user1.java

这是基于struts的用户登录程序

package org.apache.struts.webapp.example.model;


import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;

import org.apache.struts.webapp.example.RegistrationForm;
import org.apache.struts.webapp.example.Subscription;
import org.apache.struts.webapp.example.SubscriptionForm;
import org.apache.struts.webapp.example.memory.MemorySubscription;
import org.apache.torque.TorqueException;
import org.apache.torque.om.Persistent;
import org.apache.torque.util.Criteria;

/**
 * The skeleton for this class was autogenerated by Torque on:
 *
 * [Tue May 02 23:05:41 CST 2006]
 *
 * You should add additional methods to this class to meet the
 * application requirements.  This class will only be generated as
 * long as it does not already exist in the output directory.
 */
public  class User1
    extends org.apache.struts.webapp.example.model.BaseUser1
    implements Persistent
{
    private List subscriptions = new ArrayList();

    public Subscription1[] getSubscriptions() {
        synchronized (subscriptions) {
    		try {
    			Criteria criteria = new Criteria();
    			criteria.add(Subscription1Peer.USERNAME, getUsername()); 
    			subscriptions = Subscription1Peer.doSelect(criteria);
                Subscription1 results[] = new Subscription1[subscriptions.size()];
                return ((Subscription1[]) subscriptions.toArray(results));
    		} catch (TorqueException e) {
    			// TODO Auto-generated catch block
    			e.printStackTrace();
    		} 
        	return null;
        }

    }
    
    public Subscription1 findSubscription(String host) {

        synchronized (subscriptions) {
        	for(int i = 0; i < subscriptions.size(); i ++) {
        		Subscription1 sub = (Subscription1)subscriptions.get(i);
        		if(sub.getHost().equals(host)) {
        			return sub;
        		}
        	}
            return null;
        }

    }

    public Subscription1 createSubscription(String host, SubscriptionForm form) {
        synchronized (subscriptions) {
        	for(int i = 0; i < subscriptions.size(); i ++) {
        		Subscription1 sub = (Subscription1)subscriptions.get(i);
        		if(sub.getHost().equals(host)) {
                    throw new IllegalArgumentException("Duplicate host '" + host
                            + "' for user '" + getUsername() + "'");
        		}
        	}
        	
            Subscription1 subscription = new Subscription1();
            subscription.setHost(host);
            subscription.setAutoConnect(form.getAutoConnect());
            subscription.setPassword(form.getPassword());
            subscription.setType(form.getType());
            subscription.setUsername(form.getUsername());
            try {
				subscription.save();
	            subscriptions.add(subscription);
			} catch (Exception e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
            
            return (subscription);
        }

    }

    public void saveEditUser(RegistrationForm form) {
    	/*setUsername(form.getUsername());
    	setFullName(form.getFullName());
    	
    	setPassword(form.getPassword());
    	
    	setFromAddress(form.getFromAddress());
    	setReplyToAddress(form.getReplyToAddress());*/
        try {
			save();
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
        
    }

    public static User1 createUser(RegistrationForm form) {
    	User1 user = new User1();
    	user.setUsername(form.getUsername());
    	user.setFullName(form.getFullName());
    	
    	user.setPassword(form.getPassword());
    	
    	user.setFromAddress(form.getFromAddress());
    	user.setReplyToAddress(form.getReplyToAddress());
        try {
			user.save();
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
        
        return (user);

    }

    public void removeSubscription(Subscription1 subscription) {
    	int i = 0;
    	for(i = 0; i < subscriptions.size(); i ++) {
    		Subscription1 sub = (Subscription1)subscriptions.get(i);
    		if(sub.getUsername().equals(getUsername())) {
    			break;
    		}
    	}
    	
        synchronized (subscriptions) {
        	if(i <= subscriptions.size()){
        		try {
        			Criteria crit = new Criteria();
        			crit.add(Subscription1Peer.ID, subscription.getId());
        			Subscription1Peer.doDelete(crit);
            		subscriptions.remove(i);
        		}
        		catch (Exception e) {
        			e.printStackTrace();
        		}
        		
        	}
        }

    }

	public static List getAllUsers() {
		List users = new ArrayList();
		try {
			Criteria criteria = new Criteria();
		
			users = User1Peer.doSelect(criteria);
		} catch (TorqueException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} 
		return users;
	}
	
	public static User1 getUserByUsername(String name) {
		List users = new ArrayList();
		try {
			Criteria criteria = new Criteria();
			criteria.add(User1Peer.USERNAME, name);
			users = User1Peer.doSelect(criteria);
			if (users.size() > 0){
				return (User1)users.get(0);
			}
		} catch (TorqueException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} 
		return null;
	}
	
	
}