catalogbean.java~6~

Java源码 Java源码

package cmp2image;

import javax.ejb.*;
import javax.naming.*;
import java.util.*;
import javax.rmi.PortableRemoteObject;
public class CatalogBean implements SessionBean {
  SessionContext sessionContext;
  public void ejbCreate() throws CreateException {
    /**@todo Complete this method*/
  }
  public void ejbRemove() {
    /**@todo Complete this method*/
  }
  public void ejbActivate() {
    /**@todo Complete this method*/
  }
  public void ejbPassivate() {
    /**@todo Complete this method*/
  }
  public void setSessionContext(SessionContext sessionContext) {
    this.sessionContext = sessionContext;
  }
  public HashSet findOne(String name) {
    HashSet collection=new HashSet();
    try {
      Context context = getInitialContext();

      //look up jndi name
      Object ref = context.lookup("Inventory");
      //look up jndi name and cast to Home interface
      FlowerHome flowerHome = (FlowerHome) PortableRemoteObject.narrow(
          ref, FlowerHome.class);
      Flower flower = flowerHome.findByPrimaryKey(name);
      System.out.println("Name: " + flower.getName());
      collection.add(flower);
    }
    catch (Exception ex) {
      ex.printStackTrace();
    }
    return collection;

  }
  private Context getInitialContext() throws Exception {
    String url = "t3://localhost:7001";
    String user = null;
    String password = null;
    Properties properties = null;
    try {
      properties = new Properties();
      properties.put(Context.INITIAL_CONTEXT_FACTORY,
                     "weblogic.jndi.WLInitialContextFactory");
      properties.put(Context.PROVIDER_URL, url);
      if (user != null) {
        properties.put(Context.SECURITY_PRINCIPAL, user);
        properties.put(Context.SECURITY_CREDENTIALS,
                       password == null ? "" : password);
      }

      return new InitialContext(properties);
    }
    catch (Exception e) {
      System.out.println("Unable to connect to WebLogic server at " + url);
      System.out.println("Please make sure that the server is running.");
      throw e;
    }
  }

}