/**
* Adds the methods on <code>handler</code> annotated with {@link FlexHandler} to the dispatcher
* tree.
*
* @param plugin the plugin to bind the commands to. Theoretically this parameter can take the
* value <code>null</code>; however it is recommended to pass a valid {@link Plugin} to aid
* server administrators in debugging problems.
* @param handler the object to extract handling methods from
*/
public void addHandler(Plugin plugin, Object handler) {
if (plugin != null) {
clients.add(plugin);
}
try {
for (Method m : handler.getClass().getMethods()) {
if (m.isAnnotationPresent(FlexHandler.class)) {
FlexHandler annotation = m.getAnnotation(FlexHandler.class);
String[] path = annotation.value().split(" ");
String rootName = path[0];
FlexMethodHandlingContext hctx = new FlexMethodHandlingContext(plugin, handler, m);
hctx.validate();
root.add(path, hctx);
}
}
} catch (FlexBuildingException e) {
logException(plugin, e, "Error when building command trees: " + e.toString());
}
}
/**
* Executes the given command, returning its success.
*
* @param sender the source of the command
* @param cmd the command which was executed
* @param label the alias of the command which was used
* @param args the command arguments passed
* @return <code>true</code> if the command succeeded, else <code>false</code>
*/
public boolean onCommand(CommandSender sender, Command cmd, String label, String[] args) {
FlexCommandContext ctx = new FlexCommandContext(sender, cmd, label, args);
return root.dispatch(ctx);
}
/**
* Creates an alias under <code>aliasPath</code> for the command tree under <code>originalPath
* </code>.
*
* @param originalPath the path to use as the source. Example: <code>{"myplugin", "group", "add"}
* </code>.
* @param aliasPath the path to use as the destination. Example: <code>{"addgroup"}</code>.
*/
public void alias(String[] originalPath, String[] aliasPath) {
FlexDispatcher source = root.traverse(originalPath);
root.extend(aliasPath, source);
}