private static String[] findStandardMBeans(URL codeBase) throws Exception {
Set<String> names;
if (codeBase.getProtocol().equalsIgnoreCase("file") && codeBase.toString().endsWith("/"))
names = findStandardMBeansFromDir(codeBase);
else names = findStandardMBeansFromJar(codeBase);
Set<String> standardMBeanNames = new TreeSet<String>();
for (String name : names) {
if (name.endsWith("MBean")) {
String prefix = name.substring(0, name.length() - 5);
if (names.contains(prefix)) standardMBeanNames.add(prefix);
}
}
return standardMBeanNames.toArray(new String[0]);
}
private static Set<String> findStandardMBeansFromJar(URL codeBase) throws Exception {
InputStream is = codeBase.openStream();
JarInputStream jis = new JarInputStream(is);
Set<String> names = new TreeSet<String>();
JarEntry entry;
while ((entry = jis.getNextJarEntry()) != null) {
String name = entry.getName();
if (!name.endsWith(".class")) continue;
name = name.substring(0, name.length() - 6);
name = name.replace('/', '.');
names.add(name);
}
return names;
}
private static Set<String> findStandardMBeansFromDir(URL codeBase) throws Exception {
File dir = new File(new URI(codeBase.toString()));
Set<String> names = new TreeSet<String>();
scanDir(dir, "", names);
return names;
}