content: /*
   * © 2017 AgNO3 Gmbh & Co. KG
   * 
   * This library is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Lesser General Public
   * License as published by the Free Software Foundation; either
   * version 2.1 of the License, or (at your option) any later version.
   * 
   * This library is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * Lesser General Public License for more details.
   * 
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   */
  package jcifs.internal.smb2.notify;
  
  
  import java.util.ArrayList;
  import java.util.List;
  
  import jcifs.Configuration;
  import jcifs.FileNotifyInformation;
  import jcifs.internal.NotifyResponse;
  import jcifs.internal.SMBProtocolDecodingException;
  import jcifs.internal.smb1.trans.nt.FileNotifyInformationImpl;
  import jcifs.internal.smb2.ServerMessageBlock2Response;
  import jcifs.internal.util.SMBUtil;
  import jcifs.smb.NtStatus;
  
  
  /**
   * @author mbechler
   *
   */
  public class Smb2ChangeNotifyResponse extends ServerMessageBlock2Response implements NotifyResponse {
  
      private List<FileNotifyInformation> notifyInformation = new ArrayList<>();
  
  
      /**
       * @param config
       */
      public Smb2ChangeNotifyResponse ( Configuration config ) {
          super(config);
      }
  
  
      /**
       * {@inheritDoc}
       *
       * @see jcifs.internal.smb2.ServerMessageBlock2#writeBytesWireFormat(byte[], int)
       */
      @Override
      protected int writeBytesWireFormat ( byte[] dst, int dstIndex ) {
          return 0;
      }
  
  
      /**
       * {@inheritDoc}
       * 
       * @throws SMBProtocolDecodingException
       *
       * @see jcifs.internal.smb2.ServerMessageBlock2#readBytesWireFormat(byte[], int)
       */
      @Override
      protected int readBytesWireFormat ( byte[] buffer, int bufferIndex ) throws SMBProtocolDecodingException {
          int start = bufferIndex;
  
          int structureSize = SMBUtil.readInt2(buffer, bufferIndex);
          if ( structureSize != 9 ) {
              throw new SMBProtocolDecodingException("Expected structureSize = 9");
          }
  
          int bufferOffset = SMBUtil.readInt2(buffer, bufferIndex + 2) + getHeaderStart();
          bufferIndex += 4;
          int len = SMBUtil.readInt4(buffer, bufferIndex);
          bufferIndex += 4;
  
          int elemStart = bufferOffset;
          FileNotifyInformationImpl i = new FileNotifyInformationImpl();
          bufferIndex += i.decode(buffer, bufferOffset, len);
          this.notifyInformation.add(i);
  
          while ( i.getNextEntryOffset() > 0 && bufferIndex < bufferOffset + len ) {
              bufferIndex = elemStart + i.getNextEntryOffset();
              elemStart = bufferIndex;
  
              i = new FileNotifyInformationImpl();
              bufferIndex += i.decode(buffer, bufferIndex, len);
              this.notifyInformation.add(i);
          }
  
          return bufferIndex - start;
      }
  
  
      /**
       * {@inheritDoc}
       *
       * @see jcifs.internal.NotifyResponse#getNotifyInformation()
       */
      @Override
      public List<FileNotifyInformation> getNotifyInformation () {
          return this.notifyInformation;
      }
  
      /**
       * {@inheritDoc}
       *
       * @see jcifs.internal.smb2.ServerMessageBlock2#isErrorResponseStatus()
       */
      @Override
      protected boolean isErrorResponseStatus () {
          return getStatus() != NtStatus.NT_STATUS_NOTIFY_ENUM_DIR && super.isErrorResponseStatus();
      }
  
  
  }
  