |
| |
| // list of input files |
| final String[] args = getFilePaths(files); |
| |
| boolean ok = Configurations.runAgainstAllAnchors(opts, |
| new Configurations.Runnable() { |
| public boolean run(Options opts) throws IOException, SQLException { |
| JDBCConfiguration conf = new JDBCConfigurationImpl(); |
| try { |
| return MappingTool.run(conf, args, opts, Thread.currentThread().getContextClassLoader()); |
| } finally { |
| conf.close(); |
| } |
| } |
| } |
| ); |
| |
| if (!ok) { |
| throw new MojoExecutionException("The OpenJPA MappingTool detected an error!"); |
| } |
| |
| } |
| |
| /** |
| * Filter out all classes which are not PersistenceCapable. |
| * This is needed since the MappingTool fails if it gets non-persistent capable classes. |
| * |
| * @param files List with classPath Files; non persistence classes will be removed |
| * @param opts filled configuration Options |
| */ |
| private void filterPersistenceCapable(List<File> files, Options opts) { |
| JDBCConfiguration conf = new JDBCConfigurationImpl(); |
| Configurations.populateConfiguration(conf, opts); |
| MetaDataRepository repo = conf.newMetaDataRepositoryInstance(); |
| ClassArgParser cap = repo.getMetaDataFactory().newClassArgParser(); |
| |
| Iterator<File> fileIt = files.iterator(); |
| while (fileIt.hasNext()) { |
| File classPath = fileIt.next(); |
| |
| Class[] classes = cap.parseTypes(classPath.getAbsolutePath()); |
| |
| if (classes == null) { |
| getLog().info("Found no classes for " + classPath.getAbsolutePath()); |
| } else { |
| for (int i = 0; i < classes.length; i++) { |
| Class<?> cls = classes[i]; |
| |
| if (cls.getAnnotation(Entity.class) != null) { |
| getLog().debug("Found @Entity in class " + classPath); |
| } else if (implementsPersistenceCapable(cls)) { |
| getLog().debug("Found class " + classPath + " that implements interface " |
| + PersistenceCapable.class.getName()); |
| } else { |
| getLog().debug("Removing non-entity class " + classPath); |
| fileIt.remove(); |
| } |
| } |
| } |
| } |
| } |
| |
| |
| /** |
| * @param cls the Class to check |
| * @return <code>true</code> if the given Class cls implements the interface {@link PersistenceCapable} |
| */ |
| private boolean implementsPersistenceCapable(Class<?> cls) { |
| boolean isPersistenceCapable = false; |
| Class<?>[] interfaces = cls.getInterfaces(); |
| for (int i = 0; i < interfaces.length; i++) { |
| if (interfaces[i].getName().equals(PersistenceCapable.class.getName())) { |
| isPersistenceCapable = true; |
| break; |
| } |
| } |
| |
| return isPersistenceCapable; |
| } |
| |
| } |