directory-commits mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From elecha...@apache.org
Subject svn commit: r1065029 - in /directory/shared/trunk/ldap/src/main/java/org/apache/directory/shared/ldap: codec/LdapEncoder.java model/message/controls/EntryChangeImpl.java
Date Sat, 29 Jan 2011 15:03:05 GMT
Author: elecharny
Date: Sat Jan 29 15:03:05 2011
New Revision: 1065029

URL: http://svn.apache.org/viewvc?rev=1065029&view=rev
Log:
Removed the encode and computeLength methos from LdapEncoder

Modified:
    directory/shared/trunk/ldap/src/main/java/org/apache/directory/shared/ldap/codec/LdapEncoder.java
    directory/shared/trunk/ldap/src/main/java/org/apache/directory/shared/ldap/model/message/controls/EntryChangeImpl.java

Modified: directory/shared/trunk/ldap/src/main/java/org/apache/directory/shared/ldap/codec/LdapEncoder.java
URL: http://svn.apache.org/viewvc/directory/shared/trunk/ldap/src/main/java/org/apache/directory/shared/ldap/codec/LdapEncoder.java?rev=1065029&r1=1065028&r2=1065029&view=diff
==============================================================================
--- directory/shared/trunk/ldap/src/main/java/org/apache/directory/shared/ldap/codec/LdapEncoder.java (original)
+++ directory/shared/trunk/ldap/src/main/java/org/apache/directory/shared/ldap/codec/LdapEncoder.java Sat Jan 29 15:03:05 2011
@@ -20,64 +20,20 @@
 package org.apache.directory.shared.ldap.codec;
 
 
-import java.nio.BufferOverflowException; 
+import java.nio.BufferOverflowException;
 import java.nio.ByteBuffer;
 import java.util.Collection;
-import java.util.LinkedList;
-import java.util.List;
 import java.util.Map;
 
 import org.apache.directory.shared.asn1.EncoderException;
 import org.apache.directory.shared.asn1.ber.tlv.TLV;
 import org.apache.directory.shared.asn1.ber.tlv.UniversalTag;
 import org.apache.directory.shared.asn1.ber.tlv.Value;
-import org.apache.directory.shared.asn1.util.Asn1StringUtils;
 import org.apache.directory.shared.i18n.I18n;
-import org.apache.directory.shared.ldap.codec.decorators.AbandonRequestDecorator;
-import org.apache.directory.shared.ldap.codec.decorators.AddRequestDecorator;
-import org.apache.directory.shared.ldap.codec.decorators.AddResponseDecorator;
-import org.apache.directory.shared.ldap.codec.decorators.BindRequestDecorator;
-import org.apache.directory.shared.ldap.codec.decorators.BindResponseDecorator;
-import org.apache.directory.shared.ldap.codec.decorators.CompareRequestDecorator;
-import org.apache.directory.shared.ldap.codec.decorators.CompareResponseDecorator;
-import org.apache.directory.shared.ldap.codec.decorators.DeleteResponseDecorator;
-import org.apache.directory.shared.ldap.codec.decorators.ExtendedRequestDecorator;
-import org.apache.directory.shared.ldap.codec.decorators.ExtendedResponseDecorator;
-import org.apache.directory.shared.ldap.codec.decorators.IntermediateResponseDecorator;
-import org.apache.directory.shared.ldap.codec.decorators.LdapResultDecorator;
 import org.apache.directory.shared.ldap.codec.decorators.MessageDecorator;
-import org.apache.directory.shared.ldap.codec.decorators.ModifyDnRequestDecorator;
-import org.apache.directory.shared.ldap.codec.decorators.ModifyDnResponseDecorator;
-import org.apache.directory.shared.ldap.codec.decorators.ModifyRequestDecorator;
-import org.apache.directory.shared.ldap.codec.decorators.ModifyResponseDecorator;
-import org.apache.directory.shared.ldap.codec.decorators.SearchRequestDecorator;
-import org.apache.directory.shared.ldap.codec.decorators.SearchResultDoneDecorator;
-import org.apache.directory.shared.ldap.codec.decorators.SearchResultEntryDecorator;
-import org.apache.directory.shared.ldap.codec.decorators.SearchResultReferenceDecorator;
-import org.apache.directory.shared.ldap.model.entry.BinaryValue;
-import org.apache.directory.shared.ldap.model.entry.Entry;
-import org.apache.directory.shared.ldap.model.entry.EntryAttribute;
-import org.apache.directory.shared.ldap.model.entry.Modification;
-import org.apache.directory.shared.ldap.model.message.AbandonRequestImpl;
-import org.apache.directory.shared.ldap.model.message.AddRequest;
-import org.apache.directory.shared.ldap.model.message.AddResponse;
-import org.apache.directory.shared.ldap.model.message.BindRequest;
-import org.apache.directory.shared.ldap.model.message.BindResponse;
-import org.apache.directory.shared.ldap.model.message.CompareRequest;
 import org.apache.directory.shared.ldap.model.message.Control;
-import org.apache.directory.shared.ldap.model.message.DeleteRequestImpl;
-import org.apache.directory.shared.ldap.model.message.ExtendedRequest;
-import org.apache.directory.shared.ldap.model.message.ExtendedResponse;
-import org.apache.directory.shared.ldap.model.message.IntermediateResponse;
-import org.apache.directory.shared.ldap.model.message.LdapResult;
 import org.apache.directory.shared.ldap.model.message.Message;
-import org.apache.directory.shared.ldap.model.message.ModifyDnRequest;
-import org.apache.directory.shared.ldap.model.message.ModifyRequest;
 import org.apache.directory.shared.ldap.model.message.Referral;
-import org.apache.directory.shared.ldap.model.message.SearchRequest;
-import org.apache.directory.shared.ldap.model.message.SearchResultEntry;
-import org.apache.directory.shared.ldap.model.message.SearchResultReference;
-import org.apache.directory.shared.ldap.model.name.Dn;
 import org.apache.directory.shared.util.Strings;
 
 
@@ -141,10 +97,10 @@ public class LdapEncoder
             Value.encode( buffer, message.getMessageId() );
 
             // Add the protocolOp part
-            encodeProtocolOp( buffer, decorator );
+            decorator.encode( buffer );
 
             // Do the same thing for Controls, if any.
-            Map<String, Control> controls = message.getControls();
+            Map<String, Control> controls = decorator.getControls();
 
             if ( ( controls != null ) && ( controls.size() > 0 ) )
             {
@@ -195,7 +151,7 @@ public class LdapEncoder
         int ldapMessageLength = 1 + 1 + Value.getNbBytes( messageDecorator.getDecorated().getMessageId());
 
         // Get the protocolOp length
-        ldapMessageLength += computeProtocolOpLength( messageDecorator );
+        ldapMessageLength += messageDecorator.computeLength();
 
         Map<String, Control> controls = messageDecorator.getDecorated().getControls();
 
@@ -248,111 +204,6 @@ public class LdapEncoder
 
 
     /**
-     * Compute the LdapResult length 
-     * 
-     * LdapResult : 
-     * 0x0A 01 resultCode (0..80)
-     *   0x04 L1 matchedDN (L1 = Length(matchedDN)) 
-     *   0x04 L2 errorMessage (L2 = Length(errorMessage)) 
-     *   [0x83 L3] referrals 
-     *     | 
-     *     +--> 0x04 L4 referral 
-     *     +--> 0x04 L5 referral 
-     *     +--> ... 
-     *     +--> 0x04 Li referral 
-     *     +--> ... 
-     *     +--> 0x04 Ln referral 
-     *     
-     * L1 = Length(matchedDN) 
-     * L2 = Length(errorMessage) 
-     * L3 = n*Length(0x04) + sum(Length(L4) .. Length(Ln)) + sum(L4..Ln) 
-     * L4..n = Length(0x04) + Length(Li) + Li 
-     * Length(LdapResult) = Length(0x0x0A) +
-     *      Length(0x01) + 1 + Length(0x04) + Length(L1) + L1 + Length(0x04) +
-     *      Length(L2) + L2 + Length(0x83) + Length(L3) + L3
-     */
-    private int computeLdapResultLength( LdapResult ldapResult )
-    {
-        LdapResultDecorator ldapResultDecorator = (LdapResultDecorator)ldapResult;
-        int ldapResultLength = 0;
-
-        // The result code : always 3 bytes
-        ldapResultLength = 1 + 1 + 1;
-
-        // The matchedDN length
-        if ( ldapResult.getMatchedDn() == null )
-        {
-            ldapResultLength += 1 + 1;
-        }
-        else
-        {
-            byte[] matchedDNBytes = Strings.getBytesUtf8(Strings
-                    .trimLeft(ldapResult.getMatchedDn().getName()));
-            ldapResultLength += 1 + TLV.getNbBytes( matchedDNBytes.length ) + matchedDNBytes.length;
-            ldapResultDecorator.setMatchedDnBytes( matchedDNBytes );
-        }
-
-        // The errorMessage length
-        byte[] errorMessageBytes = Strings.getBytesUtf8(ldapResult.getErrorMessage());
-        ldapResultLength += 1 + TLV.getNbBytes( errorMessageBytes.length ) + errorMessageBytes.length;
-        ldapResultDecorator.setErrorMessageBytes( errorMessageBytes );
-
-        int referralLength = computeReferralLength( ldapResult.getReferral() );
-
-        if ( referralLength != 0 )
-        {
-            // The referrals
-            ldapResultLength += 1 + TLV.getNbBytes( referralLength ) + referralLength;
-        }
-
-        return ldapResultLength;
-    }
-
-
-    /**
-     * Encode the LdapResult message to a PDU.
-     * 
-     * @param buffer The buffer where to put the PDU
-     * @return The PDU.
-     */
-    private ByteBuffer encodeLdapResult( ByteBuffer buffer, LdapResultDecorator ldapResult ) throws EncoderException
-    {
-        if ( buffer == null )
-        {
-            throw new EncoderException( I18n.err( I18n.ERR_04023 ) );
-        }
-
-        try
-        {
-            // The result code
-            buffer.put( UniversalTag.ENUMERATED.getValue() );
-            buffer.put( ( byte ) 1 );
-            buffer.put( ( byte ) ldapResult.getResultCode().getValue() );
-        }
-        catch ( BufferOverflowException boe )
-        {
-            throw new EncoderException( I18n.err( I18n.ERR_04005 ) );
-        }
-
-        // The matchedDN
-        Value.encode( buffer, ldapResult.getMatchedDnBytes() );
-
-        // The error message
-        Value.encode( buffer, ldapResult.getErrorMessageBytes() );
-
-        // The referrals, if any
-        Referral referral = ldapResult.getReferral();
-
-        if ( referral != null )
-        {
-            encodeReferral( buffer, referral );
-        }
-
-        return buffer;
-    }
-
-
-    /**
      * Encode the Referral message to a PDU.
      * 
      * @param buffer The buffer where to put the PDU
@@ -379,2212 +230,38 @@ public class LdapEncoder
     }
 
 
-    /**
-     * Compute the AbandonRequest length 
-     * 
-     * AbandonRequest : 
-     * 0x50 0x0(1..4) abandoned MessageId 
-     * 
-     * Length(AbandonRequest) = Length(0x50) + 1 + Length(abandoned MessageId)
-     */
-    private int computeAbandonRequestLength( AbandonRequestDecorator message )
-    {
-        int length = 1 + 1 + Value.getNbBytes( message.getAbandoned() );
-
-        return length;
-    }
-
-
-    /**
-     * Compute the AddRequest length
-     * 
-     * AddRequest :
-     * 
-     * 0x68 L1
-     *  |
-     *  +--> 0x04 L2 entry
-     *  +--> 0x30 L3 (attributes)
-     *        |
-     *        +--> 0x30 L4-1 (attribute)
-     *        |     |
-     *        |     +--> 0x04 L5-1 type
-     *        |     +--> 0x31 L6-1 (values)
-     *        |           |
-     *        |           +--> 0x04 L7-1-1 value
-     *        |           +--> ...
-     *        |           +--> 0x04 L7-1-n value
-     *        |
-     *        +--> 0x30 L4-2 (attribute)
-     *        |     |
-     *        |     +--> 0x04 L5-2 type
-     *        |     +--> 0x31 L6-2 (values)
-     *        |           |
-     *        |           +--> 0x04 L7-2-1 value
-     *        |           +--> ...
-     *        |           +--> 0x04 L7-2-n value
-     *        |
-     *        +--> ...
-     *        |
-     *        +--> 0x30 L4-m (attribute)
-     *              |
-     *              +--> 0x04 L5-m type
-     *              +--> 0x31 L6-m (values)
-     *                    |
-     *                    +--> 0x04 L7-m-1 value
-     *                    +--> ...
-     *                    +--> 0x04 L7-m-n value
-     */
-    private int computeAddRequestLength( AddRequestDecorator addRequestDecorator )
+    public static int computeReferralLength( Referral referral )
     {
-        AddRequest addRequest = addRequestDecorator.getDecorated();
-        Entry entry = addRequest.getEntry();
-
-        if ( entry == null )
-        {
-            throw new IllegalArgumentException( I18n.err( I18n.ERR_04481_ENTRY_NULL_VALUE ) );
-        }
-
-        // The entry Dn
-        int addRequestLength = 1 + TLV.getNbBytes( Dn.getNbBytes(entry.getDn()) ) + Dn.getNbBytes(entry.getDn());
-
-        // The attributes sequence
-        int entryLength = 0;
-
-        if ( entry.size() != 0 )
+        if ( referral != null )
         {
-            List<Integer> attributesLength = new LinkedList<Integer>();
-            List<Integer> valuesLength = new LinkedList<Integer>();
+            Collection<String> ldapUrls = referral.getLdapUrls();
 
-            // Compute the attributes length
-            for ( EntryAttribute attribute : entry )
+            if ( ( ldapUrls != null ) && ( ldapUrls.size() != 0 ) )
             {
-                int localAttributeLength = 0;
-                int localValuesLength = 0;
-
-                // Get the type length
-                int idLength = attribute.getId().getBytes().length;
-                localAttributeLength = 1 + TLV.getNbBytes( idLength ) + idLength;
+                int referralLength = 0;
 
-                // The values
-                if ( attribute.size() != 0 )
+                // Each referral
+                for ( String ldapUrl : ldapUrls )
                 {
-                    localValuesLength = 0;
-
-                    for ( org.apache.directory.shared.ldap.model.entry.Value<?> value : attribute )
-                    {
-                        int valueLength = value.getBytes().length;
-                        localValuesLength += 1 + TLV.getNbBytes( valueLength ) + valueLength;
-                    }
-
-                    localAttributeLength += 1 + TLV.getNbBytes( localValuesLength ) + localValuesLength;
+                    byte[] ldapUrlBytes = Strings.getBytesUtf8(ldapUrl);
+                    referralLength += 1 + TLV.getNbBytes( ldapUrlBytes.length ) + ldapUrlBytes.length;
+                    referral.addLdapUrlBytes( ldapUrlBytes );
                 }
 
-                // add the attribute length to the attributes length
-                entryLength += 1 + TLV.getNbBytes( localAttributeLength ) + localAttributeLength;
-
-                attributesLength.add( localAttributeLength );
-                valuesLength.add( localValuesLength );
-            }
-
-            addRequestDecorator.setAttributesLength( attributesLength );
-            addRequestDecorator.setValuesLength( valuesLength );
-            addRequestDecorator.setEntryLength( entryLength );
-        }
-
-        addRequestLength += 1 + TLV.getNbBytes( entryLength ) + entryLength;
-        addRequestDecorator.setAddRequestLength( addRequestLength );
-
-        // Return the result.
-        return 1 + TLV.getNbBytes( addRequestLength ) + addRequestLength;
-    }
-
-
-    /**
-     * Compute the AddResponse length 
-     * 
-     * AddResponse : 
-     * 
-     * 0x69 L1
-     *  |
-     *  +--> LdapResult
-     * 
-     * L1 = Length(LdapResult)
-     * 
-     * Length(AddResponse) = Length(0x69) + Length(L1) + L1
-     */
-    private int computeAddResponseLength( AddResponseDecorator addResponseDecorator )
-    {
-        AddResponse addResponse = addResponseDecorator.getAddResponse();
-        addResponseDecorator.setLdapResult( new LdapResultDecorator( addResponse.getLdapResult() ) );
-        int addResponseLength = computeLdapResultLength( addResponseDecorator.getLdapResult() );
-
-        addResponseDecorator.setAddResponseLength( addResponseLength );
-
-        return 1 + TLV.getNbBytes( addResponseLength ) + addResponseLength;
-    }
-
-
-    /**
-     * Compute the BindRequest length 
-     * 
-     * BindRequest : 
-     * <pre>
-     * 0x60 L1 
-     *   | 
-     *   +--> 0x02 0x01 (1..127) version 
-     *   +--> 0x04 L2 name 
-     *   +--> authentication 
-     *   
-     * L2 = Length(name)
-     * L3/4 = Length(authentication) 
-     * Length(BindRequest) = Length(0x60) + Length(L1) + L1 + Length(0x02) + 1 + 1 + 
-     *      Length(0x04) + Length(L2) + L2 + Length(authentication)
-     * </pre>
-     */
-    private int computeBindRequestLength( BindRequestDecorator bindRequestDecorator )
-    {
-        BindRequest bindRequest = bindRequestDecorator.getDecorated();
-        int bindRequestLength = 1 + 1 + 1; // Initialized with version
-
-        // The name
-        bindRequestLength += 1 + TLV.getNbBytes( Dn.getNbBytes(bindRequest.getName()) )
-            + Dn.getNbBytes(bindRequest.getName());
-
-        byte[] credentials = bindRequest.getCredentials();
+                referral.setReferralLength( referralLength );
 
-        // The authentication
-        if ( bindRequest.isSimple() )
-        {
-            // Compute a SimpleBind operation
-            if ( credentials != null )
-            {
-                bindRequestLength += 1 + TLV.getNbBytes( credentials.length ) + credentials.length;
+                return referralLength;
             }
             else
             {
-                bindRequestLength += 1 + 1;
-            }
-        }
-        else
-        {
-            byte[] mechanismBytes = Strings.getBytesUtf8(bindRequest.getSaslMechanism());
-            int saslMechanismLength = 1 + TLV.getNbBytes( mechanismBytes.length ) + mechanismBytes.length;
-            int saslCredentialsLength = 0;
-
-            if ( credentials != null )
-            {
-                saslCredentialsLength = 1 + TLV.getNbBytes( credentials.length ) + credentials.length;
+                return 0;
             }
-
-            int saslLength = 1 + TLV.getNbBytes( saslMechanismLength + saslCredentialsLength ) + saslMechanismLength
-                + saslCredentialsLength;
-
-            bindRequestLength += saslLength;
-
-            // Store the mechanism and credentials lengths
-            bindRequestDecorator.setSaslMechanismLength( saslMechanismLength );
-            bindRequestDecorator.setSaslCredentialsLength( saslCredentialsLength );
-        }
-
-        bindRequestDecorator.setBindRequestLength( bindRequestLength );
-
-        // Return the result.
-        return 1 + TLV.getNbBytes( bindRequestLength ) + bindRequestLength;
-    }
-
-
-    /**
-     * Compute the BindResponse length 
-     * 
-     * BindResponse : 
-     * <pre>
-     * 0x61 L1 
-     *   | 
-     *   +--> LdapResult
-     *   +--> [serverSaslCreds] 
-     *   
-     * L1 = Length(LdapResult) [ + Length(serverSaslCreds) ] 
-     * Length(BindResponse) = Length(0x61) + Length(L1) + L1
-     * </pre>
-     */
-    private int computeBindResponseLength( BindResponseDecorator bindResponseDecorator )
-    {
-        BindResponse bindResponse = bindResponseDecorator.getDecorated();
-        int ldapResultLength = computeLdapResultLength( bindResponseDecorator.getLdapResult() );
-
-        int bindResponseLength = ldapResultLength;
-
-        byte[] serverSaslCreds = bindResponse.getServerSaslCreds();
-
-        if ( serverSaslCreds != null )
-        {
-            bindResponseLength += 1 + TLV.getNbBytes( serverSaslCreds.length ) + serverSaslCreds.length;
-        }
-
-        bindResponseDecorator.setBindResponseLength( bindResponseLength );
-
-        return 1 + TLV.getNbBytes( bindResponseLength ) + bindResponseLength;
-    }
-
-
-    /**
-     * Compute the CompareRequest length 
-     * 
-     * CompareRequest : 
-     * 0x6E L1 
-     *   | 
-     *   +--> 0x04 L2 entry 
-     *   +--> 0x30 L3 (ava) 
-     *         | 
-     *         +--> 0x04 L4 attributeDesc 
-     *         +--> 0x04 L5 assertionValue 
-     *         
-     * L3 = Length(0x04) + Length(L4) + L4 + Length(0x04) +
-     *      Length(L5) + L5 
-     * Length(CompareRequest) = Length(0x6E) + Length(L1) + L1 +
-     *      Length(0x04) + Length(L2) + L2 + Length(0x30) + Length(L3) + L3
-     * 
-     * @return The CompareRequest PDU's length
-     */
-    private int computeCompareRequestLength( CompareRequestDecorator compareRequestDecorator )
-    {
-        CompareRequest compareRequest = compareRequestDecorator.getDecorated();
-        // The entry Dn
-        Dn entry = compareRequest.getName();
-        int compareRequestLength = 1 + TLV.getNbBytes( Dn.getNbBytes(entry) ) + Dn.getNbBytes(entry);
-
-        // The attribute value assertion
-        byte[] attributeIdBytes = Strings.getBytesUtf8(compareRequest.getAttributeId());
-        int avaLength = 1 + TLV.getNbBytes( attributeIdBytes.length ) + attributeIdBytes.length;
-        compareRequestDecorator.setAttrIdBytes( attributeIdBytes );
-
-        org.apache.directory.shared.ldap.model.entry.Value<?> assertionValue = compareRequest.getAssertionValue();
-
-        if ( assertionValue instanceof BinaryValue )
-        {
-            byte[] value = compareRequest.getAssertionValue().getBytes();
-            avaLength += 1 + TLV.getNbBytes( value.length ) + value.length;
-            compareRequestDecorator.setAttrValBytes( value );
         }
         else
         {
-            byte[] value = Strings.getBytesUtf8(compareRequest.getAssertionValue().getString());
-            avaLength += 1 + TLV.getNbBytes( value.length ) + value.length;
-            compareRequestDecorator.setAttrValBytes( value );
-        }
-
-        compareRequestDecorator.setAvaLength( avaLength );
-        compareRequestLength += 1 + TLV.getNbBytes( avaLength ) + avaLength;
-        compareRequestDecorator.setCompareRequestLength( compareRequestLength );
-
-        return 1 + TLV.getNbBytes( compareRequestLength ) + compareRequestLength;
-
-    }
-
-
-    /**
-     * Compute the CompareResponse length 
-     * 
-     * CompareResponse :
-     * 
-     * 0x6F L1
-     *  |
-     *  +--> LdapResult
-     * 
-     * L1 = Length(LdapResult)
-     * 
-     * Length(CompareResponse) = Length(0x6F) + Length(L1) + L1
-     */
-    private int computeCompareResponseLength( CompareResponseDecorator compareResponseDecorator )
-    {
-        int compareResponseLength = computeLdapResultLength( compareResponseDecorator.getLdapResult() );
-
-        compareResponseDecorator.setCompareResponseLength( compareResponseLength );
-
-        return 1 + TLV.getNbBytes( compareResponseLength ) + compareResponseLength;
-    }
-
-
-    /**
-     * Compute the DelRequest length 
-     * 
-     * DelRequest : 
-     * 0x4A L1 entry 
-     * 
-     * L1 = Length(entry) 
-     * Length(DelRequest) = Length(0x4A) + Length(L1) + L1
-     */
-    private int computeDeleteRequestLength( DeleteRequestImpl deleteRequest )
-    {
-        // The entry
-        return 1 + TLV.getNbBytes( Dn.getNbBytes(deleteRequest.getName()) ) + Dn.getNbBytes(deleteRequest.getName());
-    }
-
-
-    /**
-     * Compute the DelResponse length 
-     * 
-     * DelResponse :
-     * 
-     * 0x6B L1
-     *  |
-     *  +--> LdapResult
-     * 
-     * L1 = Length(LdapResult)
-     * 
-     * Length(DelResponse) = Length(0x6B) + Length(L1) + L1
-     */
-    private int computeDeleteResponseLength( DeleteResponseDecorator deleteResponseDecorator )
-    {
-        int deleteResponseLength = computeLdapResultLength( deleteResponseDecorator.getLdapResult() );
-
-        deleteResponseDecorator.setDeleteResponseLength( deleteResponseLength );
-
-        return 1 + TLV.getNbBytes( deleteResponseLength ) + deleteResponseLength;
-    }
-
-
-    /**
-     * Compute the ExtendedRequest length
-     * 
-     * ExtendedRequest :
-     * 
-     * 0x77 L1
-     *  |
-     *  +--> 0x80 L2 name
-     *  [+--> 0x81 L3 value]
-     * 
-     * L1 = Length(0x80) + Length(L2) + L2
-     *      [+ Length(0x81) + Length(L3) + L3]
-     * 
-     * Length(ExtendedRequest) = Length(0x77) + Length(L1) + L1
-     */
-    private int computeExtendedRequestLength( ExtendedRequestDecorator extendedRequestDecorator )
-    {
-        ExtendedRequest extendedRequest = extendedRequestDecorator.getDecorated();
-        byte[] requestNameBytes = Strings.getBytesUtf8(extendedRequest.getRequestName());
-
-        extendedRequestDecorator.setRequestNameBytes( requestNameBytes );
-
-        int extendedRequestLength = 1 + TLV.getNbBytes( requestNameBytes.length ) + requestNameBytes.length;
-
-        if ( extendedRequest.getRequestValue() != null )
-        {
-            extendedRequestLength += 1 + TLV.getNbBytes( extendedRequest.getRequestValue().length )
-                + extendedRequest.getRequestValue().length;
-        }
-
-        extendedRequestDecorator.setExtendedRequestLength( extendedRequestLength );
-
-        return 1 + TLV.getNbBytes( extendedRequestLength ) + extendedRequestLength;
-    }
-
-
-    /**
-     * Compute the ExtendedResponse length
-     * 
-     * ExtendedResponse :
-     * 
-     * 0x78 L1
-     *  |
-     *  +--> LdapResult
-     * [+--> 0x8A L2 name
-     * [+--> 0x8B L3 response]]
-     * 
-     * L1 = Length(LdapResult)
-     *      [ + Length(0x8A) + Length(L2) + L2
-     *       [ + Length(0x8B) + Length(L3) + L3]]
-     * 
-     * Length(ExtendedResponse) = Length(0x78) + Length(L1) + L1
-     * 
-     * @return The ExtendedResponse length
-     */
-    private int computeExtendedResponseLength( ExtendedResponseDecorator extendedResponseDecorator )
-    {
-        ExtendedResponse extendedResponse = extendedResponseDecorator.getDecorated();
-        int ldapResultLength = computeLdapResultLength( extendedResponseDecorator.getLdapResult() );
-
-        int extendedResponseLength = ldapResultLength;
-
-        String id = extendedResponse.getResponseName();
-
-        if ( !Strings.isEmpty(id) )
-        {
-            byte[] idBytes = Strings.getBytesUtf8(id);
-            extendedResponseDecorator.setResponseNameBytes( idBytes );
-            int idLength = idBytes.length;
-            extendedResponseLength += 1 + TLV.getNbBytes( idLength ) + idLength;
-        }
-
-        byte[] encodedValue = extendedResponse.getResponseValue();
-
-        if ( encodedValue != null )
-        {
-            extendedResponseLength += 1 + TLV.getNbBytes( encodedValue.length ) + encodedValue.length;
-        }
-
-        extendedResponseDecorator.setExtendedResponseLength( extendedResponseLength );
-
-        return 1 + TLV.getNbBytes( extendedResponseLength ) + extendedResponseLength;
-    }
-
-
-    /**
-     * Compute the intermediateResponse length
-     * 
-     * intermediateResponse :
-     * 
-     * 0x79 L1
-     *  |
-     * [+--> 0x80 L2 name
-     * [+--> 0x81 L3 response]]
-     * 
-     * L1 = [ + Length(0x80) + Length(L2) + L2
-     *      [ + Length(0x81) + Length(L3) + L3]]
-     * 
-     * Length(IntermediateResponse) = Length(0x79) + Length(L1) + L1
-     * 
-     * @return The IntermediateResponse length
-     */
-    private int computeIntermediateResponseLength( IntermediateResponseDecorator intermediateResponseDecorator )
-    {
-        IntermediateResponse intermediateResponse = intermediateResponseDecorator.getDecorated();
-        int intermediateResponseLength = 0;
-
-        if ( !Strings.isEmpty(intermediateResponse.getResponseName()) )
-        {
-            byte[] responseNameBytes = Strings.getBytesUtf8(intermediateResponse.getResponseName());
-
-            int responseNameLength = responseNameBytes.length;
-            intermediateResponseLength += 1 + TLV.getNbBytes( responseNameLength ) + responseNameLength;
-            intermediateResponseDecorator.setResponseNameBytes( responseNameBytes );
-        }
-
-        byte[] encodedValue = intermediateResponse.getResponseValue();
-
-        if ( encodedValue != null )
-        {
-            intermediateResponseLength += 1 + TLV.getNbBytes( encodedValue.length ) + encodedValue.length;
+            return 0;
         }
-
-        intermediateResponseDecorator.setIntermediateResponseLength( intermediateResponseLength );
-
-        return 1 + TLV.getNbBytes( intermediateResponseLength ) + intermediateResponseLength;
     }
 
 
-    /**
-     * Compute the ModifyRequest length 
-     * 
-     * ModifyRequest :
-     * 
-     * 0x66 L1
-     *  |
-     *  +--> 0x04 L2 object
-     *  +--> 0x30 L3 modifications
-     *        |
-     *        +--> 0x30 L4-1 modification sequence
-     *        |     |
-     *        |     +--> 0x0A 0x01 (0..2) operation
-     *        |     +--> 0x30 L5-1 modification
-     *        |           |
-     *        |           +--> 0x04 L6-1 type
-     *        |           +--> 0x31 L7-1 vals
-     *        |                 |
-     *        |                 +--> 0x04 L8-1-1 attributeValue
-     *        |                 +--> 0x04 L8-1-2 attributeValue
-     *        |                 +--> ...
-     *        |                 +--> 0x04 L8-1-i attributeValue
-     *        |                 +--> ...
-     *        |                 +--> 0x04 L8-1-n attributeValue
-     *        |
-     *        +--> 0x30 L4-2 modification sequence
-     *        .     |
-     *        .     +--> 0x0A 0x01 (0..2) operation
-     *        .     +--> 0x30 L5-2 modification
-     *                    |
-     *                    +--> 0x04 L6-2 type
-     *                    +--> 0x31 L7-2 vals
-     *                          |
-     *                          +--> 0x04 L8-2-1 attributeValue
-     *                          +--> 0x04 L8-2-2 attributeValue
-     *                          +--> ...
-     *                          +--> 0x04 L8-2-i attributeValue
-     *                          +--> ...
-     *                          +--> 0x04 L8-2-n attributeValue
-     */
-    private int computeModifyRequestLength( ModifyRequestDecorator modifyRequestDecorator )
-    {
-        ModifyRequest modifyRequest = modifyRequestDecorator.getDecorated();
-        // Initialized with name
-        int modifyRequestLength = 1 + TLV.getNbBytes( Dn.getNbBytes( modifyRequest.getName() ) )
-            + Dn.getNbBytes(modifyRequest.getName() );
-
-        // All the changes length
-        int changesLength = 0;
-
-        Collection<Modification> modifications = modifyRequest.getModifications();
-
-        if ( ( modifications != null ) && ( modifications.size() != 0 ) )
-        {
-            List<Integer> changeLength = new LinkedList<Integer>();
-            List<Integer> modificationLength = new LinkedList<Integer>();
-            List<Integer> valuesLength = new LinkedList<Integer>();
-
-            for ( Modification modification : modifications )
-            {
-                // Modification sequence length initialized with the operation
-                int localModificationSequenceLength = 1 + 1 + 1;
-                int localValuesLength = 0;
-
-                // Modification length initialized with the type
-                int typeLength = modification.getAttribute().getId().length();
-                int localModificationLength = 1 + TLV.getNbBytes( typeLength ) + typeLength;
-
-                // Get all the values
-                if ( modification.getAttribute().size() != 0 )
-                {
-                    for ( org.apache.directory.shared.ldap.model.entry.Value<?> value : modification.getAttribute() )
-                    {
-                        localValuesLength += 1 + TLV.getNbBytes( value.getBytes().length ) + value.getBytes().length;
-                    }
-                }
-
-                localModificationLength += 1 + TLV.getNbBytes( localValuesLength ) + localValuesLength;
-
-                // Compute the modificationSequenceLength
-                localModificationSequenceLength += 1 + TLV.getNbBytes( localModificationLength )
-                    + localModificationLength;
-
-                // Add the tag and the length
-                changesLength += 1 + TLV.getNbBytes( localModificationSequenceLength )
-                    + localModificationSequenceLength;
-
-                // Store the arrays of values
-                valuesLength.add( localValuesLength );
-                modificationLength.add( localModificationLength );
-                changeLength.add( localModificationSequenceLength );
-            }
-
-            // Add the modifications length to the modificationRequestLength
-            modifyRequestLength += 1 + TLV.getNbBytes( changesLength ) + changesLength;
-            modifyRequestDecorator.setChangeLength( changeLength );
-            modifyRequestDecorator.setModificationLength( modificationLength );
-            modifyRequestDecorator.setValuesLength( valuesLength );
-        }
-
-        modifyRequestDecorator.setChangesLength( changesLength );
-        modifyRequestDecorator.setModifyRequestLength( modifyRequestLength );
-
-        return 1 + TLV.getNbBytes( modifyRequestLength ) + modifyRequestLength;
-
-    }
-
-
-    /**
-     * Compute the ModifyResponse length 
-     * 
-     * ModifyResponse : 
-     * <pre>
-     * 0x67 L1 
-     *   | 
-     *   +--> LdapResult 
-     *   
-     * L1 = Length(LdapResult) 
-     * Length(ModifyResponse) = Length(0x67) + Length(L1) + L1
-     * </pre>
-     */
-    private int computeModifyResponseLength( ModifyResponseDecorator modifyResponseDecorator )
-    {
-        int modifyResponseLength = computeLdapResultLength( modifyResponseDecorator.getLdapResult() );
-
-        modifyResponseDecorator.setModifyResponseLength( modifyResponseLength );
-
-        return 1 + TLV.getNbBytes( modifyResponseLength ) + modifyResponseLength;
-    }
-
-
-    /**
-     * Compute the ModifyDNRequest length
-     * 
-     * ModifyDNRequest :
-     * <pre>
-     * 0x6C L1
-     *  |
-     *  +--> 0x04 L2 entry
-     *  +--> 0x04 L3 newRDN
-     *  +--> 0x01 0x01 (true/false) deleteOldRDN (3 bytes)
-     * [+--> 0x80 L4 newSuperior ] 
-     * 
-     * L2 = Length(0x04) + Length(Length(entry)) + Length(entry) 
-     * L3 = Length(0x04) + Length(Length(newRDN)) + Length(newRDN) 
-     * L4 = Length(0x80) + Length(Length(newSuperior)) + Length(newSuperior)
-     * L1 = L2 + L3 + 3 [+ L4] 
-     * 
-     * Length(ModifyDNRequest) = Length(0x6C) + Length(L1) + L1
-     * </pre>
-     * 
-     * @return The PDU's length of a ModifyDN Request
-     */
-    private int computeModifyDnRequestLength( ModifyDnRequestDecorator modifyDnRequestDecorator )
-    {
-        ModifyDnRequest modifyDnRequest = modifyDnRequestDecorator.getDecorated();
-        int newRdnlength = Strings.getBytesUtf8(modifyDnRequest.getNewRdn().getName()).length;
-
-        int modifyDNRequestLength = 1 + TLV.getNbBytes( Dn.getNbBytes(modifyDnRequest.getName()) )
-            + Dn.getNbBytes(modifyDnRequest.getName()) + 1 + TLV.getNbBytes( newRdnlength ) + newRdnlength + 1 + 1
-            + 1; // deleteOldRDN
-
-        if ( modifyDnRequest.getNewSuperior() != null )
-        {
-            modifyDNRequestLength += 1 + TLV.getNbBytes( Dn.getNbBytes(modifyDnRequest.getNewSuperior()) )
-                + Dn.getNbBytes(modifyDnRequest.getNewSuperior());
-        }
-
-        modifyDnRequestDecorator.setModifyDnRequestLength( modifyDNRequestLength );
-
-        return 1 + TLV.getNbBytes( modifyDNRequestLength ) + modifyDNRequestLength;
-    }
-
-
-    /**
-     * Compute the ModifyDNResponse length 
-     * 
-     * ModifyDNResponse : 
-     * <pre>
-     * 0x6D L1 
-     *   | 
-     *   +--> LdapResult 
-     *   
-     * L1 = Length(LdapResult) 
-     * Length(ModifyDNResponse) = Length(0x6D) + Length(L1) + L1
-     * </pre>
-     */
-    private int computeModifyDnResponseLength( ModifyDnResponseDecorator modifyDnResponseDecorator )
-    {
-        int modifyDnResponseLength = computeLdapResultLength( modifyDnResponseDecorator.getLdapResult() );
-
-        modifyDnResponseDecorator.setModifyDnResponseLength( modifyDnResponseLength );
-
-        return 1 + TLV.getNbBytes( modifyDnResponseLength ) + modifyDnResponseLength;
-    }
-
-
-    public static int computeReferralLength( Referral referral )
-    {
-        if ( referral != null )
-        {
-            Collection<String> ldapUrls = referral.getLdapUrls();
-
-            if ( ( ldapUrls != null ) && ( ldapUrls.size() != 0 ) )
-            {
-                int referralLength = 0;
-
-                // Each referral
-                for ( String ldapUrl : ldapUrls )
-                {
-                    byte[] ldapUrlBytes = Strings.getBytesUtf8(ldapUrl);
-                    referralLength += 1 + TLV.getNbBytes( ldapUrlBytes.length ) + ldapUrlBytes.length;
-                    referral.addLdapUrlBytes( ldapUrlBytes );
-                }
-
-                referral.setReferralLength( referralLength );
-
-                return referralLength;
-            }
-            else
-            {
-                return 0;
-            }
-        }
-        else
-        {
-            return 0;
-        }
-    }
-
-
-    /**
-     * Compute the SearchRequest length
-     * 
-     * SearchRequest :
-     * <pre>
-     * 0x63 L1
-     *  |
-     *  +--> 0x04 L2 baseObject
-     *  +--> 0x0A 0x01 scope
-     *  +--> 0x0A 0x01 derefAliases
-     *  +--> 0x02 0x0(1..4) sizeLimit
-     *  +--> 0x02 0x0(1..4) timeLimit
-     *  +--> 0x01 0x01 typesOnly
-     *  +--> filter.computeLength()
-     *  +--> 0x30 L3 (Attribute description list)
-     *        |
-     *        +--> 0x04 L4-1 Attribute description 
-     *        +--> 0x04 L4-2 Attribute description 
-     *        +--> ... 
-     *        +--> 0x04 L4-i Attribute description 
-     *        +--> ... 
-     *        +--> 0x04 L4-n Attribute description 
-     *        </pre>
-     */
-    private int computeSearchRequestLength( SearchRequestDecorator searchRequestDecorator )
-    {
-        SearchRequest searchRequest = searchRequestDecorator.getDecorated();
-        int searchRequestLength = 0;
-
-        // The baseObject
-        searchRequestLength += 1 + TLV.getNbBytes( Dn.getNbBytes( searchRequest.getBase() ) )
-            + Dn.getNbBytes(searchRequest.getBase() );
-
-        // The scope
-        searchRequestLength += 1 + 1 + 1;
-
-        // The derefAliases
-        searchRequestLength += 1 + 1 + 1;
-
-        // The sizeLimit
-        searchRequestLength += 1 + 1 + Value.getNbBytes( searchRequest.getSizeLimit() );
-
-        // The timeLimit
-        searchRequestLength += 1 + 1 + Value.getNbBytes( searchRequest.getTimeLimit() );
-
-        // The typesOnly
-        searchRequestLength += 1 + 1 + 1;
-
-        // The filter
-        searchRequestDecorator.setFilter( searchRequest.getFilter() );
-        searchRequestLength += searchRequestDecorator.getCodecFilter().computeLength();
-
-        // The attributes description list
-        int attributeDescriptionListLength = 0;
-
-        if ( ( searchRequest.getAttributes() != null ) && ( searchRequest.getAttributes().size() != 0 ) )
-        {
-            // Compute the attributes length
-            for ( String attribute : searchRequest.getAttributes() )
-            {
-                // add the attribute length to the attributes length
-                int idLength = Strings.getBytesUtf8(attribute).length;
-                attributeDescriptionListLength += 1 + TLV.getNbBytes( idLength ) + idLength;
-            }
-        }
-
-        searchRequestDecorator.setAttributeDescriptionListLength( attributeDescriptionListLength );
-
-        searchRequestLength += 1 + TLV.getNbBytes( attributeDescriptionListLength ) + attributeDescriptionListLength;
-
-        searchRequestDecorator.setSearchRequestLength( searchRequestLength );
-        // Return the result.
-        return 1 + TLV.getNbBytes( searchRequestLength ) + searchRequestLength;
-    }
-
-
-    /**
-     * Compute the SearchResultDone length 
-     * 
-     * SearchResultDone : 
-     * <pre>
-     * 0x65 L1 
-     *   | 
-     *   +--> LdapResult 
-     *   
-     * L1 = Length(LdapResult) 
-     * Length(SearchResultDone) = Length(0x65) + Length(L1) + L1
-     * </pre>
-     */
-    private int computeSearchResultDoneLength( SearchResultDoneDecorator searchResultDoneDecorator )
-    {
-        int searchResultDoneLength = computeLdapResultLength( searchResultDoneDecorator.getLdapResult() );
-
-        searchResultDoneDecorator.setSearchResultDoneLength( searchResultDoneLength );
-
-        return 1 + TLV.getNbBytes( searchResultDoneLength ) + searchResultDoneLength;
-    }
-
-
-    /**
-     * Compute the SearchResultEntry length
-     * 
-     * SearchResultEntry :
-     * <pre>
-     * 0x64 L1
-     *  |
-     *  +--> 0x04 L2 objectName
-     *  +--> 0x30 L3 (attributes)
-     *        |
-     *        +--> 0x30 L4-1 (partial attributes list)
-     *        |     |
-     *        |     +--> 0x04 L5-1 type
-     *        |     +--> 0x31 L6-1 (values)
-     *        |           |
-     *        |           +--> 0x04 L7-1-1 value
-     *        |           +--> ...
-     *        |           +--> 0x04 L7-1-n value
-     *        |
-     *        +--> 0x30 L4-2 (partial attributes list)
-     *        |     |
-     *        |     +--> 0x04 L5-2 type
-     *        |     +--> 0x31 L6-2 (values)
-     *        |           |
-     *        |           +--> 0x04 L7-2-1 value
-     *        |           +--> ...
-     *        |           +--> 0x04 L7-2-n value
-     *        |
-     *        +--> ...
-     *        |
-     *        +--> 0x30 L4-m (partial attributes list)
-     *              |
-     *              +--> 0x04 L5-m type
-     *              +--> 0x31 L6-m (values)
-     *                    |
-     *                    +--> 0x04 L7-m-1 value
-     *                    +--> ...
-     *                    +--> 0x04 L7-m-n value
-     * </pre>
-     */
-    private int computeSearchResultEntryLength( SearchResultEntryDecorator searchResultEntryDecorator )
-    {
-        SearchResultEntry searchResultEntry = searchResultEntryDecorator.getDecorated();
-        Dn dn = searchResultEntry.getObjectName();
-
-        byte[] dnBytes = Strings.getBytesUtf8(dn.getName());
-
-        // The entry
-        int searchResultEntryLength = 1 + TLV.getNbBytes( dnBytes.length ) + dnBytes.length;
-        searchResultEntryDecorator.setObjectNameBytes( dnBytes );
-
-        // The attributes sequence
-        int attributesLength = 0;
-
-        Entry entry = searchResultEntry.getEntry();
-
-        if ( ( entry != null ) && ( entry.size() != 0 ) )
-        {
-            List<Integer> attributeLength = new LinkedList<Integer>();
-            List<Integer> valsLength = new LinkedList<Integer>();
-
-            // Store those lists in the object
-            searchResultEntryDecorator.setAttributeLength( attributeLength );
-            searchResultEntryDecorator.setValsLength( valsLength );
-
-            // Compute the attributes length
-            for ( EntryAttribute attribute : entry )
-            {
-                int localAttributeLength = 0;
-                int localValuesLength = 0;
-
-                // Get the type length
-                int idLength = attribute.getId().getBytes().length;
-                localAttributeLength = 1 + TLV.getNbBytes( idLength ) + idLength;
-
-                if ( attribute.size() != 0 )
-                {
-                    // The values
-                    if ( attribute.size() > 0 )
-                    {
-                        localValuesLength = 0;
-
-                        for ( org.apache.directory.shared.ldap.model.entry.Value<?> value : attribute )
-                        {
-                            byte[] binaryValue = value.getBytes();
-                            localValuesLength += 1 + TLV.getNbBytes( binaryValue.length ) + binaryValue.length;
-                        }
-
-                        localAttributeLength += 1 + TLV.getNbBytes( localValuesLength ) + localValuesLength;
-                    }
-                    else
-                    {
-                        // We have to deal with the special wase where
-                        // we don't have a value.
-                        // It will be encoded as an empty OCTETSTRING,
-                        // so it will be two byte slong (0x04 0x00)
-                        localAttributeLength += 1 + 1;
-                    }
-                }
-                else
-                {
-                    // We have no values. We will just have an empty SET OF :
-                    // 0x31 0x00
-                    localAttributeLength += 1 + 1;
-                }
-
-                // add the attribute length to the attributes length
-                attributesLength += 1 + TLV.getNbBytes( localAttributeLength ) + localAttributeLength;
-
-                // Store the lengths of the encoded attributes and values
-                attributeLength.add( localAttributeLength );
-                valsLength.add( localValuesLength );
-            }
-
-            // Store the lengths of the entry
-            searchResultEntryDecorator.setAttributesLength( attributesLength );
-        }
-
-        searchResultEntryLength += 1 + TLV.getNbBytes( attributesLength ) + attributesLength;
-
-        // Store the length of the response 
-        searchResultEntryDecorator.setSearchResultEntryLength( searchResultEntryLength );
-
-        // Return the result.
-        return 1 + TLV.getNbBytes( searchResultEntryLength ) + searchResultEntryLength;
-    }
-
-
-    /**
-     * Compute the SearchResultReference length
-     * 
-     * SearchResultReference :
-     * <pre>
-     * 0x73 L1
-     *  |
-     *  +--> 0x04 L2 reference
-     *  +--> 0x04 L3 reference
-     *  +--> ...
-     *  +--> 0x04 Li reference
-     *  +--> ...
-     *  +--> 0x04 Ln reference
-     * 
-     * L1 = n*Length(0x04) + sum(Length(Li)) + sum(Length(reference[i]))
-     * 
-     * Length(SearchResultReference) = Length(0x73 + Length(L1) + L1
-     * </pre>
-     */
-    private int computeSearchResultReferenceLength( SearchResultReferenceDecorator searchResultReferenceDecorator )
-    {
-        SearchResultReference searchResultReference = searchResultReferenceDecorator.getDecorated();
-        int searchResultReferenceLength = 0;
-
-        // We may have more than one reference.
-        Referral referral = searchResultReference.getReferral();
-
-        int referralLength = computeReferralLength( referral );
-
-        if ( referralLength != 0 )
-        {
-            searchResultReference.setReferral( referral );
-
-            searchResultReferenceLength = referralLength;
-        }
-
-        // Store the length of the response 
-        searchResultReferenceDecorator.setSearchResultReferenceLength( searchResultReferenceLength );
-
-        return 1 + TLV.getNbBytes( searchResultReferenceLength ) + searchResultReferenceLength;
-    }
-
-
-    /**
-     * Compute the UnBindRequest length 
-     * 
-     * UnBindRequest : 
-     * 0x42 00
-     */
-    private int computeUnbindRequestLength( )
-    {
-        return 2; // Always 2
-    }
-
-
-    /**
-     * Encode the Abandon protocolOp part
-     */
-    private void encodeAbandonRequest( ByteBuffer buffer, AbandonRequestImpl abandonRequest ) throws EncoderException
-    {
-        try
-        {
-            // The tag
-            buffer.put( LdapConstants.ABANDON_REQUEST_TAG );
-
-            // The length. It has to be evaluated depending on
-            // the abandoned messageId value.
-            buffer.put( ( byte ) Value.getNbBytes( abandonRequest.getAbandoned() ) );
-
-            // The abandoned messageId
-            buffer.put( Value.getBytes( abandonRequest.getAbandoned() ) );
-        }
-        catch ( BufferOverflowException boe )
-        {
-            String msg = I18n.err( I18n.ERR_04005 );
-            throw new EncoderException( msg );
-        }
-    }
-
-
-    /**
-     * Encode the AddRequest message to a PDU. 
-     * 
-     * AddRequest :
-     * 
-     * 0x68 LL
-     *   0x04 LL entry
-     *   0x30 LL attributesList
-     *     0x30 LL attributeList
-     *       0x04 LL attributeDescription
-     *       0x31 LL attributeValues
-     *         0x04 LL attributeValue
-     *         ... 
-     *         0x04 LL attributeValue
-     *     ... 
-     *     0x30 LL attributeList
-     *       0x04 LL attributeDescription
-     *       0x31 LL attributeValue
-     *         0x04 LL attributeValue
-     *         ... 
-     *         0x04 LL attributeValue 
-     * 
-     * @param buffer The buffer where to put the PDU
-     */
-    private void encodeAddRequest( ByteBuffer buffer, AddRequestDecorator decorator ) throws EncoderException
-    {
-        AddRequest addRequest = decorator.getDecorated();
-
-        try
-        {
-            // The AddRequest Tag
-            buffer.put( LdapConstants.ADD_REQUEST_TAG );
-            buffer.put( TLV.getBytes( decorator.getAddRequestLength() ) );
-
-            // The entry
-            Value.encode( buffer, Dn.getBytes(addRequest.getEntryDn()) );
-
-            // The attributes sequence
-            buffer.put( UniversalTag.SEQUENCE.getValue() );
-            buffer.put( TLV.getBytes( decorator.getEntryLength() ) );
-
-            // The partial attribute list
-            Entry entry = addRequest.getEntry();
-
-            if ( entry.size() != 0 )
-            {
-                int attributeNumber = 0;
-
-                // Compute the attributes length
-                for ( EntryAttribute attribute : entry )
-                {
-                    // The attributes list sequence
-                    buffer.put( UniversalTag.SEQUENCE.getValue() );
-                    int localAttributeLength = decorator.getAttributesLength().get( attributeNumber );
-                    buffer.put( TLV.getBytes( localAttributeLength ) );
-
-                    // The attribute type
-                    Value.encode( buffer, attribute.getId() );
-
-                    // The values
-                    buffer.put( UniversalTag.SET.getValue() );
-                    int localValuesLength = decorator.getValuesLength().get( attributeNumber );
-                    buffer.put( TLV.getBytes( localValuesLength ) );
-
-                    if ( attribute.size() != 0 )
-                    {
-                        for ( org.apache.directory.shared.ldap.model.entry.Value<?> value : attribute )
-                        {
-                            if ( value.isBinary() )
-                            {
-                                Value.encode( buffer, value.getBytes() );
-                            }
-                            else
-                            {
-                                Value.encode( buffer, value.getString() );
-                            }
-                        }
-                    }
-
-                    // Go to the next attribute number;
-                    attributeNumber++;
-                }
-            }
-        }
-        catch ( BufferOverflowException boe )
-        {
-            throw new EncoderException( "The PDU buffer size is too small !" );
-        }
-    }
-
-
-    /**
-     * Encode the AddResponse message to a PDU.
-     * 
-     * @param buffer The buffer where to put the PDU
-     * @param addResponseDecorator the AddResponse decorator
-     */
-    private void encodeAddResponse( ByteBuffer buffer, AddResponseDecorator addResponseDecorator ) throws EncoderException
-    {
-        try
-        {
-            // The AddResponse Tag
-            buffer.put( LdapConstants.ADD_RESPONSE_TAG );
-            buffer.put( TLV.getBytes( addResponseDecorator.getAddResponseLength() ) );
-
-            // The LdapResult
-            encodeLdapResult( buffer, (LdapResultDecorator)addResponseDecorator.getLdapResult() );
-        }
-        catch ( BufferOverflowException boe )
-        {
-            throw new EncoderException( I18n.err( I18n.ERR_04005 ) );
-        }
-    }
-
-
-    /**
-     * Encode the BindRequest message to a PDU. 
-     * 
-     * BindRequest : 
-     * <pre>
-     * 0x60 LL 
-     *   0x02 LL version         0x80 LL simple 
-     *   0x04 LL name           /   
-     *   authentication.encode() 
-     *                          \ 0x83 LL mechanism [0x04 LL credential]
-     * </pre>
-     * 
-     * @param buffer The buffer where to put the PDU
-     * @return The PDU.
-     */
-    private void encodeBindRequest( ByteBuffer buffer, BindRequestDecorator decorator ) throws EncoderException
-    {
-        BindRequest bindRequest = decorator.getDecorated();
-
-        try
-        {
-            // The BindRequest Tag
-            buffer.put( LdapConstants.BIND_REQUEST_TAG );
-            buffer.put( TLV.getBytes( decorator.getBindRequestLength() ) );
-
-        }
-        catch ( BufferOverflowException boe )
-        {
-            throw new EncoderException( I18n.err( I18n.ERR_04005 ) );
-        }
-
-        // The version (LDAP V3 only)
-        Value.encode( buffer, 3 );
-
-        // The name
-        Value.encode( buffer, Dn.getBytes(bindRequest.getName()) );
-
-        byte[] credentials = bindRequest.getCredentials();
-
-        // The authentication
-        if ( bindRequest.isSimple() )
-        {
-            // Simple authentication
-            try
-            {
-                // The simpleAuthentication Tag
-                buffer.put( ( byte ) LdapConstants.BIND_REQUEST_SIMPLE_TAG );
-
-                if ( credentials != null )
-                {
-                    buffer.put( TLV.getBytes( credentials.length ) );
-
-                    if ( credentials.length != 0 )
-                    {
-                        buffer.put( credentials );
-                    }
-                }
-                else
-                {
-                    buffer.put( ( byte ) 0 );
-                }
-            }
-            catch ( BufferOverflowException boe )
-            {
-                String msg = I18n.err( I18n.ERR_04005 );
-                throw new EncoderException( msg );
-            }
-        }
-        else
-        {
-            // SASL Bind
-            try
-            {
-                // The saslAuthentication Tag
-                buffer.put( ( byte ) LdapConstants.BIND_REQUEST_SASL_TAG );
-
-                byte[] mechanismBytes = Strings.getBytesUtf8(bindRequest.getSaslMechanism());
-
-                buffer.put( TLV
-                    .getBytes( decorator.getSaslMechanismLength() + decorator.getSaslCredentialsLength() ) );
-
-                Value.encode( buffer, mechanismBytes );
-
-                if ( credentials != null )
-                {
-                    Value.encode( buffer, credentials );
-                }
-            }
-            catch ( BufferOverflowException boe )
-            {
-                String msg = I18n.err( I18n.ERR_04005 );
-                throw new EncoderException( msg );
-            }
-        }
-    }
-
-
-    /**
-     * Encode the BindResponse message to a PDU.
-     * 
-     * BindResponse :
-     * <pre>
-     * LdapResult.encode 
-     * [0x87 LL serverSaslCreds]
-     * </pre>
-     * 
-     * @param bb The buffer where to put the PDU
-     * @param bindResponseDecorator The decorated BindResponse to encode
-     * @throws EncoderException when encoding operations fail
-     */
-    private void encodeBindResponse( ByteBuffer bb, BindResponseDecorator bindResponseDecorator ) throws EncoderException
-    {
-        BindResponse bindResponse = bindResponseDecorator.getDecorated();
-
-        try
-        {
-            // The BindResponse Tag
-            bb.put( LdapConstants.BIND_RESPONSE_TAG );
-            bb.put( TLV.getBytes( bindResponseDecorator.getBindResponseLength() ) );
-
-            // The LdapResult
-            encodeLdapResult( bb, (LdapResultDecorator)bindResponseDecorator.getLdapResult() );
-
-            // The serverSaslCredential, if any
-            byte[] serverSaslCreds = bindResponse.getServerSaslCreds();
-
-            if ( serverSaslCreds != null )
-            {
-                bb.put( ( byte ) LdapConstants.SERVER_SASL_CREDENTIAL_TAG );
-
-                bb.put( TLV.getBytes( serverSaslCreds.length ) );
-
-                if ( serverSaslCreds.length != 0 )
-                {
-                    bb.put( serverSaslCreds );
-                }
-            }
-        }
-        catch ( BufferOverflowException boe )
-        {
-            throw new EncoderException( I18n.err( I18n.ERR_04005 ) );
-        }
-    }
-
-
-    /**
-     * Encode the CompareRequest message to a PDU. 
-     * 
-     * CompareRequest : 
-     *   0x6E LL 
-     *     0x04 LL entry 
-     *     0x30 LL attributeValueAssertion 
-     *       0x04 LL attributeDesc 
-     *       0x04 LL assertionValue
-     * 
-     * @param buffer The buffer where to put the PDU
-     */
-    private void encodeCompareRequest( ByteBuffer buffer, CompareRequestDecorator decorator ) throws EncoderException
-    {
-        CompareRequest compareRequest = decorator.getDecorated();
-        try
-        {
-            // The CompareRequest Tag
-            buffer.put( LdapConstants.COMPARE_REQUEST_TAG );
-            buffer.put( TLV.getBytes( decorator.getCompareRequestLength() ) );
-
-            // The entry
-            Value.encode( buffer, Dn.getBytes(compareRequest.getName()) );
-
-            // The attributeValueAssertion sequence Tag
-            buffer.put( UniversalTag.SEQUENCE.getValue() );
-            buffer.put( TLV.getBytes( decorator.getAvaLength() ) );
-        }
-        catch ( BufferOverflowException boe )
-        {
-            throw new EncoderException( I18n.err( I18n.ERR_04005 ) );
-        }
-
-        // The attributeDesc
-        Value.encode( buffer, decorator.getAttrIdBytes() );
-
-        // The assertionValue
-        Value.encode( buffer, ( byte[] ) decorator.getAttrValBytes() );
-    }
-
-
-    /**
-     * Encode the CompareResponse message to a PDU.
-     * 
-     * @param buffer The buffer where to put the PDU
-     */
-    private void encodeCompareResponse( ByteBuffer buffer, CompareResponseDecorator compareResponseDecorator )
-        throws EncoderException
-    {
-        try
-        {
-            // The CompareResponse Tag
-            buffer.put( LdapConstants.COMPARE_RESPONSE_TAG );
-            buffer.put( TLV.getBytes( compareResponseDecorator.getCompareResponseLength() ) );
-
-            // The LdapResult
-            encodeLdapResult( buffer, (LdapResultDecorator)compareResponseDecorator.getLdapResult() );
-        }
-        catch ( BufferOverflowException boe )
-        {
-            throw new EncoderException( I18n.err( I18n.ERR_04005 ) );
-        }
-    }
-
-
-    /**
-     * Encode the DelRequest message to a PDU. 
-     * 
-     * DelRequest : 
-     * 0x4A LL entry
-     * 
-     * @param buffer The buffer where to put the PDU
-     */
-    private void encodeDeleteRequest( ByteBuffer buffer, DeleteRequestImpl deleteRequest ) throws EncoderException
-    {
-        try
-        {
-            // The DelRequest Tag
-            buffer.put( LdapConstants.DEL_REQUEST_TAG );
-
-            // The entry
-            buffer.put( TLV.getBytes( Dn.getNbBytes(deleteRequest.getName()) ) );
-            buffer.put( Dn.getBytes(deleteRequest.getName()) );
-        }
-        catch ( BufferOverflowException boe )
-        {
-            throw new EncoderException( I18n.err( I18n.ERR_04005 ) );
-        }
-    }
-
-
-    /**
-     * Encode the DelResponse message to a PDU.
-     * 
-     * @param buffer The buffer where to put the PDU
-     */
-    private void encodeDeleteResponse( ByteBuffer buffer, DeleteResponseDecorator deleteResponseDecorator ) throws EncoderException
-    {
-        try
-        {
-            // The DelResponse Tag
-            buffer.put( LdapConstants.DEL_RESPONSE_TAG );
-            buffer.put( TLV.getBytes( deleteResponseDecorator.getDeleteResponseLength() ) );
-
-            // The LdapResult
-            encodeLdapResult( buffer, (LdapResultDecorator)deleteResponseDecorator.getLdapResult() );
-        }
-        catch ( BufferOverflowException boe )
-        {
-            throw new EncoderException( I18n.err( I18n.ERR_04005 ) );
-        }
-    }
-
-
-    /**
-     * Encode the ExtendedRequest message to a PDU. 
-     * 
-     * ExtendedRequest :
-     * 
-     * 0x80 LL resquest name
-     * [0x81 LL request value]
-     * 
-     * @param buffer The buffer where to put the PDU
-     * @return The PDU.
-     */
-    private void encodeExtendedRequest( ByteBuffer buffer, ExtendedRequestDecorator decorator )
-        throws EncoderException
-    {
-        ExtendedRequest extendedRequest = decorator.getDecorated();
-        try
-        {
-            // The BindResponse Tag
-            buffer.put( LdapConstants.EXTENDED_REQUEST_TAG );
-            buffer.put( TLV.getBytes( decorator.getExtendedRequestLength() ) );
-
-            // The requestName, if any
-            if ( decorator.getRequestNameBytes() == null )
-            {
-                throw new EncoderException( I18n.err( I18n.ERR_04043 ) );
-            }
-
-            buffer.put( ( byte ) LdapConstants.EXTENDED_REQUEST_NAME_TAG );
-            buffer.put( TLV.getBytes( decorator.getRequestNameBytes().length ) );
-
-            if ( decorator.getRequestNameBytes().length != 0 )
-            {
-                buffer.put( decorator.getRequestNameBytes() );
-            }
-
-            // The requestValue, if any
-            if ( extendedRequest.getRequestValue() != null )
-            {
-                buffer.put( ( byte ) LdapConstants.EXTENDED_REQUEST_VALUE_TAG );
-
-                buffer.put( TLV.getBytes( extendedRequest.getRequestValue().length ) );
-
-                if ( extendedRequest.getRequestValue().length != 0 )
-                {
-                    buffer.put( extendedRequest.getRequestValue() );
-                }
-            }
-        }
-        catch ( BufferOverflowException boe )
-        {
-            throw new EncoderException( I18n.err( I18n.ERR_04005 ) );
-        }
-
-    }
-
-
-    /**
-     * Encode the ExtendedResponse message to a PDU. 
-     * ExtendedResponse :
-     * LdapResult.encode()
-     * [0x8A LL response name]
-     * [0x8B LL response]
-     * 
-     * @param buffer The buffer where to put the PDU
-     * @return The PDU.
-     */
-    private void encodeExtendedResponse( ByteBuffer buffer, ExtendedResponseDecorator extendedResponseDecorator )
-        throws EncoderException
-    {
-        ExtendedResponse extendedResponse = extendedResponseDecorator.getDecorated();
-        
-        try
-        {
-            // The ExtendedResponse Tag
-            buffer.put( LdapConstants.EXTENDED_RESPONSE_TAG );
-            buffer.put( TLV.getBytes( extendedResponseDecorator.getExtendedResponseLength() ) );
-
-            // The LdapResult
-            encodeLdapResult( buffer, (LdapResultDecorator)extendedResponseDecorator.getLdapResult() );
-
-            // The ID, if any
-            byte[] idBytes = extendedResponseDecorator.getResponseNameBytes();
-
-            if ( idBytes != null )
-            {
-                buffer.put( ( byte ) LdapConstants.EXTENDED_RESPONSE_RESPONSE_NAME_TAG );
-                buffer.put( TLV.getBytes( idBytes.length ) );
-
-                if ( idBytes.length != 0 )
-                {
-                    buffer.put( idBytes );
-                }
-            }
-
-            // The encodedValue, if any
-            byte[] encodedValue = extendedResponse.getResponseValue();
-
-            if ( encodedValue != null )
-            {
-                buffer.put( ( byte ) LdapConstants.EXTENDED_RESPONSE_RESPONSE_TAG );
-
-                buffer.put( TLV.getBytes( encodedValue.length ) );
-
-                if ( encodedValue.length != 0 )
-                {
-                    buffer.put( encodedValue );
-                }
-            }
-        }
-        catch ( BufferOverflowException boe )
-        {
-            throw new EncoderException( I18n.err( I18n.ERR_04005 ) );
-        }
-    }
-
-
-    /**
-     * Encode the IntermediateResponse message to a PDU. 
-     * IntermediateResponse :
-     *   0x79 LL
-     *     [0x80 LL response name]
-     *     [0x81 LL responseValue]
-     * 
-     * @param buffer The buffer where to put the PDU
-     */
-    private void encodeIntermediateResponse( ByteBuffer buffer, IntermediateResponseDecorator decorator )
-        throws EncoderException
-    {
-        IntermediateResponse intermediateResponse = decorator.getDecorated();
-        try
-        {
-            // The ExtendedResponse Tag
-            buffer.put( LdapConstants.INTERMEDIATE_RESPONSE_TAG );
-            buffer.put( TLV.getBytes( decorator.getIntermediateResponseLength() ) );
-
-            // The responseName, if any
-            byte[] responseNameBytes = decorator.getResponseNameBytes();
-
-            if ( ( responseNameBytes != null ) && ( responseNameBytes.length != 0 ) )
-            {
-                buffer.put( ( byte ) LdapConstants.INTERMEDIATE_RESPONSE_NAME_TAG );
-                buffer.put( TLV.getBytes( responseNameBytes.length ) );
-                buffer.put( responseNameBytes );
-            }
-
-            // The encodedValue, if any
-            byte[] encodedValue = intermediateResponse.getResponseValue();
-
-            if ( encodedValue != null )
-            {
-                buffer.put( ( byte ) LdapConstants.INTERMEDIATE_RESPONSE_VALUE_TAG );
-
-                buffer.put( TLV.getBytes( encodedValue.length ) );
-
-                if ( encodedValue.length != 0 )
-                {
-                    buffer.put( encodedValue );
-                }
-            }
-        }
-        catch ( BufferOverflowException boe )
-        {
-            throw new EncoderException( I18n.err( I18n.ERR_04005 ) );
-        }
-    }
-
-
-    /**
-     * Encode the ModifyRequest message to a PDU. 
-     * 
-     * ModifyRequest : 
-     * <pre>
-     * 0x66 LL
-     *   0x04 LL object
-     *   0x30 LL modifications
-     *     0x30 LL modification sequence
-     *       0x0A 0x01 operation
-     *       0x30 LL modification
-     *         0x04 LL type
-     *         0x31 LL vals
-     *           0x04 LL attributeValue
-     *           ... 
-     *           0x04 LL attributeValue
-     *     ... 
-     *     0x30 LL modification sequence
-     *       0x0A 0x01 operation
-     *       0x30 LL modification
-     *         0x04 LL type
-     *         0x31 LL vals
-     *           0x04 LL attributeValue
-     *           ... 
-     *           0x04 LL attributeValue
-     * </pre>
-     * 
-     * @param buffer The buffer where to put the PDU
-     * @return The PDU.
-     */
-    private void encodeModifyRequest( ByteBuffer buffer, ModifyRequestDecorator decorator ) throws EncoderException
-    {
-        ModifyRequest modifyRequest = decorator.getDecorated();
-        try
-        {
-            // The AddRequest Tag
-            buffer.put( LdapConstants.MODIFY_REQUEST_TAG );
-            buffer.put( TLV.getBytes( decorator.getModifyRequestLength() ) );
-
-            // The entry
-            Value.encode( buffer, Dn.getBytes( modifyRequest.getName()) );
-
-            // The modifications sequence
-            buffer.put( UniversalTag.SEQUENCE.getValue() );
-            buffer.put( TLV.getBytes( decorator.getChangesLength() ) );
-
-            // The modifications list
-            Collection<Modification> modifications = modifyRequest.getModifications();
-
-            if ( ( modifications != null ) && ( modifications.size() != 0 ) )
-            {
-                int modificationNumber = 0;
-
-                // Compute the modifications length
-                for ( Modification modification : modifications )
-                {
-                    // The modification sequence
-                    buffer.put( UniversalTag.SEQUENCE.getValue() );
-                    int localModificationSequenceLength = decorator.getChangeLength().get( modificationNumber );
-                    buffer.put( TLV.getBytes( localModificationSequenceLength ) );
-
-                    // The operation. The value has to be changed, it's not
-                    // the same value in DirContext and in RFC 2251.
-                    buffer.put( UniversalTag.ENUMERATED.getValue() );
-                    buffer.put( ( byte ) 1 );
-                    buffer.put( ( byte ) modification.getOperation().getValue() );
-
-                    // The modification
-                    buffer.put( UniversalTag.SEQUENCE.getValue() );
-                    int localModificationLength = decorator.getModificationLength().get( modificationNumber );
-                    buffer.put( TLV.getBytes( localModificationLength ) );
-
-                    // The modification type
-                    Value.encode( buffer, modification.getAttribute().getId() );
-
-                    // The values
-                    buffer.put( UniversalTag.SET.getValue() );
-                    int localValuesLength = decorator.getValuesLength().get( modificationNumber );
-                    buffer.put( TLV.getBytes( localValuesLength ) );
-
-                    if ( modification.getAttribute().size() != 0 )
-                    {
-                        for ( org.apache.directory.shared.ldap.model.entry.Value<?> value : modification.getAttribute() )
-                        {
-                            if ( !value.isBinary() )
-                            {
-                                Value.encode( buffer, value.getString() );
-                            }
-                            else
-                            {
-                                Value.encode( buffer, value.getBytes() );
-                            }
-                        }
-                    }
-
-                    // Go to the next modification number;
-                    modificationNumber++;
-                }
-            }
-        }
-        catch ( BufferOverflowException boe )
-        {
-            throw new EncoderException( I18n.err( I18n.ERR_04005 ) );
-        }
-    }
-
-
-    /**
-     * Encode the ModifyResponse message to a PDU.
-     * 
-     * @param buffer The buffer where to put the PDU
-     */
-    private void encodeModifyResponse( ByteBuffer buffer, ModifyResponseDecorator modifyDecorator ) throws EncoderException
-    {
-        try
-        {
-            // The ModifyResponse Tag
-            buffer.put( LdapConstants.MODIFY_RESPONSE_TAG );
-            buffer.put( TLV.getBytes( modifyDecorator.getModifyResponseLength() ) );
-
-            // The LdapResult
-            encodeLdapResult( buffer, (LdapResultDecorator)modifyDecorator.getLdapResult() );
-        }
-        catch ( BufferOverflowException boe )
-        {
-            throw new EncoderException( I18n.err( I18n.ERR_04005 ) );
-        }
-    }
-
-
-    /**
-     * Encode the ModifyDNRequest message to a PDU. 
-     * 
-     * ModifyDNRequest :
-     * <pre>
-     * 0x6C LL
-     *   0x04 LL entry
-     *   0x04 LL newRDN
-     *   0x01 0x01 deleteOldRDN
-     *   [0x80 LL newSuperior]
-     * </pre>
-     * @param buffer The buffer where to put the PDU
-     * @return The PDU.
-     */
-    private void encodeModifyDnRequest( ByteBuffer buffer, ModifyDnRequestDecorator decorator )
-        throws EncoderException
-    {
-        ModifyDnRequest modifyDnRequest = decorator.getDecorated();
-        try
-        {
-            // The ModifyDNRequest Tag
-            buffer.put( LdapConstants.MODIFY_DN_REQUEST_TAG );
-            buffer.put( TLV.getBytes( decorator.getModifyDnResponseLength() ) );
-
-            // The entry
-
-            Value.encode( buffer, Dn.getBytes(modifyDnRequest.getName()) );
-
-            // The newRDN
-            Value.encode( buffer, modifyDnRequest.getNewRdn().getName() );
-
-            // The flag deleteOldRdn
-            Value.encode( buffer, modifyDnRequest.getDeleteOldRdn() );
-
-            // The new superior, if any
-            if ( modifyDnRequest.getNewSuperior() != null )
-            {
-                // Encode the reference
-                buffer.put( ( byte ) LdapConstants.MODIFY_DN_REQUEST_NEW_SUPERIOR_TAG );
-
-                int newSuperiorLength = Dn.getNbBytes(modifyDnRequest.getNewSuperior());
-
-                buffer.put( TLV.getBytes( newSuperiorLength ) );
-
-                if ( newSuperiorLength != 0 )
-                {
-                    buffer.put( Dn.getBytes(modifyDnRequest.getNewSuperior()) );
-                }
-            }
-        }
-        catch ( BufferOverflowException boe )
-        {
-            throw new EncoderException( I18n.err( I18n.ERR_04005 ) );
-        }
-
-    }
-
-
-    /**
-     * Encode the ModifyDnResponse message to a PDU.
-     * 
-     * @param buffer The buffer where to put the PDU
-     */
-    private void encodeModifyDnResponse( ByteBuffer buffer, ModifyDnResponseDecorator modifyDnDecorator )
-        throws EncoderException
-    {
-        try
-        {
-            // The ModifyResponse Tag
-            buffer.put( LdapConstants.MODIFY_DN_RESPONSE_TAG );
-            buffer.put( TLV.getBytes( modifyDnDecorator.getModifyDnResponseLength() ) );
-
-            // The LdapResult
-            encodeLdapResult( buffer, (LdapResultDecorator)modifyDnDecorator.getLdapResult() );
-        }
-        catch ( BufferOverflowException boe )
-        {
-            throw new EncoderException( I18n.err( I18n.ERR_04005 ) );
-        }
-    }
-
-
-    /**
-     * Encode the SearchRequest message to a PDU.
-     * 
-     * SearchRequest :
-     * <pre>
-     * 0x63 LL
-     *   0x04 LL baseObject
-     *   0x0A 01 scope
-     *   0x0A 01 derefAliases
-     *   0x02 0N sizeLimit
-     *   0x02 0N timeLimit
-     *   0x01 0x01 typesOnly
-     *   filter.encode()
-     *   0x30 LL attributeDescriptionList
-     *     0x04 LL attributeDescription
-     *     ... 
-     *     0x04 LL attributeDescription
-     * </pre>
-     * @param buffer The buffer where to put the PDU
-     * @return The PDU.
-     */
-    private void encodeSearchRequest( ByteBuffer buffer, SearchRequestDecorator decorator ) throws EncoderException
-    {
-        SearchRequest searchRequest = decorator.getDecorated();
-        try
-        {
-            // The SearchRequest Tag
-            buffer.put( LdapConstants.SEARCH_REQUEST_TAG );
-            buffer.put( TLV.getBytes( decorator.getSearchRequestLength() ) );
-
-            // The baseObject
-            Value.encode( buffer, Dn.getBytes( searchRequest.getBase()) );
-
-            // The scope
-            Value.encodeEnumerated( buffer, searchRequest.getScope().getScope() );
-
-            // The derefAliases
-            Value.encodeEnumerated( buffer, searchRequest.getDerefAliases().getValue() );
-
-            // The sizeLimit
-            Value.encode( buffer, searchRequest.getSizeLimit() );
-
-            // The timeLimit
-            Value.encode( buffer, searchRequest.getTimeLimit() );
-
-            // The typesOnly
-            Value.encode( buffer, searchRequest.getTypesOnly() );
-
-            // The filter
-            decorator.getCodecFilter().encode( buffer );
-
-            // The attributeDescriptionList
-            buffer.put( UniversalTag.SEQUENCE.getValue() );
-            buffer.put( TLV.getBytes( decorator.getAttributeDescriptionListLength() ) );
-
-            if ( ( searchRequest.getAttributes() != null ) && ( searchRequest.getAttributes().size() != 0 ) )
-            {
-                // encode each attribute
-                for ( String attribute : searchRequest.getAttributes() )
-                {
-                    Value.encode( buffer, attribute );
-                }
-            }
-        }
-        catch ( BufferOverflowException boe )
-        {
-            throw new EncoderException( I18n.err( I18n.ERR_04005 ) );
-        }
-
-    }
-
-
-    /**
-     * Encode the SearchResultDone message to a PDU.
-     * 
-     * @param buffer The buffer where to put the PDU
-     * @param searchResultDoneDecorator The SearchResultDone decorator
-     */
-    private void encodeSearchResultDone( ByteBuffer buffer, SearchResultDoneDecorator searchResultDoneDecorator )
-        throws EncoderException
-    {
-        try
-        {
-            // The searchResultDone Tag
-            buffer.put( LdapConstants.SEARCH_RESULT_DONE_TAG );
-            buffer.put( TLV.getBytes( searchResultDoneDecorator.getSearchResultDoneLength() ) );
-
-            // The LdapResult
-            encodeLdapResult( buffer, (LdapResultDecorator)searchResultDoneDecorator.getLdapResult() );
-        }
-        catch ( BufferOverflowException boe )
-        {
-            throw new EncoderException( I18n.err( I18n.ERR_04005 ) );
-        }
-    }
-
-
-    /**
-     * Encode the SearchResultEntry message to a PDU.
-     * 
-     * SearchResultEntry :
-     * <pre>
-     * 0x64 LL
-     *   0x04 LL objectName
-     *   0x30 LL attributes
-     *     0x30 LL partialAttributeList
-     *       0x04 LL type
-     *       0x31 LL vals
-     *         0x04 LL attributeValue
-     *         ... 
-     *         0x04 LL attributeValue
-     *     ... 
-     *     0x30 LL partialAttributeList
-     *       0x04 LL type
-     *       0x31 LL vals
-     *         0x04 LL attributeValue
-     *         ... 
-     *         0x04 LL attributeValue 
-     * </pre>
-     * @param buffer The buffer where to put the PDU
-     * @param searchResultEntryDecorator the SearchResultEntry decorator
-     * @return The PDU.
-     */
-    private void encodeSearchResultEntry( ByteBuffer buffer, SearchResultEntryDecorator searchResultEntryDecorator )
-        throws EncoderException
-    {
-        SearchResultEntry searchResultEntry = searchResultEntryDecorator.getDecorated();
-        try
-        {
-            // The SearchResultEntry Tag
-            buffer.put( LdapConstants.SEARCH_RESULT_ENTRY_TAG );
-            buffer.put( TLV.getBytes( searchResultEntryDecorator.getSearchResultEntryLength() ) );
-
-            // The objectName
-            Value.encode( buffer, searchResultEntryDecorator.getObjectNameBytes() );
-
-            // The attributes sequence
-            buffer.put( UniversalTag.SEQUENCE.getValue() );
-            buffer.put( TLV.getBytes( searchResultEntryDecorator.getAttributesLength() ) );
-
-            // The partial attribute list
-            Entry entry = searchResultEntry.getEntry();
-
-            if ( ( entry != null ) && ( entry.size() != 0 ) )
-            {
-                int attributeNumber = 0;
-
-                // Compute the attributes length
-                for ( EntryAttribute attribute : entry )
-                {
-                    // The partial attribute list sequence
-                    buffer.put( UniversalTag.SEQUENCE.getValue() );
-                    int localAttributeLength = searchResultEntryDecorator.getAttributeLength().get( attributeNumber );
-                    buffer.put( TLV.getBytes( localAttributeLength ) );
-
-                    // The attribute type
-                    Value.encode( buffer, Asn1StringUtils.asciiStringToByte( attribute.getUpId() ) );
-
-                    // The values
-                    buffer.put( UniversalTag.SET.getValue() );
-                    int localValuesLength = searchResultEntryDecorator.getValsLength().get( attributeNumber );
-                    buffer.put( TLV.getBytes( localValuesLength ) );
-
-                    if ( attribute.size() > 0 )
-                    {
-                        for ( org.apache.directory.shared.ldap.model.entry.Value<?> value : attribute )
-                        {
-                            if ( !value.isBinary() )
-                            {
-                                Value.encode( buffer, value.getString() );
-                            }
-                            else
-                            {
-                                Value.encode( buffer, value.getBytes() );
-                            }
-                        }
-                    }
-
-                    // Go to the next attribute number;
-                    attributeNumber++;
-                }
-            }
-        }
-        catch ( BufferOverflowException boe )
-        {
-            throw new EncoderException( I18n.err( I18n.ERR_04005 ) );
-        }
-    }
-
-
-    /**
-     * Encode the Unbind protocolOp part
-     */
-    private void encodeUnbindRequest( ByteBuffer buffer ) throws EncoderException
-    {
-        try
-        {
-            // The tag
-            buffer.put( LdapConstants.UNBIND_REQUEST_TAG );
-
-            // The length is always null.
-            buffer.put( ( byte ) 0 );
-        }
-        catch ( BufferOverflowException boe )
-        {
-            String msg = I18n.err( I18n.ERR_04005 );
-            throw new EncoderException( msg );
-        }
-    }
-
-
-    /**
-     * Encode the SearchResultReference message to a PDU.
-     * 
-     * SearchResultReference :
-     * <pre>
-     * 0x73 LL
-     *   0x04 LL reference
-     *   [0x04 LL reference]*
-     * </pre>
-     * @param buffer The buffer where to put the PDU
-     * @param searchResultReferenceDecorator The SearchResultReference decorator
-     * @return The PDU.
-     */
-    private void encodeSearchResultReference( ByteBuffer buffer, SearchResultReferenceDecorator searchResultReferenceDecorator )
-        throws EncoderException
-    {
-        SearchResultReference searchResultReference = searchResultReferenceDecorator.getDecorated();
-        try
-        {
-            // The SearchResultReference Tag
-            buffer.put( LdapConstants.SEARCH_RESULT_REFERENCE_TAG );
-            buffer.put( TLV.getBytes( searchResultReferenceDecorator.getSearchResultReferenceLength() ) );
-
-            // The referrals, if any
-            Referral referral = searchResultReference.getReferral();
-
-            if ( referral != null )
-            {
-                // Each referral
-                for ( byte[] ldapUrlBytes : referral.getLdapUrlsBytes() )
-                {
-                    // Encode the current referral
-                    Value.encode( buffer, ldapUrlBytes );
-                }
-            }
-        }
-        catch ( BufferOverflowException boe )
-        {
-            throw new EncoderException( I18n.err( I18n.ERR_04005 ) );
-        }
-    }
-
-
-    /**
-     * Compute the protocolOp length 
-     */
-    private int computeProtocolOpLength( MessageDecorator<? extends Message> messageDecorator )
-    {
-        Message message = messageDecorator.getDecorated();
-
-        switch ( message.getType() )
-        {
-            case ABANDON_REQUEST:
-                return computeAbandonRequestLength( ( AbandonRequestDecorator ) message );
-
-            case ADD_REQUEST:
-                return computeAddRequestLength( ( AddRequestDecorator ) messageDecorator );
-
-            case ADD_RESPONSE:
-                return computeAddResponseLength( ( AddResponseDecorator ) messageDecorator );
-
-            case BIND_REQUEST:
-                return computeBindRequestLength( ( BindRequestDecorator ) messageDecorator );
-
-            case BIND_RESPONSE:
-                return computeBindResponseLength( ( BindResponseDecorator ) messageDecorator );
-
-            case COMPARE_REQUEST:
-                return computeCompareRequestLength( ( CompareRequestDecorator ) messageDecorator );
-
-            case COMPARE_RESPONSE:
-                return computeCompareResponseLength( (CompareResponseDecorator) messageDecorator );
-
-            case DEL_REQUEST:
-                return computeDeleteRequestLength( ( DeleteRequestImpl ) message );
-
-            case DEL_RESPONSE:
-                return computeDeleteResponseLength( ( DeleteResponseDecorator ) messageDecorator );
-
-            case EXTENDED_REQUEST:
-                return computeExtendedRequestLength( ( ExtendedRequestDecorator ) messageDecorator );
-
-            case EXTENDED_RESPONSE:
-                return computeExtendedResponseLength( (ExtendedResponseDecorator) messageDecorator );
-
-            case INTERMEDIATE_RESPONSE:
-                return computeIntermediateResponseLength( ( IntermediateResponseDecorator ) messageDecorator );
-
-            case MODIFY_REQUEST:
-                return computeModifyRequestLength( ( ModifyRequestDecorator ) messageDecorator );
-
-            case MODIFY_RESPONSE:
-                return computeModifyResponseLength( ( ModifyResponseDecorator ) messageDecorator );
-
-            case MODIFYDN_REQUEST:
-                return computeModifyDnRequestLength( ( ModifyDnRequestDecorator ) messageDecorator );
-
-            case MODIFYDN_RESPONSE:
-                return computeModifyDnResponseLength( ( ModifyDnResponseDecorator ) messageDecorator );
-
-            case SEARCH_REQUEST:
-                return computeSearchRequestLength( ( SearchRequestDecorator ) messageDecorator );
-
-            case SEARCH_RESULT_DONE:
-                return computeSearchResultDoneLength( ( SearchResultDoneDecorator ) messageDecorator );
-
-            case SEARCH_RESULT_ENTRY:
-                return computeSearchResultEntryLength( ( SearchResultEntryDecorator ) messageDecorator );
-
-            case SEARCH_RESULT_REFERENCE:
-                return computeSearchResultReferenceLength( ( SearchResultReferenceDecorator ) messageDecorator );
-
-            case UNBIND_REQUEST:
-                return computeUnbindRequestLength( );
-
-            default:
-                return 0;
-        }
-    }
-
-
-    private void encodeProtocolOp( ByteBuffer bb, MessageDecorator<? extends Message> decorator ) throws EncoderException
-    {
-        Message message = decorator.getDecorated();
-
-        switch ( message.getType() )
-        {
-            case ABANDON_REQUEST:
-                encodeAbandonRequest( bb, ( AbandonRequestImpl ) message );
-                break;
-
-            case ADD_REQUEST:
-                encodeAddRequest( bb, ( AddRequestDecorator ) decorator );
-                break;
-
-            case ADD_RESPONSE:
-                encodeAddResponse( bb, ( AddResponseDecorator ) decorator );
-                break;
-
-            case BIND_REQUEST:
-                encodeBindRequest( bb, ( BindRequestDecorator ) decorator );
-                break;
-
-            case BIND_RESPONSE:
-                encodeBindResponse( bb, ( BindResponseDecorator ) decorator );
-                break;
-
-            case COMPARE_REQUEST:
-                encodeCompareRequest( bb, ( CompareRequestDecorator ) decorator );
-                break;
-
-            case COMPARE_RESPONSE:
-                encodeCompareResponse( bb, ( CompareResponseDecorator ) decorator );
-                break;
-
-            case DEL_REQUEST:
-                encodeDeleteRequest( bb, ( DeleteRequestImpl ) message );
-                break;
-
-            case DEL_RESPONSE:
-                encodeDeleteResponse( bb, ( DeleteResponseDecorator ) decorator );
-                break;
-
-            case EXTENDED_REQUEST:
-                encodeExtendedRequest( bb, ( ExtendedRequestDecorator ) decorator );
-                break;
-
-            case EXTENDED_RESPONSE:
-                encodeExtendedResponse( bb, ( ExtendedResponseDecorator ) decorator );
-                break;
-
-            case INTERMEDIATE_RESPONSE:
-                encodeIntermediateResponse( bb, ( IntermediateResponseDecorator ) decorator );
-                break;
-
-            case MODIFY_REQUEST:
-                encodeModifyRequest( bb, ( ModifyRequestDecorator ) decorator );
-                break;
-
-            case MODIFY_RESPONSE:
-                encodeModifyResponse( bb, ( ModifyResponseDecorator ) decorator );
-                break;
-
-            case MODIFYDN_REQUEST:
-                encodeModifyDnRequest( bb, ( ModifyDnRequestDecorator ) decorator );
-                break;
-
-            case MODIFYDN_RESPONSE:
-                encodeModifyDnResponse( bb, ( ModifyDnResponseDecorator ) decorator );
-                break;
-
-            case SEARCH_REQUEST:
-                encodeSearchRequest( bb, ( SearchRequestDecorator ) decorator );
-                break;
-
-            case SEARCH_RESULT_DONE:
-                encodeSearchResultDone( bb, ( SearchResultDoneDecorator ) decorator );
-                break;
-
-            case SEARCH_RESULT_ENTRY:
-                encodeSearchResultEntry( bb, ( SearchResultEntryDecorator ) decorator );
-                break;
-
-            case SEARCH_RESULT_REFERENCE:
-                encodeSearchResultReference( bb, ( SearchResultReferenceDecorator ) decorator );
-                break;
-
-            case UNBIND_REQUEST:
-                encodeUnbindRequest( bb );
-                break;
-        }
-    }
 }

Modified: directory/shared/trunk/ldap/src/main/java/org/apache/directory/shared/ldap/model/message/controls/EntryChangeImpl.java
URL: http://svn.apache.org/viewvc/directory/shared/trunk/ldap/src/main/java/org/apache/directory/shared/ldap/model/message/controls/EntryChangeImpl.java?rev=1065029&r1=1065028&r2=1065029&view=diff
==============================================================================
--- directory/shared/trunk/ldap/src/main/java/org/apache/directory/shared/ldap/model/message/controls/EntryChangeImpl.java (original)
+++ directory/shared/trunk/ldap/src/main/java/org/apache/directory/shared/ldap/model/message/controls/EntryChangeImpl.java Sat Jan 29 15:03:05 2011
@@ -30,7 +30,7 @@ import org.apache.directory.shared.ldap.
  */
 public class EntryChangeImpl extends BasicControl implements EntryChange
 {
-
+    /** The changeType */
     private ChangeType changeType = ChangeType.ADD;
 
     private long changeNumber = UNDEFINED_CHANGE_NUMBER;



Mime
View raw message