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1   /*******************************************************************************
2    * Copyright (c) 2010, 2012 Sonatype, Inc.
3    * All rights reserved. This program and the accompanying materials
4    * are made available under the terms of the Eclipse Public License v1.0
5    * which accompanies this distribution, and is available at
6    * http://www.eclipse.org/legal/epl-v10.html
7    *
8    * Contributors:
9    *    Sonatype, Inc. - initial API and implementation
10   *******************************************************************************/
11  package org.eclipse.aether.repository;
12  
13  import java.util.UUID;
14  
15  /**
16   * A repository backed by an IDE workspace, the output of a build session or similar ad-hoc collection of artifacts. As
17   * far as the repository system is concerned, a workspace repository is read-only, i.e. can only be used for artifact
18   * resolution but not installation/deployment. Note that this class merely describes such a repository, actual access to
19   * the contained artifacts is handled by a {@link WorkspaceReader}.
20   */
21  public final class WorkspaceRepository
22      implements ArtifactRepository
23  {
24  
25      private final String type;
26  
27      private final Object key;
28  
29      /**
30       * Creates a new workspace repository of type {@code "workspace"} and a random key.
31       */
32      public WorkspaceRepository()
33      {
34          this( "workspace" );
35      }
36  
37      /**
38       * Creates a new workspace repository with the specified type and a random key.
39       * 
40       * @param type The type of the repository, may be {@code null}.
41       */
42      public WorkspaceRepository( String type )
43      {
44          this( type, null );
45      }
46  
47      /**
48       * Creates a new workspace repository with the specified type and key. The key is used to distinguish one workspace
49       * from another and should be sensitive to the artifacts that are (potentially) available in the workspace.
50       * 
51       * @param type The type of the repository, may be {@code null}.
52       * @param key The (comparison) key for the repository, may be {@code null} to generate a unique random key.
53       */
54      public WorkspaceRepository( String type, Object key )
55      {
56          this.type = ( type != null ) ? type : "";
57          this.key = ( key != null ) ? key : UUID.randomUUID().toString().replace( "-", "" );
58      }
59  
60      public String getContentType()
61      {
62          return type;
63      }
64  
65      public String getId()
66      {
67          return "workspace";
68      }
69  
70      /**
71       * Gets the key of this workspace repository. The key is used to distinguish one workspace from another and should
72       * be sensitive to the artifacts that are (potentially) available in the workspace.
73       * 
74       * @return The (comparison) key for this workspace repository, never {@code null}.
75       */
76      public Object getKey()
77      {
78          return key;
79      }
80  
81      @Override
82      public String toString()
83      {
84          return "(" + getContentType() + ")";
85      }
86  
87      @Override
88      public boolean equals( Object obj )
89      {
90          if ( this == obj )
91          {
92              return true;
93          }
94          if ( obj == null || !getClass().equals( obj.getClass() ) )
95          {
96              return false;
97          }
98  
99          WorkspaceRepository that = (WorkspaceRepository) obj;
100 
101         return getContentType().equals( that.getContentType() ) && getKey().equals( that.getKey() );
102     }
103 
104     @Override
105     public int hashCode()
106     {
107         int hash = 17;
108         hash = hash * 31 + getKey().hashCode();
109         hash = hash * 31 + getContentType().hashCode();
110         return hash;
111     }
112 
113 }