/*
* 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/nasutekds/resource/legal-notices/NasuTekDS.LICENSE
* or https://NasuTekDS.dev.java.net/NasuTekDS.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/nasutekds/resource/legal-notices/NasuTekDS.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 2006-2009 Sun Microsystems, Inc.
*/
package org.nasutekds.server.schema;
import static org.nasutekds.server.schema.SchemaConstants.*;
import java.util.Collection;
import java.util.Collections;
import org.nasutekds.server.api.EqualityMatchingRule;
import org.nasutekds.server.types.ByteSequence;
import org.nasutekds.server.types.ByteString;
import org.nasutekds.server.types.DirectoryException;
import org.nasutekds.server.util.StaticUtils;
/**
* This class implements the userPasswordExactMatch matching rule, which will
* simply compare encoded hashed password values to see if they are exactly
* equal to each other.
*/
class UserPasswordExactEqualityMatchingRule
extends EqualityMatchingRule
{
/**
* Creates a new instance of this userPasswordExactMatch matching rule.
*/
public UserPasswordExactEqualityMatchingRule()
{
super();
}
/**
* {@inheritDoc}
*/
@Override
public Collection<String> getAllNames()
{
return Collections.singleton(getName());
}
/**
* 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.
*/
@Override
public String getName()
{
return EMR_USER_PASSWORD_EXACT_NAME;
}
/**
* Retrieves the OID for this matching rule.
*
* @return The OID for this matching rule.
*/
@Override
public String getOID()
{
return EMR_USER_PASSWORD_EXACT_OID;
}
/**
* Retrieves the description for this matching rule.
*
* @return The description for this matching rule, or <CODE>null</CODE> if
* there is none.
*/
@Override
public String getDescription()
{
// There is no standard description for this matching rule.
return EMR_USER_PASSWORD_EXACT_DESCRIPTION;
}
/**
* 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.
*/
@Override
public String getSyntaxOID()
{
return SYNTAX_USER_PASSWORD_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.
*/
@Override
public ByteString normalizeValue(ByteSequence value)
throws DirectoryException
{
// The normalized form of this matching rule is exactly equal to the
// non-normalized form, except that the scheme needs to be converted to
// lowercase (if there is one).
if (UserPasswordSyntax.isEncoded(value))
{
StringBuilder builder = new StringBuilder(value.length());
int closingBracePos = -1;
for (int i=1; i < value.length(); i++)
{
if (value.byteAt(i) == '}')
{
closingBracePos = i;
break;
}
}
ByteSequence seq1 = value.subSequence(0, closingBracePos + 1);
ByteSequence seq2 =
value.subSequence(closingBracePos + 1, value.length());
StaticUtils.toLowerCase(seq1, builder, false);
builder.append(seq2);
return ByteString.valueOf(builder.toString());
}
else
{
return value.toByteString();
}
}
}