001/* 002 * (C) Copyright 2016 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 * "Guillaume Renard" 018 */ 019 020package org.nuxeo.ecm.collections.core.io; 021 022import static org.nuxeo.ecm.core.io.registry.reflect.Instantiations.SINGLETON; 023import static org.nuxeo.ecm.core.io.registry.reflect.Priorities.REFERENCE; 024 025import java.io.IOException; 026import java.util.List; 027 028import org.nuxeo.ecm.collections.api.CollectionManager; 029import org.nuxeo.ecm.core.api.DocumentModel; 030import org.nuxeo.ecm.core.io.marshallers.json.enrichers.AbstractJsonEnricher; 031import org.nuxeo.ecm.core.io.registry.context.RenderingContext.SessionWrapper; 032import org.nuxeo.ecm.core.io.registry.reflect.Setup; 033import org.nuxeo.runtime.api.Framework; 034 035import com.fasterxml.jackson.core.JsonGenerator; 036 037/** 038 * Enricher that add the collections the document belongs to. 039 * 040 * @since 8.1 041 */ 042@Setup(mode = SINGLETON, priority = REFERENCE) 043public class CollectionsJsonEnricher extends AbstractJsonEnricher<DocumentModel> { 044 045 public static final String NAME = "collections"; 046 047 public CollectionsJsonEnricher() { 048 super(NAME); 049 } 050 051 @Override 052 public void write(JsonGenerator jg, DocumentModel document) throws IOException { 053 jg.writeFieldName(NAME); 054 jg.writeStartArray(); 055 CollectionManager collectionManager = Framework.getService(CollectionManager.class); 056 try (SessionWrapper wrapper = ctx.getSession(document)) { 057 List<DocumentModel> collections = collectionManager.getVisibleCollection(document, wrapper.getSession()); 058 for (DocumentModel collection : collections) { 059 writeEntity(collection, jg); 060 } 061 } finally { 062 jg.writeEndArray(); 063 } 064 } 065 066}