Determine the dependencies of the configured root classes.
// we get the root classes and build up a set of
// classes upon which they depend
Hashtable dependencies = new Hashtable();
Hashtable containers = new Hashtable();
Hashtable toAnalyze = new Hashtable();
for (Enumeration e = getRootClasses(); e.hasMoreElements();) {
String classname = (String) e.nextElement();
toAnalyze.put(classname, classname);
}
int count = 0;
int maxCount = isClosureRequired() ? MAX_LOOPS : 2;
while (toAnalyze.size() != 0 && count++ < maxCount) {
DependencyVisitor dependencyVisitor = new DependencyVisitor();
for (Enumeration e = toAnalyze.keys(); e.hasMoreElements();) {
String classname = (String) e.nextElement();
dependencies.put(classname, classname);
try {
File container = getClassContainer(classname);
if (container == null) {
continue;
}
containers.put(container, container);
ClassParser parser = null;
if (container.getName().endsWith(".class")) {
parser = new ClassParser(container.getPath());
} else {
parser = new ClassParser(container.getPath(),
classname.replace('.", '/") + ".class");
}
JavaClass javaClass = parser.parse();
DescendingVisitor traverser
= new DescendingVisitor(javaClass, dependencyVisitor);
traverser.visit();
} catch (IOException ioe) {
// ignore
}
}
toAnalyze.clear();
// now recover all the dependencies collected and add to the list.
Enumeration depsEnum = dependencyVisitor.getDependencies();
while (depsEnum.hasMoreElements()) {
String className = (String) depsEnum.nextElement();
if (!dependencies.containsKey(className)) {
toAnalyze.put(className, className);
}
}
}
files.removeAllElements();
for (Enumeration e = containers.keys(); e.hasMoreElements();) {
files.addElement((File) e.nextElement());
}
classes.removeAllElements();
for (Enumeration e = dependencies.keys(); e.hasMoreElements();) {
classes.addElement((String) e.nextElement());
}
