class/System.XML/System.Xml/XmlException.cs

   1 //
   2 // XmlException.cs
   3 //
   4 // Author:
   5 //   Jason Diamond (jason@injektilo.org)
   6 //   Atsushi Enomoto (atsushi@ximian.com)
   7 //
   8 // (C) 2002 Jason Diamond  http://injektilo.org/
   9 // Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
  10 //
  11 // Permission is hereby granted, free of charge, to any person obtaining
  12 // a copy of this software and associated documentation files (the
  13 // "Software"), to deal in the Software without restriction, including
  14 // without limitation the rights to use, copy, modify, merge, publish,
  15 // distribute, sublicense, and/or sell copies of the Software, and to
  16 // permit persons to whom the Software is furnished to do so, subject to
  17 // the following conditions:
  18 //
  19 // The above copyright notice and this permission notice shall be
  20 // included in all copies or substantial portions of the Software.
  21 //
  22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  29 //
  30
  31 using System.Globalization;
  32 using System.Runtime.Serialization;
  33 using System.Security.Permissions;
  34
  35 namespace System.Xml
  36 {
  37         [Serializable]
  38         public class XmlException : SystemException
  39         {
  40                 #region Fields
  41
  42                 int lineNumber;
  43                 int linePosition;
  44                 string sourceUri;
  45                 string res;
  46                 string [] messages;
  47
  48                 #endregion
  49
  50                 #region consts
  51
  52                 private const string Xml_DefaultException = "Xml_DefaultException";
  53                 private  const string Xml_UserException = "Xml_UserException";
  54
  55                 #endregion
  56
  57                 #region Constructors
  58
  59                 public XmlException ()
  60                         : base ()
  61                 {
  62                         this.res = Xml_DefaultException;
  63                         this.messages = new string [1];
  64                 }
  65
  66                 public XmlException (string message, Exception innerException)
  67                         : base (message, innerException)
  68                 {
  69                         this.res = Xml_UserException;
  70                         this.messages = new string [] {message};
  71                 }
  72
  73                 protected XmlException (SerializationInfo info, StreamingContext context)
  74                         : base (info, context)
  75                 {
  76                         this.lineNumber = info.GetInt32 ("lineNumber");
  77                         this.linePosition = info.GetInt32 ("linePosition");
  78                         this.res = info.GetString ("res");
  79                         this.messages = (string []) info.GetValue ("args", typeof(string []));
  80 #if NET_2_0
  81                         this.sourceUri = info.GetString ("sourceUri");
  82 #endif
  83                 }
  84
  85                 public XmlException (string message)
  86                         : base (message)
  87                 {
  88                         this.res = Xml_UserException;
  89                         this.messages = new string [] {message};
  90                 }
  91
  92                 internal XmlException (IXmlLineInfo li,
  93                         string sourceUri,
  94                         string message)
  95                         : this (li, null, sourceUri, message)
  96                 {
  97                 }
  98
  99                 internal XmlException (IXmlLineInfo li,
 100                         Exception innerException,
 101                         string sourceUri,
 102                         string message)
 103                         : this (message, innerException)
 104                 {
 105                         if (li != null) {
 106                                 this.lineNumber = li.LineNumber;
 107                                 this.linePosition = li.LinePosition;
 108                         }
 109                         this.sourceUri = sourceUri;
 110                 }
 111
 112                 public XmlException (string message, Exception innerException, int lineNumber, int linePosition)
 113                         : this (message, innerException)
 114                 {
 115                         this.lineNumber = lineNumber;
 116                         this.linePosition = linePosition;
 117                 }
 118
 119 #if NET_2_1
 120                 internal XmlException (string message, int lineNumber, int linePosition,
 121                         object sourceObject, string sourceUri, Exception innerException)
 122                         : base (
 123                                 GetMessage (message, sourceUri, lineNumber, linePosition, sourceObject),
 124                                 innerException)
 125                 {
 126                         //hasLineInfo = true;
 127                         this.lineNumber         = lineNumber;
 128                         this.linePosition       = linePosition;
 129                         //this.sourceObj                = sourceObject;
 130                         this.sourceUri          = sourceUri;
 131                 }
 132
 133                 private static string GetMessage (string message, string sourceUri, int lineNumber, int linePosition, object sourceObj)
 134                 {
 135                         string msg = "XmlSchema error: " + message;
 136                         if (lineNumber > 0)
 137                                 msg += String.Format (CultureInfo.InvariantCulture, " XML {0} Line {1}, Position {2}.",
 138                                         (sourceUri != null && sourceUri != "") ? "URI: " + sourceUri + " ." : "",
 139                                         lineNumber,
 140                                         linePosition);
 141                         return msg;
 142                 }
 143 #endif
 144
 145                 #endregion
 146
 147                 #region Properties
 148
 149                 public int LineNumber {
 150                         get { return lineNumber; }
 151                 }
 152
 153                 public int LinePosition {
 154                         get { return linePosition; }
 155                 }
 156
 157 #if NET_2_0
 158                 public string SourceUri {
 159                         get { return sourceUri; }
 160                 }
 161 #endif
 162
 163                 public override string Message {
 164                         get {
 165                                 if (lineNumber == 0)
 166                                         return base.Message;
 167
 168                                 return String.Format (CultureInfo.InvariantCulture, "{0} {3} Line {1}, position {2}.",
 169                                                       base.Message, lineNumber, linePosition, sourceUri);
 170                         }
 171                 }
 172
 173                 #endregion
 174
 175                 #region Methods
 176
 177                 [SecurityPermission (SecurityAction.Demand, SerializationFormatter = true)]
 178                 public override void GetObjectData (SerializationInfo info, StreamingContext context)
 179                 {
 180                         base.GetObjectData (info, context);
 181                         info.AddValue ("lineNumber", lineNumber);
 182                         info.AddValue ("linePosition", linePosition);
 183                         info.AddValue ("res", res);
 184                         info.AddValue ("args", messages);
 185 #if NET_2_0
 186                         info.AddValue ("sourceUri", sourceUri);
 187 #endif
 188                 }
 189
 190                 #endregion
 191         }
 192 }