removegroup.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.acl.service;

import org.butor.acl.AclService;
import org.butor.acl.service.bean.RemoveGroupParam;
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.log.Log;

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

	/**
	 * 
	 */
	public RemoveGroup() {
		super(RemoveGroupParam.SERVICE_NAME);
	}
		
	public String getDescription() {
		return "Remove group.";
	}
	
	/**
	 * ParamBean class
	 * @see org.butor.bls.IService#getParamBeanClass()
	 */
	public Class getServiceParamBeanClass() {
		return RemoveGroupParam.class;
	}

	public IOutputResponse execute(IRequest request) throws ServiceException {
		IOutputResponse response = request.createResponse();
		RemoveGroupParam params = (RemoveGroupParam) getServiceParamBean(request);

		String group = params.getGroup();
		if (group == null || group.trim().length() == 0) {
			response.addMessage(new Message(1000, Message.ERROR, "Missing param group!"));
			response.endResponse(1001);
			return response;
		}
		group = group.trim();
		if (!AclService.isGroup(group)) {
			response.addMessage(new Message(1000, Message.ERROR, "Group '" +group +"' does not exists!"));
			response.endResponse(1002);
			return response;
		}

		if (!AclService.removeGroup(group)) {
			response.addMessage(new Message(1000, Message.ERROR, "Operation failed!"));
			response.endResponse(1003);
			return response;
		}
		response.endResponse(0);
		
		Log.logStr(this, Log.INFO, "execute()", "Removed group '" +group +"'");
		return response;
	}
}