content: /* jcifs smb client library in Java
   * Copyright (C) 2000  "Michael B. Allen" <jcifs at samba dot org>
   * 
   * 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.smb1.trans2;
  
  
  import jcifs.CIFSException;
  import jcifs.Configuration;
  import jcifs.internal.SMBProtocolDecodingException;
  import jcifs.internal.fscc.FileBasicInfo;
  import jcifs.internal.fscc.FileInformation;
  import jcifs.internal.fscc.FileInternalInfo;
  import jcifs.internal.fscc.FileStandardInfo;
  import jcifs.internal.smb1.trans.SmbComTransaction;
  import jcifs.internal.smb1.trans.SmbComTransactionResponse;
  
  
  /**
   * 
   */
  public class Trans2QueryPathInformationResponse extends SmbComTransactionResponse {
  
      private final int informationLevel;
      private FileInformation info;
  
  
      /**
       * 
       * @param config
       * @param informationLevel
       */
      public Trans2QueryPathInformationResponse ( Configuration config, int informationLevel ) {
          super(config);
          this.informationLevel = informationLevel;
          this.setSubCommand(SmbComTransaction.TRANS2_QUERY_PATH_INFORMATION);
      }
  
  
      /**
       * @return the info
       */
      public final FileInformation getInfo () {
          return this.info;
      }
  
  
      /**
       * 
       * @param type
       * @return the info
       * @throws CIFSException
       */
      @SuppressWarnings ( "unchecked" )
      public <T extends FileInformation> T getInfo ( Class<T> type ) throws CIFSException {
          if ( !type.isAssignableFrom(this.info.getClass()) ) {
              throw new CIFSException("Incompatible file information class");
          }
          return (T) this.info;
      }
  
  
      @Override
      protected int writeSetupWireFormat ( byte[] dst, int dstIndex ) {
          return 0;
      }
  
  
      @Override
      protected int writeParametersWireFormat ( byte[] dst, int dstIndex ) {
          return 0;
      }
  
  
      @Override
      protected int writeDataWireFormat ( byte[] dst, int dstIndex ) {
          return 0;
      }
  
  
      @Override
      protected int readSetupWireFormat ( byte[] buffer, int bufferIndex, int len ) {
          return 0;
      }
  
  
      @Override
      protected int readParametersWireFormat ( byte[] buffer, int bufferIndex, int len ) {
          // observed two zero bytes here with at least win98
          return 2;
      }
  
  
      @Override
      protected int readDataWireFormat ( byte[] buffer, int bufferIndex, int len ) throws SMBProtocolDecodingException {
          int start = bufferIndex;
          FileInformation inf = createFileInformation();
          if ( inf != null ) {
              bufferIndex += inf.decode(buffer, bufferIndex, getDataCount());
              this.info = inf;
          }
          return bufferIndex - start;
      }
  
  
      private FileInformation createFileInformation () {
          FileInformation inf;
          switch ( this.informationLevel ) {
          case FileInformation.FILE_BASIC_INFO:
              inf = new FileBasicInfo();
              break;
          case FileInformation.FILE_STANDARD_INFO:
              inf = new FileStandardInfo();
              break;
          case FileInformation.FILE_INTERNAL_INFO:
              inf = new FileInternalInfo();
              break;
          default:
              return null;
          }
          return inf;
      }
  
  
      @Override
      public String toString () {
          return new String("Trans2QueryPathInformationResponse[" + super.toString() + "]");
      }
  }
  