/*
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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 legal-notices/CDDLv1_0.txt
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* or http://forgerock.org/license/CDDLv1.0.html.
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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 legal-notices/CDDLv1_0.txt.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* 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.forgerock.opendj.ldap.schema;
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import static com.forgerock.opendj.ldap.CoreMessages.WARN_ATTR_SYNTAX_INTEGER_DASH_NEEDS_VALUE;
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import static com.forgerock.opendj.ldap.CoreMessages.WARN_ATTR_SYNTAX_INTEGER_EMPTY_VALUE;
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import static com.forgerock.opendj.ldap.CoreMessages.WARN_ATTR_SYNTAX_INTEGER_INITIAL_ZERO;
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import static com.forgerock.opendj.ldap.CoreMessages.WARN_ATTR_SYNTAX_INTEGER_INVALID_CHARACTER;
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import static org.forgerock.opendj.ldap.schema.SchemaConstants.EMR_INTEGER_OID;
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import static org.forgerock.opendj.ldap.schema.SchemaConstants.OMR_INTEGER_OID;
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import static org.forgerock.opendj.ldap.schema.SchemaConstants.SMR_CASE_EXACT_OID;
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import static org.forgerock.opendj.ldap.schema.SchemaConstants.SYNTAX_INTEGER_NAME;
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import org.forgerock.i18n.LocalizableMessageBuilder;
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import org.forgerock.opendj.ldap.ByteSequence;
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/**
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* This class defines the integer attribute syntax, which holds an
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* arbitrarily-long integer value. Equality, ordering, and substring matching
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* will be allowed by default.
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*/
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final class IntegerSyntaxImpl extends AbstractSyntaxImpl {
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@Override
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public String getEqualityMatchingRule() {
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return EMR_INTEGER_OID;
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}
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public String getName() {
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return SYNTAX_INTEGER_NAME;
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}
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@Override
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public String getOrderingMatchingRule() {
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return OMR_INTEGER_OID;
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}
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@Override
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public String getSubstringMatchingRule() {
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return SMR_CASE_EXACT_OID;
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}
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public boolean isHumanReadable() {
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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 appended
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* 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 use
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* with this syntax, or <CODE>false</CODE> if not.
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*/
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public boolean valueIsAcceptable(final Schema schema, final ByteSequence value,
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final LocalizableMessageBuilder invalidReason) {
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final String valueString = value.toString();
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final int length = valueString.length();
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if (length == 0) {
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invalidReason.append(WARN_ATTR_SYNTAX_INTEGER_EMPTY_VALUE.get(valueString));
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return false;
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} else if (length == 1) {
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switch (valueString.charAt(0)) {
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case '0':
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case '1':
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case '2':
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case '3':
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case '4':
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case '5':
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case '6':
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case '7':
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case '8':
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case '9':
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return true;
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case '-':
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invalidReason.append(WARN_ATTR_SYNTAX_INTEGER_DASH_NEEDS_VALUE.get(valueString));
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return false;
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default:
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invalidReason.append(WARN_ATTR_SYNTAX_INTEGER_INVALID_CHARACTER.get(valueString,
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valueString.charAt(0), 0));
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return false;
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}
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} else {
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boolean negative = false;
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switch (valueString.charAt(0)) {
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case '0':
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invalidReason.append(WARN_ATTR_SYNTAX_INTEGER_INITIAL_ZERO.get(valueString));
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return false;
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case '1':
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case '2':
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case '3':
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case '4':
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case '5':
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case '6':
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case '7':
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case '8':
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case '9':
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// These are all fine.
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break;
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case '-':
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// This is fine too.
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negative = true;
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break;
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default:
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invalidReason.append(WARN_ATTR_SYNTAX_INTEGER_INVALID_CHARACTER.get(valueString,
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valueString.charAt(0), 0));
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return false;
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}
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switch (valueString.charAt(1)) {
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case '0':
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// This is fine as long as the value isn't negative.
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if (negative) {
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invalidReason.append(WARN_ATTR_SYNTAX_INTEGER_INITIAL_ZERO.get(valueString));
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return false;
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}
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break;
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case '1':
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case '2':
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case '3':
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case '4':
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case '5':
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case '6':
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case '7':
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case '8':
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case '9':
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// These are all fine.
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break;
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default:
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invalidReason.append(WARN_ATTR_SYNTAX_INTEGER_INVALID_CHARACTER.get(valueString,
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valueString.charAt(0), 0));
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return false;
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}
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for (int i = 2; i < length; i++) {
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switch (valueString.charAt(i)) {
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case '0':
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case '1':
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case '2':
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case '3':
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case '4':
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case '5':
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case '6':
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case '7':
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case '8':
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case '9':
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// These are all fine.
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break;
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default:
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invalidReason.append(WARN_ATTR_SYNTAX_INTEGER_INVALID_CHARACTER.get(
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valueString, valueString.charAt(0), 0));
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return false;
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}
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}
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return true;
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}
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}
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}
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