public void execute() {
if (!initialized) {
init();
}
if (subTarget == null) {
throw new BuildException("Attribute target is required.", location);
}
callee.setDir(project.getBaseDir());
callee.setAntfile(project.getProperty("ant.file"));
callee.setTarget(subTarget);
callee.setInheritAll(inheritAll);
callee.execute();
}