/*
|
* 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
|
* trunk/opends/resource/legal-notices/OpenDS.LICENSE
|
* or https://OpenDS.dev.java.net/OpenDS.LICENSE.
|
* 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
|
* trunk/opends/resource/legal-notices/OpenDS.LICENSE. 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 2009-2010 Sun Microsystems, Inc.
|
*/
|
|
package org.opends.sdk.schema;
|
|
|
|
import static com.sun.opends.sdk.messages.Messages.ERR_ATTR_SYNTAX_MR_UNKNOWN_SYNTAX;
|
import static com.sun.opends.sdk.messages.Messages.WARN_MATCHING_RULE_NOT_IMPLEMENTED;
|
|
import java.util.Comparator;
|
import java.util.Iterator;
|
import java.util.List;
|
import java.util.Map;
|
|
import org.opends.sdk.*;
|
|
import com.sun.opends.sdk.util.Validator;
|
|
|
|
/**
|
* This class defines a data structure for storing and interacting with matching
|
* rules, which are used by servers to compare attribute values against
|
* assertion values when performing Search and Compare operations. They are also
|
* used to identify the value to be added or deleted when modifying entries, and
|
* are used when comparing a purported distinguished name with the name of an
|
* entry.
|
* <p>
|
* Matching rule implementations must extend the
|
* <code>MatchingRuleImplementation</code> class so they can be used by OpenDS.
|
* <p>
|
* Where ordered sets of names, or extra properties are provided, the ordering
|
* will be preserved when the associated fields are accessed via their getters
|
* or via the {@link #toString()} methods.
|
*/
|
public final class MatchingRule extends SchemaElement
|
{
|
private final String oid;
|
private final List<String> names;
|
private final boolean isObsolete;
|
private final String syntaxOID;
|
private final String definition;
|
private MatchingRuleImpl impl;
|
private Syntax syntax;
|
private Schema schema;
|
|
|
|
MatchingRule(final String oid, final List<String> names,
|
final String description, final boolean obsolete, final String syntax,
|
final Map<String, List<String>> extraProperties, final String definition,
|
final MatchingRuleImpl implementation)
|
{
|
super(description, extraProperties);
|
|
Validator.ensureNotNull(oid, names, description, syntax);
|
Validator.ensureNotNull(extraProperties);
|
this.oid = oid;
|
this.names = names;
|
this.isObsolete = obsolete;
|
this.syntaxOID = syntax;
|
|
if (definition != null)
|
{
|
this.definition = definition;
|
}
|
else
|
{
|
this.definition = buildDefinition();
|
}
|
this.impl = implementation;
|
}
|
|
|
|
/**
|
* Get a comparator that can be used to compare the attribute values
|
* normalized by this matching rule.
|
*
|
* @return A comparator that can be used to compare the attribute values
|
* normalized by this matching rule.
|
*/
|
public Comparator<ByteSequence> comparator()
|
{
|
return impl.comparator(schema);
|
}
|
|
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override
|
public boolean equals(final Object o)
|
{
|
if (o == null)
|
{
|
return false;
|
}
|
|
if (this == o)
|
{
|
return true;
|
}
|
|
if (!(o instanceof MatchingRule))
|
{
|
return false;
|
}
|
|
return getOID().equals(((MatchingRule) o).getOID());
|
}
|
|
|
|
/**
|
* Returns the normalized form of the provided assertion value, which is best
|
* suite for efficiently performing matching operations on that value. The
|
* assertion value is guarenteed to be valid against this matching rule's
|
* assertion syntax.
|
*
|
* @param value
|
* The syntax checked assertion value to be normalized.
|
* @return The normalized version of the provided assertion value.
|
* @throws DecodeException
|
* if the syntax of the value is not valid.
|
*/
|
public Assertion getAssertion(final ByteSequence value)
|
throws DecodeException
|
{
|
return impl.getAssertion(schema, value);
|
}
|
|
|
|
/**
|
* Returns the normalized form of the provided assertion substring values,
|
* which is best suite for efficiently performing matching operations on that
|
* value.
|
*
|
* @param subInitial
|
* The normalized substring value fragment that should appear at the
|
* beginning of the target value.
|
* @param subAnyElements
|
* The normalized substring value fragments that should appear in the
|
* middle of the target value.
|
* @param subFinal
|
* The normalized substring value fragment that should appear at the
|
* end of the target value.
|
* @return The normalized version of the provided assertion value.
|
* @throws DecodeException
|
* if the syntax of the value is not valid.
|
*/
|
public Assertion getAssertion(final ByteSequence subInitial,
|
final List<? extends ByteSequence> subAnyElements,
|
final ByteSequence subFinal) throws DecodeException
|
{
|
return impl.getAssertion(schema, subInitial, subAnyElements, subFinal);
|
}
|
|
|
|
/**
|
* Returns the normalized form of the provided assertion value, which is best
|
* suite for efficiently performing greater than or equal ordering matching
|
* operations on that value. The assertion value is guarenteed to be valid
|
* against this matching rule's assertion syntax.
|
*
|
* @param value
|
* The syntax checked assertion value to be normalized.
|
* @return The normalized version of the provided assertion value.
|
* @throws DecodeException
|
* if the syntax of the value is not valid.
|
*/
|
public Assertion getGreaterOrEqualAssertion(final ByteSequence value)
|
throws DecodeException
|
{
|
return impl.getGreaterOrEqualAssertion(schema, value);
|
}
|
|
|
|
/**
|
* Returns the normalized form of the provided assertion value, which is best
|
* suite for efficiently performing greater than or equal ordering matching
|
* operations on that value. The assertion value is guarenteed to be valid
|
* against this matching rule's assertion syntax.
|
*
|
* @param value
|
* The syntax checked assertion value to be normalized.
|
* @return The normalized version of the provided assertion value.
|
* @throws DecodeException
|
* if the syntax of the value is not valid.
|
*/
|
public Assertion getLessOrEqualAssertion(final ByteSequence value)
|
throws DecodeException
|
{
|
return impl.getLessOrEqualAssertion(schema, value);
|
}
|
|
|
|
/**
|
* Returns the name or OID for this schema definition. If it has one or more
|
* names, then the primary name will be returned. If it does not have any
|
* names, then the OID will be returned.
|
*
|
* @return The name or OID for this schema definition.
|
*/
|
public String getNameOrOID()
|
{
|
if (names.isEmpty())
|
{
|
return oid;
|
}
|
return names.get(0);
|
}
|
|
|
|
/**
|
* Returns an unmodifiable list containing the user-defined names that may be
|
* used to reference this schema definition.
|
*
|
* @return Returns an unmodifiable list containing the user-defined names that
|
* may be used to reference this schema definition.
|
*/
|
public List<String> getNames()
|
{
|
return names;
|
}
|
|
|
|
/**
|
* Returns the OID for this schema definition.
|
*
|
* @return The OID for this schema definition.
|
*/
|
public String getOID()
|
{
|
|
return oid;
|
}
|
|
|
|
/**
|
* Returns the OID of the assertion value syntax with which this matching rule
|
* is associated.
|
*
|
* @return The OID of the assertion value syntax with which this matching rule
|
* is associated.
|
*/
|
public Syntax getSyntax()
|
{
|
return syntax;
|
}
|
|
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override
|
public int hashCode()
|
{
|
return oid.hashCode();
|
}
|
|
|
|
/**
|
* Indicates whether this schema definition has the specified name.
|
*
|
* @param name
|
* The name for which to make the determination.
|
* @return <code>true</code> if the specified name is assigned to this schema
|
* definition, or <code>false</code> if not.
|
*/
|
public boolean hasName(final String name)
|
{
|
for (final String n : names)
|
{
|
if (n.equalsIgnoreCase(name))
|
{
|
return true;
|
}
|
}
|
return false;
|
}
|
|
|
|
/**
|
* Indicates whether this schema definition has the specified name or OID.
|
*
|
* @param value
|
* The value for which to make the determination.
|
* @return <code>true</code> if the provided value matches the OID or one of
|
* the names assigned to this schema definition, or <code>false</code>
|
* if not.
|
*/
|
public boolean hasNameOrOID(final String value)
|
{
|
return hasName(value) || getOID().equals(value);
|
}
|
|
|
|
/**
|
* Indicates whether this schema definition is declared "obsolete".
|
*
|
* @return <code>true</code> if this schema definition is declared "obsolete",
|
* or <code>false</code> if not.
|
*/
|
public boolean isObsolete()
|
{
|
return isObsolete;
|
}
|
|
|
|
/**
|
* Returns the normalized form of the provided attribute value, which is best
|
* suite for efficiently performing matching operations on that value.
|
*
|
* @param value
|
* The attribute value to be normalized.
|
* @return The normalized version of the provided attribute value.
|
* @throws DecodeException
|
* if the syntax of the value is not valid.
|
*/
|
public ByteString normalizeAttributeValue(final ByteSequence value)
|
throws DecodeException
|
{
|
return impl.normalizeAttributeValue(schema, value);
|
}
|
|
|
|
/**
|
* Returns the string representation of this schema definition in the form
|
* specified in RFC 2252.
|
*
|
* @return The string representation of this schema definition in the form
|
* specified in RFC 2252.
|
*/
|
@Override
|
public String toString()
|
{
|
return definition;
|
}
|
|
|
|
MatchingRule duplicate()
|
{
|
return new MatchingRule(oid, names, description, isObsolete, syntaxOID,
|
extraProperties, definition, impl);
|
}
|
|
|
|
@Override
|
void toStringContent(final StringBuilder buffer)
|
{
|
buffer.append(oid);
|
|
if (!names.isEmpty())
|
{
|
final Iterator<String> iterator = names.iterator();
|
|
final String firstName = iterator.next();
|
if (iterator.hasNext())
|
{
|
buffer.append(" NAME ( '");
|
buffer.append(firstName);
|
|
while (iterator.hasNext())
|
{
|
buffer.append("' '");
|
buffer.append(iterator.next());
|
}
|
|
buffer.append("' )");
|
}
|
else
|
{
|
buffer.append(" NAME '");
|
buffer.append(firstName);
|
buffer.append("'");
|
}
|
}
|
|
if (description != null && description.length() > 0)
|
{
|
buffer.append(" DESC '");
|
buffer.append(description);
|
buffer.append("'");
|
}
|
|
if (isObsolete)
|
{
|
buffer.append(" OBSOLETE");
|
}
|
|
buffer.append(" SYNTAX ");
|
buffer.append(syntaxOID);
|
}
|
|
|
|
@Override
|
void validate(final List<LocalizableMessage> warnings, final Schema schema)
|
throws SchemaException
|
{
|
// Try finding an implementation in the core schema
|
if (impl == null && Schema.getDefaultSchema().hasMatchingRule(oid))
|
{
|
impl = Schema.getDefaultSchema().getMatchingRule(oid).impl;
|
}
|
if (impl == null && Schema.getCoreSchema().hasMatchingRule(oid))
|
{
|
impl = Schema.getCoreSchema().getMatchingRule(oid).impl;
|
}
|
|
if (impl == null)
|
{
|
impl = Schema.getDefaultMatchingRule().impl;
|
final LocalizableMessage message = WARN_MATCHING_RULE_NOT_IMPLEMENTED
|
.get(oid, Schema.getDefaultMatchingRule().getOID());
|
warnings.add(message);
|
}
|
|
try
|
{
|
// Make sure the specifiec syntax is defined in this schema.
|
syntax = schema.getSyntax(syntaxOID);
|
}
|
catch (final UnknownSchemaElementException e)
|
{
|
final LocalizableMessage message = ERR_ATTR_SYNTAX_MR_UNKNOWN_SYNTAX.get(
|
getNameOrOID(), syntaxOID);
|
throw new SchemaException(message, e);
|
}
|
|
this.schema = schema;
|
}
|
}
|
