| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| */ |
| package org.apache.directory.api.ldap.codec.decorators; |
| |
| |
| import java.nio.BufferOverflowException; |
| import java.nio.ByteBuffer; |
| |
| import org.apache.directory.api.asn1.EncoderException; |
| import org.apache.directory.api.asn1.ber.tlv.TLV; |
| import org.apache.directory.api.i18n.I18n; |
| import org.apache.directory.api.ldap.codec.api.LdapApiService; |
| import org.apache.directory.api.ldap.codec.api.LdapCodecConstants; |
| import org.apache.directory.api.ldap.codec.api.MessageDecorator; |
| import org.apache.directory.api.ldap.model.message.IntermediateResponse; |
| import org.apache.directory.api.util.Strings; |
| |
| |
| /** |
| * A decorator for the IntermediateResponse message |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| */ |
| public class IntermediateResponseDecorator extends MessageDecorator<IntermediateResponse> |
| implements IntermediateResponse |
| { |
| /** The response name as a byte[] */ |
| private byte[] responseNameBytes; |
| |
| /** The encoded intermediateResponse length */ |
| private int intermediateResponseLength; |
| |
| /** The encoded value as a byte[] */ |
| private byte[] encodedValueBytes; |
| |
| |
| /** |
| * Makes a IntermediateResponse encodable. |
| * |
| * @param decoratedMessage the decorated IntermediateResponse |
| */ |
| public IntermediateResponseDecorator( LdapApiService codec, IntermediateResponse decoratedMessage ) |
| { |
| super( codec, decoratedMessage ); |
| } |
| |
| |
| //------------------------------------------------------------------------- |
| // The IntermediateResponse methods |
| //------------------------------------------------------------------------- |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public String getResponseName() |
| { |
| return getDecorated().getResponseName(); |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public void setResponseName( String oid ) |
| { |
| getDecorated().setResponseName( oid ); |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public byte[] getResponseValue() |
| { |
| return getDecorated().getResponseValue(); |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public void setResponseValue( byte[] value ) |
| { |
| getDecorated().setResponseValue( value ); |
| } |
| |
| |
| //------------------------------------------------------------------------- |
| // The Decorator methods |
| //------------------------------------------------------------------------- |
| /** |
| * 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 |
| */ |
| public int computeLength() |
| { |
| intermediateResponseLength = 0; |
| |
| if ( !Strings.isEmpty( getResponseName() ) ) |
| { |
| responseNameBytes = Strings.getBytesUtf8( getResponseName() ); |
| |
| int responseNameLength = responseNameBytes.length; |
| intermediateResponseLength += 1 + TLV.getNbBytes( responseNameLength ) + responseNameLength; |
| } |
| |
| encodedValueBytes = getResponseValue(); |
| |
| if ( encodedValueBytes != null ) |
| { |
| intermediateResponseLength += 1 + TLV.getNbBytes( encodedValueBytes.length ) + encodedValueBytes.length; |
| } |
| |
| return 1 + TLV.getNbBytes( intermediateResponseLength ) + intermediateResponseLength; |
| } |
| |
| |
| /** |
| * 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 |
| */ |
| public ByteBuffer encode( ByteBuffer buffer ) throws EncoderException |
| { |
| try |
| { |
| // The ExtendedResponse Tag |
| buffer.put( LdapCodecConstants.INTERMEDIATE_RESPONSE_TAG ); |
| buffer.put( TLV.getBytes( intermediateResponseLength ) ); |
| |
| // The responseName, if any |
| if ( ( responseNameBytes != null ) && ( responseNameBytes.length != 0 ) ) |
| { |
| buffer.put( ( byte ) LdapCodecConstants.INTERMEDIATE_RESPONSE_NAME_TAG ); |
| buffer.put( TLV.getBytes( responseNameBytes.length ) ); |
| buffer.put( responseNameBytes ); |
| } |
| |
| // The encodedValue, if any |
| if ( encodedValueBytes != null ) |
| { |
| buffer.put( ( byte ) LdapCodecConstants.INTERMEDIATE_RESPONSE_VALUE_TAG ); |
| |
| buffer.put( TLV.getBytes( encodedValueBytes.length ) ); |
| |
| if ( encodedValueBytes.length != 0 ) |
| { |
| buffer.put( encodedValueBytes ); |
| } |
| } |
| } |
| catch ( BufferOverflowException boe ) |
| { |
| throw new EncoderException( I18n.err( I18n.ERR_04005 ), boe ); |
| } |
| |
| return buffer; |
| } |
| } |