144 lines
4.0 KiB
C#
144 lines
4.0 KiB
C#
//
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// System.Messaging
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//
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// Authors:
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// Peter Van Isacker (sclytrack@planetinternet.be)
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// Rafael Teixeira (rafaelteixeirabr@hotmail.com)
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//
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// (C) 2003 Peter Van Isacker
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//
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System;
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using System.Collections;
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using System.ComponentModel;
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using System.IO;
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using System.Xml.Serialization;
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namespace System.Messaging
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{
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public class XmlMessageFormatter: IMessageFormatter, ICloneable
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{
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private ArrayList targetTypes = new ArrayList ();
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public XmlMessageFormatter()
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{
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}
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public XmlMessageFormatter(string[] targetTypeNames) : this (GetTypesFromNames (targetTypeNames))
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{
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}
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public XmlMessageFormatter(Type[] targetTypes)
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{
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this.targetTypes = new ArrayList (targetTypes);
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}
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private static Type[] GetTypesFromNames(string[] targetTypeNames)
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{
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Type[] ts = new Type[targetTypeNames.Length];
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for (int i = 0; i < targetTypeNames.Length; i++)
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ts[i] = Type.GetType (targetTypeNames[i]);
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return ts;
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}
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[MessagingDescription ("XmlMsgTargetTypeNames")]
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public string[] TargetTypeNames
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{
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get
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{
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if (targetTypes == null)
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return null;
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ArrayList listOfNames = new ArrayList (targetTypes.Count);
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foreach (Type type in targetTypes)
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listOfNames.Add (type.FullName);
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return (string[]) listOfNames.ToArray (typeof (string));
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}
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set { TargetTypes = GetTypesFromNames (value); }
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}
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[Browsable (false)]
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[DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
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[MessagingDescription ("XmlMsgTargetTypes")]
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public Type[] TargetTypes
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{
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get { return (Type[]) targetTypes.ToArray (typeof (Type)); }
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set { targetTypes = new ArrayList (value); }
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}
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[MonoTODO]
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public bool CanRead(Message message)
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{
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// Need an implementation of XmlNodeReader.
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throw new NotImplementedException();
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}
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public object Clone()
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{
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return new XmlMessageFormatter((Type[])TargetTypes.Clone());
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}
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private void AddType (Type t)
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{
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targetTypes.Add (t);
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}
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public object Read(Message message)
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{
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message.BodyStream.Seek (0, SeekOrigin.Begin);
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foreach (Type t in targetTypes) {
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XmlSerializer serializer = new XmlSerializer (t);
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try {
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return serializer.Deserialize (message.BodyStream);
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} catch (InvalidOperationException e) {
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Console.WriteLine (e);
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}
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}
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string error = "Unable to deserialize message body. Type is not one of: "
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+ String.Join (",", TargetTypeNames);
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throw new InvalidOperationException (error);
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}
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public void Write(Message message, object obj)
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{
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if (message == null)
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throw new ArgumentNullException ();
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Stream stream = message.BodyStream;
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if (stream == null) {
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stream = new MemoryStream ();
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message.BodyStream = stream;
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}
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XmlSerializer serializer = new XmlSerializer (obj.GetType ());
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serializer.Serialize (stream, obj);
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message.BodyType = (int) FormatterTypes.Xml;
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AddType (obj.GetType ());
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}
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}
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}
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