001 /*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements. See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership. The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License. You may obtain a copy of the License at
009 *
010 * http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing,
013 * software distributed under the License is distributed on an
014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 * KIND, either express or implied. See the License for the
016 * specific language governing permissions and limitations
017 * under the License.
018 *
019 */
020 package org.apache.directory.shared.ldap.schema.syntaxes;
021
022
023
024 import org.apache.directory.shared.asn1.primitives.OID;
025 import org.apache.directory.shared.ldap.schema.AbstractSyntaxChecker;
026 import org.apache.directory.shared.ldap.util.StringTools;
027
028
029 /**
030 * A SyntaxChecker which verifies that a value is a numeric oid
031 * according to RFC 4512.
032 *
033 * From RFC 4512 :
034 *
035 * numericoid = number 1*( DOT number )
036 * number = DIGIT | ( LDIGIT 1*DIGIT )
037 * DIGIT = %x30 | LDIGIT ; "0"-"9"
038 * LDIGIT = %x31-39 ; "1"-"9"
039 * DOT = %x2E ; period (".")
040
041 *
042 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
043 * @version $Rev$
044 */
045 public class NumericOidSyntaxChecker extends AbstractSyntaxChecker
046 {
047 /** The numericOIDSyntaxChecker's OID */
048 private static final String SC_OID = "1.3.6.1.4.1.18060.0.4.0.0.2";
049
050 /**
051 *
052 * Creates a new instance of NumericOidSyntaxChecker.
053 *
054 */
055 public NumericOidSyntaxChecker()
056 {
057 super( SC_OID );
058 }
059
060
061 /**
062 *
063 * Creates a new instance of NumericOidSyntaxChecker.
064 *
065 * @param oid the oid to associate with this new SyntaxChecker
066 *
067 */
068 protected NumericOidSyntaxChecker( String oid )
069 {
070 super( oid );
071 }
072
073 /* (non-Javadoc)
074 * @see org.apache.directory.shared.ldap.schema.SyntaxChecker#isValidSyntax(java.lang.Object)
075 */
076 public boolean isValidSyntax( Object value )
077 {
078 String strValue = null;
079
080 if ( value == null )
081 {
082 return false;
083 }
084
085 if ( value instanceof String )
086 {
087 strValue = ( String ) value;
088 }
089 else if ( value instanceof byte[] )
090 {
091 strValue = StringTools.utf8ToString( ( byte[] ) value );
092 }
093 else
094 {
095 strValue = value.toString();
096 }
097
098 if ( strValue.length() == 0 )
099 {
100 return false;
101 }
102
103 // Just check that the valuse is a valid OID
104 return ( OID.isOID( strValue ) );
105 }
106 }