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20 package org.apache.directory.api.ldap.codec.actions.searchRequest.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.api.LdapMessageContainer;
28 import org.apache.directory.api.ldap.codec.decorators.SearchRequestDecorator;
29 import org.apache.directory.api.ldap.codec.search.Filter;
30 import org.apache.directory.api.ldap.codec.search.SubstringFilter;
31 import org.slf4j.Logger;
32 import org.slf4j.LoggerFactory;
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40 public class InitSubstringsFilter extends GrammarAction<LdapMessageContainer<SearchRequestDecorator>>
41 {
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43 private static final Logger LOG = LoggerFactory.getLogger( InitSubstringsFilter.class );
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46 private static final boolean IS_DEBUG = LOG.isDebugEnabled();
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52 public InitSubstringsFilter()
53 {
54 super( "Initialize Substrings filter" );
55 }
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61 public void action( LdapMessageContainer<SearchRequestDecorator> container ) throws DecoderException
62 {
63 SearchRequestDecorator searchRequestDecorator = container.getMessage();
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65 TLV tlv = container.getCurrentTLV();
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67 int expectedLength = tlv.getLength();
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69 if ( expectedLength == 0 )
70 {
71 String msg = I18n.err( I18n.ERR_04012 );
72 LOG.error( msg );
73 throw new DecoderException( msg );
74 }
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77 Filter substringFilter = new SubstringFilter( container.getTlvId() );
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79 searchRequestDecorator.addCurrentFilter( substringFilter );
80 searchRequestDecorator.setTerminalFilter( substringFilter );
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82 if ( IS_DEBUG )
83 {
84 LOG.debug( "Initialize Substrings filter" );
85 }
86 }
87 }