001/**
002 *   GRANITE DATA SERVICES
003 *   Copyright (C) 2006-2013 GRANITE DATA SERVICES S.A.S.
004 *
005 *   This file is part of the Granite Data Services Platform.
006 *
007 *                               ***
008 *
009 *   Community License: GPL 3.0
010 *
011 *   This file is free software: you can redistribute it and/or modify
012 *   it under the terms of the GNU General Public License as published
013 *   by the Free Software Foundation, either version 3 of the License,
014 *   or (at your option) any later version.
015 *
016 *   This file is distributed in the hope that it will be useful, but
017 *   WITHOUT ANY WARRANTY; without even the implied warranty of
018 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
019 *   GNU General Public License for more details.
020 *
021 *   You should have received a copy of the GNU General Public License
022 *   along with this program. If not, see <http://www.gnu.org/licenses/>.
023 *
024 *                               ***
025 *
026 *   Available Commercial License: GraniteDS SLA 1.0
027 *
028 *   This is the appropriate option if you are creating proprietary
029 *   applications and you are not prepared to distribute and share the
030 *   source code of your application under the GPL v3 license.
031 *
032 *   Please visit http://www.granitedataservices.com/license for more
033 *   details.
034 */
035package org.granite.client.tide.spring;
036
037import java.lang.annotation.Annotation;
038import java.lang.reflect.Array;
039import java.util.Arrays;
040import java.util.List;
041import java.util.Map;
042
043import org.granite.client.tide.Context;
044import org.granite.client.tide.InstanceStore;
045import org.granite.client.tide.InstanceStoreFactory;
046import org.springframework.beans.factory.NoSuchBeanDefinitionException;
047import org.springframework.context.ApplicationContext;
048
049/**
050 * @author William DRAI
051 */
052public class SpringInstanceStoreFactory implements InstanceStoreFactory {
053        
054        private final ApplicationContext applicationContext;
055        
056        public SpringInstanceStoreFactory(ApplicationContext applicationContext) {
057                this.applicationContext = applicationContext;
058        }
059
060        @Override
061        public InstanceStore createStore(Context context) {
062                return new SpringInstanceStore(context, applicationContext);
063        }
064
065        
066        public static class SpringInstanceStore implements InstanceStore {
067                
068                @SuppressWarnings("unused")
069                private final Context context;
070                private final ApplicationContext applicationContext;
071                
072                public SpringInstanceStore(Context context, ApplicationContext applicationContext) {
073                        this.context = context;
074                        this.applicationContext = applicationContext;
075                }
076            
077                @Override
078                public <T> T set(String name, T instance) {
079                        // Nothing, managed by Spring
080                        return instance;
081                }
082
083                @Override
084                public <T> T set(T instance) {
085                        // Nothing, managed by Spring
086                        return instance;
087                }
088
089                @Override
090                public void remove(String name) {
091                        // Nothing, managed by Spring
092                }
093                
094                @Override
095                public void clear() {
096                        // Nothing, managed by Spring
097                }
098
099                @Override
100                public List<String> allNames() {
101                        return Arrays.asList(applicationContext.getBeanDefinitionNames());
102                }
103
104        @SuppressWarnings("unchecked")
105        @Override
106        public <T> T getNoProxy(String name, Context context) {
107            return (T)applicationContext.getBean(name);
108        }
109
110        @SuppressWarnings("unchecked")
111                @Override
112                public <T> T byName(String name, Context context) {
113            try {
114                        return (T)applicationContext.getBean(name);
115            }
116            catch (NoSuchBeanDefinitionException e) {
117            }
118            return null;
119                }
120
121                @Override
122                public <T> T byType(Class<T> type, Context context) {
123            try {
124                            return applicationContext.getBean(type);
125            }
126            catch (NoSuchBeanDefinitionException e) {
127            }
128            return null;
129                }
130                
131                @SuppressWarnings("unchecked")
132                @Override
133                public <T> T[] allByType(Class<T> type, Context context, boolean create) {
134                        Map<String, T> instancesMap = applicationContext.getBeansOfType(type, true, create);
135                        T[] all = (T[])Array.newInstance(type, instancesMap.size());
136                        return instancesMap.values().toArray(all);
137                }
138                
139                @Override
140                public Map<String, Object> allByAnnotatedWith(Class<? extends Annotation> annotationClass, Context context) {
141                        return applicationContext.getBeansWithAnnotation(annotationClass);
142                }
143        }
144}