[14627] | 1 | /*
|
---|
| 2 | * Copyright 2000-2004 The Apache Software Foundation
|
---|
| 3 | *
|
---|
| 4 | * Licensed under the Apache License, Version 2.0 (the "License");
|
---|
| 5 | * you may not use this file except in compliance with the License.
|
---|
| 6 | * You may obtain a copy of the License at
|
---|
| 7 | *
|
---|
| 8 | * http://www.apache.org/licenses/LICENSE-2.0
|
---|
| 9 | *
|
---|
| 10 | * Unless required by applicable law or agreed to in writing, software
|
---|
| 11 | * distributed under the License is distributed on an "AS IS" BASIS,
|
---|
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
---|
| 13 | * See the License for the specific language governing permissions and
|
---|
| 14 | * limitations under the License.
|
---|
| 15 | *
|
---|
| 16 | */
|
---|
| 17 | package org.apache.tools.ant.taskdefs.optional.ejb;
|
---|
| 18 |
|
---|
| 19 | import java.io.File;
|
---|
| 20 | import java.io.FileInputStream;
|
---|
| 21 | import java.io.ObjectInputStream;
|
---|
| 22 | import javax.ejb.deployment.DeploymentDescriptor;
|
---|
| 23 |
|
---|
| 24 | /**
|
---|
| 25 | * A helper class which performs the actual work of the ddcreator task.
|
---|
| 26 | *
|
---|
| 27 | * This class is run with a classpath which includes the weblogic tools and the home and remote
|
---|
| 28 | * interface class files referenced in the deployment descriptors being built.
|
---|
| 29 | *
|
---|
| 30 | */
|
---|
| 31 | public class DDCreatorHelper {
|
---|
| 32 | /**
|
---|
| 33 | * The root directory of the tree containing the textual deployment descriptors.
|
---|
| 34 | */
|
---|
| 35 | private File descriptorDirectory;
|
---|
| 36 |
|
---|
| 37 | /**
|
---|
| 38 | * The directory where generated serialised deployment descriptors are written.
|
---|
| 39 | */
|
---|
| 40 | private File generatedFilesDirectory;
|
---|
| 41 |
|
---|
| 42 | /**
|
---|
| 43 | * The descriptor text files for which a serialised descriptor is to be created.
|
---|
| 44 | */
|
---|
| 45 | String[] descriptors;
|
---|
| 46 |
|
---|
| 47 | /**
|
---|
| 48 | * The main method.
|
---|
| 49 | *
|
---|
| 50 | * The main method creates an instance of the DDCreatorHelper, passing it the
|
---|
| 51 | * args which it then processes.
|
---|
| 52 | */
|
---|
| 53 | public static void main(String[] args) throws Exception {
|
---|
| 54 | DDCreatorHelper helper = new DDCreatorHelper(args);
|
---|
| 55 | helper.process();
|
---|
| 56 | }
|
---|
| 57 |
|
---|
| 58 | /**
|
---|
| 59 | * Initialise the helper with the command arguments.
|
---|
| 60 | *
|
---|
| 61 | */
|
---|
| 62 | private DDCreatorHelper(String[] args) {
|
---|
| 63 | int index = 0;
|
---|
| 64 | descriptorDirectory = new File(args[index++]);
|
---|
| 65 | generatedFilesDirectory = new File(args[index++]);
|
---|
| 66 |
|
---|
| 67 | descriptors = new String[args.length - index];
|
---|
| 68 | for (int i = 0; index < args.length; ++i) {
|
---|
| 69 | descriptors[i] = args[index++];
|
---|
| 70 | }
|
---|
| 71 | }
|
---|
| 72 |
|
---|
| 73 | /**
|
---|
| 74 | * Do the actual work.
|
---|
| 75 | *
|
---|
| 76 | * The work proceeds by examining each descriptor given. If the serialised
|
---|
| 77 | * file does not exist or is older than the text description, the weblogic
|
---|
| 78 | * DDCreator tool is invoked directly to build the serialised descriptor.
|
---|
| 79 | */
|
---|
| 80 | private void process() throws Exception {
|
---|
| 81 | for (int i = 0; i < descriptors.length; ++i) {
|
---|
| 82 | String descriptorName = descriptors[i];
|
---|
| 83 | File descriptorFile = new File(descriptorDirectory, descriptorName);
|
---|
| 84 |
|
---|
| 85 | int extIndex = descriptorName.lastIndexOf(".");
|
---|
| 86 | String serName = null;
|
---|
| 87 | if (extIndex != -1) {
|
---|
| 88 | serName = descriptorName.substring(0, extIndex) + ".ser";
|
---|
| 89 | } else {
|
---|
| 90 | serName = descriptorName + ".ser";
|
---|
| 91 | }
|
---|
| 92 | File serFile = new File(generatedFilesDirectory, serName);
|
---|
| 93 |
|
---|
| 94 | // do we need to regenerate the file
|
---|
| 95 | if (!serFile.exists() || serFile.lastModified() < descriptorFile.lastModified()
|
---|
| 96 | || regenerateSerializedFile(serFile)) {
|
---|
| 97 |
|
---|
| 98 | String[] args = {"-noexit",
|
---|
| 99 | "-d", serFile.getParent(),
|
---|
| 100 | "-outputfile", serFile.getName(),
|
---|
| 101 | descriptorFile.getPath()};
|
---|
| 102 | try {
|
---|
| 103 | weblogic.ejb.utils.DDCreator.main(args);
|
---|
| 104 | } catch (Exception e) {
|
---|
| 105 | // there was an exception - run with no exit to get proper error
|
---|
| 106 | String[] newArgs = {"-d", generatedFilesDirectory.getPath(),
|
---|
| 107 | "-outputfile", serFile.getName(),
|
---|
| 108 | descriptorFile.getPath()};
|
---|
| 109 | weblogic.ejb.utils.DDCreator.main(newArgs);
|
---|
| 110 | }
|
---|
| 111 | }
|
---|
| 112 | }
|
---|
| 113 | }
|
---|
| 114 |
|
---|
| 115 | /**
|
---|
| 116 | * EJBC will fail if the serialized descriptor file does not match the bean classes.
|
---|
| 117 | * You can test for this by trying to load the deployment descriptor. If it fails,
|
---|
| 118 | * the serialized file needs to be regenerated because the associated class files
|
---|
| 119 | * don't match.
|
---|
| 120 | */
|
---|
| 121 | private boolean regenerateSerializedFile(File serFile) {
|
---|
| 122 | try {
|
---|
| 123 |
|
---|
| 124 | FileInputStream fis = new FileInputStream(serFile);
|
---|
| 125 | ObjectInputStream ois = new ObjectInputStream(fis);
|
---|
| 126 | DeploymentDescriptor dd = (DeploymentDescriptor) ois.readObject();
|
---|
| 127 | fis.close();
|
---|
| 128 |
|
---|
| 129 | // Since the descriptor read properly, everything should be o.k.
|
---|
| 130 | return false;
|
---|
| 131 |
|
---|
| 132 | } catch (Exception e) {
|
---|
| 133 |
|
---|
| 134 | // Weblogic will throw an error if the deployment descriptor does
|
---|
| 135 | // not match the class files.
|
---|
| 136 | return true;
|
---|
| 137 |
|
---|
| 138 | }
|
---|
| 139 | }
|
---|
| 140 | }
|
---|