nodeclient.java

精通Jboss——Ejb和Web Services开发精解的随书源代码

/*
 * Created on 2003-7-21
 */
package com.liuyang.ejb.cmp.node.client;

import java.rmi.RemoteException;
import java.util.Hashtable;

import javax.ejb.CreateException;
import javax.ejb.FinderException;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import javax.rmi.PortableRemoteObject;

import com.liuyang.ejb.cmp.node.Node;
import com.liuyang.ejb.cmp.node.NodeHome;


/**
 * @author
 * <a href="mailto:[e-mail]">刘洋</a>
 */
public class NodeClient {

	public static void main(String[] args) {
		NodeClient client = new NodeClient();
		client.setup();
		String title = "title01";
		try {
			if(client.home.findByTitle(title).isEmpty()){
				client.home.create(title,"today is 0723");
			} else {
				Node node = client.home.findByPrimaryKey(title);
				System.out.println(node.getText());
			}
		} catch (RemoteException e) {
			e.printStackTrace();
		} catch (CreateException e) {
			e.printStackTrace();
		} catch (FinderException e) {
			e.printStackTrace();
		}
	}
	private NodeHome home;
	public void setup(){
		Context ctx = null;	
		try {
			Hashtable env = new Hashtable();
			env.put(Context.INITIAL_CONTEXT_FACTORY,"org.jnp.interfaces.NamingContextFactory");
			env.put(Context.PROVIDER_URL,"localhost");
			ctx = new InitialContext(env);	
			//ctx = new InitialContext();				
		} catch (NamingException e) {
			e.printStackTrace();
		}
			Object objRef;
		try {
			objRef = ctx.lookup("cmp/node");
			home = (NodeHome)PortableRemoteObject.narrow(objRef, NodeHome.class);
		} catch (NamingException e1) {
			e1.printStackTrace();
		}		
	}
}