001/* 002 * (C) Copyright 2006-2007 Nuxeo SAS (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.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 * btatar 016 * Damien METZLER (damien.metzler@leroymerlin.fr) 017 * 018 * $Id$ 019 */ 020 021package org.nuxeo.ecm.platform.userworkspace.core.service; 022 023import java.util.Deque; 024import java.util.LinkedList; 025import java.util.List; 026 027import org.apache.commons.logging.Log; 028import org.apache.commons.logging.LogFactory; 029import org.nuxeo.ecm.core.api.NuxeoException; 030import org.nuxeo.ecm.platform.userworkspace.api.UserWorkspaceService; 031import org.nuxeo.runtime.api.Framework; 032import org.nuxeo.runtime.model.ComponentContext; 033import org.nuxeo.runtime.model.ComponentInstance; 034import org.nuxeo.runtime.model.DefaultComponent; 035 036/** 037 * This component is used to register the service that provide the userworkspace service support. 038 * 039 * @author btatar 040 * @author Damien METZLER (damien.metzler@leroymerlin.fr) 041 */ 042public class UserWorkspaceServiceImplComponent extends DefaultComponent { 043 044 public static final String NAME = "org.nuxeo.ecm.platform.userworkspace.UserWorkspaceService"; 045 046 private static final Log log = LogFactory.getLog(UserWorkspaceService.class); 047 048 protected Deque<UserWorkspaceDescriptor> descriptors = new LinkedList<>(); 049 050 protected UserWorkspaceService userWorkspaceService; 051 052 @Override 053 public void activate(ComponentContext context) { 054 log.info("UserWorkspaceService activated"); 055 } 056 057 @Override 058 public void deactivate(ComponentContext context) { 059 log.info("UserWorkspaceService deactivated"); 060 } 061 062 @Override 063 public <T> T getAdapter(Class<T> adapter) { 064 if (adapter == UserWorkspaceService.class) { 065 return adapter.cast(getUserWorkspaceService()); 066 } 067 return null; 068 } 069 070 private UserWorkspaceService getUserWorkspaceService() { 071 if (userWorkspaceService == null) { 072 Class<?> klass = getConfiguration().getUserWorkspaceClass(); 073 if (klass == null) { 074 throw new NuxeoException("No class specified for the userWorkspace"); 075 } 076 try { 077 userWorkspaceService = (UserWorkspaceService) klass.newInstance(); 078 } catch (ReflectiveOperationException e) { 079 throw new NuxeoException("Failed to instantiate class " + klass, e); 080 } 081 } 082 return userWorkspaceService; 083 } 084 085 @Override 086 public void registerContribution(Object contribution, String extensionPoint, ComponentInstance contributor) { 087 descriptors.add((UserWorkspaceDescriptor) contribution); 088 } 089 090 @Override 091 public void unregisterContribution(Object contribution, String extensionPoint, ComponentInstance contributor) { 092 descriptors.remove(contribution); 093 } 094 095 protected void recompute() { 096 userWorkspaceService = null; 097 } 098 099 public String getTargetDomainName() { 100 return getConfiguration().getTargetDomainName(); 101 } 102 103 public UserWorkspaceDescriptor getConfiguration() { 104 return descriptors.getLast(); 105 } 106 107 // for tests only 108 public static void reset() { 109 UserWorkspaceServiceImplComponent s = (UserWorkspaceServiceImplComponent) Framework.getRuntime().getComponent( 110 NAME); 111 s.userWorkspaceService = null; 112 } 113 114}