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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.ber.grammar.GrammarAction;
24 import org.apache.directory.api.asn1.ber.tlv.TLV;
25 import org.apache.directory.api.i18n.I18n;
26 import org.apache.directory.api.ldap.codec.AttributeValueAssertion;
27 import org.apache.directory.api.ldap.codec.api.LdapMessageContainer;
28 import org.apache.directory.api.ldap.codec.search.AttributeValueAssertionFilter;
29 import org.apache.directory.api.ldap.model.message.SearchRequest;
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 InitAssertionValueFilter extends GrammarAction<LdapMessageContainer<SearchRequest>>
41 {
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43 private static final Logger LOG = LoggerFactory.getLogger( InitAssertionValueFilter.class );
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48 public InitAssertionValueFilter()
49 {
50 super( "Initialize Assertion Value filter" );
51 }
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57 public void action( LdapMessageContainer<SearchRequest> container )
58 {
59 TLV tlv = container.getCurrentTLV();
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62 byte[] assertion = tlv.getValue().getData();
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64 AttributeValueAssertionFilter terminalFilter = ( AttributeValueAssertionFilter )
65 container.getTerminalFilter();
66 AttributeValueAssertion attributeValueAssertion = terminalFilter.getAssertion();
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68 if ( assertion == null )
69 {
70 attributeValueAssertion.setAssertion( Strings.EMPTY_BYTES );
71 }
72 else
73 {
74 attributeValueAssertion.setAssertion( assertion );
75 }
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79 container.unstackFilters();
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81 if ( LOG.isDebugEnabled() )
82 {
83 LOG.debug( I18n.msg( I18n.MSG_05144_INITIALIZE_ASSERTION_FILTER ) );
84 }
85 }
86 }