/*
* Copyright 2008-2011 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.nominanuda.web.mvc;
import com.nominanuda.zen.obj.Stru;
public interface CommandHandler {
/**
*
* @param cmd the command object, can be empty
* @return the calculated result or a structure with the syntax
* <code>{data_:..., view_:...}</code> where <code>data_</code> is the result
* and <code>view_</code> are the instructions to build the view
* or another supported object such as HttpResponse or HttpEntity
*/
Object handle(Stru cmd) throws Exception;
}