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; 018 019import org.apache.wicket.request.IRequestHandler; 020import org.apache.wicket.request.IRequestMapper; 021import org.apache.wicket.request.Request; 022import org.apache.wicket.request.Url; 023import org.apache.wicket.request.handler.resource.ResourceReferenceRequestHandler; 024import org.apache.wicket.request.resource.ResourceReference; 025import org.apache.wicket.request.resource.UrlResourceReference; 026import org.apache.wicket.resource.bundles.ResourceBundleReference; 027 028/** 029 * A request mapper that is used to create Url out of UrlResourceReference. 030 * UrlResourceReference works with {@link org.apache.wicket.request.resource.UrlResourceReference.CalculatedUrl} and 031 * thus this mapper should not use {@link org.apache.wicket.SystemMapper.ParentFolderPlaceholderProvider} 032 */ 033public class UrlResourceReferenceMapper implements IRequestMapper 034{ 035 @Override 036 public Url mapHandler(IRequestHandler requestHandler) 037 { 038 Url url = null; 039 if (requestHandler instanceof ResourceReferenceRequestHandler) 040 { 041 ResourceReferenceRequestHandler resourceReferenceRequestHandler = (ResourceReferenceRequestHandler) requestHandler; 042 ResourceReference resourceReference = resourceReferenceRequestHandler.getResourceReference(); 043 044 while (resourceReference instanceof ResourceBundleReference) 045 { 046 // unwrap the bundle to render the url for the actual reference 047 resourceReference = ((ResourceBundleReference)resourceReference).getBundleReference(); 048 } 049 050 if (resourceReference instanceof UrlResourceReference) 051 { 052 UrlResourceReference urlResourceReference = (UrlResourceReference) resourceReference; 053 url = urlResourceReference.getUrl(); 054 } 055 } 056 return url; 057 } 058 059 @Override 060 public IRequestHandler mapRequest(Request request) 061 { 062 return null; 063 } 064 065 @Override 066 public int getCompatibilityScore(Request request) 067 { 068 return Integer.MIN_VALUE; 069 } 070 071}