/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE
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* or https://OpenDS.dev.java.net/OpenDS.LICENSE.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable,
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* add the following below this CDDL HEADER, with the fields enclosed
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* by brackets "[]" replaced with your own identifying information:
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* Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*
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*
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* Copyright 2009 Sun Microsystems, Inc.
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*/
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package org.opends.sdk.schema;
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import static com.sun.opends.sdk.messages.Messages.*;
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import static org.opends.sdk.schema.SchemaConstants.*;
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import org.opends.sdk.ByteSequence;
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import com.sun.opends.sdk.util.MessageBuilder;
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/**
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* This class defines the bit string attribute syntax, which is
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* comprised of a string of binary digits surrounded by single quotes
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* and followed by a capital letter "B" (e.g., '101001'B).
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*/
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final class BitStringSyntaxImpl extends AbstractSyntaxImpl
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{
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@Override
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public String getEqualityMatchingRule()
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{
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return EMR_BIT_STRING_OID;
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}
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public String getName()
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{
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return SYNTAX_BIT_STRING_NAME;
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}
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public boolean isHumanReadable()
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{
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return true;
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}
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/**
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* Indicates whether the provided value is acceptable for use in an
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* attribute with this syntax. If it is not, then the reason may be
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* appended to the provided buffer.
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*
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* @param schema
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* The schema in which this syntax is defined.
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* @param value
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* The value for which to make the determination.
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* @param invalidReason
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* The buffer to which the invalid reason should be appended.
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* @return <CODE>true</CODE> if the provided value is acceptable for
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* use with this syntax, or <CODE>false</CODE> if not.
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*/
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public boolean valueIsAcceptable(Schema schema, ByteSequence value,
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MessageBuilder invalidReason)
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{
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final String valueString = value.toString().toUpperCase();
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final int length = valueString.length();
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if (length < 3)
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{
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invalidReason.append(WARN_ATTR_SYNTAX_BIT_STRING_TOO_SHORT
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.get(value.toString()));
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return false;
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}
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if (valueString.charAt(0) != '\''
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|| valueString.charAt(length - 2) != '\''
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|| valueString.charAt(length - 1) != 'B')
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{
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invalidReason.append(WARN_ATTR_SYNTAX_BIT_STRING_NOT_QUOTED
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.get(value.toString()));
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return false;
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}
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for (int i = 1; i < length - 2; i++)
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{
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switch (valueString.charAt(i))
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{
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case '0':
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case '1':
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// These characters are fine.
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break;
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default:
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invalidReason.append(WARN_ATTR_SYNTAX_BIT_STRING_INVALID_BIT
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.get(value.toString(), String
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.valueOf(valueString.charAt(i))));
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return false;
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}
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}
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// If we've gotten here, then everything is fine.
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return true;
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}
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}
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