001/* 002 * (C) Copyright 2015 Nuxeo SA (http://nuxeo.com/) and others. 003 * 004 * All rights reserved. This program and the accompanying materials 005 * are made available under the terms of the GNU Lesser General Public License 006 * (LGPL) version 2.1 which accompanies this distribution, and is available at 007 * http://www.gnu.org/licenses/lgpl-2.1.html 008 * 009 * This library is distributed in the hope that it will be useful, 010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 012 * Lesser General Public License for more details. 013 * 014 * Contributors: 015 * Nicolas Chapurlat <nc@nuxeo.com> 016 * Vladimir Pasquier <vpasquier@nuxeo.com> 017 */ 018package org.nuxeo.ecm.automation.io.services.codec; 019 020import org.codehaus.jackson.JsonGenerator; 021import org.codehaus.jackson.JsonParser; 022import org.nuxeo.ecm.core.api.CoreSession; 023import org.nuxeo.ecm.core.io.marshallers.json.AbstractJsonReader; 024import org.nuxeo.ecm.core.io.marshallers.json.AbstractJsonWriter; 025import org.nuxeo.ecm.core.io.registry.MarshallerRegistry; 026import org.nuxeo.ecm.core.io.registry.Reader; 027import org.nuxeo.ecm.core.io.registry.Writer; 028import org.nuxeo.ecm.core.io.registry.context.RenderingContext; 029import org.nuxeo.runtime.api.Framework; 030 031import java.io.IOException; 032 033/** 034 * @since 7.3 035 */ 036public abstract class AbstractMarshallingRegistryCodec<EntityType> extends ObjectCodec<EntityType> { 037 038 String entityType; 039 Class<? extends AbstractJsonReader<EntityType>> reader; 040 Class<? extends AbstractJsonWriter<EntityType>> writer; 041 042 public AbstractMarshallingRegistryCodec(Class<EntityType> clazz, String entityType, 043 Class<? extends AbstractJsonReader<EntityType>> reader, Class<? extends AbstractJsonWriter<EntityType>> writer) { 044 super(clazz); 045 this.entityType = entityType; 046 this.reader = reader; 047 this.writer = writer; 048 } 049 050 @Override 051 public String getType() { 052 return entityType; 053 } 054 055 @Override 056 public boolean isBuiltin() { 057 return true; 058 } 059 060 @Override 061 public void write(JsonGenerator jg, EntityType value) throws IOException { 062 MarshallerRegistry registry = Framework.getService(MarshallerRegistry.class); 063 AbstractJsonWriter<EntityType> writer = registry.getInstance(null, this.writer); 064 writer.write(value,jg); 065 } 066 067 @Override 068 public EntityType read(JsonParser jp, CoreSession session) throws 069 IOException { 070 MarshallerRegistry registry = Framework.getService(MarshallerRegistry.class); 071 RenderingContext ctx = RenderingContext.CtxBuilder.session(session).get(); 072 AbstractJsonReader<EntityType> reader= registry.getInstance(ctx, this.reader); 073 return reader.read(jp.readValueAsTree()); 074 075 } 076}