@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {
resp.setStatus(HttpServletResponse.SC_OK);
PrintWriter writer = resp.getWriter();
Map<String, CommandProvider> cmds = getCommands(context);
for (CommandProvider commandProvider : cmds.values()) {
writer.append(commandProvider.getHelp());
}
}
@Override
public Object execute(String cmd) {
String methodName = commandKey(cmd);
Map<String, CommandProvider> commands = getCommands(context);
CommandProvider commandProvider = commands.get(methodName);
Class<?> providerClass = commandProvider.getClass();
Object toReturn = null;
try {
Method method = providerClass.getMethod(methodName, CommandInterpreter.class);
toReturn = method.invoke(commandProvider, this);
} catch (Exception ex) {
print(ex);
}
return toReturn;
}
private static Map<String, CommandProvider> getCommands(BundleContext context) {
Map<String, CommandProvider> data = new HashMap<String, CommandProvider>();
ServiceTracker<CommandProvider, CommandProvider> tracker =
new ServiceTracker<CommandProvider, CommandProvider>(context, CommandProvider.class, null);
tracker.open(true);
try {
Object[] services = tracker.getServices();
for (Object service : services) {
CommandProvider commandProvider = (CommandProvider) service;
for (Method method : commandProvider.getClass().getMethods()) {
String methodName = method.getName();
if (methodName.startsWith("_")) {
data.put(methodName, commandProvider);
}
}
}
} finally {
OsgiUtil.close(tracker);
}
return data;
}