com.liferay.portal.search.solr.facet.RangeFacetProcessor.java Source code

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Here is the source code for com.liferay.portal.search.solr.facet.RangeFacetProcessor.java

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/**
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * 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.
 */

package com.liferay.portal.search.solr.facet;

import com.liferay.portal.kernel.json.JSONArray;
import com.liferay.portal.kernel.json.JSONObject;
import com.liferay.portal.kernel.search.facet.Facet;
import com.liferay.portal.kernel.search.facet.config.FacetConfiguration;
import com.liferay.portal.kernel.util.StringPool;

import org.apache.solr.client.solrj.SolrQuery;

/**
 * @author Michael C. Han
 */
public class RangeFacetProcessor implements FacetProcessor<SolrQuery> {

    @Override
    public void processFacet(SolrQuery solrQuery, Facet facet) {
        FacetConfiguration facetConfiguration = facet.getFacetConfiguration();

        solrQuery.addFacetField(facetConfiguration.getFieldName());

        JSONObject dataJSONObject = facetConfiguration.getData();

        JSONArray rangesJSONArray = dataJSONObject.getJSONArray("ranges");

        if (rangesJSONArray == null) {
            return;
        }

        for (int i = 0; i < rangesJSONArray.length(); i++) {
            JSONObject rangeJSONObject = rangesJSONArray.getJSONObject(i);

            String range = rangeJSONObject.getString("range");

            String facetQuery = facetConfiguration.getFieldName() + StringPool.COLON + range;

            solrQuery.addFacetQuery(facetQuery);
        }
    }

}