Monday 5 December 2011

Turn Ejb To Web Service


File: jndi.properties
java.naming.factory.initial=org.jnp.interfaces.NamingContextFactory
java.naming.factory.url.pkgs=org.jboss.naming:org.jnp.interfaces
java.naming.provider.url=localhost:1099
 
File: Main.java
import javax.naming.InitialContext;
import bean.CountRemote;
public class Main {
  public static void main(String[] a) throws Exception {
    String name = "jexp";
    CountRemote service = null;
    // Context compEnv = (Context) new InitialContext().lookup("java:comp/env");
    // service = (HelloService)new
    // InitialContext().lookup("java:comp/env/ejb/HelloService");
    service = (CountRemote) new InitialContext().lookup("CountBean/remote");
    int countVal = 9;
    service.set(countVal);
    countVal = service.count();
    System.out.println(countVal);
    System.out.println("Calling count() on beans...");
    countVal = service.count();
    System.out.println(countVal);
    service.remove();
  }
}
File: CountBean.java
package bean;
import javax.ejb.Remote;
import javax.ejb.Remove;
import javax.ejb.Stateless;
import javax.jws.WebService;
@Stateless
@Remote(CountRemote.class)
@WebService(serviceName="Counter", portName="CounterPort")
public class CountBean implements CountLocal, CountRemote {
    private int val;
    public int count() {
        System.out.println("count()");
        return ++val;
    }
    public void set(int val) {
        this.val = val;
        System.out.println("set()");
    }
    @Remove
    public void remove() {
        System.out.println("remove()");
    }
}
 
File: CountLocal.java
package bean;
 
import javax.ejb.Local;
@Local
public interface CountLocal  {
    /**
     * Increments the counter by 1
     */
    public int count();
    /**
     * Sets the counter to val
     * @param val
     */
    public void set(int val);
    /**
     * removes the counter
     */
    public void remove();
  }
 
File: CountRemote.java
package bean;
 
import javax.ejb.Remote;
@Remote
public interface CountRemote{
  /**
   * Increments the counter by 1
   */
  public int count();
  /**
   * Sets the counter to val
   * @param val
   */
  public void set(int val);
  /**
   * removes the counter
   */
  public void remove();
}

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