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20 package org.apache.directory.api.ldap.model.schema.syntaxCheckers;
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23 import java.text.ParseException;
24
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.LdapSyntaxDescriptionSchemaParser;
29 import org.apache.directory.api.util.Strings;
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44
45 @SuppressWarnings("serial")
46 public final class LdapSyntaxDescriptionSyntaxChecker extends SyntaxChecker
47 {
48
49 private transient LdapSyntaxDescriptionSchemaParser schemaParser = new LdapSyntaxDescriptionSchemaParser();
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51
52
53 public static final LdapSyntaxDescriptionSyntaxChecker INSTANCE =
54 new LdapSyntaxDescriptionSyntaxChecker( SchemaConstants.LDAP_SYNTAX_DESCRIPTION_SYNTAX );
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58
59 public static final class Builder extends SCBuilder<LdapSyntaxDescriptionSyntaxChecker>
60 {
61
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63
64 private Builder()
65 {
66 super( SchemaConstants.LDAP_SYNTAX_DESCRIPTION_SYNTAX );
67 }
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74 @Override
75 public LdapSyntaxDescriptionSyntaxChecker build()
76 {
77 return new LdapSyntaxDescriptionSyntaxChecker( oid );
78 }
79 }
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86
87 private LdapSyntaxDescriptionSyntaxChecker( String oid )
88 {
89 super( oid );
90 }
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96 public static Builder builder()
97 {
98 return new Builder();
99 }
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105 @Override
106 public boolean isValidSyntax( Object value )
107 {
108 String strValue;
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110 if ( value == null )
111 {
112 if ( LOG.isDebugEnabled() )
113 {
114 LOG.debug( I18n.err( I18n.ERR_13210_SYNTAX_INVALID, "null" ) );
115 }
116
117 return false;
118 }
119
120 if ( value instanceof String )
121 {
122 strValue = ( String ) value;
123 }
124 else if ( value instanceof byte[] )
125 {
126 strValue = Strings.utf8ToString( ( byte[] ) value );
127 }
128 else
129 {
130 strValue = value.toString();
131 }
132
133 try
134 {
135 schemaParser.parse( strValue );
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137 if ( LOG.isDebugEnabled() )
138 {
139 LOG.debug( I18n.msg( I18n.MSG_13701_SYNTAX_VALID, value ) );
140 }
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142 return true;
143 }
144 catch ( ParseException pe )
145 {
146 if ( LOG.isDebugEnabled() )
147 {
148 LOG.debug( I18n.err( I18n.ERR_13210_SYNTAX_INVALID, value ) );
149 }
150
151 return false;
152 }
153 }
154 }