jline
Class CandidateListCompletionHandler

java.lang.Object
  jline.CandidateListCompletionHandler

All Implemented Interfaces:

CompletionHandler

public class CandidateListCompletionHandler

extends java.lang.Object

implements CompletionHandler

A CompletionHandler that deals with multiple distinct completions by outputting the complete list of possibilities to the console. This mimics the behavior of the readline library.

TODO:

• handle quotes and escaped quotes
• enable automatic escaping of whitespace

Author:

Marc Prud'hommeaux

Field Summary

private static java.util.ResourceBundle

loc

Constructor Summary

CandidateListCompletionHandler()

Method Summary

boolean	complete(ConsoleReader reader, java.util.List candidates, int pos)
private java.lang.String	getUnambiguousCompletions(java.util.List candidates) Returns a root that matches all the String elements of the specified List, or null if there are no commalities.
private void	printCandidates(ConsoleReader reader, java.util.Collection candidates) Print out the candidates.
private static void	setBuffer(ConsoleReader reader, java.lang.String value, int offset)
private boolean	startsWith(java.lang.String starts, java.lang.String[] candidates)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

loc

private static java.util.ResourceBundle loc

Constructor Detail

CandidateListCompletionHandler

public CandidateListCompletionHandler()

Method Detail

complete

public boolean complete(ConsoleReader reader,
                        java.util.List candidates,
                        int pos)
                 throws java.io.IOException

Specified by:

complete in interface CompletionHandler

Throws:

java.io.IOException

setBuffer

private static void setBuffer(ConsoleReader reader,
                              java.lang.String value,
                              int offset)
                       throws java.io.IOException

Throws:

java.io.IOException

printCandidates

private final void printCandidates(ConsoleReader reader,
                                   java.util.Collection candidates)
                            throws java.io.IOException

Print out the candidates. If the size of the candidates is greated than the getAutoprintThreshhold, they prompt with aq warning.

Parameters:

candidates - the list of candidates to print

Throws:

java.io.IOException

getUnambiguousCompletions

private final java.lang.String getUnambiguousCompletions(java.util.List candidates)

Returns a root that matches all the String elements of the specified List, or null if there are no commalities. For example, if the list contains foobar, foobaz, foobuz, the method will return foob.

startsWith

private final boolean startsWith(java.lang.String starts,
                                 java.lang.String[] candidates)

Returns:

true is all the elements of candidates start with starts