groupmanagerbean.java

展示使用J2EE容器实现安全机制

package com.jdon.security.auth.ejb;

import javax.ejb.*;


import org.apache.log4j.Logger;

import com.jdon.servicelocator.ejb.*;
import com.jdon.security.auth.PrincipalException;
import com.jdon.security.auth.util.JNDINames;
import com.jdon.security.Constants;

import com.jdon.sequence.SequenceGeneratorLocalHome;
import com.jdon.sequence.SequenceGeneratorLocal;

import com.jdon.security.Group;
import com.jdon.security.model.GroupModel;

public class GroupManagerBean implements SessionBean {

   private final static Logger logger = Logger.getLogger(GroupManagerBean.class);

   SessionContext sessionContext;
  // GroupHome groupHome;
   SequenceGeneratorLocalHome sequenceHome;

   public void ejbCreate() throws CreateException {
     try {

        ServiceLocator serviceLocator = new ServiceLocator();
   //     groupHome = (GroupHome) serviceLocator.getLocalHome(
      //      JNDINames.GROUP_HOME);

        sequenceHome = (SequenceGeneratorLocalHome) serviceLocator.getLocalHome(
            JNDINames.SEQUENCEGENERATOR_HOME);

      } catch (Exception ex) {
        logger.error("create error:" + ex);
        throw new CreateException();

      }
   }

   public int getNewId(String name) {
     try {
       SequenceGeneratorLocal seq = sequenceHome.create();
       return seq.nextSequenceNumber(name);
     } catch (Exception ex) {
       throw new EJBException("Error generating id for : " + name + ex);
     }
   }


   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;
   }
}