| // Copyright 2006, 2007, 2010 The Apache Software Foundation |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package org.apache.tapestry5.internal.services; |
| |
| import java.util.Locale; |
| import java.util.Map; |
| |
| import org.apache.tapestry5.ComponentResources; |
| import org.apache.tapestry5.ioc.Messages; |
| import org.apache.tapestry5.ioc.ObjectLocator; |
| import org.apache.tapestry5.ioc.internal.util.CollectionFactory; |
| import org.apache.tapestry5.model.MutableComponentModel; |
| import org.apache.tapestry5.services.ClassTransformation; |
| import org.apache.tapestry5.services.ComponentValueProvider; |
| import org.apache.tapestry5.services.InjectionProvider; |
| import org.slf4j.Logger; |
| |
| /** |
| * Allows for a number of anonymous injections based on the type of field that is to be injected. |
| */ |
| public class CommonResourcesInjectionProvider implements InjectionProvider |
| { |
| private static ComponentValueProvider<Messages> messagesProvider = new ComponentValueProvider<Messages>() |
| { |
| |
| public Messages get(ComponentResources resources) |
| { |
| return resources.getMessages(); |
| } |
| }; |
| |
| private static ComponentValueProvider<Locale> localeProvider = new ComponentValueProvider<Locale>() |
| { |
| |
| public Locale get(ComponentResources resources) |
| { |
| return resources.getLocale(); |
| } |
| }; |
| |
| private static ComponentValueProvider<Logger> loggerProvider = new ComponentValueProvider<Logger>() |
| { |
| |
| public Logger get(ComponentResources resources) |
| { |
| return resources.getLogger(); |
| }; |
| }; |
| |
| private static ComponentValueProvider<String> completeIdProvider = new ComponentValueProvider<String>() |
| { |
| public String get(ComponentResources resources) |
| { |
| return resources.getCompleteId(); |
| } |
| }; |
| |
| private static final Map<Class, ComponentValueProvider> configuration = CollectionFactory |
| .newMap(); |
| |
| { |
| configuration.put(Messages.class, messagesProvider); |
| configuration.put(Locale.class, localeProvider); |
| configuration.put(Logger.class, loggerProvider); |
| configuration.put(String.class, completeIdProvider); |
| } |
| |
| @SuppressWarnings("unchecked") |
| public boolean provideInjection(String fieldName, Class fieldType, ObjectLocator locator, |
| ClassTransformation transformation, MutableComponentModel componentModel) |
| { |
| ComponentValueProvider provider = configuration.get(fieldType); |
| |
| if (provider == null) |
| return false; |
| |
| transformation.getField(fieldName).injectIndirect(provider); |
| |
| return true; |
| } |
| } |