src/com/owncloud/android/operations/RemoteOperationResult.java

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2012 Bartek Przybylski
   3  *
   4  *   This program is free software: you can redistribute it and/or modify
   5  *   it under the terms of the GNU General Public License as published by
   6  *   the Free Software Foundation, either version 3 of the License, or
   7  *   (at your option) any later version.
   8  *
   9  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *   GNU General Public License for more details.
  13  *
  14  *   You should have received a copy of the GNU General Public License
  15  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  *
  17  */
  18
  19 package com.owncloud.android.operations;
  20
  21 import java.io.IOException;
  22 import java.io.Serializable;
  23 import java.net.MalformedURLException;
  24 import java.net.SocketException;
  25 import java.net.SocketTimeoutException;
  26 import java.net.UnknownHostException;
  27
  28 import javax.net.ssl.SSLException;
  29
  30 import org.apache.commons.httpclient.ConnectTimeoutException;
  31 import org.apache.commons.httpclient.HttpException;
  32 import org.apache.commons.httpclient.HttpStatus;
  33 import org.apache.jackrabbit.webdav.DavException;
  34
  35 import com.owncloud.android.network.CertificateCombinedException;
  36
  37
  38 /**
  39  * The result of a remote operation required to an ownCloud server.
  40  *
  41  * Provides a common classification of remote operation results for all the application.
  42  *
  43  * @author David A. Velasco
  44  */
  45 public class RemoteOperationResult implements Serializable {
  46
  47     /** Generated - to refresh every time the class changes */
  48     private static final long serialVersionUID = -7805531062432602444L;
  49
  50
  51     public enum ResultCode {
  52         OK,
  53         OK_SSL,
  54         OK_NO_SSL,
  55         UNHANDLED_HTTP_CODE,
  56         UNAUTHORIZED,
  57         FILE_NOT_FOUND,
  58         INSTANCE_NOT_CONFIGURED,
  59         UNKNOWN_ERROR,
  60         WRONG_CONNECTION,
  61         TIMEOUT,
  62         INCORRECT_ADDRESS,
  63         HOST_NOT_AVAILABLE,
  64         NO_NETWORK_CONNECTION,
  65         SSL_ERROR,
  66         SSL_RECOVERABLE_PEER_UNVERIFIED,
  67         BAD_OC_VERSION,
  68         STORAGE_ERROR_MOVING_FROM_TMP,
  69         CANCELLED,
  70         INVALID_LOCAL_FILE_NAME,
  71         INVALID_OVERWRITE,
  72         CONFLICT
  73     }
  74
  75     private boolean mSuccess = false;
  76     private int mHttpCode = -1;
  77     private Exception mException = null;
  78     private ResultCode mCode = ResultCode.UNKNOWN_ERROR;
  79     private Object mExtraData = null;
  80
  81     public RemoteOperationResult(ResultCode code) {
  82         mCode = code;
  83         mSuccess = (code == ResultCode.OK || code == ResultCode.OK_SSL || code == ResultCode.OK_NO_SSL);
  84     }
  85
  86     public RemoteOperationResult(boolean success, int httpCode) {
  87         mSuccess = success;
  88         mHttpCode = httpCode;
  89
  90         if (success) {
  91             mCode = ResultCode.OK;
  92
  93         } else if (httpCode > 0) {
  94             switch (httpCode) {
  95                 case HttpStatus.SC_UNAUTHORIZED:
  96                     mCode = ResultCode.UNAUTHORIZED;
  97                     break;
  98                 case HttpStatus.SC_NOT_FOUND:
  99                     mCode = ResultCode.FILE_NOT_FOUND;
 100                     break;
 101                 case HttpStatus.SC_INTERNAL_SERVER_ERROR:
 102                     mCode = ResultCode.INSTANCE_NOT_CONFIGURED;
 103                     break;
 104                 case HttpStatus.SC_CONFLICT:
 105                     mCode = ResultCode.CONFLICT;
 106                     break;
 107                 default:
 108                     mCode = ResultCode.UNHANDLED_HTTP_CODE;
 109             }
 110         }
 111     }
 112
 113     public RemoteOperationResult(Exception e) {
 114         mException = e;
 115
 116         if (e instanceof OperationCancelledException) {
 117             mCode = ResultCode.CANCELLED;
 118
 119         } else if (e instanceof SocketException) {
 120             mCode = ResultCode.WRONG_CONNECTION;
 121
 122         } else if (e instanceof SocketTimeoutException) {
 123             mCode = ResultCode.TIMEOUT;
 124
 125         } else if (e instanceof ConnectTimeoutException) {
 126             mCode = ResultCode.TIMEOUT;
 127
 128         } else if (e instanceof MalformedURLException) {
 129             mCode = ResultCode.INCORRECT_ADDRESS;
 130
 131         } else if (e instanceof UnknownHostException) {
 132             mCode = ResultCode.HOST_NOT_AVAILABLE;
 133
 134         } else if (e instanceof SSLException || e instanceof RuntimeException) {
 135             CertificateCombinedException se = getCertificateCombinedException(e);
 136             if (se != null) {
 137                 mException = se;
 138                 if (se.isRecoverable()) {
 139                     mCode = ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED;
 140                 }
 141
 142             } else {
 143                 mCode = ResultCode.SSL_ERROR;
 144             }
 145
 146         } else {
 147             mCode = ResultCode.UNKNOWN_ERROR;
 148         }
 149
 150     }
 151
 152
 153     public boolean isSuccess() {
 154         return mSuccess;
 155     }
 156
 157     public boolean isCancelled() {
 158         return mCode == ResultCode.CANCELLED;
 159     }
 160
 161     public int getHttpCode() {
 162         return mHttpCode;
 163     }
 164
 165     public ResultCode getCode() {
 166         return mCode;
 167     }
 168
 169     public Exception getException() {
 170         return mException;
 171     }
 172
 173     public boolean isSslRecoverableException() {
 174         return mCode == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED;
 175     }
 176
 177     public void setExtraData(Object data) {
 178         mExtraData = data;
 179     }
 180
 181     public Object getExtraData() {
 182         return mExtraData;
 183     }
 184
 185     private CertificateCombinedException getCertificateCombinedException(Exception e) {
 186         CertificateCombinedException result = null;
 187         if (e instanceof CertificateCombinedException) {
 188             return (CertificateCombinedException)e;
 189         }
 190         Throwable cause = mException.getCause();
 191         Throwable previousCause = null;
 192         while (cause != null && cause != previousCause && !(cause instanceof CertificateCombinedException)) {
 193             previousCause = cause;
 194             cause = cause.getCause();
 195         }
 196         if (cause != null && cause instanceof CertificateCombinedException) {
 197             result = (CertificateCombinedException)cause;
 198         }
 199         return result;
 200     }
 201
 202
 203     public String getLogMessage() {
 204
 205         if (mException != null) {
 206             if (mException instanceof OperationCancelledException) {
 207                 return "Operation cancelled by the caller";
 208
 209             } else if (mException instanceof SocketException) {
 210                 return "Socket exception";
 211
 212             } else if (mException instanceof SocketTimeoutException) {
 213                 return "Socket timeout exception";
 214
 215             } else if (mException instanceof ConnectTimeoutException) {
 216                 return "Connect timeout exception";
 217
 218             } else if (mException instanceof MalformedURLException) {
 219                 return "Malformed URL exception";
 220
 221             } else if (mException instanceof UnknownHostException) {
 222                 return "Unknown host exception";
 223
 224             } else if (mException instanceof CertificateCombinedException) {
 225                 if (((CertificateCombinedException) mException).isRecoverable())
 226                     return "SSL recoverable exception";
 227                 else
 228                     return "SSL exception";
 229
 230             } else if (mException instanceof SSLException) {
 231                 return "SSL exception";
 232
 233             } else if (mException instanceof DavException) {
 234                 return "Unexpected WebDAV exception";
 235
 236             } else if (mException instanceof HttpException) {
 237                 return "HTTP violation";
 238
 239             } else if (mException instanceof IOException) {
 240                 return "Unrecovered transport exception";
 241
 242             } else {
 243                 return "Unexpected exception";
 244             }
 245         }
 246
 247         if (mCode == ResultCode.INSTANCE_NOT_CONFIGURED) {
 248             return "The ownCloud server is not configured!";
 249
 250         } else if (mCode == ResultCode.NO_NETWORK_CONNECTION) {
 251             return "No network connection";
 252
 253         } else if (mCode == ResultCode.BAD_OC_VERSION) {
 254             return "No valid ownCloud version was found at the server";
 255
 256         } else if (mCode == ResultCode.STORAGE_ERROR_MOVING_FROM_TMP) {
 257             return "Error while moving file from temporal to final directory";
 258         }
 259
 260         return "Operation finished with HTTP status code " + mHttpCode + " (" + (isSuccess()?"success":"fail") + ")";
 261
 262     }
 263
 264 }