org.apache.jackrabbit.core.query.lucene
Class PropertiesSynonymProvider

java.lang.Object
  org.apache.jackrabbit.core.query.lucene.PropertiesSynonymProvider

All Implemented Interfaces:

SynonymProvider

public class PropertiesSynonymProvider
extends java.lang.Object
implements SynonymProvider

Implements a synonym provider based on a properties file. Each line in the properties file is treated as a synonym definition. Example:

 A=B
 B=C
 

This synonym provider will return B as a synonym for A and vice versa. The same applies to B and C. However A is not considered a synonym for C, nor C a synonym for A.

Constructor Summary

PropertiesSynonymProvider()

Method Summary

java.lang.String[]	getSynonyms(java.lang.String term) Returns an array of terms that are considered synonyms for the given term.
void	initialize(FileSystemResource fsr) Initializes the synonym provider and passes the file system resource to the synonym provider configuration defined by the configuration value of the synonymProviderConfigPath parameter.

Methods inherited from class java.lang.Object

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

Constructor Detail

PropertiesSynonymProvider

public PropertiesSynonymProvider()

Method Detail

initialize

public void initialize(FileSystemResource fsr)
                throws java.io.IOException

Initializes the synonym provider and passes the file system resource to the synonym provider configuration defined by the configuration value of the synonymProviderConfigPath parameter. The resource may be null if the configuration parameter is not set.

Specified by:

initialize in interface SynonymProvider

Parameters:

fsr - the file system resource to the synonym provider configuration.

Throws:

java.io.IOException - if an error occurs while initializing the synonym provider.

getSynonyms

public java.lang.String[] getSynonyms(java.lang.String term)

Returns an array of terms that are considered synonyms for the given term.

Specified by:

getSynonyms in interface SynonymProvider

Parameters:

term - a search term.

Returns:

an array of synonyms for the given term or an empty array if no synonyms are known.