/******************************************************************************* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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 org.apache.wink.server.handlers; import java.util.Collections; import java.util.List; /** * <p> * HandlersFactory is responsible to provide the user handlers to the * application. * <p> * The user should extend this class and override the relevant methods. * <p> * The sub-classes MUST have the public default constructor. */ public abstract class HandlersFactory { /** * Returns a list of user request handlers. The user request handlers are * invoked before the actual invocation of the relevant method on the * resource in the order specified by the returned list. * * @return list of request handlers */ public List<? extends RequestHandler> getRequestHandlers() { return Collections.emptyList(); } /** * Returns a list of user response handlers. The user response handlers are * invoked after the actual invocation of the relevant method on the * resource in the order specified by the returned list. * * @return list of response handlers */ public List<? extends ResponseHandler> getResponseHandlers() { return Collections.emptyList(); } /** * Returns a list of user error handlers. The user error handlers are * invoked before the "flushing" the result to user in the order specified * by the returned list. * * @return list of response handlers */ public List<? extends ResponseHandler> getErrorHandlers() { return Collections.emptyList(); } }