msgreslist.java

一个实用工具类

/*
 * Copyright (C) butor.com. All rights reserved.
 *
 * This software is published under the terms of the GNU Library General
 * Public License (GNU LGPL), a copy of which has been included with this
 * distribution in the LICENSE.txt file. 
 */


package org.butor.messageResources.service;

import java.util.HashMap;
import java.util.Iterator;
import java.util.Locale;

import org.butor.bls.IOutputResponse;
import org.butor.bls.IRequest;
import org.butor.bls.Service;
import org.butor.bls.ServiceException;
import org.butor.dataStruct.Message;
import org.butor.messageResources.MessageResourcesService;
import org.butor.messageResources.service.bean.MsgResListParam;
import org.butor.messageResources.service.bean.MsgResListResult;

/**
 * TODO
 * 
 * @author sawanai
 * Jul 5, 2004
 */
public class MsgResList extends Service {

	/**
	 * 
	 */
	public MsgResList(String appName) {
		super(MsgResListParam.RPC_NAME +"-" +appName.toLowerCase());
	}
	
	public String getDescription() {
		return "Message Resources list proclet.";
	}
	
	/**
	 * ParamBean class
	 * @see org.butor.bls.IService#getParamBeanClass()
	 */
	public Class getServiceParamBeanClass() {
		return MsgResListParam.class;
	}

	public IOutputResponse execute(IRequest request) throws ServiceException {
		IOutputResponse response = request.createResponse();
		int stat = 0;
		response.startDataSet(MsgResListResult.class);
		
		//TODO to cause loading of english resources
		MessageResourcesService.getMessage(Locale.ENGLISH, "hey");
		
		HashMap map = MessageResourcesService.getMessageResources();
		if (map == null) {
			stat = 1000;
			response.addMessage(new Message(stat, Message.WARNING, 
					"Message Resources is empty!"));
			
		} else {
			response.startDataSet(MsgResListResult.class);
			
			synchronized (map) {
				Iterator it = map.keySet().iterator();
				
				while (it.hasNext()) {
					String key = (String) it.next();
					String value = (String) map.get(key);

					MsgResListResult record = new MsgResListResult();
					record.setKey(key);
					record.setValue(value);
					response.addRecord(record);
				}
			}
			
			response.endDataSet();
		}
		
		response.endResponse(stat);
		
		return response;
	}
}