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20 package org.apache.directory.api.ldap.codec.controls.sort;
21
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23 import org.apache.directory.api.asn1.DecoderException;
24 import org.apache.directory.api.asn1.ber.grammar.AbstractGrammar;
25 import org.apache.directory.api.asn1.ber.grammar.Grammar;
26 import org.apache.directory.api.asn1.ber.grammar.GrammarAction;
27 import org.apache.directory.api.asn1.ber.grammar.GrammarTransition;
28 import org.apache.directory.api.asn1.ber.tlv.BerValue;
29 import org.apache.directory.api.asn1.ber.tlv.UniversalTag;
30 import org.apache.directory.api.util.Strings;
31 import org.slf4j.Logger;
32 import org.slf4j.LoggerFactory;
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40 public class SortResponseGrammar extends AbstractGrammar<SortResponseContainer>
41 {
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43 static final Logger LOG = LoggerFactory.getLogger( SortRequestGrammar.class );
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46 static final boolean IS_DEBUG = LOG.isDebugEnabled();
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49 private static Grammar<SortResponseContainer> instance = new SortResponseGrammar();
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51
52 @SuppressWarnings("unchecked")
53 private SortResponseGrammar()
54 {
55 setName( SortResponseGrammar.class.getName() );
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58 super.transitions = new GrammarTransition[SortResponseStates.END_STATE.ordinal()][256];
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60 super.transitions[SortResponseStates.START_STATE.ordinal()][UniversalTag.SEQUENCE.getValue()] =
61 new GrammarTransition<SortResponseContainer>( SortResponseStates.START_STATE,
62 SortResponseStates.SEQUENCE_STATE,
63 UniversalTag.SEQUENCE.getValue(), null );
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65 super.transitions[SortResponseStates.SEQUENCE_STATE.ordinal()][UniversalTag.ENUMERATED.getValue()] =
66 new GrammarTransition<SortResponseContainer>( SortResponseStates.SEQUENCE_STATE,
67 SortResponseStates.RESULT_CODE_STATE,
68 UniversalTag.ENUMERATED.getValue(), new StoreSortResponseResultCode<SortResponseContainer>() );
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70 super.transitions[SortResponseStates.RESULT_CODE_STATE.ordinal()][UniversalTag.OCTET_STRING.getValue()] =
71 new GrammarTransition<SortResponseContainer>( SortResponseStates.RESULT_CODE_STATE,
72 SortResponseStates.AT_DESC_STATE,
73 UniversalTag.OCTET_STRING.getValue(), new GrammarAction<SortResponseContainer>()
74 {
75
76 @Override
77 public void action( SortResponseContainer container ) throws DecoderException
78 {
79 BerValue value = container.getCurrentTLV().getValue();
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81 String atType = Strings.utf8ToString( value.getData() );
82 if ( IS_DEBUG )
83 {
84 LOG.debug( "AttributeType = " + atType );
85 }
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87 container.getControl().setAttributeName( atType );
88 container.setGrammarEndAllowed( true );
89 }
90 } );
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92 }
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100 public static Grammar<?> getInstance()
101 {
102 return instance;
103 }
104 }