PropertyProvider


1   /*
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3    * and Distribution License (the License). You may not use this file except in
4    * compliance with the License.
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11   * If applicable, add the following below the CDDL Header, with the fields
12   * enclosed by brackets [] replaced by your own identifying information:
13   * "Portions Copyrighted [year] [name of copyright owner]"
14   *
15   * The Original Software is NetBeans. The Initial Developer of the Original
16   * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
17   * Microsystems, Inc. All Rights Reserved.
18   */
19  
20  package org.netbeans.modules.ruby.spi.project.support.rake;
21  
22  import java.util.Map  ;
23  import javax.swing.event.ChangeListener  ;
24  
25  /**
26   * Provides a set of Ant property definitions that might be evaluated in
27   * some context.
28   * <p>
29   * This interface defines no independent thread safety, but in typical usage
30   * it will be used with the project manager mutex. Changes should be fired
31   * synchronously.
32   * @author Jesse Glick
33   */
34  public interface PropertyProvider {
35  
36      /**
37       * Get all defined properties.
38       * The values might contain Ant-style property references.
39       * @return all properties defined in this block
40       */
41      Map  <String  ,String  > getProperties();
42      
43      /**
44       * Add a change listener.
45       * When the set of available properties, or some of the values, change,
46       * this listener should be notified.
47       * @param l a listener to add
48       */
49      void addChangeListener(ChangeListener   l);
50      
51      /**
52       * Remove a change listener.
53       * @param l a listener to remove
54       */
55      void removeChangeListener(ChangeListener   l);
56      
57  }
58
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