in modules/jndi/src/main/java/org/apache/harmony/jndi/provider/ldap/LdapSchemaFilter.java [58:248]
private HashSet<SearchResult> doFilter(
HashSet<SearchResult> currentResults, Filter filter)
throws NamingException {
List<Filter> filters;
HashSet<SearchResult> filteredResults = null;
HashSet<SearchResult> tempResults;
Iterator<SearchResult> iterator;
AttributeTypeAndValuePair pair;
String attributeType;
Object attributeValue;
SearchResult searchResult;
Attribute attr;
NamingEnumeration<?> valuesEnum;
Object value;
boolean hasMatch;
switch (filter.getType()) {
case Filter.AND_FILTER:
filteredResults = currentResults;
filters = filter.getChildren();
for (int i = 0; i < filters.size(); i++) {
filteredResults = doFilter(filteredResults, filters.get(i));
}
break;
case Filter.OR_FILTER:
filters = filter.getChildren();
filteredResults = new HashSet<SearchResult>();
for (int i = 0; i < filters.size(); i++) {
tempResults = doFilter(currentResults, filters.get(i));
filteredResults.addAll(tempResults);
}
break;
case Filter.NOT_FILTER:
filteredResults = new HashSet<SearchResult>();
Filter tempFilter = (Filter) filter.getValue();
tempResults = doFilter(currentResults, tempFilter);
iterator = currentResults.iterator();
while (iterator.hasNext()) {
searchResult = iterator.next();
if (!tempResults.contains(searchResult)) {
filteredResults.add(searchResult);
}
}
break;
case Filter.EQUALITY_MATCH_FILTER:
case Filter.APPROX_MATCH_FILTER:
filteredResults = new HashSet<SearchResult>();
pair = (AttributeTypeAndValuePair) filter.getValue();
attributeType = pair.getType();
attributeValue = pair.getValue();
iterator = currentResults.iterator();
while (iterator.hasNext()) {
searchResult = iterator.next();
attr = searchResult.getAttributes().get(attributeType);
if (attr != null) {
hasMatch = false;
valuesEnum = attr.getAll();
while (valuesEnum.hasMore()) {
value = valuesEnum.next();
if (attributeValue.toString().equalsIgnoreCase(
value.toString())) {
hasMatch = true;
}
}
if (hasMatch) {
filteredResults.add(searchResult);
}
}
}
break;
case Filter.SUBSTRINGS_FILTER:
filteredResults = new HashSet<SearchResult>();
Filter.SubstringFilter substringFilter = (SubstringFilter) filter
.getValue();
attributeType = substringFilter.getType();
List<ChosenValue> list = substringFilter.getSubstrings();
String attributePatternValue = ""; //$NON-NLS-1$
for (int i = 0; i < list.size(); i++) {
attributePatternValue += list.get(i).getValue().toString();
}
attributePatternValue = attributePatternValue.replaceAll("\\*", //$NON-NLS-1$
".*"); //$NON-NLS-1$
Pattern pattern = Pattern.compile(attributePatternValue,
Pattern.CASE_INSENSITIVE);
iterator = currentResults.iterator();
while (iterator.hasNext()) {
searchResult = iterator.next();
attr = searchResult.getAttributes().get(attributeType);
if (attr != null) {
hasMatch = false;
valuesEnum = attr.getAll();
while (valuesEnum.hasMore()) {
value = valuesEnum.next();
if (pattern.matcher(value.toString()).matches()) {
hasMatch = true;
}
}
if (hasMatch) {
filteredResults.add(searchResult);
}
}
}
break;
case Filter.GREATER_OR_EQUAL_FILTER:
filteredResults = new HashSet<SearchResult>();
pair = (AttributeTypeAndValuePair) filter.getValue();
attributeType = pair.getType();
attributeValue = pair.getValue();
iterator = currentResults.iterator();
while (iterator.hasNext()) {
searchResult = iterator.next();
attr = searchResult.getAttributes().get(attributeType);
if (attr != null) {
hasMatch = false;
valuesEnum = attr.getAll();
while (valuesEnum.hasMore()) {
value = valuesEnum.next();
if ((value.toString().compareTo(attributeValue
.toString())) >= 0) {
hasMatch = true;
}
}
if (hasMatch) {
filteredResults.add(searchResult);
}
}
}
break;
case Filter.LESS_OR_EQUAL_FILTER:
filteredResults = new HashSet<SearchResult>();
pair = (AttributeTypeAndValuePair) filter.getValue();
attributeType = pair.getType();
attributeValue = pair.getValue();
iterator = currentResults.iterator();
while (iterator.hasNext()) {
searchResult = iterator.next();
attr = searchResult.getAttributes().get(attributeType);
if (attr != null) {
hasMatch = false;
valuesEnum = attr.getAll();
while (valuesEnum.hasMore()) {
value = valuesEnum.next();
if ((value.toString().compareTo(attributeValue
.toString())) <= 0) {
hasMatch = true;
}
}
if (hasMatch) {
filteredResults.add(searchResult);
}
}
}
break;
case Filter.PRESENT_FILTER:
filteredResults = new HashSet<SearchResult>();
attributeType = filter.getValue().toString();
iterator = currentResults.iterator();
while (iterator.hasNext()) {
searchResult = iterator.next();
attr = searchResult.getAttributes().get(attributeType);
if (attr != null) {
filteredResults.add(searchResult);
}
}
break;
case Filter.EXTENSIBLE_MATCH_FILTER:
// TODO
break;
default:
// Never reach here.
}
return filteredResults;
}