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20 package org.apache.directory.api.ldap.codec.actions.request.search.filter;
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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.TLV;
26 import org.apache.directory.api.i18n.I18n;
27 import org.apache.directory.api.ldap.codec.AttributeValueAssertion;
28 import org.apache.directory.api.ldap.codec.api.LdapMessageContainer;
29 import org.apache.directory.api.ldap.codec.search.AttributeValueAssertionFilter;
30 import org.apache.directory.api.ldap.model.message.SearchRequest;
31 import org.apache.directory.api.util.Strings;
32 import org.slf4j.Logger;
33 import org.slf4j.LoggerFactory;
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41 public class InitAttributeDescFilter extends GrammarAction<LdapMessageContainer<SearchRequest>>
42 {
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44 private static final Logger LOG = LoggerFactory.getLogger( InitAttributeDescFilter.class );
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48
49 public InitAttributeDescFilter()
50 {
51 super( "Initialize AttributeDesc filter" );
52 }
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58 public void action( LdapMessageContainer<SearchRequest> container ) throws DecoderException
59 {
60 TLV tlv = container.getCurrentTLV();
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62 AttributeValueAssertion assertion = new AttributeValueAssertion();
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64 if ( tlv.getLength() == 0 )
65 {
66 String msg = I18n.err( I18n.ERR_05135_EMPTY_ATTRIBUTE_DESCRIPTION );
67 LOG.error( msg );
68 throw new DecoderException( msg );
69 }
70 else
71 {
72 String type = Strings.utf8ToString( tlv.getValue().getData() );
73 assertion.setAttributeDesc( type );
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75 AttributeValueAssertionFilter terminalFilter = ( AttributeValueAssertionFilter )
76 container.getTerminalFilter();
77 terminalFilter.setAssertion( assertion );
78 }
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80 if ( LOG.isDebugEnabled() )
81 {
82 LOG.debug( I18n.msg( I18n.MSG_05143_INITIALIZE_ATT_DESC_FILTER ) );
83 }
84 }
85 }