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20 package org.apache.directory.api.ldap.codec.actions.searchRequest.filter;
21
22
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.ldap.codec.AttributeValueAssertion;
27 import org.apache.directory.api.ldap.codec.api.LdapMessageContainer;
28 import org.apache.directory.api.ldap.codec.decorators.SearchRequestDecorator;
29 import org.apache.directory.api.ldap.codec.search.AttributeValueAssertionFilter;
30 import org.apache.directory.api.ldap.model.entry.BinaryValue;
31 import org.apache.directory.api.ldap.model.entry.StringValue;
32 import org.apache.directory.api.ldap.model.entry.Value;
33 import org.apache.directory.api.util.Strings;
34 import org.slf4j.Logger;
35 import org.slf4j.LoggerFactory;
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43 public class InitAssertionValueFilter extends GrammarAction<LdapMessageContainer<SearchRequestDecorator>>
44 {
45
46 private static final Logger LOG = LoggerFactory.getLogger( InitAssertionValueFilter.class );
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49 private static final boolean IS_DEBUG = LOG.isDebugEnabled();
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55 public InitAssertionValueFilter()
56 {
57 super( "Initialize Assertion Value filter" );
58 }
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64 public void action( LdapMessageContainer<SearchRequestDecorator> container ) throws DecoderException
65 {
66 SearchRequestDecorator searchRequestDecorator = container.getMessage();
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68 TLV tlv = container.getCurrentTLV();
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71 Value<?> assertionValue;
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73 AttributeValueAssertionFilter terminalFilter = ( AttributeValueAssertionFilter )
74 searchRequestDecorator.getTerminalFilter();
75 AttributeValueAssertion assertion = terminalFilter.getAssertion();
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77 if ( container.isBinary( assertion.getAttributeDesc() ) )
78 {
79 if ( tlv.getLength() != 0 )
80 {
81 assertionValue = new BinaryValue( tlv.getValue().getData() );
82 }
83 else
84 {
85 assertionValue = new BinaryValue( Strings.EMPTY_BYTES );
86 }
87
88 assertion.setAssertionValue( assertionValue );
89 }
90 else
91 {
92 if ( tlv.getLength() != 0 )
93 {
94 assertionValue = new StringValue( Strings.utf8ToString( tlv.getValue().getData() ) );
95 }
96 else
97 {
98 assertionValue = new StringValue( "" );
99 }
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101 assertion.setAssertionValue( assertionValue );
102 }
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106 searchRequestDecorator.unstackFilters( container );
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108 if ( IS_DEBUG )
109 {
110 LOG.debug( "Initialize Assertion Value filter" );
111 }
112 }
113 }