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20 package org.apache.directory.shared.kerberos.codec.actions;
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23 import org.apache.directory.api.asn1.DecoderException;
24 import org.apache.directory.api.asn1.ber.Asn1Container;
25 import org.apache.directory.api.asn1.ber.Asn1Decoder;
26 import org.apache.directory.api.asn1.ber.grammar.GrammarAction;
27 import org.apache.directory.api.asn1.ber.tlv.TLV;
28 import org.apache.directory.api.i18n.I18n;
29 import org.apache.directory.shared.kerberos.codec.hostAddress.HostAddressContainer;
30 import org.apache.directory.shared.kerberos.components.HostAddress;
31 import org.slf4j.Logger;
32 import org.slf4j.LoggerFactory;
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40 public abstract class AbstractReadHostAddress<E extends Asn1Container> extends GrammarAction<E>
41 {
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43 private static final Logger LOG = LoggerFactory.getLogger( AbstractReadHostAddress.class );
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46 private static final boolean IS_DEBUG = LOG.isDebugEnabled();
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52 public AbstractReadHostAddress( String name )
53 {
54 super( name );
55 }
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58 protected abstract void setAddress( HostAddress hostAddress, E container );
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64 public void action( E container ) throws DecoderException
65 {
66 TLV tlv = container.getCurrentTLV();
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69 if ( tlv.getLength() == 0 )
70 {
71 LOG.error( I18n.err( I18n.ERR_01308_ZERO_LENGTH_TLV ) );
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74 throw new DecoderException( I18n.err( I18n.ERR_01309_EMPTY_TLV ) );
75 }
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78 HostAddressContainerAddress/HostAddressContainer.html#HostAddressContainer">HostAddressContainer hostAddressContainer = new HostAddressContainer();
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81 hostAddressContainer.setStream( container.getStream() );
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84 Asn1Decoder.decode( container.getStream(), hostAddressContainer );
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87 HostAddress hostAddress = hostAddressContainer.getHostAddress();
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90 tlv.setExpectedLength( tlv.getExpectedLength() - tlv.getLength() );
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93 container.updateParent();
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95 setAddress( hostAddress, container );
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97 if ( IS_DEBUG )
98 {
99 LOG.debug( "HostAddress : {}", hostAddress );
100 }
101 }
102 }