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20 package org.apache.directory.api.ldap.model.schema.syntaxCheckers;
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23 import java.text.ParseException;
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25 import org.apache.directory.api.ldap.model.constants.SchemaConstants;
26 import org.apache.directory.api.ldap.model.schema.SyntaxChecker;
27 import org.apache.directory.api.ldap.model.schema.parsers.DitStructureRuleDescriptionSchemaParser;
28 import org.apache.directory.api.util.Strings;
29 import org.slf4j.Logger;
30 import org.slf4j.LoggerFactory;
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54 @SuppressWarnings("serial")
55 public class DitStructureRuleDescriptionSyntaxChecker extends SyntaxChecker
56 {
57
58 private static final Logger LOG = LoggerFactory.getLogger( DitStructureRuleDescriptionSyntaxChecker.class );
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61 private DitStructureRuleDescriptionSchemaParser schemaParser = new DitStructureRuleDescriptionSchemaParser();
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67 public DitStructureRuleDescriptionSyntaxChecker()
68 {
69 super( SchemaConstants.DIT_STRUCTURE_RULE_SYNTAX );
70 }
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76 public boolean isValidSyntax( Object value )
77 {
78 String strValue = null;
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80 if ( value == null )
81 {
82 LOG.debug( "Syntax invalid for 'null'" );
83 return false;
84 }
85
86 if ( value instanceof String )
87 {
88 strValue = ( String ) value;
89 }
90 else if ( value instanceof byte[] )
91 {
92 strValue = Strings.utf8ToString( ( byte[] ) value );
93 }
94 else
95 {
96 strValue = value.toString();
97 }
98
99 try
100 {
101 schemaParser.parseDITStructureRuleDescription( strValue );
102 LOG.debug( "Syntax valid for '{}'", value );
103 return true;
104 }
105 catch ( ParseException pe )
106 {
107 LOG.debug( "Syntax invalid for '{}'", value );
108 return false;
109 }
110 }
111 }