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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.transport.apache;
20  
21  import javax.inject.Inject;
22  import javax.inject.Named;
23  
24  import org.eclipse.aether.RepositorySystemSession;
25  import org.eclipse.aether.repository.RemoteRepository;
26  import org.eclipse.aether.spi.connector.transport.http.ChecksumExtractor;
27  import org.eclipse.aether.spi.connector.transport.http.HttpTransporter;
28  import org.eclipse.aether.spi.connector.transport.http.HttpTransporterFactory;
29  import org.eclipse.aether.transfer.NoTransporterException;
30  
31  import static java.util.Objects.requireNonNull;
32  
33  /**
34   * A transporter factory for repositories using the {@code http:} or {@code https:} protocol. The provided transporters
35   * support uploads to WebDAV servers and resumable downloads.
36   */
37  @Named(ApacheTransporterFactory.NAME)
38  public final class ApacheTransporterFactory implements HttpTransporterFactory {
39      public static final String NAME = "apache";
40  
41      private float priority = 5.0f;
42  
43      private final ChecksumExtractor checksumExtractor;
44  
45      @Inject
46      public ApacheTransporterFactory(ChecksumExtractor checksumExtractor) {
47          this.checksumExtractor = requireNonNull(checksumExtractor, "checksumExtractor");
48      }
49  
50      @Override
51      public float getPriority() {
52          return priority;
53      }
54  
55      /**
56       * Sets the priority of this component.
57       *
58       * @param priority The priority.
59       * @return This component for chaining, never {@code null}.
60       */
61      public ApacheTransporterFactory setPriority(float priority) {
62          this.priority = priority;
63          return this;
64      }
65  
66      @Override
67      public HttpTransporter newInstance(RepositorySystemSession session, RemoteRepository repository)
68              throws NoTransporterException {
69          requireNonNull(session, "session cannot be null");
70          requireNonNull(repository, "repository cannot be null");
71  
72          return new ApacheTransporter(repository, session, checksumExtractor);
73      }
74  }