/*
* Copyright 2000,2002,2004 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 EJB support classes using WebLogic's ejbc tool from a directory containing
* a set of deployment descriptors.
*
*
* @author Conor MacNeill, Cortex ebusiness Pty Limited
*/
public class Ejbc extends MatchingTask {
/**
* The root directory of the tree containing the serialised deployment desciptors. The actual
* deployment descriptor files are selected using include and exclude constructs
* on the ejbc task provided by the MatchingTask superclass.
*/
private File descriptorDirectory;
/**
* The directory where generated files are placed.
*/
private File generatedFilesDirectory;
/**
* The name of the manifest file generated for the EJB jar.
*/
private File generatedManifestFile;
/**
* The classpath to be used in the weblogic ejbc calls. It must contain the weblogic
* classes <b>and</b> the implementation classes of the home and remote interfaces.
*/
private String classpath;
/**
* The source directory for the home and remote interfaces. This is used to determine if
* the generated deployment classes are out of date.
*/
private File sourceDirectory;
public boolean keepgenerated;
/**
* Do the work.
*
* The work is actually done by creating a separate JVM to run 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 someting 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");
}
if (sourceDirectory == null
|| !sourceDirectory.isDirectory()) {
throw new BuildException("src directory "
+ sourceDirectory.getPath() + " is not valid");
}
String systemClassPath = System.getProperty("java.class.path");
String execClassPath
= getProject().translatePath(systemClassPath + ":" + classpath
+ ":" + generatedFilesDirectory);
// get all the files in the descriptor directory
DirectoryScanner ds = super.getDirectoryScanner(descriptorDirectory);
String[] files = ds.getIncludedFiles();
Java helperTask = (Java) getProject().createTask("java");
helperTask.setTaskName(getTaskName());
helperTask.setFork(true);
helperTask.setClassname("org.apache.tools.ant.taskdefs.optional.ejb.EjbcHelper");
String args = "";
args += " " + descriptorDirectory;
args += " " + generatedFilesDirectory;
args += " " + sourceDirectory;
args += " " + generatedManifestFile;
args += " " + keepgenerated;
for (int i = 0; i < files.length; ++i) {
args += " " + files[i];
}
Commandline.Argument arguments = helperTask.createArg();
arguments.setLine(args);
helperTask.setClasspath(new Path(getProject(), execClassPath));
if (helperTask.executeJava() != 0) {
throw new BuildException("Execution of ejbc helper failed");
}
}
public boolean getKeepgenerated() {
return keepgenerated;
}
/**
* Set the directory from where the serialized deployment descriptors are
* to be read.
*
* @param dirName the name of the directory containing the serialised deployment descriptors.
*/
public void setDescriptors(String dirName) {
descriptorDirectory = new File(dirName);
}
/**
* Set the directory into which the support classes, RMI stubs, etc are to be written.
*
* @param dirName the name of the directory into which code is generated
*/
public void setDest(String dirName) {
generatedFilesDirectory = new File(dirName);
}
/**
* If true, ejbc will keep the
* intermediate Java files used to build the class files.
* This can be useful when debugging.
*/
public void setKeepgenerated(String newKeepgenerated) {
keepgenerated = Boolean.valueOf(newKeepgenerated.trim()).booleanValue();
}
/**
* Set the name of the generated manifest file.
*
* For each EJB that is processed an entry is created in this file. This can then be used
* to create a jar file for dploying the beans.
*
* @param manifestFilename the name of the manifest file to be generated.
*/
public void setManifest(String manifestFilename) {
generatedManifestFile = new File(manifestFilename);
}
/**
* Set the classpath to be used for this compilation.
*/
public void setClasspath(String s) {
this.classpath = getProject().translatePath(s);
}
/**
* Set the directory containing the source code for the home interface, remote interface
* and public key class definitions.
*
* @param dirName the directory containg the source tree for the EJB's interface classes.
*/
public void setSrc(String dirName) {
sourceDirectory = new File(dirName);
}
}