hellobean.java

该HttpProxy用于从Applet或Swing界面中访问Ejb和服务端的JavaBean。

/*
 * Created on 2005-6-29
 *
 * To change the template for this generated file go to
 * Window - Preferences - Java - Code Generation - Code and Comments
 */
package com.nari.pmos.ejb.hello;

import javax.ejb.*;
import java.util.Properties;
import javax.naming.Context;
import javax.naming.InitialContext;

/**
 * @author hujun
 * 
 * To change the template for this generated type comment go to Window -
 * Preferences - Java - Code Generation - Code and Comments
 */
public class helloBean implements SessionBean {
	private javax.ejb.SessionContext mySessionCtx;

	public void ejbActivate() {
	}

	public void ejbRemove() {
	}

	public void ejbPassivate() {
	}

	/**
	 * Sets the session context.
	 * 
	 * @param SessionContext
	 */
	public void setSessionContext(SessionContext ctx) {
		mySessionCtx = ctx;
	}

	public javax.ejb.SessionContext getSessionContext() {
		return mySessionCtx;
	}

	/**
	 * This method corresponds to the create method in the home interface
	 * "interfaces.DemoHome.java". The parameter sets of the two methods are
	 * identical. When the client calls <code>DemoHome.create()</code>, the
	 * container allocates an instance of the EJBean and calls
	 * <code>ejbCreate()</code>.r
	 */
	public void ejbCreate() {
	}

	// ---------------------------------------------------------------------
	public String echo() {
		return "Hello Ejb";
	}

	public String echo_1(int x, int y, int z) {
		return "Hello Ejb [x: " + x + "y: " + y + "z: " + z + "]";
	}

	public String echo_2(Integer x, Double y) {
		return "Hello Ejb [x: " + x + "y: " + y + "]";
	}

	public Object getRemote() {
		Properties p = new Properties();
		p.put(Context.INITIAL_CONTEXT_FACTORY,
				"org.jnp.interfaces.NamingContextFactory");
		p.put(Context.PROVIDER_URL, "jnp://10.144.98.130:1099");

		try {
			Context ctx = new InitialContext(p);
			Object obj = ctx.lookup("pmos/ejb/hello");

			helloHome home = (helloHome) javax.rmi.PortableRemoteObject.narrow(
					obj, helloHome.class);
			hello Hello = home.create();
			return Hello;
		} catch (Exception e) {
			e.printStackTrace();
			System.out.println("Exception:");
			return null;
		}
	}

	public Object getLocal() {
		Properties p = new Properties();
		p.put(Context.INITIAL_CONTEXT_FACTORY,
				"org.jnp.interfaces.NamingContextFactory");
		p.put(Context.PROVIDER_URL, "jnp://127.0.0.1:1099");

		System.out.println("@@@@@@ getLocal @@@@@@");

		try {
			Context ctx = new InitialContext(p);
			Object obj = ctx.lookup("pmos/ejb/helloLocal");

			helloLocalHome home = (helloLocalHome) obj;// (helloHome)javax.rmi.PortableRemoteObject.narrow(obj,
														// helloHome.class );
			helloLocal Hello = home.create();
			System.out.println("getLocal ok!");
			return Hello;
		} catch (Exception e) {
			System.out.println("getLocal fail!");
			e.printStackTrace();
			System.out.println("Exception:");
			return null;
		}
	}
	// ---------------------------------------------------------------------

}