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.info;
  
  
  import java.util.ArrayList;
  import java.util.List;
  
  import jcifs.Configuration;
  import jcifs.internal.SMBProtocolDecodingException;
  import jcifs.internal.fscc.FileBothDirectoryInfo;
  import jcifs.internal.smb2.ServerMessageBlock2Response;
  import jcifs.internal.smb2.Smb2Constants;
  import jcifs.internal.util.SMBUtil;
  import jcifs.smb.FileEntry;
  
  
  /**
   * @author mbechler
   *
   */
  public class Smb2QueryDirectoryResponse extends ServerMessageBlock2Response {
  
      /**
       * 
       */
      public static final int OVERHEAD = Smb2Constants.SMB2_HEADER_LENGTH + 8;
  
      private final byte expectInfoClass;
      private FileEntry[] results;
  
  
      /**
       * @param config
       * @param expectInfoClass
       */
      public Smb2QueryDirectoryResponse ( Configuration config, byte expectInfoClass ) {
          super(config);
          this.expectInfoClass = expectInfoClass;
      }
  
  
      /**
       * @return the fileInformation
       */
      public FileEntry[] getResults () {
          return this.results;
      }
  
  
      /**
       * {@inheritDoc}
       *
       * @see jcifs.internal.smb2.ServerMessageBlock2#writeBytesWireFormat(byte[], int)
       */
      @Override
      protected int writeBytesWireFormat ( byte[] dst, int dstIndex ) {
          return 0;
      }
  
  
      /**
       * {@inheritDoc}
       *
       * @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 bufferLength = SMBUtil.readInt4(buffer, bufferIndex);
          bufferIndex += 4;
  
          // bufferIndex = bufferOffset;
  
          List<FileEntry> infos = new ArrayList<>();
          do {
              FileBothDirectoryInfo cur = createFileInfo();
              if ( cur == null ) {
                  break;
              }
              cur.decode(buffer, bufferIndex, bufferLength);
              infos.add(cur);
              int nextEntryOffset = cur.getNextEntryOffset();
              if ( nextEntryOffset > 0 ) {
                  bufferIndex += nextEntryOffset;
              }
              else {
                  break;
              }
          }
          while ( bufferIndex < bufferOffset + bufferLength );
          this.results = infos.toArray(new FileEntry[infos.size()]);
          return bufferIndex - start;
      }
  
  
      private FileBothDirectoryInfo createFileInfo () {
          if ( this.expectInfoClass == Smb2QueryDirectoryRequest.FILE_BOTH_DIRECTORY_INFO ) {
              return new FileBothDirectoryInfo(getConfig(), true);
          }
          return null;
      }
  
  }
  