| /* |
| * 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.tools.ant.taskdefs.optional.ejb; |
| |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.ObjectInputStream; |
| import javax.ejb.deployment.DeploymentDescriptor; |
| |
| /** |
| * A helper class which performs the actual work of the ddcreator task. |
| * |
| * This class is run with a classpath which includes the weblogic tools and the home and remote |
| * interface class files referenced in the deployment descriptors being built. |
| * |
| */ |
| public final class DDCreatorHelper { |
| /** |
| * The root directory of the tree containing the textual deployment descriptors. |
| */ |
| private File descriptorDirectory; |
| |
| /** |
| * The directory where generated serialised deployment descriptors are written. |
| */ |
| private File generatedFilesDirectory; |
| |
| // CheckStyle:VisibilityModifier OFF - bc |
| /** |
| * The descriptor text files for which a serialised descriptor is to be created. |
| */ |
| String[] descriptors; |
| // CheckStyle:VisibilityModifier ON |
| |
| /** |
| * The main method. |
| * |
| * The main method creates an instance of the DDCreatorHelper, passing it the |
| * args which it then processes. |
| * @param args the arguments |
| * @throws Exception on error |
| */ |
| public static void main(String[] args) throws Exception { |
| DDCreatorHelper helper = new DDCreatorHelper(args); |
| helper.process(); |
| } |
| |
| /** |
| * Initialise the helper with the command arguments. |
| * |
| */ |
| private DDCreatorHelper(String[] args) { |
| int index = 0; |
| descriptorDirectory = new File(args[index++]); |
| generatedFilesDirectory = new File(args[index++]); |
| |
| descriptors = new String[args.length - index]; |
| for (int i = 0; index < args.length; ++i) { |
| descriptors[i] = args[index++]; |
| } |
| } |
| |
| /** |
| * Do the actual work. |
| * |
| * The work proceeds by examining each descriptor given. If the serialised |
| * file does not exist or is older than the text description, the weblogic |
| * DDCreator tool is invoked directly to build the serialised descriptor. |
| */ |
| private void process() throws Exception { |
| for (int i = 0; i < descriptors.length; ++i) { |
| String descriptorName = descriptors[i]; |
| File descriptorFile = new File(descriptorDirectory, descriptorName); |
| |
| int extIndex = descriptorName.lastIndexOf("."); |
| String serName = null; |
| if (extIndex != -1) { |
| serName = descriptorName.substring(0, extIndex) + ".ser"; |
| } else { |
| serName = descriptorName + ".ser"; |
| } |
| File serFile = new File(generatedFilesDirectory, serName); |
| |
| // do we need to regenerate the file |
| if (!serFile.exists() || serFile.lastModified() < descriptorFile.lastModified() |
| || regenerateSerializedFile(serFile)) { |
| |
| String[] args = {"-noexit", |
| "-d", serFile.getParent(), |
| "-outputfile", serFile.getName(), |
| descriptorFile.getPath()}; |
| try { |
| weblogic.ejb.utils.DDCreator.main(args); |
| } catch (Exception e) { |
| // there was an exception - run with no exit to get proper error |
| String[] newArgs = {"-d", generatedFilesDirectory.getPath(), |
| "-outputfile", serFile.getName(), |
| descriptorFile.getPath()}; |
| weblogic.ejb.utils.DDCreator.main(newArgs); |
| } |
| } |
| } |
| } |
| |
| /** |
| * EJBC will fail if the serialized descriptor file does not match the bean classes. |
| * You can test for this by trying to load the deployment descriptor. If it fails, |
| * the serialized file needs to be regenerated because the associated class files |
| * don't match. |
| */ |
| private boolean regenerateSerializedFile(File serFile) { |
| try { |
| |
| FileInputStream fis = new FileInputStream(serFile); |
| ObjectInputStream ois = new ObjectInputStream(fis); |
| DeploymentDescriptor dd = (DeploymentDescriptor) ois.readObject(); |
| fis.close(); |
| |
| // Since the descriptor read properly, everything should be o.k. |
| return false; |
| |
| } catch (Exception e) { |
| |
| // Weblogic will throw an error if the deployment descriptor does |
| // not match the class files. |
| return true; |
| |
| } |
| } |
| } |