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.behavior; 018 019import org.apache.wicket.Component; 020import org.apache.wicket.WicketRuntimeException; 021 022/** 023 * Thrown when a behavior with an invalid id is requested 024 * 025 * @author ivaynberg (Igor Vaynberg) 026 */ 027public class InvalidBehaviorIdException extends WicketRuntimeException 028{ 029 private static final long serialVersionUID = 1L; 030 031 private final Component component; 032 private final int behaviorId; 033 034 /** 035 * Constructor 036 * 037 * @param component 038 * @param behaviorId 039 */ 040 public InvalidBehaviorIdException(Component component, int behaviorId) 041 { 042 super( 043 String.format("Cannot find behavior with id '%d' on component '%s' in page '%s'. " + 044 "Perhaps the behavior did not properly implement getStatelessHint() and returned 'true' " + 045 "to indicate that it is stateless instead of returning 'false' to indicate that it is stateful.", 046 behaviorId, 047 component.getClassRelativePath(), 048 component.getPage())); 049 this.component = component; 050 this.behaviorId = behaviorId; 051 } 052 053 /** 054 * @return component which was thought to contain the behavior 055 */ 056 public Component getComponent() 057 { 058 return component; 059 } 060 061 /** 062 * @return behavior id 063 */ 064 public int getBehaviorId() 065 { 066 return behaviorId; 067 } 068}