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33
34 package edu.rice.cs.util;
35
36 import java.io.File JavaDoc;
37 /** An interface to give GlobalModel a directory for various operations.
38  *
39  * @version $Id: DirectorySelector.java 3901 2006-06-30 05:28:11Z rcartwright $
40  */

41 public interface DirectorySelector {
42   
43   /** Gets a directory.
44    * @param start a file to start the search from, or null to allow implementation to determine
45    * @return any valid directory on the file system
46    * @throws OperationCanceledException if the selection request is canceled
47    */

48   public File JavaDoc getDirectory(File JavaDoc start) throws OperationCanceledException;
49   
50   /** Asks the user a yes/no question.
51    * @return true if the user responded affirmatively, false if negatively
52    */

53   public boolean askUser(String JavaDoc message, String JavaDoc title);
54   
55   /** Warns the user about an error condition. */
56   public void warnUser(String JavaDoc message, String JavaDoc title);
57   
58   /** Returns true if the user wants the directory to include all subdirectories. */
59   public boolean isRecursive();
60   
61 }
62
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