| /* |
| * 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.extras.controls.syncrepl_impl; |
| |
| |
| import java.nio.ByteBuffer; |
| |
| import org.apache.directory.api.asn1.Asn1Object; |
| import org.apache.directory.api.asn1.DecoderException; |
| import org.apache.directory.api.asn1.EncoderException; |
| import org.apache.directory.api.asn1.ber.Asn1Decoder; |
| import org.apache.directory.api.asn1.ber.tlv.BerValue; |
| import org.apache.directory.api.asn1.ber.tlv.TLV; |
| import org.apache.directory.api.asn1.ber.tlv.UniversalTag; |
| import org.apache.directory.api.i18n.I18n; |
| import org.apache.directory.api.ldap.codec.api.ControlDecorator; |
| import org.apache.directory.api.ldap.codec.api.LdapApiService; |
| import org.apache.directory.api.ldap.extras.controls.SyncRequestValue; |
| import org.apache.directory.api.ldap.extras.controls.SyncRequestValueImpl; |
| import org.apache.directory.api.ldap.extras.controls.SynchronizationModeEnum; |
| import org.apache.directory.api.util.Strings; |
| |
| |
| /** |
| * A syncRequestValue object, as defined in RFC 4533 |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| */ |
| public class SyncRequestValueDecorator extends ControlDecorator<SyncRequestValue> implements SyncRequestValue |
| { |
| /** The global length for this control */ |
| private int syncRequestValueLength; |
| |
| /** An instance of this decoder */ |
| private static final Asn1Decoder decoder = new Asn1Decoder(); |
| |
| |
| public SyncRequestValueDecorator( LdapApiService codec ) |
| { |
| super( codec, new SyncRequestValueImpl() ); |
| } |
| |
| |
| public SyncRequestValueDecorator( LdapApiService codec, SyncRequestValue control ) |
| { |
| super( codec, control ); |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public SynchronizationModeEnum getMode() |
| { |
| return getDecorated().getMode(); |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public void setMode( SynchronizationModeEnum mode ) |
| { |
| getDecorated().setMode( mode ); |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public byte[] getCookie() |
| { |
| return getDecorated().getCookie(); |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public void setCookie( byte[] cookie ) |
| { |
| // Copy the bytes |
| if ( !Strings.isEmpty( cookie ) ) |
| { |
| byte[] copy = new byte[cookie.length]; |
| System.arraycopy( cookie, 0, copy, 0, cookie.length ); |
| getDecorated().setCookie( copy ); |
| } |
| else |
| { |
| getDecorated().setCookie( null ); |
| } |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public boolean isReloadHint() |
| { |
| return getDecorated().isReloadHint(); |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public void setReloadHint( boolean reloadHint ) |
| { |
| getDecorated().setReloadHint( reloadHint ); |
| } |
| |
| |
| /** |
| * Compute the SyncRequestValue length. |
| * |
| * SyncRequestValue : |
| * 0x30 L1 |
| * | |
| * +--> 0x0A 0x01 [0x00|0x01|0x02|0x03] (mode) |
| * [+--> 0x04 L2 abcd... (cookie) |
| * +--> 0x01 0x01 [0x00|0xFF] (reloadHint) |
| * |
| */ |
| @Override |
| public int computeLength() |
| { |
| // The mode length |
| syncRequestValueLength = 1 + 1 + 1; |
| |
| // The cookie length, if we have a cookie |
| if ( getCookie() != null ) |
| { |
| syncRequestValueLength += 1 + TLV.getNbBytes( getCookie().length ) + getCookie().length; |
| } |
| |
| // The reloadHint length, default to false |
| if ( isReloadHint() ) |
| { |
| syncRequestValueLength += 1 + 1 + 1; |
| } |
| |
| valueLength = 1 + TLV.getNbBytes( syncRequestValueLength ) + syncRequestValueLength; |
| |
| // Call the super class to compute the global control length |
| return valueLength; |
| } |
| |
| |
| /** |
| * Encode the SyncRequestValue control |
| * |
| * @param buffer The encoded sink |
| * @return A ByteBuffer that contains the encoded PDU |
| * @throws EncoderException If anything goes wrong. |
| */ |
| @Override |
| public ByteBuffer encode( ByteBuffer buffer ) throws EncoderException |
| { |
| if ( buffer == null ) |
| { |
| throw new EncoderException( I18n.err( I18n.ERR_04023 ) ); |
| } |
| |
| // Encode the SEQ |
| buffer.put( UniversalTag.SEQUENCE.getValue() ); |
| buffer.put( TLV.getBytes( syncRequestValueLength ) ); |
| |
| // The mode |
| buffer.put( UniversalTag.ENUMERATED.getValue() ); |
| buffer.put( ( byte ) 0x01 ); |
| buffer.put( BerValue.getBytes( getMode().getValue() ) ); |
| |
| // The cookie |
| if ( getCookie() != null ) |
| { |
| BerValue.encode( buffer, getCookie() ); |
| } |
| |
| // The reloadHint if not false |
| if ( isReloadHint() ) |
| { |
| BerValue.encode( buffer, isReloadHint() ); |
| } |
| |
| return buffer; |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public byte[] getValue() |
| { |
| if ( value == null ) |
| { |
| try |
| { |
| computeLength(); |
| ByteBuffer buffer = ByteBuffer.allocate( valueLength ); |
| |
| // Encode the SEQ |
| buffer.put( UniversalTag.SEQUENCE.getValue() ); |
| buffer.put( TLV.getBytes( syncRequestValueLength ) ); |
| |
| // The mode |
| buffer.put( UniversalTag.ENUMERATED.getValue() ); |
| buffer.put( ( byte ) 0x01 ); |
| buffer.put( BerValue.getBytes( getMode().getValue() ) ); |
| |
| // The cookie |
| if ( getCookie() != null ) |
| { |
| BerValue.encode( buffer, getCookie() ); |
| } |
| |
| // The reloadHint if not false |
| if ( isReloadHint() ) |
| { |
| BerValue.encode( buffer, isReloadHint() ); |
| } |
| |
| value = buffer.array(); |
| } |
| catch ( Exception e ) |
| { |
| return null; |
| } |
| } |
| |
| return value; |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public Asn1Object decode( byte[] controlBytes ) throws DecoderException |
| { |
| ByteBuffer bb = ByteBuffer.wrap( controlBytes ); |
| SyncRequestValueContainer container = new SyncRequestValueContainer( this ); |
| decoder.decode( bb, container ); |
| return this; |
| } |
| } |