001/* 002 * (C) Copyright 2015 Nuxeo SA (http://nuxeo.com/) and others. 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 * 016 * Contributors: 017 * Anahide Tchertchian 018 */ 019package org.nuxeo.ecm.web.resources.wro.provider; 020 021import java.util.Collections; 022import java.util.HashMap; 023import java.util.List; 024import java.util.Map; 025 026import org.apache.commons.logging.Log; 027import org.apache.commons.logging.LogFactory; 028import org.nuxeo.ecm.web.resources.api.Processor; 029import org.nuxeo.ecm.web.resources.api.service.WebResourceManager; 030import org.nuxeo.runtime.api.Framework; 031 032import ro.isdc.wro.model.resource.locator.UriLocator; 033import ro.isdc.wro.model.resource.processor.ResourcePostProcessor; 034import ro.isdc.wro.model.resource.processor.ResourcePreProcessor; 035import ro.isdc.wro.util.provider.ConfigurableProviderSupport; 036 037/** 038 * Nuxeo contributor to wro processors and locators, registered as a service. 039 * 040 * @since 7.3 041 */ 042public class NuxeoConfigurableProvider extends ConfigurableProviderSupport { 043 044 private static final Log log = LogFactory.getLog(NuxeoConfigurableProvider.class); 045 046 public static final String PRE_TYPE = "wroPre"; 047 048 public static final String POST_TYPE = "wroPost"; 049 050 @Override 051 public Map<String, UriLocator> provideLocators() { 052 Map<String, UriLocator> map = new HashMap<>(); 053 map.put(NuxeoUriLocator.ALIAS, new NuxeoUriLocator()); 054 return map; 055 } 056 057 @Override 058 public Map<String, ResourcePreProcessor> providePreProcessors() { 059 Map<String, ResourcePreProcessor> map = new HashMap<>(); 060 // extend with runtime service processors registration 061 List<? extends Processor> processors = resolveProcessors(PRE_TYPE); 062 for (Processor p : processors) { 063 Class<?> klass = p.getTargetProcessorClass(); 064 if (klass == null) { 065 // assume alias references a native wro processor 066 continue; 067 } 068 ResourcePreProcessor proc; 069 try { 070 proc = (ResourcePreProcessor) klass.getDeclaredConstructor().newInstance(); 071 map.put(p.getName(), proc); 072 } catch (ReflectiveOperationException e) { 073 log.error("Caught error when instanciating resource pre processor", e); 074 continue; 075 } 076 } 077 return map; 078 } 079 080 @Override 081 public Map<String, ResourcePostProcessor> providePostProcessors() { 082 Map<String, ResourcePostProcessor> map = new HashMap<>(); 083 // extend with runtime service processors registration 084 List<Processor> processors = resolveProcessors(POST_TYPE); 085 for (Processor p : processors) { 086 Class<?> klass = p.getTargetProcessorClass(); 087 if (klass == null) { 088 // assume alias references a native wro processor 089 continue; 090 } 091 ResourcePostProcessor proc; 092 try { 093 proc = (ResourcePostProcessor) klass.getDeclaredConstructor().newInstance(); 094 map.put(p.getName(), proc); 095 } catch (ReflectiveOperationException e) { 096 log.error("Caught error when instanciating resource post processor", e); 097 continue; 098 } 099 } 100 return map; 101 } 102 103 public static List<Processor> resolveProcessors(String type) { 104 WebResourceManager service = Framework.getService(WebResourceManager.class); 105 List<Processor> processors = service.getProcessors(type); 106 if (processors != null) { 107 return processors; 108 } 109 return Collections.emptyList(); 110 } 111 112}