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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.apache.maven.repository;
20  
21  /**
22   * Describes a resource being uploaded or downloaded by the repository system.
23   *
24   * @author Benjamin Bentmann
25   */
26  public interface ArtifactTransferResource {
27  
28      /**
29       * The base URL of the repository, e.g. "http://repo1.maven.org/maven2/". Unless the URL is unknown, it will be
30       * terminated by a trailing slash.
31       *
32       * @return The base URL of the repository or an empty string if unknown, never {@code null}.
33       */
34      String getRepositoryUrl();
35  
36      /**
37       * The path of the artifact relative to the repository's base URL.
38       *
39       * @return The path of the artifact, never {@code null}.
40       */
41      String getName();
42  
43      /**
44       * Gets the full URL of the artifact.
45       *
46       * @return The full URL of the artifact, never {@code null}.
47       */
48      String getUrl();
49  
50      /**
51       * The size of the artifact in bytes.
52       *
53       * @return The of the artifact in bytes or a negative value if unknown.
54       */
55      long getContentLength();
56  
57      /**
58       * Gets the timestamp when the transfer of this artifact was started.
59       *
60       * @return The timestamp when the transfer of this artifact was started.
61       */
62      long getTransferStartTime();
63  }