helloclient.java

本套光盘提供了本书各章实例的所需的部分源程序文件以及数据库文件。读者 需要使用JDK 1.4(必需）版

package ejb.hello;
import javax.naming.Context;
import javax.naming.InitialContext;
import java.util.Hashtable;
import javax.ejb.*;
import java.rmi.RemoteException;

public class HelloClient{
public static void main(String args[]){
String url = "rmi://localhost:6888";
Context initCtx = null;
HelloHome hellohome = null;
try{
Hashtable env = new Hashtable();
env.put(Context.INITIAL_CONTEXT_FACTORY,"com.apusic.jndi.InitialContextFactory"); 
env.put(Context.PROVIDER_URL, url); 
initCtx = new InitialContext(env);
}catch(Exception e){
System.out.println("Cannot get initial context: " + e.getMessage());
System.exit(1);
}
try{
hellohome = (HelloHome)initCtx.lookup("HelloHome"); 
Hello hello = hellohome.create();
String s = hello.getHello();
System.out.println(s); 
}catch(Exception e){
System.out.println(e.getMessage());
System.exit(1);
} 
}
}