/*
|
* 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 org.opends.sdk.schema.SchemaConstants.EMR_CASE_IGNORE_OID;
|
import static org.opends.sdk.schema.SchemaConstants.OMR_CASE_IGNORE_OID;
|
import static org.opends.sdk.schema.SchemaConstants.SMR_CASE_IGNORE_OID;
|
import static org.opends.sdk.schema.SchemaConstants.SYNTAX_SUBSTRING_ASSERTION_NAME;
|
|
import org.opends.messages.MessageBuilder;
|
import org.opends.messages.SchemaMessages;
|
import org.opends.sdk.util.ByteSequence;
|
|
|
|
/**
|
* This class defines the substring assertion attribute syntax, which
|
* contains one or more substring components, as used in a substring
|
* search filter. For the purposes of matching, it will be treated like
|
* a Directory String syntax except that approximate matching will not
|
* be allowed.
|
*/
|
final class SubstringAssertionSyntaxImpl extends AbstractSyntaxImpl
|
{
|
|
@Override
|
public String getEqualityMatchingRule()
|
{
|
return EMR_CASE_IGNORE_OID;
|
}
|
|
|
|
public String getName()
|
{
|
return SYNTAX_SUBSTRING_ASSERTION_NAME;
|
}
|
|
|
|
@Override
|
public String getOrderingMatchingRule()
|
{
|
return OMR_CASE_IGNORE_OID;
|
}
|
|
|
|
@Override
|
public String getSubstringMatchingRule()
|
{
|
return SMR_CASE_IGNORE_OID;
|
}
|
|
|
|
public boolean isHumanReadable()
|
{
|
return true;
|
}
|
|
|
|
/**
|
* Indicates whether the provided value is acceptable for use in an
|
* attribute with this syntax. If it is not, then the reason may be
|
* appended to the provided buffer.
|
*
|
* @param schema
|
* The schema in which this syntax is defined.
|
* @param value
|
* The value for which to make the determination.
|
* @param invalidReason
|
* The buffer to which the invalid reason should be appended.
|
* @return <CODE>true</CODE> if the provided value is acceptable for
|
* use with this syntax, or <CODE>false</CODE> if not.
|
*/
|
public boolean valueIsAcceptable(Schema schema, ByteSequence value,
|
MessageBuilder invalidReason)
|
{
|
// Get the string representation of the value and check its length.
|
// A zero-length value is acceptable. A one-length value is
|
// acceptable as long as it is not an asterisk. For all other
|
// lengths, just ensure that there are no consecutive wildcards.
|
final String valueString = value.toString();
|
final int valueLength = valueString.length();
|
if (valueLength == 0)
|
{
|
return true;
|
}
|
else if (valueLength == 1)
|
{
|
if (valueString.charAt(0) == '*')
|
{
|
invalidReason
|
.append(SchemaMessages.WARN_ATTR_SYNTAX_SUBSTRING_ONLY_WILDCARD
|
.get());
|
|
return false;
|
}
|
else
|
{
|
return true;
|
}
|
}
|
else
|
{
|
for (int i = 1; i < valueLength; i++)
|
{
|
if (valueString.charAt(i) == '*'
|
&& valueString.charAt(i - 1) == '*')
|
{
|
invalidReason
|
.append(SchemaMessages.WARN_ATTR_SYNTAX_SUBSTRING_CONSECUTIVE_WILDCARDS
|
.get(valueString, i));
|
return false;
|
}
|
}
|
|
return true;
|
}
|
}
|
}
|
