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1   package org.eclipse.aether.internal.impl.synccontext.legacy;
2   
3   /*
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *  http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.
20   */
21  
22  import java.util.Objects;
23  
24  import javax.inject.Inject;
25  import javax.inject.Named;
26  import javax.inject.Singleton;
27  
28  import org.eclipse.aether.RepositorySystemSession;
29  import org.eclipse.aether.SyncContext;
30  import org.eclipse.aether.spi.locator.Service;
31  import org.eclipse.aether.spi.locator.ServiceLocator;
32  import org.eclipse.aether.spi.synccontext.SyncContextFactory;
33  
34  import static java.util.Objects.requireNonNull;
35  
36  /**
37   * Deprecated {@link org.eclipse.aether.impl.SyncContextFactory} implementation that delegates to proper
38   * {@link SyncContextFactory} implementation. Used in Guice/SISU where we cannot bind same instance to two keys,
39   * this component "bridges" from deprecated to current.
40   *
41   * @deprecated Use the proper class from SPI module.
42   */
43  @Singleton
44  @Named
45  @Deprecated
46  public final class DefaultSyncContextFactory
47          implements org.eclipse.aether.impl.SyncContextFactory, Service
48  {
49      private SyncContextFactory delegate;
50  
51      public DefaultSyncContextFactory()
52      {
53          // default ctor for ServiceLocator
54      }
55  
56      @Inject
57      public DefaultSyncContextFactory( final SyncContextFactory delegate )
58      {
59          this.delegate = Objects.requireNonNull( delegate );
60      }
61  
62      @Override
63      public void initService( final ServiceLocator locator )
64      {
65          this.delegate = Objects.requireNonNull( locator.getService( SyncContextFactory.class ) );
66      }
67  
68      @Override
69      public SyncContext newInstance( final RepositorySystemSession session, final boolean shared )
70      {
71          requireNonNull( session, "session cannot be null" );
72          return delegate.newInstance( session, shared );
73      }
74  }