getacl.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.Acl;
import org.butor.acl.AclService;
import org.butor.acl.service.bean.AclResult;
import org.butor.acl.service.bean.GetAclParam;
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;

/**
 * TODO
 * 
 * @author sawanai
 * Jul 5, 2004
 */
public class GetAcl extends Service {
	
	public GetAcl() {
		super(GetAclParam.SERVICE_NAME);
	}
	public String getDescription() {
		return "Get ACL info";
	}
	
	public Class getServiceParamBeanClass() {
		return GetAclParam.class;
	}
	public IOutputResponse execute(IRequest request) throws ServiceException {
		IOutputResponse response = request.createResponse();
		
		GetAclParam params = (GetAclParam) getServiceParamBean(request);

		String resource = params.getResource();
		if (resource != null) {
			resource = resource.trim();
		}
		if (resource == null || resource.trim().length() == 0) {
			response.addMessage(new Message(1000, Message.ERROR, "Missing param resource!"));
			response.endResponse(1000);
			return response;
		}

		Acl acl = AclService.getAcl(resource);
        if (acl != null) {
            response.startDataSet(AclResult.class);
            AclResult record = new AclResult();
        	record.setAcl(acl.toString());
        	response.addRecord(record);
        }

		response.endDataSet();
		response.endResponse(0);
		
		return response;
	}
}