ConfigurableTransformer


1   /*
2   
3   This software is OSI Certified Open Source Software.
4   OSI Certified is a certification mark of the Open Source Initiative.
5   
6   The license (Mozilla version 1.0) can be read at the MMBase site.
7   See http://www.MMBase.org/license
8   
9   */
10  package org.mmbase.util.transformers;
11  
12  import java.util.Map  ;
13  
14  /**
15   * Interface for transformations. The 'configurable' version can be configured with an integer, so
16   * the transformer can work in a limited number of ways. This is to avoid a wild growth of class,
17   * because you can influence the behaviour a bit by such a setting.
18   *
19   * @author Michiel Meeuwissen
20   * @since MMBase-1.7
21   */
22  
23  public interface ConfigurableTransformer extends Transformer {
24  
25      /**
26       * If a transformer can handle more then one destination
27       * format, it can be configured with this.
28       *
29       * There must be a default, since <code>to</code> can be null.
30       */
31  
32      void configure(int to);
33  
34      /**
35       * Returns which transformations can be done by an object of this class.
36       *
37       * @return A Map with String Integer/Class pairs.
38       */
39      Map   transformers();
40  
41      /**
42       * Returns the encoding that is currently active
43       *
44       * @return An String representing the coding that is currently used.
45       */
46      String   getEncoding();
47  
48  }
49

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