ServerMethodMatcher.java

package org.jwebsocket.plugins.rpc.util;

import java.lang.reflect.Method;

import org.jwebsocket.api.WebSocketConnector;
import org.jwebsocket.plugins.rpc.MethodMatcher;

/**
 * @author Quentin Ambard
 * Used to match a method against parameters.
 * Does the same thing than MethodMatcher, but allows the method server to add a WebSocketConnector object as parameter.
 * If so, the WebSocketConnector which invoke this method will be passed.
 */

@SuppressWarnings("rawtypes")
public class ServerMethodMatcher extends MethodMatcher{

	private WebSocketConnector mWebSocketConnector ;
	
	public ServerMethodMatcher(Method aMethod, WebSocketConnector aWebSocketConnector) {
		super(aMethod);
		mWebSocketConnector = aWebSocketConnector ;
	}
	
	/**
	 * @return true if lParameterType is a WebSocjetConnector type. If so, add to the websocketConnector to the list of paramters
	 */
	@Override
	protected boolean specificMatching(Class lParameterType, int aIndice) {
		if (lParameterType == WebSocketConnector.class) {
			setMethodParameters(aIndice, mWebSocketConnector);
			return true ;
		}
		return false ;
	}	
	
	/**
	 * return the number of valid parameters: all the parameters except WebSocketConnector
	 * If it's a WebSocketConnector, we will push the instance of the connector which is performing the (r)rpc
	 */
	@Override
	protected int getNumberOfValidParameters (Class[] aListOfParametersType) {
		int numberOfValidParameters = 0 ;
		for (Class lClass : aListOfParametersType) {
			if (lClass != WebSocketConnector.class) {
				numberOfValidParameters++;
			}
		}
  	return numberOfValidParameters ;
  }
	
}