namespace Nwc.XmlRpc { using System; using System.Collections; using System.IO; using System.Xml; /// <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) { StringWriter strBuf = new StringWriter(); XmlTextWriter xml = new XmlTextWriter(strBuf); xml.Formatting = Formatting.Indented; xml.Indentation = 4; Serialize(xml, obj); xml.Flush(); String returns = strBuf.ToString(); 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(); } } } }