/*
|
* 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
|
*
|
*
|
* Portions Copyright 2006-2007 Sun Microsystems, Inc.
|
*/
|
package org.opends.server.schema;
|
|
|
|
import org.opends.server.api.OrderingMatchingRule;
|
import org.opends.server.config.ConfigEntry;
|
import org.opends.server.config.ConfigException;
|
import org.opends.server.protocols.asn1.ASN1OctetString;
|
import org.opends.server.types.ByteString;
|
import org.opends.server.types.DirectoryException;
|
import org.opends.server.types.InitializationException;
|
import org.opends.server.util.StaticUtils;
|
|
import static org.opends.server.schema.SchemaConstants.*;
|
|
|
|
/**
|
* This class defines the octetStringOrderingMatch matching rule defined in
|
* X.520. This will be the default ordering matching rule for the binary and
|
* octet string syntaxes.
|
*/
|
public class OctetStringOrderingMatchingRule
|
extends OrderingMatchingRule
|
{
|
|
|
|
/**
|
* The serial version identifier required to satisfy the compiler because this
|
* class implements the <CODE>java.io.Serializable</CODE> interface. This
|
* value was generated using the <CODE>serialver</CODE> command-line utility
|
* included with the Java SDK.
|
*/
|
private static final long serialVersionUID = 3832343819704649155L;
|
|
|
|
/**
|
* Creates a new instance of this octetStringOrderingMatch matching rule.
|
*/
|
public OctetStringOrderingMatchingRule()
|
{
|
super();
|
|
}
|
|
|
|
/**
|
* Initializes this matching rule based on the information in the provided
|
* configuration entry.
|
*
|
* @param configEntry The configuration entry that contains the information
|
* to use to initialize this matching rule.
|
*
|
* @throws ConfigException If an unrecoverable problem arises in the
|
* process of performing the initialization.
|
*
|
* @throws InitializationException If a problem that is not
|
* configuration-related occurs during
|
* initialization.
|
*/
|
public void initializeMatchingRule(ConfigEntry configEntry)
|
throws ConfigException, InitializationException
|
{
|
// No initialization is required.
|
}
|
|
|
|
/**
|
* Retrieves the common name for this matching rule.
|
*
|
* @return The common name for this matching rule, or <CODE>null</CODE> if
|
* it does not have a name.
|
*/
|
public String getName()
|
{
|
return OMR_OCTET_STRING_NAME;
|
}
|
|
|
|
/**
|
* Retrieves the OID for this matching rule.
|
*
|
* @return The OID for this matching rule.
|
*/
|
public String getOID()
|
{
|
return OMR_OCTET_STRING_OID;
|
}
|
|
|
|
/**
|
* Retrieves the description for this matching rule.
|
*
|
* @return The description for this matching rule, or <CODE>null</CODE> if
|
* there is none.
|
*/
|
public String getDescription()
|
{
|
// There is no standard description for this matching rule.
|
return null;
|
}
|
|
|
|
/**
|
* Retrieves the OID of the syntax with which this matching rule is
|
* associated.
|
*
|
* @return The OID of the syntax with which this matching rule is associated.
|
*/
|
public String getSyntaxOID()
|
{
|
return SYNTAX_OCTET_STRING_OID;
|
}
|
|
|
|
/**
|
* Retrieves the normalized form of the provided value, which is best suited
|
* for efficiently performing matching operations on that value.
|
*
|
* @param value The value to be normalized.
|
*
|
* @return The normalized version of the provided value.
|
*
|
* @throws DirectoryException If the provided value is invalid according to
|
* the associated attribute syntax.
|
*/
|
public ByteString normalizeValue(ByteString value)
|
throws DirectoryException
|
{
|
return new ASN1OctetString(value.value());
|
}
|
|
|
|
/**
|
* Compares the first value to the second and returns a value that indicates
|
* their relative order.
|
*
|
* @param value1 The normalized form of the first value to compare.
|
* @param value2 The normalized form of the second value to compare.
|
*
|
* @return A negative integer if <CODE>value1</CODE> should come before
|
* <CODE>value2</CODE> in ascending order, a positive integer if
|
* <CODE>value1</CODE> should come after <CODE>value2</CODE> in
|
* ascending order, or zero if there is no difference between the
|
* values with regard to ordering.
|
*/
|
public int compareValues(ByteString value1, ByteString value2)
|
{
|
return compare(value1.value(), value2.value());
|
}
|
|
|
|
/**
|
* Compares the contents of the provided byte arrays to determine their
|
* relative order.
|
*
|
* @param b1 The first byte array to use in the comparison.
|
* @param b2 The second byte array to use in the comparison.
|
*
|
* @return A negative integer if <CODE>b1</CODE> should come before
|
* <CODE>b2</CODE> in ascending order, a positive integer if
|
* <CODE>b1</CODE> should come after <CODE>b2</CODE> in ascending
|
* order, or zero if there is no difference between the values with
|
* regard to ordering.
|
*/
|
public int compare(byte[] b1, byte[] b2)
|
{
|
return StaticUtils.compare(b1, b2);
|
}
|
}
|
