com.gisgraphy.domain.geoloc.service.fulltextsearch.spell.SpellCheckerIndexer.java Source code

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Here is the source code for com.gisgraphy.domain.geoloc.service.fulltextsearch.spell.SpellCheckerIndexer.java

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/*******************************************************************************
 *   Gisgraphy Project 
 * 
 *   This library is free software; you can redistribute it and/or
 *   modify it under the terms of the GNU Lesser General Public
 *   License as published by the Free Software Foundation; either
 *   version 2.1 of the License, or (at your option) any later version.
 * 
 *   This library is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 *   Lesser General Public License for more details.
 * 
 *   You should have received a copy of the GNU Lesser General Public
 *   License along with this library; if not, write to the Free Software
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA
 * 
 *  Copyright 2008  Gisgraphy project 
 *  David Masclet <davidmasclet@gisgraphy.com>
 *  
 *  
 *******************************************************************************/
package com.gisgraphy.domain.geoloc.service.fulltextsearch.spell;

import java.util.HashMap;
import java.util.Map;

import org.apache.solr.client.solrj.SolrQuery;
import org.apache.solr.client.solrj.response.QueryResponse;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Required;

import com.gisgraphy.domain.geoloc.service.fulltextsearch.IsolrClient;
import com.gisgraphy.domain.valueobject.Constants;

/**
 * 
 * Solr implementation of {@link ISpellCheckerIndexer}
 * 
 * @author <a href="mailto:david.masclet@gisgraphy.com">David Masclet</a>
 * 
 */
public class SpellCheckerIndexer implements ISpellCheckerIndexer {

    private IsolrClient solrClient;

    /**
     * The logger
     */
    protected static final Logger logger = LoggerFactory.getLogger(SpellCheckerIndexer.class);

    /*
     * (non-Javadoc)
     * 
     * @see com.gisgraphy.domain.geoloc.service.fulltextsearch.spell.ISpellCheckerIndexer#buildAllIndex()
     */
    public Map<String, Boolean> buildAllIndex() {
        Map<String, Boolean> resultMap = new HashMap<String, Boolean>();
        for (SpellCheckerDictionaryNames dictionary : SpellCheckerDictionaryNames.values()) {
            Boolean result = buildIndex(dictionary);
            resultMap.put(dictionary.name(), result);
        }
        return resultMap;

    }

    /*
     * (non-Javadoc)
     * 
     * @see com.gisgraphy.domain.geoloc.service.fulltextsearch.spell.ISpellCheckerIndexer#buildIndex(com.gisgraphy.domain.geoloc.service.fulltextsearch.spell.SpellCheckerDictionaryNames)
     */
    public boolean buildIndex(SpellCheckerDictionaryNames spellCheckerDictionaryName) {
        if (!SpellCheckerConfig.isEnabled()) {
            return false;
        }

        SolrQuery solrQuery = new SolrQuery();
        solrQuery.setQueryType(Constants.SolrQueryType.spellcheck.toString());
        solrQuery.add(Constants.SPELLCHECKER_DICTIONARY_NAME_PARAMETER, spellCheckerDictionaryName.toString());
        solrQuery.add(Constants.SPELLCHECKER_BUILD_PARAMETER, "true");
        solrQuery.add(Constants.SPELLCHECKER_ENABLED_PARAMETER, "true");
        solrQuery.setQuery("spell");
        try {
            QueryResponse response = solrClient.getServer().query(solrQuery);
            if (response.getStatus() != 0) {
                logger.error("Indexing dictionary " + spellCheckerDictionaryName.name() + " fails");
                return false;
            }
            logger.info("Successfully indexing dictionary " + spellCheckerDictionaryName.name());
            return true;

        } catch (Exception e) {
            logger.error(
                    "An error has occured when indexing spellchecker " + spellCheckerDictionaryName + " : " + e);
            return false;
        }

    }

    /**
     * @param solrClient
     *                the solrClient to set
     */
    @Required
    public void setSolrClient(IsolrClient solrClient) {
        this.solrClient = solrClient;
    }

}