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/*
* Copyright (c) Contributors, http://www.openmetaverse.org/
* See CONTRIBUTORS.TXT for a full list of copyright holders.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the OpenSim Project nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
namespace Nwc.XmlRpc
{
using System;
using System.Collections;
using System.IO;
using System.Xml;
using System.Text;
/// <summary>Base class of classes serializing data to XML-RPC's XML format.</summary>
/// <remarks>This class handles the basic type conversions like Integer to <i4>. </remarks>
/// <seealso cref="XmlRpcXmlTokens"/>
public class XmlRpcSerializer : XmlRpcXmlTokens
{
/// <summary>Serialize the <c>XmlRpcRequest</c> to the output stream.</summary>
/// <param name="output">An <c>XmlTextWriter</c> stream to write data to.</param>
/// <param name="obj">An <c>Object</c> to serialize.</param>
/// <seealso cref="XmlRpcRequest"/>
virtual public void Serialize(XmlTextWriter output, Object obj)
{
}
/// <summary>Serialize the <c>XmlRpcRequest</c> to a String.</summary>
/// <remarks>Note this may represent a real memory hog for a large request.</remarks>
/// <param name="obj">An <c>Object</c> to serialize.</param>
/// <returns><c>String</c> containing XML-RPC representation of the request.</returns>
/// <seealso cref="XmlRpcRequest"/>
public String Serialize(Object obj)
{
using (MemoryStream memStream = new MemoryStream(4096))
{
XmlTextWriter xml = new XmlTextWriter(memStream, Encoding.UTF8);
xml.Formatting = Formatting.Indented;
xml.Indentation = 4;
Serialize(xml, obj);
xml.Flush();
byte[] resultBytes = memStream.ToArray();
UTF8Encoding encoder = new UTF8Encoding();
String returns = encoder.GetString( resultBytes, 0, resultBytes.Length );
xml.Close();
return returns;
}
}
/// <remarks>Serialize the object to the output stream.</remarks>
/// <param name="output">An <c>XmlTextWriter</c> stream to write data to.</param>
/// <param name="obj">An <c>Object</c> to serialize.</param>
public void SerializeObject(XmlTextWriter output, Object obj)
{
if (obj == null)
return;
if (obj is byte[])
{
byte[] ba = (byte[])obj;
output.WriteStartElement(BASE64);
output.WriteBase64(ba, 0, ba.Length);
output.WriteEndElement();
}
else if (obj is String)
{
output.WriteElementString(STRING, obj.ToString());
}
else if (obj is Int32)
{
output.WriteElementString(INT, obj.ToString());
}
else if (obj is DateTime)
{
output.WriteElementString(DATETIME, ((DateTime)obj).ToString(ISO_DATETIME));
}
else if (obj is Double)
{
output.WriteElementString(DOUBLE, obj.ToString());
}
else if (obj is Boolean)
{
output.WriteElementString(BOOLEAN, ((((Boolean)obj) == true) ? "1" : "0"));
}
else if (obj is IList)
{
output.WriteStartElement(ARRAY);
output.WriteStartElement(DATA);
if (((ArrayList)obj).Count > 0)
{
foreach (Object member in ((IList)obj))
{
output.WriteStartElement(VALUE);
SerializeObject(output, member);
output.WriteEndElement();
}
}
output.WriteEndElement();
output.WriteEndElement();
}
else if (obj is IDictionary)
{
IDictionary h = (IDictionary)obj;
output.WriteStartElement(STRUCT);
foreach (String key in h.Keys)
{
output.WriteStartElement(MEMBER);
output.WriteElementString(NAME, key);
output.WriteStartElement(VALUE);
SerializeObject(output, h[key]);
output.WriteEndElement();
output.WriteEndElement();
}
output.WriteEndElement();
}
}
}
}
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