class/System.XML/System.Xml.Schema/XmlSchemaException.cs

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