/** @throws IOException */
public void createJar() throws IOException {
Manifest manifest = new Manifest();
setDefaultAttributes(metaInfAttributes);
for (String attrName : metaInfAttributes.keySet()) {
manifest.getMainAttributes().putValue(attrName, metaInfAttributes.get(attrName));
}
removeOldJar();
if (unpackaged) {
for (File inputDir : inputDirectory) {
FileUtils.copyFilesFromDir(inputDir, outputFile, getIncludes(), getExcludes());
}
File metaInfDir = new File(outputFile, "META-INF");
metaInfDir.mkdirs();
manifest.write(new FileOutputStream(new File(metaInfDir, "MANIFEST.MF")));
} else {
File parentFile = outputFile.getParentFile();
if (parentFile != null && !parentFile.exists()) {
parentFile.mkdirs();
}
JarOutputStream target = new JarOutputStream(new FileOutputStream(outputFile), manifest);
if (inputDirectory != null) {
Set<String> added = new HashSet<String>();
for (File inputDir : inputDirectory) {
addFile(inputDir, target, inputDir.getCanonicalPath().length(), added);
}
}
target.close();
}
}
/**
* Removes the old generated jar if it exists.
*
* @throws IOException
*/
private void removeOldJar() throws IOException {
if (outputFile.exists()) {
if (outputFile.isDirectory()) {
if (!FileUtils.recursiveDelete(outputFile)) {
throw new IOException("Could not delete file [" + outputFile.getAbsolutePath() + "]");
}
} else {
if (!outputFile.delete()) {
throw new IOException("Could not delete file [" + outputFile.getAbsolutePath() + "]");
}
}
}
}