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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  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,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  package org.eclipse.aether.impl.guice;
20  
21  import javax.inject.Named;
22  import javax.inject.Singleton;
23  
24  import java.util.Collections;
25  import java.util.HashMap;
26  import java.util.HashSet;
27  import java.util.Map;
28  import java.util.Set;
29  
30  import com.google.inject.AbstractModule;
31  import com.google.inject.Provides;
32  import com.google.inject.name.Names;
33  import org.eclipse.aether.RepositoryListener;
34  import org.eclipse.aether.RepositorySystem;
35  import org.eclipse.aether.impl.ArtifactResolver;
36  import org.eclipse.aether.impl.DependencyCollector;
37  import org.eclipse.aether.impl.Deployer;
38  import org.eclipse.aether.impl.Installer;
39  import org.eclipse.aether.impl.LocalRepositoryProvider;
40  import org.eclipse.aether.impl.MetadataResolver;
41  import org.eclipse.aether.impl.OfflineController;
42  import org.eclipse.aether.impl.RemoteRepositoryFilterManager;
43  import org.eclipse.aether.impl.RemoteRepositoryManager;
44  import org.eclipse.aether.impl.RepositoryConnectorProvider;
45  import org.eclipse.aether.impl.RepositoryEventDispatcher;
46  import org.eclipse.aether.impl.RepositorySystemLifecycle;
47  import org.eclipse.aether.impl.UpdateCheckManager;
48  import org.eclipse.aether.impl.UpdatePolicyAnalyzer;
49  import org.eclipse.aether.internal.impl.DefaultArtifactResolver;
50  import org.eclipse.aether.internal.impl.DefaultChecksumPolicyProvider;
51  import org.eclipse.aether.internal.impl.DefaultDeployer;
52  import org.eclipse.aether.internal.impl.DefaultFileProcessor;
53  import org.eclipse.aether.internal.impl.DefaultInstaller;
54  import org.eclipse.aether.internal.impl.DefaultLocalPathComposer;
55  import org.eclipse.aether.internal.impl.DefaultLocalPathPrefixComposerFactory;
56  import org.eclipse.aether.internal.impl.DefaultLocalRepositoryProvider;
57  import org.eclipse.aether.internal.impl.DefaultMetadataResolver;
58  import org.eclipse.aether.internal.impl.DefaultOfflineController;
59  import org.eclipse.aether.internal.impl.DefaultRemoteRepositoryManager;
60  import org.eclipse.aether.internal.impl.DefaultRepositoryConnectorProvider;
61  import org.eclipse.aether.internal.impl.DefaultRepositoryEventDispatcher;
62  import org.eclipse.aether.internal.impl.DefaultRepositoryLayoutProvider;
63  import org.eclipse.aether.internal.impl.DefaultRepositorySystem;
64  import org.eclipse.aether.internal.impl.DefaultRepositorySystemLifecycle;
65  import org.eclipse.aether.internal.impl.DefaultTrackingFileManager;
66  import org.eclipse.aether.internal.impl.DefaultTransporterProvider;
67  import org.eclipse.aether.internal.impl.DefaultUpdateCheckManager;
68  import org.eclipse.aether.internal.impl.DefaultUpdatePolicyAnalyzer;
69  import org.eclipse.aether.internal.impl.EnhancedLocalRepositoryManagerFactory;
70  import org.eclipse.aether.internal.impl.LocalPathComposer;
71  import org.eclipse.aether.internal.impl.LocalPathPrefixComposerFactory;
72  import org.eclipse.aether.internal.impl.Maven2RepositoryLayoutFactory;
73  import org.eclipse.aether.internal.impl.SimpleLocalRepositoryManagerFactory;
74  import org.eclipse.aether.internal.impl.TrackingFileManager;
75  import org.eclipse.aether.internal.impl.checksum.DefaultChecksumAlgorithmFactorySelector;
76  import org.eclipse.aether.internal.impl.checksum.Md5ChecksumAlgorithmFactory;
77  import org.eclipse.aether.internal.impl.checksum.Sha1ChecksumAlgorithmFactory;
78  import org.eclipse.aether.internal.impl.checksum.Sha256ChecksumAlgorithmFactory;
79  import org.eclipse.aether.internal.impl.checksum.Sha512ChecksumAlgorithmFactory;
80  import org.eclipse.aether.internal.impl.checksum.SparseDirectoryTrustedChecksumsSource;
81  import org.eclipse.aether.internal.impl.checksum.SummaryFileTrustedChecksumsSource;
82  import org.eclipse.aether.internal.impl.checksum.TrustedToProvidedChecksumsSourceAdapter;
83  import org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector;
84  import org.eclipse.aether.internal.impl.collect.DependencyCollectorDelegate;
85  import org.eclipse.aether.internal.impl.collect.bf.BfDependencyCollector;
86  import org.eclipse.aether.internal.impl.collect.df.DfDependencyCollector;
87  import org.eclipse.aether.internal.impl.filter.DefaultRemoteRepositoryFilterManager;
88  import org.eclipse.aether.internal.impl.filter.GroupIdRemoteRepositoryFilterSource;
89  import org.eclipse.aether.internal.impl.filter.PrefixesRemoteRepositoryFilterSource;
90  import org.eclipse.aether.internal.impl.resolution.TrustedChecksumsArtifactResolverPostProcessor;
91  import org.eclipse.aether.internal.impl.slf4j.Slf4jLoggerFactory;
92  import org.eclipse.aether.internal.impl.synccontext.DefaultSyncContextFactory;
93  import org.eclipse.aether.internal.impl.synccontext.named.NameMapper;
94  import org.eclipse.aether.internal.impl.synccontext.named.NameMappers;
95  import org.eclipse.aether.internal.impl.synccontext.named.NamedLockFactoryAdapterFactory;
96  import org.eclipse.aether.internal.impl.synccontext.named.NamedLockFactoryAdapterFactoryImpl;
97  import org.eclipse.aether.internal.impl.synccontext.named.providers.DiscriminatingNameMapperProvider;
98  import org.eclipse.aether.internal.impl.synccontext.named.providers.FileGAVNameMapperProvider;
99  import org.eclipse.aether.internal.impl.synccontext.named.providers.FileHashingGAVNameMapperProvider;
100 import org.eclipse.aether.internal.impl.synccontext.named.providers.GAVNameMapperProvider;
101 import org.eclipse.aether.internal.impl.synccontext.named.providers.StaticNameMapperProvider;
102 import org.eclipse.aether.named.NamedLockFactory;
103 import org.eclipse.aether.named.providers.FileLockNamedLockFactory;
104 import org.eclipse.aether.named.providers.LocalReadWriteLockNamedLockFactory;
105 import org.eclipse.aether.named.providers.LocalSemaphoreNamedLockFactory;
106 import org.eclipse.aether.named.providers.NoopNamedLockFactory;
107 import org.eclipse.aether.spi.checksums.ProvidedChecksumsSource;
108 import org.eclipse.aether.spi.checksums.TrustedChecksumsSource;
109 import org.eclipse.aether.spi.connector.checksum.ChecksumAlgorithmFactory;
110 import org.eclipse.aether.spi.connector.checksum.ChecksumAlgorithmFactorySelector;
111 import org.eclipse.aether.spi.connector.checksum.ChecksumPolicyProvider;
112 import org.eclipse.aether.spi.connector.filter.RemoteRepositoryFilterSource;
113 import org.eclipse.aether.spi.connector.layout.RepositoryLayoutFactory;
114 import org.eclipse.aether.spi.connector.layout.RepositoryLayoutProvider;
115 import org.eclipse.aether.spi.connector.transport.TransporterProvider;
116 import org.eclipse.aether.spi.io.FileProcessor;
117 import org.eclipse.aether.spi.localrepo.LocalRepositoryManagerFactory;
118 import org.eclipse.aether.spi.log.LoggerFactory;
119 import org.eclipse.aether.spi.resolution.ArtifactResolverPostProcessor;
120 import org.eclipse.aether.spi.synccontext.SyncContextFactory;
121 import org.slf4j.ILoggerFactory;
122 
123 /**
124  * A ready-made <a href="https://github.com/google/guice" target="_blank">Guice</a> module that sets up bindings
125  * for all components from this library. To acquire a complete repository system, clients need to bind an artifact
126  * descriptor reader, a version resolver, a version range resolver, zero or more metadata generator factories, some
127  * repository connector and transporter factories to access remote repositories.
128  *
129  * @noextend This class must not be extended by clients and will eventually be marked {@code final} without prior
130  * notice.
131  * @deprecated This class is about to be dropped in 2.0.0 release. Use SISU or use maven-resolver-supplier to
132  * get Resolver instances.
133  */
134 @Deprecated
135 public class AetherModule extends AbstractModule {
136 
137     /**
138      * Creates a new instance of this Guice module, typically for invoking
139      * {@link com.google.inject.Binder#install(com.google.inject.Module)}.
140      */
141     public AetherModule() {}
142 
143     /**
144      * Configures Guice with bindings for Aether components provided by this library.
145      */
146     // CHECKSTYLE_OFF: MethodLength
147     @Override
148     protected void configure() {
149         bind(RepositorySystem.class) //
150                 .to(DefaultRepositorySystem.class)
151                 .in(Singleton.class);
152         bind(ArtifactResolver.class) //
153                 .to(DefaultArtifactResolver.class)
154                 .in(Singleton.class);
155 
156         bind(DependencyCollector.class) //
157                 .to(DefaultDependencyCollector.class)
158                 .in(Singleton.class);
159         bind(DependencyCollectorDelegate.class)
160                 .annotatedWith(Names.named(BfDependencyCollector.NAME))
161                 .to(BfDependencyCollector.class)
162                 .in(Singleton.class);
163         bind(DependencyCollectorDelegate.class)
164                 .annotatedWith(Names.named(DfDependencyCollector.NAME))
165                 .to(DfDependencyCollector.class)
166                 .in(Singleton.class);
167 
168         bind(Deployer.class) //
169                 .to(DefaultDeployer.class)
170                 .in(Singleton.class);
171         bind(Installer.class) //
172                 .to(DefaultInstaller.class)
173                 .in(Singleton.class);
174         bind(MetadataResolver.class) //
175                 .to(DefaultMetadataResolver.class)
176                 .in(Singleton.class);
177         bind(RepositoryLayoutProvider.class) //
178                 .to(DefaultRepositoryLayoutProvider.class)
179                 .in(Singleton.class);
180         bind(RepositoryLayoutFactory.class)
181                 .annotatedWith(Names.named("maven2")) //
182                 .to(Maven2RepositoryLayoutFactory.class)
183                 .in(Singleton.class);
184         bind(TransporterProvider.class) //
185                 .to(DefaultTransporterProvider.class)
186                 .in(Singleton.class);
187         bind(ChecksumPolicyProvider.class) //
188                 .to(DefaultChecksumPolicyProvider.class)
189                 .in(Singleton.class);
190         bind(RepositoryConnectorProvider.class) //
191                 .to(DefaultRepositoryConnectorProvider.class)
192                 .in(Singleton.class);
193         bind(RemoteRepositoryManager.class) //
194                 .to(DefaultRemoteRepositoryManager.class)
195                 .in(Singleton.class);
196         bind(UpdateCheckManager.class) //
197                 .to(DefaultUpdateCheckManager.class)
198                 .in(Singleton.class);
199         bind(UpdatePolicyAnalyzer.class) //
200                 .to(DefaultUpdatePolicyAnalyzer.class)
201                 .in(Singleton.class);
202         bind(FileProcessor.class) //
203                 .to(DefaultFileProcessor.class)
204                 .in(Singleton.class);
205         bind(RepositoryEventDispatcher.class) //
206                 .to(DefaultRepositoryEventDispatcher.class)
207                 .in(Singleton.class);
208         bind(OfflineController.class) //
209                 .to(DefaultOfflineController.class)
210                 .in(Singleton.class);
211 
212         bind(LocalPathComposer.class).to(DefaultLocalPathComposer.class).in(Singleton.class);
213         bind(LocalPathPrefixComposerFactory.class)
214                 .to(DefaultLocalPathPrefixComposerFactory.class)
215                 .in(Singleton.class);
216 
217         bind(LocalRepositoryProvider.class) //
218                 .to(DefaultLocalRepositoryProvider.class)
219                 .in(Singleton.class);
220         bind(LocalRepositoryManagerFactory.class)
221                 .annotatedWith(Names.named("simple")) //
222                 .to(SimpleLocalRepositoryManagerFactory.class)
223                 .in(Singleton.class);
224         bind(LocalRepositoryManagerFactory.class)
225                 .annotatedWith(Names.named("enhanced")) //
226                 .to(EnhancedLocalRepositoryManagerFactory.class)
227                 .in(Singleton.class);
228         bind(TrackingFileManager.class).to(DefaultTrackingFileManager.class).in(Singleton.class);
229 
230         bind(ProvidedChecksumsSource.class)
231                 .annotatedWith(Names.named(TrustedToProvidedChecksumsSourceAdapter.NAME))
232                 .to(TrustedToProvidedChecksumsSourceAdapter.class)
233                 .in(Singleton.class);
234 
235         bind(TrustedChecksumsSource.class)
236                 .annotatedWith(Names.named(SparseDirectoryTrustedChecksumsSource.NAME))
237                 .to(SparseDirectoryTrustedChecksumsSource.class)
238                 .in(Singleton.class);
239         bind(TrustedChecksumsSource.class)
240                 .annotatedWith(Names.named(SummaryFileTrustedChecksumsSource.NAME))
241                 .to(SummaryFileTrustedChecksumsSource.class)
242                 .in(Singleton.class);
243 
244         bind(ArtifactResolverPostProcessor.class)
245                 .annotatedWith(Names.named(TrustedChecksumsArtifactResolverPostProcessor.NAME))
246                 .to(TrustedChecksumsArtifactResolverPostProcessor.class)
247                 .in(Singleton.class);
248 
249         bind(ChecksumAlgorithmFactory.class)
250                 .annotatedWith(Names.named(Md5ChecksumAlgorithmFactory.NAME))
251                 .to(Md5ChecksumAlgorithmFactory.class);
252         bind(ChecksumAlgorithmFactory.class)
253                 .annotatedWith(Names.named(Sha1ChecksumAlgorithmFactory.NAME))
254                 .to(Sha1ChecksumAlgorithmFactory.class);
255         bind(ChecksumAlgorithmFactory.class)
256                 .annotatedWith(Names.named(Sha256ChecksumAlgorithmFactory.NAME))
257                 .to(Sha256ChecksumAlgorithmFactory.class);
258         bind(ChecksumAlgorithmFactory.class)
259                 .annotatedWith(Names.named(Sha512ChecksumAlgorithmFactory.NAME))
260                 .to(Sha512ChecksumAlgorithmFactory.class);
261         bind(ChecksumAlgorithmFactorySelector.class)
262                 .to(DefaultChecksumAlgorithmFactorySelector.class)
263                 .in(Singleton.class);
264 
265         bind(RepositorySystemLifecycle.class)
266                 .to(DefaultRepositorySystemLifecycle.class)
267                 .in(Singleton.class);
268 
269         bind(NamedLockFactoryAdapterFactory.class)
270                 .to(NamedLockFactoryAdapterFactoryImpl.class)
271                 .in(Singleton.class);
272         bind(SyncContextFactory.class).to(DefaultSyncContextFactory.class).in(Singleton.class);
273         bind(org.eclipse.aether.impl.SyncContextFactory.class)
274                 .to(org.eclipse.aether.internal.impl.synccontext.legacy.DefaultSyncContextFactory.class)
275                 .in(Singleton.class);
276 
277         bind(NameMapper.class)
278                 .annotatedWith(Names.named(NameMappers.STATIC_NAME))
279                 .toProvider(StaticNameMapperProvider.class)
280                 .in(Singleton.class);
281         bind(NameMapper.class)
282                 .annotatedWith(Names.named(NameMappers.GAV_NAME))
283                 .toProvider(GAVNameMapperProvider.class)
284                 .in(Singleton.class);
285         bind(NameMapper.class)
286                 .annotatedWith(Names.named(NameMappers.DISCRIMINATING_NAME))
287                 .toProvider(DiscriminatingNameMapperProvider.class)
288                 .in(Singleton.class);
289         bind(NameMapper.class)
290                 .annotatedWith(Names.named(NameMappers.FILE_GAV_NAME))
291                 .toProvider(FileGAVNameMapperProvider.class)
292                 .in(Singleton.class);
293         bind(NameMapper.class)
294                 .annotatedWith(Names.named(NameMappers.FILE_HGAV_NAME))
295                 .toProvider(FileHashingGAVNameMapperProvider.class)
296                 .in(Singleton.class);
297 
298         bind(NamedLockFactory.class)
299                 .annotatedWith(Names.named(NoopNamedLockFactory.NAME))
300                 .to(NoopNamedLockFactory.class)
301                 .in(Singleton.class);
302         bind(NamedLockFactory.class)
303                 .annotatedWith(Names.named(LocalReadWriteLockNamedLockFactory.NAME))
304                 .to(LocalReadWriteLockNamedLockFactory.class)
305                 .in(Singleton.class);
306         bind(NamedLockFactory.class)
307                 .annotatedWith(Names.named(LocalSemaphoreNamedLockFactory.NAME))
308                 .to(LocalSemaphoreNamedLockFactory.class)
309                 .in(Singleton.class);
310         bind(NamedLockFactory.class)
311                 .annotatedWith(Names.named(FileLockNamedLockFactory.NAME))
312                 .to(FileLockNamedLockFactory.class)
313                 .in(Singleton.class);
314 
315         bind(RemoteRepositoryFilterManager.class)
316                 .to(DefaultRemoteRepositoryFilterManager.class)
317                 .in(Singleton.class);
318         bind(RemoteRepositoryFilterSource.class)
319                 .annotatedWith(Names.named(GroupIdRemoteRepositoryFilterSource.NAME))
320                 .to(GroupIdRemoteRepositoryFilterSource.class)
321                 .in(Singleton.class);
322         bind(RemoteRepositoryFilterSource.class)
323                 .annotatedWith(Names.named(PrefixesRemoteRepositoryFilterSource.NAME))
324                 .to(PrefixesRemoteRepositoryFilterSource.class)
325                 .in(Singleton.class);
326 
327         install(new Slf4jModule());
328     }
329 
330     @Provides
331     @Singleton
332     Map<String, RemoteRepositoryFilterSource> remoteRepositoryFilterSources(
333             @Named(GroupIdRemoteRepositoryFilterSource.NAME) RemoteRepositoryFilterSource groupId,
334             @Named(PrefixesRemoteRepositoryFilterSource.NAME) RemoteRepositoryFilterSource prefixes) {
335         Map<String, RemoteRepositoryFilterSource> result = new HashMap<>();
336         result.put(GroupIdRemoteRepositoryFilterSource.NAME, groupId);
337         result.put(PrefixesRemoteRepositoryFilterSource.NAME, prefixes);
338         return Collections.unmodifiableMap(result);
339     }
340 
341     @Provides
342     @Singleton
343     Map<String, ArtifactResolverPostProcessor> artifactResolverProcessors(
344             @Named(TrustedChecksumsArtifactResolverPostProcessor.NAME) ArtifactResolverPostProcessor trustedChecksums) {
345         Map<String, ArtifactResolverPostProcessor> result = new HashMap<>();
346         result.put(TrustedChecksumsArtifactResolverPostProcessor.NAME, trustedChecksums);
347         return Collections.unmodifiableMap(result);
348     }
349 
350     @Provides
351     @Singleton
352     Map<String, DependencyCollectorDelegate> dependencyCollectorDelegates(
353             @Named(BfDependencyCollector.NAME) DependencyCollectorDelegate bf,
354             @Named(DfDependencyCollector.NAME) DependencyCollectorDelegate df) {
355         Map<String, DependencyCollectorDelegate> result = new HashMap<>();
356         result.put(BfDependencyCollector.NAME, bf);
357         result.put(DfDependencyCollector.NAME, df);
358         return Collections.unmodifiableMap(result);
359     }
360 
361     @Provides
362     @Singleton
363     Map<String, ProvidedChecksumsSource> providedChecksumSources(
364             @Named(TrustedToProvidedChecksumsSourceAdapter.NAME) ProvidedChecksumsSource adapter) {
365         Map<String, ProvidedChecksumsSource> result = new HashMap<>();
366         result.put(TrustedToProvidedChecksumsSourceAdapter.NAME, adapter);
367         return Collections.unmodifiableMap(result);
368     }
369 
370     @Provides
371     @Singleton
372     Map<String, TrustedChecksumsSource> trustedChecksumSources(
373             @Named(SparseDirectoryTrustedChecksumsSource.NAME) TrustedChecksumsSource sparse,
374             @Named(SummaryFileTrustedChecksumsSource.NAME) TrustedChecksumsSource compact) {
375         Map<String, TrustedChecksumsSource> result = new HashMap<>();
376         result.put(SparseDirectoryTrustedChecksumsSource.NAME, sparse);
377         result.put(SummaryFileTrustedChecksumsSource.NAME, compact);
378         return Collections.unmodifiableMap(result);
379     }
380 
381     @Provides
382     @Singleton
383     Map<String, ChecksumAlgorithmFactory> provideChecksumTypes(
384             @Named(Sha512ChecksumAlgorithmFactory.NAME) ChecksumAlgorithmFactory sha512,
385             @Named(Sha256ChecksumAlgorithmFactory.NAME) ChecksumAlgorithmFactory sha256,
386             @Named(Sha1ChecksumAlgorithmFactory.NAME) ChecksumAlgorithmFactory sha1,
387             @Named(Md5ChecksumAlgorithmFactory.NAME) ChecksumAlgorithmFactory md5) {
388         Map<String, ChecksumAlgorithmFactory> result = new HashMap<>();
389         result.put(Sha512ChecksumAlgorithmFactory.NAME, sha512);
390         result.put(Sha256ChecksumAlgorithmFactory.NAME, sha256);
391         result.put(Sha1ChecksumAlgorithmFactory.NAME, sha1);
392         result.put(Md5ChecksumAlgorithmFactory.NAME, md5);
393         return Collections.unmodifiableMap(result);
394     }
395 
396     @Provides
397     @Singleton
398     Map<String, NameMapper> provideNameMappers(
399             @Named(NameMappers.STATIC_NAME) NameMapper staticNameMapper,
400             @Named(NameMappers.GAV_NAME) NameMapper gavNameMapper,
401             @Named(NameMappers.DISCRIMINATING_NAME) NameMapper discriminatingNameMapper,
402             @Named(NameMappers.FILE_GAV_NAME) NameMapper fileGavNameMapper,
403             @Named(NameMappers.FILE_HGAV_NAME) NameMapper fileHashingGavNameMapper) {
404         Map<String, NameMapper> result = new HashMap<>();
405         result.put(NameMappers.STATIC_NAME, staticNameMapper);
406         result.put(NameMappers.GAV_NAME, gavNameMapper);
407         result.put(NameMappers.DISCRIMINATING_NAME, discriminatingNameMapper);
408         result.put(NameMappers.FILE_GAV_NAME, fileGavNameMapper);
409         result.put(NameMappers.FILE_HGAV_NAME, fileHashingGavNameMapper);
410         return Collections.unmodifiableMap(result);
411     }
412 
413     @Provides
414     @Singleton
415     Map<String, NamedLockFactory> provideNamedLockFactories(
416             @Named(LocalReadWriteLockNamedLockFactory.NAME) NamedLockFactory localRwLock,
417             @Named(LocalSemaphoreNamedLockFactory.NAME) NamedLockFactory localSemaphore,
418             @Named(FileLockNamedLockFactory.NAME) NamedLockFactory fileLockFactory) {
419         Map<String, NamedLockFactory> result = new HashMap<>();
420         result.put(LocalReadWriteLockNamedLockFactory.NAME, localRwLock);
421         result.put(LocalSemaphoreNamedLockFactory.NAME, localSemaphore);
422         result.put(FileLockNamedLockFactory.NAME, fileLockFactory);
423         return Collections.unmodifiableMap(result);
424     }
425 
426     @Provides
427     @Singleton
428     Set<LocalRepositoryManagerFactory> provideLocalRepositoryManagerFactories(
429             @Named("simple") LocalRepositoryManagerFactory simple,
430             @Named("enhanced") LocalRepositoryManagerFactory enhanced) {
431         Set<LocalRepositoryManagerFactory> result = new HashSet<>();
432         result.add(simple);
433         result.add(enhanced);
434         return Collections.unmodifiableSet(result);
435     }
436 
437     @Provides
438     @Singleton
439     Set<RepositoryLayoutFactory> provideRepositoryLayoutFactories(@Named("maven2") RepositoryLayoutFactory maven2) {
440         Set<RepositoryLayoutFactory> result = new HashSet<>();
441         result.add(maven2);
442         return Collections.unmodifiableSet(result);
443     }
444 
445     @Provides
446     @Singleton
447     Set<RepositoryListener> providesRepositoryListeners() {
448         return Collections.emptySet();
449     }
450 
451     private static class Slf4jModule extends AbstractModule {
452 
453         @Override
454         protected void configure() {
455             bind(LoggerFactory.class) //
456                     .to(Slf4jLoggerFactory.class);
457         }
458 
459         @Provides
460         @Singleton
461         ILoggerFactory getLoggerFactory() {
462             return org.slf4j.LoggerFactory.getILoggerFactory();
463         }
464     }
465 }