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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.i18n.I18n;
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.ldap.model.schema.parsers.MatchingRuleUseDescriptionSchemaParser;
29 import org.apache.directory.api.util.Strings;
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48 @SuppressWarnings("serial")
49 public final class MatchingRuleUseDescriptionSyntaxChecker extends SyntaxChecker
50 {
51
52 private transient MatchingRuleUseDescriptionSchemaParser schemaParser = new MatchingRuleUseDescriptionSchemaParser();
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57 public static final MatchingRuleUseDescriptionSyntaxChecker INSTANCE =
58 new MatchingRuleUseDescriptionSyntaxChecker( SchemaConstants.MATCHING_RULE_USE_DESCRIPTION_SYNTAX );
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63 public static final class Builder extends SCBuilder<MatchingRuleUseDescriptionSyntaxChecker>
64 {
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68 private Builder()
69 {
70 super( SchemaConstants.MATCHING_RULE_USE_DESCRIPTION_SYNTAX );
71 }
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78 @Override
79 public MatchingRuleUseDescriptionSyntaxChecker build()
80 {
81 return new MatchingRuleUseDescriptionSyntaxChecker( oid );
82 }
83 }
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91 private MatchingRuleUseDescriptionSyntaxChecker( String oid )
92 {
93 super( oid );
94 }
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100 public static Builder builder()
101 {
102 return new Builder();
103 }
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109 @Override
110 public boolean isValidSyntax( Object value )
111 {
112 String strValue;
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114 if ( value == null )
115 {
116 if ( LOG.isDebugEnabled() )
117 {
118 LOG.debug( I18n.err( I18n.ERR_04488_SYNTAX_INVALID, "null" ) );
119 }
120
121 return false;
122 }
123
124 if ( value instanceof String )
125 {
126 strValue = ( String ) value;
127 }
128 else if ( value instanceof byte[] )
129 {
130 strValue = Strings.utf8ToString( ( byte[] ) value );
131 }
132 else
133 {
134 strValue = value.toString();
135 }
136
137 try
138 {
139 schemaParser.parseMatchingRuleUseDescription( strValue );
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141 if ( LOG.isDebugEnabled() )
142 {
143 LOG.debug( I18n.msg( I18n.MSG_04489_SYNTAX_VALID, value ) );
144 }
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146 return true;
147 }
148 catch ( ParseException pe )
149 {
150 if ( LOG.isDebugEnabled() )
151 {
152 LOG.debug( I18n.err( I18n.ERR_04488_SYNTAX_INVALID, value ) );
153 }
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155 return false;
156 }
157 }
158 }