usersbean.java~22~

使用J2EE实现了软件园的下载和上传功能

package software;

import javax.ejb.EntityBean;
import javax.ejb.EntityContext;
import javax.ejb.CreateException;
import javax.ejb.RemoveException;
import javax.rmi.PortableRemoteObject;
import javax.naming.Context;
import javax.naming.InitialContext;
import java.util.*;

public abstract class usersBean implements EntityBean {
    EntityContext entityContext;
    public Integer ejbCreate(Integer id, String name, String pwd) throws CreateException {

        setId(id);

        setName(name);

        setPwd(pwd);
        return null;
    }

    public void ejbPostCreate(Integer id, String name, String pwd) throws CreateException {
    }

    public void ejbRemove() throws RemoveException {
    }

    public abstract void setId(Integer id);

    public abstract Integer getId();

    public void ejbLoad() {
    }

    public void ejbStore() {
    }

    public void ejbActivate() {
    }

    public void ejbPassivate() {
    }

    public void unsetEntityContext() {
        this.entityContext = null;
    }

    public void setEntityContext(EntityContext entityContext) {
        this.entityContext = entityContext;
    }

    public abstract void setPwd(String pwd);

    public abstract void setName(String name);

    public abstract String getName();

    public abstract String getPwd();

    public Integer  getMax() {
        Integer i=null;
      try {
                  Context ic = new InitialContext();
                  Object obj = ic.lookup("usersRemote");
                  software.usersRemoteHome home = (software.usersRemoteHome) PortableRemoteObject.narrow(obj, software.usersRemoteHome.class);
                  Collection c=home.findAll();
                  i=new Integer(c.size());
                }
                catch (Exception ex) {
                  ex.printStackTrace();
                }
 return i;

    }

}