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1   package org.eclipse.aether.repository;
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 org.eclipse.aether.RepositorySystemSession;
23  import org.eclipse.aether.metadata.Metadata;
24  
25  /**
26   * A query to the local repository for the existence of metadata.
27   * 
28   * @see LocalRepositoryManager#find(RepositorySystemSession, LocalMetadataRequest)
29   */
30  public final class LocalMetadataRequest
31  {
32  
33      private Metadata metadata;
34  
35      private String context = "";
36  
37      private RemoteRepository repository = null;
38  
39      /**
40       * Creates an uninitialized query.
41       */
42      public LocalMetadataRequest()
43      {
44          // enables default constructor
45      }
46  
47      /**
48       * Creates a query with the specified properties.
49       * 
50       * @param metadata The metadata to query for, may be {@code null}.
51       * @param repository The source remote repository for the metadata, may be {@code null} for local metadata.
52       * @param context The resolution context for the metadata, may be {@code null}.
53       */
54      public LocalMetadataRequest( Metadata metadata, RemoteRepository repository, String context )
55      {
56          setMetadata( metadata );
57          setRepository( repository );
58          setContext( context );
59      }
60  
61      /**
62       * Gets the metadata to query for.
63       * 
64       * @return The metadata or {@code null} if not set.
65       */
66      public Metadata getMetadata()
67      {
68          return metadata;
69      }
70  
71      /**
72       * Sets the metadata to query for.
73       * 
74       * @param metadata The metadata, may be {@code null}.
75       * @return This query for chaining, never {@code null}.
76       */
77      public LocalMetadataRequest setMetadata( Metadata metadata )
78      {
79          this.metadata = metadata;
80          return this;
81      }
82  
83      /**
84       * Gets the resolution context.
85       * 
86       * @return The resolution context, never {@code null}.
87       */
88      public String getContext()
89      {
90          return context;
91      }
92  
93      /**
94       * Sets the resolution context.
95       * 
96       * @param context The resolution context, may be {@code null}.
97       * @return This query for chaining, never {@code null}.
98       */
99      public LocalMetadataRequest setContext( String context )
100     {
101         this.context = ( context != null ) ? context : "";
102         return this;
103     }
104 
105     /**
106      * Gets the remote repository to use as source of the metadata.
107      * 
108      * @return The remote repositories, may be {@code null} for local metadata.
109      */
110     public RemoteRepository getRepository()
111     {
112         return repository;
113     }
114 
115     /**
116      * Sets the remote repository to use as sources of the metadata.
117      * 
118      * @param repository The remote repository, may be {@code null}.
119      * @return This query for chaining, may be {@code null} for local metadata.
120      */
121     public LocalMetadataRequest setRepository( RemoteRepository repository )
122     {
123         this.repository = repository;
124         return this;
125     }
126 
127     @Override
128     public String toString()
129     {
130         return getMetadata() + " @ " + getRepository();
131     }
132 
133 }