| java.lang.Object
 vqwiki.utils.lucene.LuceneTools
| LuceneTools | | final public class LuceneTools (Code) | | Contains miscellaneous utility methods for use with Lucene.
version:
$Id: LuceneTools.java 365 2003-10-05 05:07:32Z garethc $
author:
Maik Schreiber (mailto: bZ@iq-computing.de) |
| Method Summary | |
| public static int | findAfter(String text, int position)
TODO: Document this method.
Parameters:
text - TODO: Document this parameter.
Parameters:
position - TODO: Document this parameter. | | public static int | findAfter(String text, int position, int howmany)
TODO: Document this method.
Parameters:
text - TODO: Document this parameter.
Parameters:
position - TODO: Document this parameter.
Parameters:
howmany - TODO: Document this parameter. | | public static int | findBefore(String text, int position)
TODO: Document this method.
Parameters:
text - TODO: Document this parameter.
Parameters:
position - TODO: Document this parameter. | | final public static void | getTerms(Query query, HashSet terms, boolean prohibited)
Extracts all term texts of a given Query. | | public static String | highlightTerm(String term)
TODO: Document this method.
Parameters:
term - TODO: Document this parameter. | | final public static String | highlightTerms(String text, TermHighlighter highlighter, Query query, Analyzer analyzer)
Highlights a text in accordance to a given query. | | final public static String[] | outputHits(String text, Query query, Analyzer[] analyzer)
|
| findAfter | | public static int findAfter(String text, int position)(Code) | | TODO: Document this method.
Parameters:
text - TODO: Document this parameter.
Parameters:
position - TODO: Document this parameter. TODO: Document the result. |
| findAfter | | public static int findAfter(String text, int position, int howmany)(Code) | | TODO: Document this method.
Parameters:
text - TODO: Document this parameter.
Parameters:
position - TODO: Document this parameter.
Parameters:
howmany - TODO: Document this parameter. TODO: Document the result. |
| findBefore | | public static int findBefore(String text, int position)(Code) | | TODO: Document this method.
Parameters:
text - TODO: Document this parameter.
Parameters:
position - TODO: Document this parameter. TODO: Document the result. |
| getTerms | | final public static void getTerms(Query query, HashSet terms, boolean prohibited) throws IOException(Code) | | Extracts all term texts of a given Query. Term texts will be returned in lower-case.
Parameters:
query - Query to extract term texts from
Parameters:
terms - HashSet where extracted term texts should be put into (Elements: String)
Parameters:
prohibited - true to extract "prohibited" terms, too
exception:
IOException - TODO: Document this exception. |
| highlightTerm | | public static String highlightTerm(String term)(Code) | | TODO: Document this method.
Parameters:
term - TODO: Document this parameter. TODO: Document the result. |
| highlightTerms | | final public static String highlightTerms(String text, TermHighlighter highlighter, Query query, Analyzer analyzer) throws IOException(Code) | | Highlights a text in accordance to a given query.
Parameters:
text - text to highlight terms in
Parameters:
highlighter - TermHighlighter to use to highlight terms in the text
Parameters:
query - Query which contains the terms to be highlighted in the text
Parameters:
analyzer - Analyzer used to construct the Query highlighted text
exception:
IOException - TODO: Document this exception. |
| outputHits | | final public static String[] outputHits(String text, Query query, Analyzer[] analyzer) throws IOException(Code) | | Give the text, which is before the highlighted text, the highlighted text
and the text, which is afterwards
Parameters:
text - The source text
Parameters:
query - The query containing the string searched for
Parameters:
analyzer - Some analyzer An array of 3 strings, with the ten words before (as pos 0), the keyword (as pos 1) and the ten words after (as pos 2)
throws:
IOException - The stream can throw an IOException |
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