void unpackJars() throws BuildException {
// unpack in separate dirs, to allow multiple instances of the same
// resource from different jars.
int jarId = 0;
Iterator it = task.getLibs().iterator();
while (it.hasNext()) {
FileSet fs = (FileSet) it.next();
DirectoryScanner scanner = fs.getDirectoryScanner(task.getProject());
String[] files = scanner.getIncludedFiles();
Expand unjar = (Expand) task.createSubtask(Expand.class);
for (int i = 0; i < files.length; i++) {
File unpackDir = new File(scratchDir, jarId++ + "");
unpackDir.mkdirs();
unpackedJarDirs.add(unpackDir);
unjar.setDest(unpackDir);
unjar.setSrc(new File(scanner.getBasedir(), files[i]));
unjar.execute();
}
}
}
void createManifest() throws BuildException {
this.manifestFile = new File(scratchDir, "MANIFEST.MF");
Manifest.Attribute mainClass = new Manifest.Attribute();
mainClass.setName("Main-Class");
mainClass.setValue(task.getMainClass());
ManifestTask manifest = (ManifestTask) task.createSubtask(ManifestTask.class);
manifest.setFile(manifestFile);
try {
manifest.addConfiguredAttribute(mainClass);
} catch (ManifestException e) {
throw new BuildException("Manifest error", e);
}
manifest.execute();
}
void createFatJar() throws BuildException {
File fatJar = new File(baseDir, task.getName() + ".jar");
fatJar.delete();
Jar jar = (Jar) task.createSubtask(Jar.class);
jar.setDestFile(fatJar);
jar.setManifest(manifestFile);
Iterator it = unpackedJarDirs.iterator();
while (it.hasNext()) {
File jarDir = (File) it.next();
FileSet fs = new FileSet();
fs.setDir(jarDir);
jar.addFileset(fs);
}
jar.execute();
}
public void execute(JApplication task) throws BuildException {
this.task = task;
this.baseDir = task.getDestDir();
this.unpackedJarDirs = new ArrayList();
try {
executeInternal();
} finally {
// must clean the tempdir
if (!recursiveDelete(scratchDir)) {
throw new BuildException("Failed to clean up temp directory: " + scratchDir);
}
}
}
public static void main(String args[]) {
JApplication app = new JApplication();
app.Run();
}
