BasicCoapClient.java

package kr.ac.kaist.resl.lilliput.util;

import java.net.Inet6Address;
import java.net.UnknownHostException;

import org.ws4d.coap.interfaces.CoapChannelManager;
import org.ws4d.coap.interfaces.CoapClient;
import org.ws4d.coap.interfaces.CoapClientChannel;
import org.ws4d.coap.interfaces.CoapRequest;
import org.ws4d.coap.interfaces.CoapResponse;
import org.ws4d.coap.messages.CoapEmptyMessage;
import org.ws4d.coap.messages.CoapMediaType;
import org.ws4d.coap.messages.CoapRequestCode;

public class BasicCoapClient implements CoapClient
{
	static int counter = 0;
    CoapChannelManager channelManager = null;
    CoapClientChannel clientChannel = null;
    String sensors;
    public BasicCoapClient()
    {
    	sensors = null;
    	
    }
    public void runTestClient(String SERVER_ADDRESS, int PORT){
    	try {  		
			clientChannel = channelManager.connect(this, Inet6Address.getByName(SERVER_ADDRESS), PORT);
			CoapRequest coapRequest1 = clientChannel.createRequest(false, CoapRequestCode.GET);
			coapRequest1.setContentType(CoapMediaType.text_plain);
			coapRequest1.setUriPath("/sensors");	
			clientChannel.sendMessage(coapRequest1);	
			System.out.println("Sent Request");
		} catch (UnknownHostException e) {
			e.printStackTrace();
		}
    }
    
	public void onResponse(CoapClientChannel channel, CoapResponse response) {
		// TODO Auto-generated method stub
		System.out.println("Received response");
		System.out.println(new String(response.getPayload()));
		System.out.println("Channel : " + response.getChannel().toString() + "MessageID : " + response.getMessageID() + "Code Value " + response.getMessageCodeValue());
		sensors = new String(response.getPayload());		
	}

	public void onConnectionFailed(CoapClientChannel channel,
			boolean notReachable, boolean resetByServer) {
		// TODO Auto-generated method stub
		System.out.println("Connection Failed");
	}

	public void onSeparateResponseAck(CoapClientChannel channel,
			CoapEmptyMessage message) {
		// TODO Auto-generated method stub
		System.out.println("Received Ack of Separate Response");
	}

	public void onSeparateResponse(CoapClientChannel channel,
			CoapResponse response) {
		// TODO Auto-generated method stub
		System.out.println("Received Separate Response");
	}
	
}