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.markup.html.pages; 018 019import org.apache.wicket.markup.head.CssHeaderItem; 020import org.apache.wicket.markup.head.IHeaderResponse; 021import org.apache.wicket.markup.html.WebPage; 022import org.apache.wicket.model.IModel; 023import org.apache.wicket.request.mapper.parameter.PageParameters; 024import org.apache.wicket.request.resource.CssResourceReference; 025 026/** 027 * A parent page for all pages that are used to show an error to the user. Setups the common 028 * settings for an error page. 029 */ 030public abstract class AbstractErrorPage extends WebPage 031{ 032 private static final long serialVersionUID = 1L; 033 034 protected AbstractErrorPage() 035 { 036 super(); 037 } 038 039 protected AbstractErrorPage(final IModel<?> model) 040 { 041 super(model); 042 } 043 044 protected AbstractErrorPage(final PageParameters parameters) 045 { 046 super(parameters); 047 } 048 049 @Override 050 public boolean isErrorPage() 051 { 052 return true; 053 } 054 055 @Override 056 public boolean isVersioned() 057 { 058 return false; 059 } 060 061 @Override 062 public void renderHead(IHeaderResponse response) 063 { 064 super.renderHead(response); 065 response.render(CssHeaderItem 066 .forReference(new CssResourceReference(AbstractErrorPage.class, "error.css"))); 067 } 068}