Renamed OpenSim.Framework.Capabilities.dll to OpenSim.Capabilities.dll

1 files changed, 172 insertions, 0 deletions

diff --git a/OpenSim/Capabilities/LLSDHelpers.cs b/OpenSim/Capabilities/LLSDHelpers.cs
new file mode 100644
index 0000000..8f1a40e
--- /dev/null
+++ b/OpenSim/Capabilities/LLSDHelpers.cs
@@ -0,0 +1,172 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.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 OpenSimulator 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.
+ */
+
+using System;
+using System.Collections;
+using System.IO;
+using System.Reflection;
+using System.Xml;
+
+namespace OpenSim.Framework.Capabilities
+{
+    public class LLSDHelpers
+    {
+//        private static readonly log4net.ILog m_log
+//            = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
+
+        public static string SerialiseLLSDReply(object obj)
+        {
+            StringWriter sw = new StringWriter();
+            XmlTextWriter writer = new XmlTextWriter(sw);
+            writer.Formatting = Formatting.None;
+            writer.WriteStartElement(String.Empty, "llsd", String.Empty);
+            SerializeOSDType(writer, obj);
+            writer.WriteEndElement();
+            writer.Close();
+
+            //m_log.DebugFormat("[LLSD Helpers]: Generated serialized LLSD reply {0}", sw.ToString());
+
+            return sw.ToString();
+        }
+
+        private static void SerializeOSDType(XmlTextWriter writer, object obj)
+        {
+            Type myType = obj.GetType();
+            LLSDType[] llsdattributes = (LLSDType[]) myType.GetCustomAttributes(typeof (LLSDType), false);
+            if (llsdattributes.Length > 0)
+            {
+                switch (llsdattributes[0].ObjectType)
+                {
+                    case "MAP":
+                        writer.WriteStartElement(String.Empty, "map", String.Empty);
+                        FieldInfo[] fields = myType.GetFields();
+                        for (int i = 0; i < fields.Length; i++)
+                        {
+                            if (fields[i] != null && fields[i].GetValue(obj) != null)
+                            {
+                                object fieldValue = fields[i].GetValue(obj);
+                                LLSDType[] fieldAttributes =
+                                    (LLSDType[]) fieldValue.GetType().GetCustomAttributes(typeof (LLSDType), false);
+                                if (fieldAttributes.Length > 0)
+                                {
+                                    writer.WriteStartElement(String.Empty, "key", String.Empty);
+                                    string fieldName = fields[i].Name;
+                                    fieldName = fieldName.Replace("___", "-");
+                                    writer.WriteString(fieldName);
+                                    writer.WriteEndElement();
+                                    SerializeOSDType(writer, fieldValue);
+                                }
+                                else
+                                {
+                                    writer.WriteStartElement(String.Empty, "key", String.Empty);
+                                    string fieldName = fields[i].Name;
+                                    fieldName = fieldName.Replace("___", "-");
+                                    writer.WriteString(fieldName);
+                                    writer.WriteEndElement();
+                                    LLSD.LLSDWriteOne(writer, fieldValue);
+                                    // OpenMetaverse.StructuredData.LLSDParser.SerializeXmlElement(
+                                    //    writer, OpenMetaverse.StructuredData.OSD.FromObject(fieldValue));
+                                }
+                            }
+                            else
+                            {
+                                // TODO from ADAM: There is a nullref being caused by fields[i] being null
+                                // on some computers. Unsure what is causing this, but would appreciate
+                                // if sdague could take a look at this.
+                            }
+                        }
+                        writer.WriteEndElement();
+                        break;
+                    case "ARRAY":
+                        // OSDArray arrayObject = obj as OSDArray;
+                        // ArrayList a = arrayObject.Array;
+                        ArrayList a = (ArrayList) obj.GetType().GetField("Array").GetValue(obj);
+                        if (a != null)
+                        {
+                            writer.WriteStartElement(String.Empty, "array", String.Empty);
+                            foreach (object item in a)
+                            {
+                                SerializeOSDType(writer, item);
+                            }
+                            writer.WriteEndElement();
+                        }
+                        break;
+                }
+            }
+            else
+            {
+                LLSD.LLSDWriteOne(writer, obj);
+                //OpenMetaverse.StructuredData.LLSDParser.SerializeXmlElement(
+                //    writer, OpenMetaverse.StructuredData.OSD.FromObject(obj));
+            }
+        }
+
+        public static object DeserialiseOSDMap(Hashtable llsd, object obj)
+        {
+            Type myType = obj.GetType();
+            LLSDType[] llsdattributes = (LLSDType[]) myType.GetCustomAttributes(typeof (LLSDType), false);
+            if (llsdattributes.Length > 0)
+            {
+                switch (llsdattributes[0].ObjectType)
+                {
+                    case "MAP":
+                        IDictionaryEnumerator enumerator = llsd.GetEnumerator();
+                        while (enumerator.MoveNext())
+                        {
+                            string keyName = (string)enumerator.Key;
+                            keyName = keyName.Replace("-","_");
+                            FieldInfo field = myType.GetField(keyName);
+                            if (field != null)
+                            {
+                                // if (enumerator.Value is OpenMetaverse.StructuredData.OSDMap)
+                                if (enumerator.Value is Hashtable)
+                                {
+                                    object fieldValue = field.GetValue(obj);
+                                    DeserialiseOSDMap((Hashtable) enumerator.Value, fieldValue);
+                                    //  DeserialiseOSDMap((OpenMetaverse.StructuredData.OSDMap) enumerator.Value, fieldValue);
+                                }
+                                else if (enumerator.Value is ArrayList)
+                                {
+                                    object fieldValue = field.GetValue(obj);
+                                    fieldValue.GetType().GetField("Array").SetValue(fieldValue, enumerator.Value);
+                                    //TODO
+                                    // the LLSD map/array types in the array need to be deserialised
+                                    // but first we need to know the right class to deserialise them into.
+                                }
+                                else
+                                {
+                                    field.SetValue(obj, enumerator.Value);
+                                }
+                            }
+                        }
+                        break;
+                }
+            }
+            return obj;
+        }
+    }
+}