/*
* Copyright 2000-2004 The Apache Software Foundation
*
* 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.apache.tools.ant.taskdefs.optional.ejb;
import java.io.File;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.DirectoryScanner;
import org.apache.tools.ant.taskdefs.Java;
import org.apache.tools.ant.taskdefs.MatchingTask;
import org.apache.tools.ant.types.Commandline;
import org.apache.tools.ant.types.Path;
/**
* Builds a serialized deployment descriptor given a text file description of the
* descriptor in the format supported by WebLogic.
*
* This ant task is a front end for the weblogic DDCreator tool.
*
*/
public class DDCreator extends MatchingTask {
/**
* The root directory of the tree containing the textual deployment descriptors. The actual
* deployment descriptor files are selected using include and exclude constructs
* on the EJBC task, as supported by the MatchingTask superclass.
*/
private File descriptorDirectory;
/**
* The directory where generated serialised deployment descriptors are placed.
*/
private File generatedFilesDirectory;
/**
* The classpath to be used in the weblogic ejbc calls. It must contain the weblogic
* classes necessary fro DDCreator <b>and</b> the implementation classes of the
* home and remote interfaces.
*/
private String classpath;
/**
* Do the work.
*
* The work is actually done by creating a helper task. This approach allows
* the classpath of the helper task to be set. Since the weblogic tools require
* the class files of the project's home and remote interfaces to be available in
* the classpath, this also avoids having to start ant with the class path of the
* project it is building.
*
* @exception BuildException if something goes wrong with the build
*/
public void execute() throws BuildException {
if (descriptorDirectory == null
|| !descriptorDirectory.isDirectory()) {
throw new BuildException("descriptors directory "
+ descriptorDirectory.getPath() + " is not valid");
}
if (generatedFilesDirectory == null
|| !generatedFilesDirectory.isDirectory()) {
throw new BuildException("dest directory "
+ generatedFilesDirectory.getPath() + " is not valid");
}
String args = descriptorDirectory + " " + generatedFilesDirectory;
// get all the files in the descriptor directory
DirectoryScanner ds = super.getDirectoryScanner(descriptorDirectory);
String[] files = ds.getIncludedFiles();
for (int i = 0; i < files.length; ++i) {
args += " " + files[i];
}
String systemClassPath = System.getProperty("java.class.path");
String execClassPath = getProject().translatePath(systemClassPath + ":" + classpath);
Java ddCreatorTask = (Java) getProject().createTask("java");
ddCreatorTask.setTaskName(getTaskName());
ddCreatorTask.setFork(true);
ddCreatorTask.setClassname("org.apache.tools.ant.taskdefs.optional.ejb.DDCreatorHelper");
Commandline.Argument arguments = ddCreatorTask.createArg();
arguments.setLine(args);
ddCreatorTask.setClasspath(new Path(getProject(), execClassPath));
if (ddCreatorTask.executeJava() != 0) {
throw new BuildException("Execution of ddcreator helper failed");
}
}
/**
* Set the directory from where the text descriptions of the deployment descriptors are
* to be read.
*
* @param dirName the name of the directory containing the text deployment descriptor files.
*/
public void setDescriptors(String dirName) {
descriptorDirectory = new File(dirName);
}
/**
* Set the directory into which the serialized deployment descriptors are to
* be written.
*
* @param dirName the name of the directory into which the serialised deployment
* descriptors are written.
*/
public void setDest(String dirName) {
generatedFilesDirectory = new File(dirName);
}
/**
* Set the classpath to be used for this compilation.
*
* @param s the classpath to use for the ddcreator tool.
*/
public void setClasspath(String s) {
this.classpath = getProject().translatePath(s);
}
}