/**
* Split wordlist by blank space and create an OR criteria with each resulting word. Words are
* added using wildcards.
*
* @param wordList a string with a list of words
* @param fieldName the name of the field where criteria is applied.
* @return an OR criteria with each word contained in wordlist.
*/
private Criteria splitAndOrCriteria(String wordList, String fieldName) {
Criteria orCriteria = null;
String[] words = StringUtils.split(wordList);
for (String word : words) {
if (orCriteria == null) {
orCriteria = new Criteria(fieldName).contains(word);
} else {
orCriteria = orCriteria.or(new Criteria(fieldName).contains(word));
}
}
if (orCriteria != null) {
SimpleQuery query = new SimpleQuery(orCriteria);
DefaultQueryParser parser = new DefaultQueryParser();
String queryString = parser.getQueryString(query);
return new SimpleStringCriteria("(" + queryString + ")");
} else {
return null;
}
}
/**
* Transform the record in {@link SolrQuery} executable by an {@link
* org.apache.solr.client.solrj.impl.HttpSolrServer}.
*
* @return the {@link SolrQuery} built with the data page this.
*/
public SolrQuery toSolrQuery() {
SolrQuery solrQuery = new SolrQuery();
if (StringUtils.isNotBlank(customSolrQuery)) {
solrQuery.setQuery(customSolrQuery);
} else {
solrQuery.setQuery("*:*");
// data repositories
if (dataRepositories != null && dataRepositories.size() > 0) {
Criteria institutionCriteria = null;
for (String institution : dataRepositories) {
if (institutionCriteria == null) {
institutionCriteria = new Criteria(SolrRecord.INSTITUTION).is(institution);
} else {
institutionCriteria =
institutionCriteria.or(new Criteria(SolrRecord.INSTITUTION).is(institution));
}
}
SimpleQuery query = new SimpleQuery(institutionCriteria);
DefaultQueryParser parser = new DefaultQueryParser();
String queryString = parser.getQueryString(query);
solrQuery.addFilterQuery(queryString);
} else {
solrQuery.addFilterQuery(SolrRecord.INSTITUTION + ":*");
}
// theme keywords
if (StringUtils.isNotBlank(themeKeyword)) {
solrQuery.addFilterQuery(SolrRecord.THEME_KEYWORDS + ":" + themeKeyword);
solrQuery.add(PF, SolrRecord.THEME_KEYWORDS + ":'" + themeKeyword + "'^9.0");
solrQuery.add(PF, SolrRecord.LAYER_DISPLAY_NAME + ":'" + themeKeyword + "'^9.0");
}
if (StringUtils.isNotBlank(placeKeyword)) {
solrQuery.addFilterQuery(SolrRecord.PLACE_KEYWORDS + ":" + placeKeyword);
solrQuery.add(PF, SolrRecord.PLACE_KEYWORDS + ":'" + placeKeyword + "'^9.0");
}
if (StringUtils.isNotBlank(topicCategory)) {
solrQuery.addFilterQuery(SolrRecord.ISO_TOPIC_CATEGORY + ":" + this.topicCategory);
}
if (dateFrom != null || dateTo != null) {
Criteria contentDateCriteria =
Criteria.where(SolrRecord.CONTENT_DATE).between(dateFrom, dateTo);
SimpleQuery query = new SimpleQuery(contentDateCriteria);
DefaultQueryParser parser = new DefaultQueryParser();
String queryString = parser.getQueryString(query);
solrQuery.addFilterQuery(queryString);
}
if (StringUtils.isNotBlank(originator)) {
String originatorCriteria =
splitAndConcatenateUsingOperator(Operator.AND, SolrRecord.ORIGINATOR, originator);
solrQuery.addFilterQuery(originatorCriteria);
solrQuery.add(PF, SolrRecord.ORIGINATOR + ":" + originator);
}
if (dataTypes != null && dataTypes.size() > 0) {
StringBuilder concatenatedType = new StringBuilder();
for (DataType dType : dataTypes) {
concatenatedType.append(dType.toString().replace(" ", "+")).append(" ");
}
String dataTypeCriteria =
splitAndConcatenateUsingOperator(
Operator.OR, SolrRecord.DATA_TYPE, concatenatedType.toString());
solrQuery.add("fq", dataTypeCriteria);
}
if (excludeRestrictedData) {
solrQuery.addFilterQuery(SolrRecord.ACCESS + ":" + AccessLevel.Public);
}
if (fromSolrTimestamp != null || toSolrTimestamp != null) {
Criteria solrTimestampCriteria =
Criteria.where(SolrRecord.TIMESTAMP).between(fromSolrTimestamp, toSolrTimestamp);
SimpleQuery query = new SimpleQuery(solrTimestampCriteria);
DefaultQueryParser parser = new DefaultQueryParser();
String queryString = parser.getQueryString(query);
solrQuery.addFilterQuery(queryString);
}
// Add bbox filter only if user has not specified a custom solr
// query.
buildBoundigBoxQuery(solrQuery);
String synonymsFilter = generateSynonymsQuery();
if (StringUtils.isNotBlank(synonymsFilter)) {
solrQuery.addFilterQuery(synonymsFilter);
}
}
solrQuery.setRows(pageSize);
solrQuery.setStart(page * pageSize);
solrQuery.addSort(SortClause.desc("score"));
return solrQuery;
}
