001/* 002 * (C) Copyright 2013 Nuxeo SA (http://nuxeo.com/) and contributors. 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 * dmetzler 016 */ 017package org.nuxeo.ecm.automation.io.services; 018 019import org.nuxeo.ecm.automation.io.services.codec.CodecDescriptor; 020import org.nuxeo.ecm.automation.io.services.codec.ObjectCodecService; 021import org.nuxeo.ecm.webengine.JsonFactoryManager; 022import org.nuxeo.runtime.api.Framework; 023import org.nuxeo.runtime.model.ComponentContext; 024import org.nuxeo.runtime.model.ComponentInstance; 025import org.nuxeo.runtime.model.DefaultComponent; 026 027/** 028 * @since 5.7.3 029 */ 030public class IOComponent extends DefaultComponent { 031 032 protected static final String XP_CODECS = "codecs"; 033 034 private JsonFactoryManager jsonFactoryManager; 035 036 private ObjectCodecService codecs; 037 038 @Override 039 public void activate(ComponentContext context) { 040 jsonFactoryManager = Framework.getLocalService(JsonFactoryManager.class); 041 codecs = new ObjectCodecService(jsonFactoryManager.getJsonFactory()); 042 } 043 044 @Override 045 public void registerContribution(Object contribution, String extensionPoint, ComponentInstance contributor) { 046 if (XP_CODECS.equals(extensionPoint)) { 047 CodecDescriptor codec = (CodecDescriptor) contribution; 048 codecs.addCodec(codec.newInstance()); 049 } 050 } 051 052 @Override 053 public void unregisterContribution(Object contribution, String extensionPoint, ComponentInstance contributor) { 054 if (XP_CODECS.equals(extensionPoint)) { 055 CodecDescriptor codec = (CodecDescriptor) contribution; 056 codecs.removeCodec(codec.newInstance().getJavaType()); 057 } 058 } 059 060 @Override 061 public <T> T getAdapter(Class<T> adapter) { 062 if (ObjectCodecService.class.isAssignableFrom(adapter)) { 063 return adapter.cast(codecs); 064 } else if (JsonFactoryManager.class.isAssignableFrom(adapter)) { 065 return adapter.cast(jsonFactoryManager); 066 } 067 return null; 068 } 069 070 @Override 071 public void applicationStarted(ComponentContext context) { 072 super.applicationStarted(context); 073 codecs.postInit(); 074 } 075 076}