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20 package org.apache.directory.api.ldap.codec.actions.searchRequest;
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23 import org.apache.directory.api.asn1.DecoderException;
24 import org.apache.directory.api.asn1.ber.grammar.GrammarAction;
25 import org.apache.directory.api.asn1.ber.tlv.BerValue;
26 import org.apache.directory.api.asn1.ber.tlv.IntegerDecoder;
27 import org.apache.directory.api.asn1.ber.tlv.IntegerDecoderException;
28 import org.apache.directory.api.asn1.ber.tlv.TLV;
29 import org.apache.directory.api.i18n.I18n;
30 import org.apache.directory.api.ldap.codec.api.LdapConstants;
31 import org.apache.directory.api.ldap.codec.api.LdapMessageContainer;
32 import org.apache.directory.api.ldap.codec.decorators.SearchRequestDecorator;
33 import org.apache.directory.api.ldap.model.message.AliasDerefMode;
34 import org.apache.directory.api.ldap.model.message.SearchRequest;
35 import org.slf4j.Logger;
36 import org.slf4j.LoggerFactory;
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53 public class StoreSearchRequestDerefAlias extends GrammarAction<LdapMessageContainer<SearchRequestDecorator>>
54 {
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56 private static final Logger LOG = LoggerFactory.getLogger( StoreSearchRequestDerefAlias.class );
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59 private static final boolean IS_DEBUG = LOG.isDebugEnabled();
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65 public StoreSearchRequestDerefAlias()
66 {
67 super( "Store SearchRequest derefAlias flag" );
68 }
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74 public void action( LdapMessageContainer<SearchRequestDecorator> container ) throws DecoderException
75 {
76 SearchRequest searchRequest = container.getMessage().getDecorated();
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78 TLV tlv = container.getCurrentTLV();
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81 BerValue value = tlv.getValue();
82 int derefAliases = 0;
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84 try
85 {
86 derefAliases = IntegerDecoder.parse( value, LdapConstants.NEVER_DEREF_ALIASES,
87 LdapConstants.DEREF_ALWAYS );
88 }
89 catch ( IntegerDecoderException ide )
90 {
91 String msg = I18n.err( I18n.ERR_04102, value.toString() );
92 LOG.error( msg );
93 throw new DecoderException( msg );
94 }
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96 searchRequest.setDerefAliases( AliasDerefMode.getDerefMode( derefAliases ) );
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98 if ( IS_DEBUG )
99 {
100 switch ( derefAliases )
101 {
102 case LdapConstants.NEVER_DEREF_ALIASES:
103 LOG.debug( "Handling object strategy : NEVER_DEREF_ALIASES" );
104 break;
105
106 case LdapConstants.DEREF_IN_SEARCHING:
107 LOG.debug( "Handling object strategy : DEREF_IN_SEARCHING" );
108 break;
109
110 case LdapConstants.DEREF_FINDING_BASE_OBJ:
111 LOG.debug( "Handling object strategy : DEREF_FINDING_BASE_OBJ" );
112 break;
113
114 case LdapConstants.DEREF_ALWAYS:
115 LOG.debug( "Handling object strategy : DEREF_ALWAYS" );
116 break;
117 }
118 }
119 }
120 }