| 1 | /** |
| 2 | * |
| 3 | * Copyright (C) 2011 Cloud Conscious, LLC. <info@cloudconscious.com> |
| 4 | * |
| 5 | * ==================================================================== |
| 6 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 7 | * you may not use this file except in compliance with the License. |
| 8 | * You may obtain a copy of the License at |
| 9 | * |
| 10 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 11 | * |
| 12 | * Unless required by applicable law or agreed to in writing, software |
| 13 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 14 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 15 | * See the License for the specific language governing permissions and |
| 16 | * limitations under the License. |
| 17 | * ==================================================================== |
| 18 | */ |
| 19 | package org.jclouds.openstack.swift.config; |
| 20 | |
| 21 | import javax.inject.Inject; |
| 22 | import javax.inject.Provider; |
| 23 | |
| 24 | import org.jclouds.blobstore.config.BlobStoreObjectModule; |
| 25 | import org.jclouds.openstack.swift.domain.MutableObjectInfoWithMetadata; |
| 26 | import org.jclouds.openstack.swift.domain.SwiftObject; |
| 27 | import org.jclouds.openstack.swift.domain.internal.SwiftObjectImpl; |
| 28 | |
| 29 | import com.google.inject.AbstractModule; |
| 30 | import com.google.inject.Provides; |
| 31 | import com.google.inject.Scopes; |
| 32 | |
| 33 | /** |
| 34 | * Configures the domain object mappings needed for all CF implementations |
| 35 | * |
| 36 | * @author Adrian Cole |
| 37 | */ |
| 38 | public class SwiftObjectModule extends AbstractModule { |
| 39 | |
| 40 | /** |
| 41 | * explicit factories are created here as it has been shown that Assisted Inject is extremely |
| 42 | * inefficient. http://code.google.com/p/google-guice/issues/detail?id=435 |
| 43 | */ |
| 44 | @Override |
| 45 | protected void configure() { |
| 46 | // for converters to work. |
| 47 | install(new BlobStoreObjectModule()); |
| 48 | bind(SwiftObject.Factory.class).to(SwiftObjectFactory.class).in(Scopes.SINGLETON); |
| 49 | } |
| 50 | |
| 51 | private static class SwiftObjectFactory implements SwiftObject.Factory { |
| 52 | @Inject |
| 53 | Provider<MutableObjectInfoWithMetadata> metadataProvider; |
| 54 | |
| 55 | public SwiftObject create(MutableObjectInfoWithMetadata metadata) { |
| 56 | return new SwiftObjectImpl(metadata != null ? metadata : metadataProvider.get()); |
| 57 | } |
| 58 | } |
| 59 | |
| 60 | @Provides |
| 61 | SwiftObject provideSwiftObject(SwiftObject.Factory factory) { |
| 62 | return factory.create(null); |
| 63 | } |
| 64 | |
| 65 | } |