/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at legal-notices/CDDLv1_0.txt
* or http://forgerock.org/license/CDDLv1.0.html.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at legal-notices/CDDLv1_0.txt.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information:
* Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*
* Copyright 2015 ForgeRock AS
*/
package org.opends.server.schema;
import static org.mockito.Mockito.*;
import java.util.Collection;
import java.util.Collections;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.NavigableMap;
import java.util.Set;
import java.util.TreeMap;
import java.util.TreeSet;
import org.forgerock.opendj.ldap.Assertion;
import org.forgerock.opendj.ldap.ByteString;
import org.forgerock.opendj.ldap.DecodeException;
import org.forgerock.opendj.ldap.schema.MatchingRule;
import org.forgerock.opendj.ldap.schema.Schema;
import org.forgerock.opendj.ldap.spi.Indexer;
import org.forgerock.opendj.ldap.spi.IndexingOptions;
import org.opends.server.core.DirectoryServer;
import org.opends.server.types.Attribute;
import org.opends.server.types.AttributeType;
import org.opends.server.types.DirectoryException;
import org.opends.server.types.Entry;
import org.opends.server.types.SearchFilter;
class FakeEntryIndex
{
private AttributeType attrType;
private MatchingRule matchingRule;
private Indexer indexer;
private final NavigableMap<ByteString, Set<Entry>> index = new TreeMap<>();
FakeEntryIndex(String attrName) throws DecodeException
{
attrType = DirectoryServer.getAttributeTypeOrNull(attrName);
if (attrType == null)
{
throw new IllegalArgumentException("Cannot find attribute with name \"" + attrName + "\"");
}
matchingRule = attrType.getEqualityMatchingRule();
IndexingOptions options = mock(IndexingOptions.class);
indexer = matchingRule.createIndexers(options).iterator().next();
}
void addAll(List<Entry> entries) throws DecodeException
{
for (Entry entry : entries)
{
add(entry);
}
}
void add(Entry entry) throws DecodeException
{
Attribute attribute = entry.getExactAttribute(attrType, Collections.<String>emptySet());
for (ByteString key : index(attribute))
{
Set<Entry> entries = index.get(key);
if (entries == null)
{
entries = new HashSet<>();
index.put(key, entries);
}
entries.add(entry);
}
}
private Collection<ByteString> index(Attribute attribute) throws DecodeException
{
if (attribute == null)
{
return Collections.emptySet();
}
Collection<ByteString> keys = new TreeSet<>();
for (ByteString attrValue : attribute)
{
indexer.createKeys(Schema.getDefaultSchema(), attrValue, keys);
}
return keys;
}
public Set<Entry> evaluateFilter(String filterString) throws DirectoryException, DecodeException
{
SearchFilter filter = SearchFilter.createFilterFromString(filterString);
if (!attrType.equals(filter.getAttributeType()))
{
throw new IllegalArgumentException("The search filter \"" + filterString
+ "\" should target the same attribute type as this index \"" + attrType.getNameOrOID() + "\"");
}
Assertion assertion = getAssertion(filter);
return assertion.createIndexQuery(new FakeIndexQueryFactory<Entry>(index));
}
private Assertion getAssertion(SearchFilter filter) throws DecodeException
{
switch (filter.getFilterType())
{
case EQUALITY:
return matchingRule.getAssertion(filter.getAssertionValue());
case LESS_OR_EQUAL:
return matchingRule.getLessOrEqualAssertion(filter.getAssertionValue());
case GREATER_OR_EQUAL:
return matchingRule.getGreaterOrEqualAssertion(filter.getAssertionValue());
case EXTENSIBLE_MATCH:
MatchingRule rule = DirectoryServer.getMatchingRule(filter.getMatchingRuleID());
return rule.getAssertion(filter.getAssertionValue());
default:
throw new RuntimeException("Not implemented for search filter type " + filter.getFilterType());
}
}
@Override
public String toString()
{
StringBuilder sb = new StringBuilder();
for (Map.Entry<ByteString, Set<Entry>> mapEntry : index.entrySet())
{
String key = mapEntry.getKey().toHexString();
Set<Entry> value = mapEntry.getValue();
Iterator<Entry> it = value.iterator();
if (!it.hasNext())
{
continue;
}
sb.append(key).append("\t").append(firstLine(it.next())).append("\n");
while (it.hasNext())
{
sb.append(emptyString(key.length())).append("\t").append(firstLine(it.next())).append("\n");
}
}
return sb.toString();
}
private String firstLine(Entry entry)
{
return entry.toString().split("\\n")[0] + " ...";
}
private String emptyString(int length)
{
StringBuilder sb = new StringBuilder();
for (int i = 0; i < length; i++)
{
sb.append(" ");
}
return sb.toString();
}
}