001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *   http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing,
013 * software distributed under the License is distributed on an
014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 * KIND, either express or implied.  See the License for the
016 * specific language governing permissions and limitations
017 * under the License.
018 */
019package org.eclipse.aether.impl.guice;
020
021import javax.inject.Named;
022import javax.inject.Singleton;
023
024import java.util.Collections;
025import java.util.HashMap;
026import java.util.HashSet;
027import java.util.Map;
028import java.util.Set;
029
030import com.google.inject.AbstractModule;
031import com.google.inject.Provides;
032import com.google.inject.name.Names;
033import org.eclipse.aether.RepositoryListener;
034import org.eclipse.aether.RepositorySystem;
035import org.eclipse.aether.impl.ArtifactResolver;
036import org.eclipse.aether.impl.DependencyCollector;
037import org.eclipse.aether.impl.Deployer;
038import org.eclipse.aether.impl.Installer;
039import org.eclipse.aether.impl.LocalRepositoryProvider;
040import org.eclipse.aether.impl.MetadataResolver;
041import org.eclipse.aether.impl.OfflineController;
042import org.eclipse.aether.impl.RemoteRepositoryFilterManager;
043import org.eclipse.aether.impl.RemoteRepositoryManager;
044import org.eclipse.aether.impl.RepositoryConnectorProvider;
045import org.eclipse.aether.impl.RepositoryEventDispatcher;
046import org.eclipse.aether.impl.RepositorySystemLifecycle;
047import org.eclipse.aether.impl.UpdateCheckManager;
048import org.eclipse.aether.impl.UpdatePolicyAnalyzer;
049import org.eclipse.aether.internal.impl.DefaultArtifactResolver;
050import org.eclipse.aether.internal.impl.DefaultChecksumPolicyProvider;
051import org.eclipse.aether.internal.impl.DefaultDeployer;
052import org.eclipse.aether.internal.impl.DefaultFileProcessor;
053import org.eclipse.aether.internal.impl.DefaultInstaller;
054import org.eclipse.aether.internal.impl.DefaultLocalPathComposer;
055import org.eclipse.aether.internal.impl.DefaultLocalPathPrefixComposerFactory;
056import org.eclipse.aether.internal.impl.DefaultLocalRepositoryProvider;
057import org.eclipse.aether.internal.impl.DefaultMetadataResolver;
058import org.eclipse.aether.internal.impl.DefaultOfflineController;
059import org.eclipse.aether.internal.impl.DefaultRemoteRepositoryManager;
060import org.eclipse.aether.internal.impl.DefaultRepositoryConnectorProvider;
061import org.eclipse.aether.internal.impl.DefaultRepositoryEventDispatcher;
062import org.eclipse.aether.internal.impl.DefaultRepositoryLayoutProvider;
063import org.eclipse.aether.internal.impl.DefaultRepositorySystem;
064import org.eclipse.aether.internal.impl.DefaultRepositorySystemLifecycle;
065import org.eclipse.aether.internal.impl.DefaultTrackingFileManager;
066import org.eclipse.aether.internal.impl.DefaultTransporterProvider;
067import org.eclipse.aether.internal.impl.DefaultUpdateCheckManager;
068import org.eclipse.aether.internal.impl.DefaultUpdatePolicyAnalyzer;
069import org.eclipse.aether.internal.impl.EnhancedLocalRepositoryManagerFactory;
070import org.eclipse.aether.internal.impl.LocalPathComposer;
071import org.eclipse.aether.internal.impl.LocalPathPrefixComposerFactory;
072import org.eclipse.aether.internal.impl.Maven2RepositoryLayoutFactory;
073import org.eclipse.aether.internal.impl.SimpleLocalRepositoryManagerFactory;
074import org.eclipse.aether.internal.impl.TrackingFileManager;
075import org.eclipse.aether.internal.impl.checksum.DefaultChecksumAlgorithmFactorySelector;
076import org.eclipse.aether.internal.impl.checksum.Md5ChecksumAlgorithmFactory;
077import org.eclipse.aether.internal.impl.checksum.Sha1ChecksumAlgorithmFactory;
078import org.eclipse.aether.internal.impl.checksum.Sha256ChecksumAlgorithmFactory;
079import org.eclipse.aether.internal.impl.checksum.Sha512ChecksumAlgorithmFactory;
080import org.eclipse.aether.internal.impl.checksum.SparseDirectoryTrustedChecksumsSource;
081import org.eclipse.aether.internal.impl.checksum.SummaryFileTrustedChecksumsSource;
082import org.eclipse.aether.internal.impl.checksum.TrustedToProvidedChecksumsSourceAdapter;
083import org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector;
084import org.eclipse.aether.internal.impl.collect.DependencyCollectorDelegate;
085import org.eclipse.aether.internal.impl.collect.bf.BfDependencyCollector;
086import org.eclipse.aether.internal.impl.collect.df.DfDependencyCollector;
087import org.eclipse.aether.internal.impl.filter.DefaultRemoteRepositoryFilterManager;
088import org.eclipse.aether.internal.impl.filter.GroupIdRemoteRepositoryFilterSource;
089import org.eclipse.aether.internal.impl.filter.PrefixesRemoteRepositoryFilterSource;
090import org.eclipse.aether.internal.impl.resolution.TrustedChecksumsArtifactResolverPostProcessor;
091import org.eclipse.aether.internal.impl.slf4j.Slf4jLoggerFactory;
092import org.eclipse.aether.internal.impl.synccontext.DefaultSyncContextFactory;
093import org.eclipse.aether.internal.impl.synccontext.named.NameMapper;
094import org.eclipse.aether.internal.impl.synccontext.named.NameMappers;
095import org.eclipse.aether.internal.impl.synccontext.named.NamedLockFactoryAdapterFactory;
096import org.eclipse.aether.internal.impl.synccontext.named.NamedLockFactoryAdapterFactoryImpl;
097import org.eclipse.aether.internal.impl.synccontext.named.providers.DiscriminatingNameMapperProvider;
098import org.eclipse.aether.internal.impl.synccontext.named.providers.FileGAVNameMapperProvider;
099import org.eclipse.aether.internal.impl.synccontext.named.providers.FileHashingGAVNameMapperProvider;
100import org.eclipse.aether.internal.impl.synccontext.named.providers.GAVNameMapperProvider;
101import org.eclipse.aether.internal.impl.synccontext.named.providers.StaticNameMapperProvider;
102import org.eclipse.aether.named.NamedLockFactory;
103import org.eclipse.aether.named.providers.FileLockNamedLockFactory;
104import org.eclipse.aether.named.providers.LocalReadWriteLockNamedLockFactory;
105import org.eclipse.aether.named.providers.LocalSemaphoreNamedLockFactory;
106import org.eclipse.aether.named.providers.NoopNamedLockFactory;
107import org.eclipse.aether.spi.checksums.ProvidedChecksumsSource;
108import org.eclipse.aether.spi.checksums.TrustedChecksumsSource;
109import org.eclipse.aether.spi.connector.checksum.ChecksumAlgorithmFactory;
110import org.eclipse.aether.spi.connector.checksum.ChecksumAlgorithmFactorySelector;
111import org.eclipse.aether.spi.connector.checksum.ChecksumPolicyProvider;
112import org.eclipse.aether.spi.connector.filter.RemoteRepositoryFilterSource;
113import org.eclipse.aether.spi.connector.layout.RepositoryLayoutFactory;
114import org.eclipse.aether.spi.connector.layout.RepositoryLayoutProvider;
115import org.eclipse.aether.spi.connector.transport.TransporterProvider;
116import org.eclipse.aether.spi.io.FileProcessor;
117import org.eclipse.aether.spi.localrepo.LocalRepositoryManagerFactory;
118import org.eclipse.aether.spi.log.LoggerFactory;
119import org.eclipse.aether.spi.resolution.ArtifactResolverPostProcessor;
120import org.eclipse.aether.spi.synccontext.SyncContextFactory;
121import 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
135public 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}