001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.apache.wicket.request; 018 019/** 020 * A loggable request handler is a {@link IRequestHandler} that is capable of delivering log data. 021 * Implementations of this interface should collect data before or from 022 * {@link #detach(IRequestCycle)}. {@link #getLogData()} will never be called before the handler is 023 * detached. 024 * 025 * @author Emond Papegaaij 026 */ 027public interface ILoggableRequestHandler extends IRequestHandler 028{ 029 /** 030 * Returns the collected log data for this request handler and should never throw an exception. 031 * This method is never called before the request handler is detached. 032 * 033 * @return The collected log data. 034 */ 035 ILogData getLogData(); 036}