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20 package org.apache.directory.api.ldap.model.schema.syntaxCheckers;
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23 import java.util.regex.Matcher;
24 import java.util.regex.Pattern;
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26 import org.apache.directory.api.ldap.model.constants.SchemaConstants;
27 import org.apache.directory.api.ldap.model.schema.SyntaxChecker;
28 import org.apache.directory.api.util.Strings;
29 import org.slf4j.Logger;
30 import org.slf4j.LoggerFactory;
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49 @SuppressWarnings("serial")
50 public class ObjectNameSyntaxChecker extends SyntaxChecker
51 {
52
53 private static final Logger LOG = LoggerFactory.getLogger( ObjectNameSyntaxChecker.class );
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55 private static final String REGEXP = "^([a-zA-Z][a-zA-Z0-9-;]*)$";
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57 private static final Pattern PATTERN = Pattern.compile( REGEXP );
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63 public ObjectNameSyntaxChecker()
64 {
65 super( SchemaConstants.OBJECT_NAME_SYNTAX );
66 }
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72 public boolean isValidSyntax( Object value )
73 {
74 String strValue = null;
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76 if ( value == null )
77 {
78 LOG.debug( "Syntax invalid for 'null'" );
79 return false;
80 }
81
82 if ( value instanceof String )
83 {
84 strValue = ( String ) value;
85 }
86 else if ( value instanceof byte[] )
87 {
88 strValue = Strings.utf8ToString( ( byte[] ) value );
89 }
90 else
91 {
92 strValue = value.toString();
93 }
94
95 if ( strValue.length() == 0 )
96 {
97 LOG.debug( "Syntax invalid for '{}'", value );
98 return false;
99 }
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102 Matcher match = PATTERN.matcher( strValue );
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104 boolean result = match.matches();
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106 if ( result )
107 {
108 LOG.debug( "Syntax valid for '{}'", value );
109 }
110 else
111 {
112 LOG.debug( "Syntax invalid for '{}'", value );
113 }
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115 return result;
116 }
117 }