source/ch/cyberduck/core/ftp/FTPExceptionMappingService.java

   1 package ch.cyberduck.core.ftp;
   2
   3 /*
   4  * Copyright (c) 2002-2013 David Kocher. All rights reserved.
   5  * http://cyberduck.ch/
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * Bug fixes, suggestions and comments should be sent to feedback@cyberduck.ch
  18  */
  19
  20 import ch.cyberduck.core.AbstractExceptionMappingService;
  21 import ch.cyberduck.core.DefaultIOExceptionMappingService;
  22 import ch.cyberduck.core.exception.AccessDeniedException;
  23 import ch.cyberduck.core.exception.BackgroundException;
  24 import ch.cyberduck.core.exception.ConnectionRefusedException;
  25 import ch.cyberduck.core.exception.InteroperabilityException;
  26 import ch.cyberduck.core.exception.LoginFailureException;
  27 import ch.cyberduck.core.exception.NotfoundException;
  28 import ch.cyberduck.core.exception.QuotaException;
  29
  30 import org.apache.commons.net.MalformedServerReplyException;
  31 import org.apache.commons.net.ftp.FTPConnectionClosedException;
  32 import org.apache.commons.net.ftp.FTPReply;
  33
  34 import java.io.IOException;
  35
  36 /**
  37  * @version $Id$
  38  */
  39 public class FTPExceptionMappingService extends AbstractExceptionMappingService<IOException> {
  40
  41     @Override
  42     public BackgroundException map(final IOException e) {
  43         final StringBuilder buffer = new StringBuilder();
  44         this.append(buffer, e.getMessage());
  45         if(e instanceof FTPConnectionClosedException) {
  46             return new ConnectionRefusedException(buffer.toString(), e);
  47         }
  48         if(e instanceof FTPException) {
  49             return this.handle((FTPException) e, buffer);
  50         }
  51         if(e instanceof MalformedServerReplyException) {
  52             return new InteroperabilityException(buffer.toString(), e);
  53         }
  54         return new DefaultIOExceptionMappingService().map(e);
  55     }
  56
  57     private BackgroundException handle(final FTPException e, final StringBuilder buffer) {
  58         final int status = e.getCode();
  59         switch(status) {
  60             case FTPReply.INSUFFICIENT_STORAGE:
  61             case FTPReply.STORAGE_ALLOCATION_EXCEEDED:
  62                 return new QuotaException(buffer.toString(), e);
  63             case FTPReply.NOT_LOGGED_IN:
  64                 return new LoginFailureException(buffer.toString(), e);
  65             case FTPReply.FAILED_SECURITY_CHECK:
  66             case FTPReply.DENIED_FOR_POLICY_REASONS:
  67             case FTPReply.NEED_ACCOUNT:
  68             case FTPReply.NEED_ACCOUNT_FOR_STORING_FILES:
  69             case FTPReply.FILE_NAME_NOT_ALLOWED:
  70                 return new AccessDeniedException(buffer.toString(), e);
  71             case FTPReply.UNAVAILABLE_RESOURCE:
  72             case FTPReply.FILE_UNAVAILABLE:
  73                 // Requested action not taken. File unavailable (e.g., file not found, no access)
  74                 return new NotfoundException(buffer.toString(), e);
  75         }
  76         return new InteroperabilityException(buffer.toString(), e);
  77     }
  78 }