001
014
015 package com.liferay.portal.kernel.search.facet;
016
017 import com.liferay.portal.kernel.json.JSONArray;
018 import com.liferay.portal.kernel.json.JSONObject;
019 import com.liferay.portal.kernel.log.Log;
020 import com.liferay.portal.kernel.log.LogFactoryUtil;
021 import com.liferay.portal.kernel.search.BooleanClause;
022 import com.liferay.portal.kernel.search.BooleanClauseFactoryUtil;
023 import com.liferay.portal.kernel.search.BooleanClauseOccur;
024 import com.liferay.portal.kernel.search.BooleanQuery;
025 import com.liferay.portal.kernel.search.BooleanQueryFactoryUtil;
026 import com.liferay.portal.kernel.search.ParseException;
027 import com.liferay.portal.kernel.search.SearchContext;
028 import com.liferay.portal.kernel.search.TermQuery;
029 import com.liferay.portal.kernel.search.TermQueryFactoryUtil;
030 import com.liferay.portal.kernel.search.facet.config.FacetConfiguration;
031 import com.liferay.portal.kernel.search.facet.util.FacetValueValidator;
032 import com.liferay.portal.kernel.util.GetterUtil;
033 import com.liferay.portal.kernel.util.StringUtil;
034
035
038 public class MultiValueFacet extends BaseFacet {
039
040 public MultiValueFacet(SearchContext searchContext) {
041 super(searchContext);
042 }
043
044 @Override
045 protected BooleanClause doGetFacetClause() {
046 SearchContext searchContext = getSearchContext();
047
048 FacetConfiguration facetConfiguration = getFacetConfiguration();
049
050 JSONObject dataJSONObject = facetConfiguration.getData();
051
052 String[] values = null;
053
054 if (isStatic() && dataJSONObject.has("values")) {
055 JSONArray valuesJSONArray = dataJSONObject.getJSONArray("values");
056
057 values = new String[valuesJSONArray.length()];
058
059 for (int i = 0; i < valuesJSONArray.length(); i++) {
060 values[i] = valuesJSONArray.getString(i);
061 }
062 }
063
064 String[] valuesParam = StringUtil.split(
065 GetterUtil.getString(searchContext.getAttribute(getFieldName())));
066
067 if (!isStatic() && (valuesParam != null) && (valuesParam.length > 0)) {
068 values = valuesParam;
069 }
070
071 if ((values == null) || (values.length == 0)) {
072 return null;
073 }
074
075 BooleanQuery facetQuery = BooleanQueryFactoryUtil.create(searchContext);
076
077 for (String value : values) {
078 FacetValueValidator facetValueValidator = getFacetValueValidator();
079
080 if ((searchContext.getUserId() > 0) &&
081 (!facetValueValidator.check(searchContext, value))) {
082
083 continue;
084 }
085
086 TermQuery termQuery = TermQueryFactoryUtil.create(
087 searchContext, getFieldName(), value);
088
089 try {
090 facetQuery.add(termQuery, BooleanClauseOccur.SHOULD);
091 }
092 catch (ParseException pe) {
093 _log.error(pe, pe);
094 }
095 }
096
097 if (!facetQuery.hasClauses()) {
098 return null;
099 }
100
101 return BooleanClauseFactoryUtil.create(
102 facetQuery, BooleanClauseOccur.MUST.getName());
103 }
104
105 private static Log _log = LogFactoryUtil.getLog(MultiValueFacet.class);
106
107 }