return null;
}
protected void changePackageId(Package pkg, String oldId, String newId) {
XPDLHandler xpdlhandler = JaWEManager.getInstance().getXPDLHandler();
xpdlhandler.changePackageId(pkg, oldId, newId);
}
protected void updateExternalPackagesRelativePaths(Package pkg, String newFilename) {
XPDLHandler xpdlhandler = JaWEManager.getInstance().getXPDLHandler();
File f = new File(newFilename);