203 lines
9.9 KiB
C#
203 lines
9.9 KiB
C#
/*
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* Copyright (c) Contributors, http://opensimulator.org/
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* See CONTRIBUTORS.TXT for a full list of copyright holders.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the OpenSimulator Project nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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using System;
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using System.Collections;
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using System.IO;
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using System.Reflection;
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using System.Xml;
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using OpenMetaverse;
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namespace OpenSim.Framework.Capabilities
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{
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public class LLSDHelpers
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{
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// private static readonly log4net.ILog m_log
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// = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
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public static string SerialiseLLSDReply(object obj)
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{
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StringWriter sw = new StringWriter();
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XmlTextWriter writer = new XmlTextWriter(sw);
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writer.Formatting = Formatting.None;
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writer.WriteStartElement(String.Empty, "llsd", String.Empty);
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SerializeOSDType(writer, obj);
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writer.WriteEndElement();
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writer.Close();
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//m_log.DebugFormat("[LLSD Helpers]: Generated serialized LLSD reply {0}", sw.ToString());
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return sw.ToString();
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}
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public static string SerialiseLLSDReplyNoHeader(object obj)
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{
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StringWriter sw = new StringWriter();
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XmlTextWriter writer = new XmlTextWriter(sw);
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writer.Formatting = Formatting.None;
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SerializeOSDType(writer, obj);
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writer.Close();
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//m_log.DebugFormat("[LLSD Helpers]: Generated serialized LLSD reply {0}", sw.ToString());
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return sw.ToString();
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}
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private static void SerializeOSDType(XmlTextWriter writer, object obj)
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{
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Type myType = obj.GetType();
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LLSDType[] llsdattributes = (LLSDType[]) myType.GetCustomAttributes(typeof (LLSDType), false);
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if (llsdattributes.Length > 0)
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{
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switch (llsdattributes[0].ObjectType)
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{
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case "MAP":
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writer.WriteStartElement(String.Empty, "map", String.Empty);
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FieldInfo[] fields = myType.GetFields();
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for (int i = 0; i < fields.Length; i++)
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{
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if (fields[i] != null && fields[i].GetValue(obj) != null)
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{
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object fieldValue = fields[i].GetValue(obj);
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LLSDType[] fieldAttributes =
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(LLSDType[]) fieldValue.GetType().GetCustomAttributes(typeof (LLSDType), false);
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if (fieldAttributes.Length > 0)
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{
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writer.WriteStartElement(String.Empty, "key", String.Empty);
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string fieldName = fields[i].Name;
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fieldName = fieldName.Replace("___", "-");
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writer.WriteString(fieldName);
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writer.WriteEndElement();
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SerializeOSDType(writer, fieldValue);
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}
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else
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{
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writer.WriteStartElement(String.Empty, "key", String.Empty);
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string fieldName = fields[i].Name;
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fieldName = fieldName.Replace("___", "-");
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writer.WriteString(fieldName);
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writer.WriteEndElement();
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LLSD.LLSDWriteOne(writer, fieldValue);
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// OpenMetaverse.StructuredData.LLSDParser.SerializeXmlElement(
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// writer, OpenMetaverse.StructuredData.OSD.FromObject(fieldValue));
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}
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}
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else
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{
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// TODO from ADAM: There is a nullref being caused by fields[i] being null
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// on some computers. Unsure what is causing this, but would appreciate
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// if sdague could take a look at this.
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}
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}
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writer.WriteEndElement();
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break;
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case "ARRAY":
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// OSDArray arrayObject = obj as OSDArray;
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// ArrayList a = arrayObject.Array;
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ArrayList a = (ArrayList) obj.GetType().GetField("Array").GetValue(obj);
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if (a != null)
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{
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writer.WriteStartElement(String.Empty, "array", String.Empty);
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foreach (object item in a)
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{
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SerializeOSDType(writer, item);
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}
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writer.WriteEndElement();
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}
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break;
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}
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}
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else
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{
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LLSD.LLSDWriteOne(writer, obj);
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//OpenMetaverse.StructuredData.LLSDParser.SerializeXmlElement(
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// writer, OpenMetaverse.StructuredData.OSD.FromObject(obj));
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}
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}
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public static object DeserialiseOSDMap(Hashtable llsd, object obj)
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{
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Type myType = obj.GetType();
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LLSDType[] llsdattributes = (LLSDType[]) myType.GetCustomAttributes(typeof (LLSDType), false);
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if (llsdattributes.Length > 0)
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{
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switch (llsdattributes[0].ObjectType)
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{
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case "MAP":
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IDictionaryEnumerator enumerator = llsd.GetEnumerator();
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while (enumerator.MoveNext())
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{
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string keyName = (string)enumerator.Key;
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keyName = keyName.Replace("-","_");
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FieldInfo field = myType.GetField(keyName);
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if (field != null)
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{
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// if (enumerator.Value is OpenMetaverse.StructuredData.OSDMap)
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if (enumerator.Value is Hashtable)
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{
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object fieldValue = field.GetValue(obj);
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DeserialiseOSDMap((Hashtable) enumerator.Value, fieldValue);
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// DeserialiseOSDMap((OpenMetaverse.StructuredData.OSDMap) enumerator.Value, fieldValue);
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}
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else if (enumerator.Value is ArrayList)
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{
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object fieldValue = field.GetValue(obj);
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fieldValue.GetType().GetField("Array").SetValue(fieldValue, enumerator.Value);
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//TODO
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// the LLSD map/array types in the array need to be deserialised
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// but first we need to know the right class to deserialise them into.
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}
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else if(enumerator.Value is Boolean && field.FieldType == typeof(int) )
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{
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int i = (bool)enumerator.Value ? 1 : 0;
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field.SetValue(obj, i);
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}
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else if(field.FieldType == typeof(bool) && enumerator.Value is int)
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{
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bool b = (int)enumerator.Value != 0;
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field.SetValue(obj, b);
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}
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else if(field.FieldType == typeof(UUID) && enumerator.Value is string)
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{
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UUID u;
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UUID.TryParse((string)enumerator.Value, out u);
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field.SetValue(obj, u);
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}
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else
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{
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field.SetValue(obj, enumerator.Value);
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}
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}
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}
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break;
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}
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}
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return obj;
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}
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}
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}
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