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 * Gabriel Barata <gbarata@nuxeo.com> 018 */ 019 020package org.nuxeo.ecm.core.io.marshallers.json.enrichers; 021 022import org.nuxeo.ecm.core.api.DocumentModel; 023import org.nuxeo.ecm.core.io.registry.reflect.Setup; 024import org.nuxeo.ecm.core.schema.SchemaManager; 025import org.nuxeo.runtime.api.Framework; 026 027import com.fasterxml.jackson.core.JsonGenerator; 028 029import java.io.IOException; 030import java.util.Collection; 031 032import static org.nuxeo.ecm.core.io.registry.reflect.Instantiations.SINGLETON; 033import static org.nuxeo.ecm.core.io.registry.reflect.Priorities.REFERENCE; 034 035/** 036 * Enrich {@link DocumentModel} JSON object with an array of the document types that can be created under the current 037 * document. 038 * 039 * @since 8.4 040 */ 041@Setup(mode = SINGLETON, priority = REFERENCE) 042public class SubtypesJsonEnricher extends AbstractJsonEnricher<DocumentModel> { 043 044 public static final String NAME = "subtypes"; 045 046 public SubtypesJsonEnricher() { 047 super(NAME); 048 } 049 050 @Override 051 public void write(JsonGenerator jg, DocumentModel enriched) throws IOException { 052 SchemaManager schemaManager = Framework.getService(SchemaManager.class); 053 Collection<String> subtypes = enriched.getDocumentType().getAllowedSubtypes(); 054 jg.writeFieldName(NAME); 055 jg.writeStartArray(); 056 for (String subtype : subtypes) { 057 jg.writeStartObject(); 058 jg.writeStringField("type", subtype); 059 jg.writeArrayFieldStart("facets"); 060 for (String facet : schemaManager.getDocumentType(subtype).getFacets()) { 061 jg.writeString(facet); 062 } 063 jg.writeEndArray(); 064 jg.writeEndObject(); 065 } 066 jg.writeEndArray(); 067 } 068}