org.crosswire.jsword.book.search.lucene
Class QueryBuilder

java.lang.Object
  extended by org.crosswire.jsword.book.search.lucene.QueryBuilder

public final class QueryBuilder
extends Object

A query can have a optional range specifier and an optional blur specifier. The range specifier can be +[range], -[range] or just [range]. This must stand at the beginning of the query and may be surrounded by whitespace. The blur specifier is either ~ or ~n, where ~ means adjacent verses, but ~n means to blur by n verses.

Author:
DM Smith [dmsmith555 at yahoo dot com]
See Also:
for license details. The copyright to this program is held by it's authors.

Field Summary
private static Pattern BLUR_PATTERN
          The pattern of a blur.
private static Pattern RANGE_PATTERN
          The pattern of a range.
 
Constructor Summary
private QueryBuilder()
          Prevent Instansiation
 
Method Summary
static List tokenize(String aSearch)
          Tokenize a query into a list of Tokens.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

RANGE_PATTERN

private static final Pattern RANGE_PATTERN
The pattern of a range. This is anything that is contained between a leading [] (but not containing a [ or ]), with a + or - optional prefix, perhaps surrounded by whitespace.


BLUR_PATTERN

private static final Pattern BLUR_PATTERN
The pattern of a blur. A '~', optionally followed by a number, representing the number of verses.

Constructor Detail

QueryBuilder

private QueryBuilder()
Prevent Instansiation

Method Detail

tokenize

public static List tokenize(String aSearch)
Tokenize a query into a list of Tokens.

Parameters:
aSearch - The text to parse
Returns:
A List of selected Tokens

Copyright ยจ 2003-2005