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 * Thomas Roger 018 */ 019 020package org.nuxeo.ecm.platform.rendition.service; 021 022import java.util.ArrayList; 023import java.util.HashMap; 024import java.util.List; 025import java.util.Map; 026 027import org.nuxeo.ecm.core.api.CoreSession; 028import org.nuxeo.ecm.core.api.DocumentModel; 029import org.nuxeo.ecm.platform.actions.ActionContext; 030import org.nuxeo.ecm.platform.actions.ELActionContext; 031import org.nuxeo.ecm.platform.actions.ejb.ActionManager; 032import org.nuxeo.runtime.api.Framework; 033import org.nuxeo.runtime.model.ContributionFragmentRegistry; 034 035/** 036 * Registry for {@link RenditionDefinitionProviderDescriptor} objects. 037 * 038 * @since 7.2 039 */ 040public class RenditionDefinitionProviderRegistry extends 041 ContributionFragmentRegistry<RenditionDefinitionProviderDescriptor> { 042 043 protected Map<String, RenditionDefinitionProviderDescriptor> descriptors = new HashMap<>(); 044 045 public List<RenditionDefinition> getRenditionDefinitions(DocumentModel doc) { 046 List<RenditionDefinition> renditionDefinitions = new ArrayList<>(); 047 048 for (RenditionDefinitionProviderDescriptor descriptor : descriptors.values()) { 049 if (canUseRenditionDefinitionProvider(descriptor, doc)) { 050 RenditionDefinitionProvider provider = descriptor.getProvider(); 051 renditionDefinitions.addAll(provider.getRenditionDefinitions(doc)); 052 } 053 } 054 055 return renditionDefinitions; 056 } 057 058 public RenditionDefinition getRenditionDefinition(String name, DocumentModel doc) { 059 List<RenditionDefinition> renditionDefinitions = getRenditionDefinitions(doc); 060 for (RenditionDefinition renditionDefinition : renditionDefinitions) { 061 if (renditionDefinition.getName().equals(name)) { 062 return renditionDefinition; 063 } 064 } 065 return null; 066 } 067 068 protected boolean canUseRenditionDefinitionProvider( 069 RenditionDefinitionProviderDescriptor renditionDefinitionProviderDescriptor, DocumentModel doc) { 070 ActionManager actionService = Framework.getService(ActionManager.class); 071 return actionService.checkFilters(renditionDefinitionProviderDescriptor.getFilterIds(), 072 createActionContext(doc)); 073 } 074 075 protected ActionContext createActionContext(DocumentModel doc) { 076 ActionContext actionContext = new ELActionContext(); 077 actionContext.setCurrentDocument(doc); 078 CoreSession coreSession = doc.getCoreSession(); 079 actionContext.setDocumentManager(coreSession); 080 if (coreSession != null) { 081 actionContext.setCurrentPrincipal(coreSession.getPrincipal()); 082 } 083 return actionContext; 084 } 085 086 @Override 087 public String getContributionId(RenditionDefinitionProviderDescriptor contrib) { 088 return contrib.getName(); 089 } 090 091 @Override 092 public void contributionUpdated(String id, RenditionDefinitionProviderDescriptor contrib, 093 RenditionDefinitionProviderDescriptor newOrigContrib) { 094 if (contrib.isEnabled()) { 095 descriptors.put(id, contrib); 096 } else { 097 descriptors.remove(id); 098 } 099 } 100 101 @Override 102 public void contributionRemoved(String id, RenditionDefinitionProviderDescriptor contrib) { 103 descriptors.remove(id); 104 } 105 106 @Override 107 public RenditionDefinitionProviderDescriptor clone(RenditionDefinitionProviderDescriptor contrib) { 108 return contrib.clone(); 109 } 110 111 @Override 112 public void merge(RenditionDefinitionProviderDescriptor source, RenditionDefinitionProviderDescriptor dest) { 113 if (source.isEnabledSet() && source.isEnabled() != dest.isEnabled()) { 114 dest.setEnabled(source.isEnabled()); 115 } 116 117 Class<? extends RenditionDefinitionProvider> providerClass = source.getProviderClass(); 118 if (providerClass != null) { 119 dest.setProviderClass(providerClass); 120 } 121 122 List<String> newFilterIds = new ArrayList<>(); 123 newFilterIds.addAll(dest.getFilterIds()); 124 newFilterIds.addAll(source.getFilterIds()); 125 dest.setFilterIds(newFilterIds); 126 } 127}