/*
|
* 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 Sun Microsystems, Inc.
|
*/
|
package org.opends.sdk.schema;
|
|
|
|
import static com.sun.opends.sdk.util.Messages.WARN_ATTR_SYNTAX_IA5_ILLEGAL_CHARACTER;
|
import static org.opends.sdk.util.StringPrepProfile.NO_CASE_FOLD;
|
import static org.opends.sdk.util.StringPrepProfile.TRIM;
|
import static org.opends.sdk.util.StringPrepProfile.prepareUnicode;
|
|
import com.sun.opends.sdk.util.Message;
|
import org.opends.sdk.DecodeException;
|
import org.opends.sdk.util.ByteSequence;
|
import org.opends.sdk.util.ByteString;
|
|
|
|
/**
|
* This class implements the caseExactIA5Match matching rule defined in
|
* RFC 2252.
|
*/
|
final class CaseExactIA5EqualityMatchingRuleImpl extends
|
AbstractMatchingRuleImpl
|
{
|
public ByteString normalizeAttributeValue(Schema schema,
|
ByteSequence value) throws DecodeException
|
{
|
final StringBuilder buffer = new StringBuilder();
|
prepareUnicode(buffer, value, TRIM, NO_CASE_FOLD);
|
|
final int bufferLength = buffer.length();
|
if (bufferLength == 0)
|
{
|
if (value.length() > 0)
|
{
|
// This should only happen if the value is composed entirely of
|
// spaces. In that case, the normalized value is a single space.
|
return SchemaConstants.SINGLE_SPACE_VALUE;
|
}
|
else
|
{
|
// The value is empty, so it is already normalized.
|
return ByteString.empty();
|
}
|
}
|
|
// Replace any consecutive spaces with a single space and watch out
|
// for non-ASCII characters.
|
for (int pos = bufferLength - 1; pos > 0; pos--)
|
{
|
final char c = buffer.charAt(pos);
|
if (c == ' ')
|
{
|
if (buffer.charAt(pos - 1) == ' ')
|
{
|
buffer.delete(pos, pos + 1);
|
}
|
}
|
else if ((c & 0x7F) != c)
|
{
|
// This is not a valid character for an IA5 string. If strict
|
// syntax enforcement is enabled, then we'll throw an exception.
|
// Otherwise, we'll get rid of the character.
|
final Message message =
|
WARN_ATTR_SYNTAX_IA5_ILLEGAL_CHARACTER.get(
|
value.toString(), String.valueOf(c));
|
throw DecodeException.error(message);
|
}
|
}
|
|
return ByteString.valueOf(buffer.toString());
|
}
|
}
|