/** @return Returns true if the pattern is present, otherwise false. */
public boolean like(
NodeRef nodeRef, QName propertyQName, String sqlLikePattern, boolean includeFTS) {
if (propertyQName == null) {
throw new IllegalArgumentException("Property QName is mandatory for the like expression");
}
StringBuilder sb = new StringBuilder(sqlLikePattern.length() * 3);
if (includeFTS) {
// convert the SQL-like pattern into a Lucene-compatible string
String pattern =
SearchLanguageConversion.convertXPathLikeToLucene(sqlLikePattern.toLowerCase());
// build Lucene search string specific to the node
sb = new StringBuilder();
sb.append("+ID:\"").append(nodeRef.toString()).append("\" +(");
// FTS or attribute matches
if (includeFTS) {
sb.append("TEXT:(").append(pattern).append(") ");
}
if (propertyQName != null) {
sb.append(" @")
.append(
SearchLanguageConversion.escapeLuceneQuery(
QName.createQName(
propertyQName.getNamespaceURI(),
ISO9075.encode(propertyQName.getLocalName()))
.toString()))
.append(":(")
.append(pattern)
.append(")");
}
sb.append(")");
ResultSet resultSet = null;
try {
resultSet = this.query(nodeRef.getStoreRef(), "lucene", sb.toString());
boolean answer = resultSet.length() > 0;
return answer;
} finally {
if (resultSet != null) {
resultSet.close();
}
}
} else {
// convert the SQL-like pattern into a Lucene-compatible string
String pattern =
SearchLanguageConversion.convertXPathLikeToRegex(sqlLikePattern.toLowerCase());
Serializable property = nodeService.getProperty(nodeRef, propertyQName);
if (property == null) {
return false;
} else {
String propertyString =
DefaultTypeConverter.INSTANCE.convert(
String.class, nodeService.getProperty(nodeRef, propertyQName));
return propertyString.toLowerCase().matches(pattern);
}
}
}
/** @return Returns true if the pattern is present, otherwise false. */
public boolean contains(
NodeRef nodeRef,
QName propertyQName,
String googleLikePattern,
SearchParameters.Operator defaultOperator) {
ResultSet resultSet = null;
try {
// build Lucene search string specific to the node
StringBuilder sb = new StringBuilder();
sb.append("+ID:\"")
.append(nodeRef.toString())
.append("\" +(TEXT:(")
.append(googleLikePattern.toLowerCase())
.append(") ");
if (propertyQName != null) {
sb.append(" OR @")
.append(
SearchLanguageConversion.escapeLuceneQuery(
QName.createQName(
propertyQName.getNamespaceURI(),
ISO9075.encode(propertyQName.getLocalName()))
.toString()));
sb.append(":(").append(googleLikePattern.toLowerCase()).append(")");
} else {
for (QName key : nodeService.getProperties(nodeRef).keySet()) {
sb.append(" OR @")
.append(
SearchLanguageConversion.escapeLuceneQuery(
QName.createQName(key.getNamespaceURI(), ISO9075.encode(key.getLocalName()))
.toString()));
sb.append(":(").append(googleLikePattern.toLowerCase()).append(")");
}
}
sb.append(")");
SearchParameters sp = new SearchParameters();
sp.setLanguage(SearchService.LANGUAGE_LUCENE);
sp.setQuery(sb.toString());
sp.setDefaultOperator(defaultOperator);
sp.addStore(nodeRef.getStoreRef());
resultSet = this.query(sp);
boolean answer = resultSet.length() > 0;
return answer;
} finally {
if (resultSet != null) {
resultSet.close();
}
}
}
/** Searches for the node or nodes that match the path element for the given parent node */
private List<NodeRef> getDirectDescendents(NodeRef pathRootNodeRef, String pathElement) {
if (logger.isDebugEnabled()) {
logger.debug(
"Getting direct descendents: \n"
+ " Path Root: "
+ pathRootNodeRef
+ "\n"
+ " Path Element: "
+ pathElement);
}
List<NodeRef> results = null;
// if this contains no wildcards, then we can fasttrack it
if (!WildCard.containsWildcards(pathElement)) {
// a specific name is required
NodeRef foundNodeRef = fileFolderService.searchSimple(pathRootNodeRef, pathElement);
if (foundNodeRef == null) {
results = Collections.emptyList();
} else {
results = Collections.singletonList(foundNodeRef);
}
} else {
// escape for the Lucene syntax search
String escapedPathElement = SearchLanguageConversion.convertCifsToLucene(pathElement);
// do the lookup
List<org.alfresco.service.cmr.model.FileInfo> childInfos =
fileFolderService.search(pathRootNodeRef, escapedPathElement, false);
// convert to noderefs
results = new ArrayList<NodeRef>(childInfos.size());
for (org.alfresco.service.cmr.model.FileInfo info : childInfos) {
results.add(info.getNodeRef());
}
}
// done
return results;
}