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1   package org.eclipse.aether.artifact;
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.Collections;
23  import java.util.HashMap;
24  import java.util.Map;
25  
26  /**
27   * A simple artifact type.
28   */
29  public final class DefaultArtifactType
30      implements ArtifactType
31  {
32  
33      private final String id;
34  
35      private final String extension;
36  
37      private final String classifier;
38  
39      private final Map<String, String> properties;
40  
41      /**
42       * Creates a new artifact type with the specified identifier. This constructor assumes the usual file extension
43       * equals the given type id and that the usual classifier is empty. Additionally, the properties
44       * {@link ArtifactProperties#LANGUAGE}, {@link ArtifactProperties#CONSTITUTES_BUILD_PATH} and
45       * {@link ArtifactProperties#INCLUDES_DEPENDENCIES} will be set to {@code "none"}, {@code true} and {@code false},
46       * respectively.
47       * 
48       * @param id The identifier of the type which will also be used as the value for the {@link ArtifactProperties#TYPE}
49       *            property, must not be {@code null} or empty.
50       */
51      public DefaultArtifactType( String id )
52      {
53          this( id, id, "", "none", false, false );
54      }
55  
56      /**
57       * Creates a new artifact type with the specified properties. Additionally, the properties
58       * {@link ArtifactProperties#CONSTITUTES_BUILD_PATH} and {@link ArtifactProperties#INCLUDES_DEPENDENCIES} will be
59       * set to {@code true} and {@code false}, respectively.
60       * 
61       * @param id The identifier of the type which will also be used as the value for the {@link ArtifactProperties#TYPE}
62       *            property, must not be {@code null} or empty.
63       * @param extension The usual file extension for artifacts of this type, may be {@code null}.
64       * @param classifier The usual classifier for artifacts of this type, may be {@code null}.
65       * @param language The value for the {@link ArtifactProperties#LANGUAGE} property, may be {@code null}.
66       */
67      public DefaultArtifactType( String id, String extension, String classifier, String language )
68      {
69          this( id, extension, classifier, language, true, false );
70      }
71  
72      /**
73       * Creates a new artifact type with the specified properties.
74       * 
75       * @param id The identifier of the type which will also be used as the value for the {@link ArtifactProperties#TYPE}
76       *            property, must not be {@code null} or empty.
77       * @param extension The usual file extension for artifacts of this type, may be {@code null}.
78       * @param classifier The usual classifier for artifacts of this type, may be {@code null}.
79       * @param language The value for the {@link ArtifactProperties#LANGUAGE} property, may be {@code null}.
80       * @param constitutesBuildPath The value for the {@link ArtifactProperties#CONSTITUTES_BUILD_PATH} property.
81       * @param includesDependencies The value for the {@link ArtifactProperties#INCLUDES_DEPENDENCIES} property.
82       */
83      public DefaultArtifactType( String id, String extension, String classifier, String language,
84                                  boolean constitutesBuildPath, boolean includesDependencies )
85      {
86          if ( id == null || id.length() < 0 )
87          {
88              throw new IllegalArgumentException( "no type id specified" );
89          }
90          this.id = id;
91          this.extension = emptify( extension );
92          this.classifier = emptify( classifier );
93          Map<String, String> props = new HashMap<String, String>();
94          props.put( ArtifactProperties.TYPE, id );
95          props.put( ArtifactProperties.LANGUAGE, ( language != null && language.length() > 0 ) ? language : "none" );
96          props.put( ArtifactProperties.INCLUDES_DEPENDENCIES, Boolean.toString( includesDependencies ) );
97          props.put( ArtifactProperties.CONSTITUTES_BUILD_PATH, Boolean.toString( constitutesBuildPath ) );
98          properties = Collections.unmodifiableMap( props );
99      }
100 
101     /**
102      * Creates a new artifact type with the specified properties.
103      * 
104      * @param id The identifier of the type, must not be {@code null} or empty.
105      * @param extension The usual file extension for artifacts of this type, may be {@code null}.
106      * @param classifier The usual classifier for artifacts of this type, may be {@code null}.
107      * @param properties The properties for artifacts of this type, may be {@code null}.
108      */
109     public DefaultArtifactType( String id, String extension, String classifier, Map<String, String> properties )
110     {
111         if ( id == null || id.length() < 0 )
112         {
113             throw new IllegalArgumentException( "no type id specified" );
114         }
115         this.id = id;
116         this.extension = emptify( extension );
117         this.classifier = emptify( classifier );
118         this.properties = AbstractArtifact.copyProperties( properties );
119     }
120 
121     private static String emptify( String str )
122     {
123         return ( str == null ) ? "" : str;
124     }
125 
126     public String getId()
127     {
128         return id;
129     }
130 
131     public String getExtension()
132     {
133         return extension;
134     }
135 
136     public String getClassifier()
137     {
138         return classifier;
139     }
140 
141     public Map<String, String> getProperties()
142     {
143         return properties;
144     }
145 
146 }