001/* 002 * Copyright 2018 Anyware Services 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016package org.ametys.plugins.core.ui.resources; 017 018import java.net.URI; 019import java.util.HashMap; 020import java.util.HashSet; 021import java.util.Map; 022import java.util.Set; 023 024import org.apache.avalon.framework.service.ServiceException; 025import org.apache.avalon.framework.service.ServiceManager; 026import org.apache.avalon.framework.service.Serviceable; 027import org.apache.excalibur.source.Source; 028import org.apache.excalibur.source.SourceResolver; 029 030import org.ametys.core.resources.ResourceReader; 031import org.ametys.plugins.core.ui.minimize.HashCache.UriData; 032import org.ametys.plugins.core.ui.util.RequestAttributesHelper; 033 034/** 035 * Default resource dependencies listing for unsupported resource. Only returns self as a dependency 036 */ 037public class DefaultResourceDependenciesList implements ResourceDependenciesList, Serviceable 038{ 039 040 /** RequestAttributesHelper */ 041 protected RequestAttributesHelper _requestAttributesHelper; 042 043 private SourceResolver _sourceResolver; 044 045 public void service(ServiceManager manager) throws ServiceException 046 { 047 _sourceResolver = (SourceResolver) manager.lookup(SourceResolver.ROLE); 048 _requestAttributesHelper = (RequestAttributesHelper) manager.lookup(RequestAttributesHelper.ROLE); 049 } 050 051 public boolean isSupported(String uri) 052 { 053 return true; 054 } 055 056 public int getPriority() 057 { 058 return 0; 059 } 060 061 public Set<UriData> getDependenciesList(String uri, Map<String, String> data) 062 { 063 Map<String, Object> resolveParameters = new HashMap<>(); 064 Source fileSource = _getFileSource(uri, resolveParameters); 065 066 long fileLastModified = resolveParameters.get(ResourceReader.LAST_MODIFIED) != null ? (long) resolveParameters.get("lastModified") : fileSource.getLastModified(); 067 068 UriData fileInfos = new UriData(uri, true); 069 fileInfos.setLastModified(fileLastModified); 070 071 Set<UriData> set = new HashSet<>(); 072 set.add(fileInfos); 073 return set; 074 } 075 076 private Source _getFileSource(String cssUri, Map<String, Object> resolveParameters) 077 { 078 try 079 { 080 String uriToResolve = cssUri; 081 URI uri = new URI(cssUri); 082 if (!uri.isAbsolute()) 083 { 084 uriToResolve = "cocoon:/" + uriToResolve; 085 } 086 087 _requestAttributesHelper.removeRequestAttributes(); 088 089 return _sourceResolver.resolveURI(uriToResolve, null, resolveParameters); 090 } 091 catch (Exception e) 092 { 093 throw new IllegalArgumentException("Unable to resolve the dependencies of specified uri", e); 094 } 095 } 096}