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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *  http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  
18  package org.apache.any23.extractor;
19  
20  import org.apache.any23.rdf.Prefixes;
21  
22  /**
23   *
24   * It defines a minimal signature for an {@link Extractor} description.
25   *
26   */
27  public interface ExtractorDescription {
28  
29      /**
30       * Returns the name of the extractor.
31       *
32       * @return a name.
33       */
34      String getExtractorName();
35  
36      /**
37       * Returns the label for extractors created from this factory.
38       * 
39       * @return A string label describing the type of extractors created from this factory.
40       */
41      String getExtractorLabel();
42  
43      /**
44       * An instance defining the prefixes supported by this extractor.
45       *
46       * @return prefixes instance.
47       */
48      Prefixes getPrefixes();
49  
50  }