mcs/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapReader.cs

   1 // created on 24/04/2003 at 15:35\r
   2 //\r
   3 //      System.Runtime.Serialization.Formatters.Soap.SoapReader\r
   4 //\r
   5 //      Authors:\r
   6 //              Jean-Marc Andre (jean-marc.andre@polymtl.ca)\r
   7 //\r
   8 \r
   9 using System;\r
  10 using System.Reflection;\r
  11 using System.Collections;\r
  12 using System.Runtime.Serialization;\r
  13 \r
  14 namespace System.Runtime.Serialization.Formatters.Soap {\r
  15         internal class SoapReader: ISoapReader {\r
  16                 public event ElementReadEventHandler ElementReadEvent;\r
  17                 \r
  18                 public SoapReader(ISoapParser parser) {\r
  19                         // register the SoapElementReadEvent handler\r
  20                         parser.SoapElementReadEvent += new SoapElementReadEventHandler(SoapElementRead);\r
  21                 }\r
  22                 \r
  23                 // called when SoapElementReadEvent is raized by the SoapParser object\r
  24                 public void SoapElementRead(ISoapParser sender, SoapElementReadEventArgs e) {\r
  25                         Queue elementQueue = e.ElementQueue;\r
  26                         Queue elementInfoQueue = new Queue();\r
  27                         SoapSerializationEntry root = (SoapSerializationEntry) elementQueue.Dequeue();\r
  28                         \r
  29                         ElementInfo rootInfo = GetElementInfo(root);\r
  30                         SoapSerializationEntry field;\r
  31                         while(elementQueue.Count > 0){\r
  32                                 field = (SoapSerializationEntry) elementQueue.Dequeue();\r
  33                                 elementInfoQueue.Enqueue(GetElementInfo(field));\r
  34                         }\r
  35 \r
  36                         // raise the ElementReadEvent\r
  37                         ElementReadEvent(this,new ElementReadEventArgs(rootInfo, elementInfoQueue));\r
  38                 }\r
  39                 \r
  40                 // Converts the text information from the SoapParser into\r
  41                 // information that with by used by the ObjectReader to reconstruct\r
  42                 // the object.\r
  43                 private ElementInfo GetElementInfo(SoapSerializationEntry entry) {\r
  44                         SoapTypeMapping mapping = new SoapTypeMapping(entry.elementName, entry.elementNamespace);\r
  45                         Type elementType = SoapTypeMapper.GetType(mapping);\r
  46                         \r
  47                         \r
  48                         long id = 0;\r
  49                         ElementType elementId = ElementType.Nothing;\r
  50                         ICollection attrLst = entry.elementAttributes;\r
  51                         int[] arrayRank = null;\r
  52                         foreach(SoapAttributeStruct attr in attrLst){\r
  53                                 if(attr.attributeName == "id"){\r
  54                                         string attrId = ((string)attr.attributeValue).Remove(0,4);\r
  55                                         id = (new FormatterConverter()).ToInt64(attrId);\r
  56                                         elementId = ElementType.Id;\r
  57                                 } else if(attr.attributeName == "href") {\r
  58                                         string attrId = ((string)attr.attributeValue).Remove(0,5);\r
  59                                         id = (new FormatterConverter()).ToInt64(attrId);\r
  60                                         elementId = ElementType.Href;\r
  61                                 } else if(attr.attributeName == "xsi:null" && attr.attributeValue == "1") {\r
  62                                         elementId = ElementType.Null;\r
  63                                 } else if(attr.attributeName == "SOAP-ENC:arrayType") {\r
  64                                         string[] tokens = attr.attributeValue.Split(new System.Char[] {'[',',',']'});\r
  65                                         mapping = new SoapTypeMapping(tokens[0], attr.prefix);\r
  66                                         elementType = SoapTypeMapper.GetType(mapping);\r
  67                                         arrayRank = new int[tokens.Length - 2];\r
  68                                         for(int i=0; i<tokens.Length-2; i++) {\r
  69                                                 arrayRank[i] = Convert.ToInt32(tokens[i+1]);\r
  70                                         }\r
  71                                         Type tempType = Type.GetType(elementType.ToString()+"[]");\r
  72                                         \r
  73                                         if(tempType == null) {\r
  74                                                 AssemblyName assName = elementType.Assembly.GetName();\r
  75                                                 Assembly ass = Assembly.Load(assName);\r
  76                                                 tempType = ass.GetType(elementType.ToString()+"[]", true);\r
  77                                         }\r
  78                                         \r
  79                                         elementType = tempType;\r
  80                                 } else if(attr.attributeName == "xsi:type") {\r
  81                                         mapping = new SoapTypeMapping(attr.attributeValue, attr.prefix);\r
  82                                         elementType = SoapTypeMapper.GetType(mapping);\r
  83                                         \r
  84                                         \r
  85                                 }\r
  86                         }\r
  87                         \r
  88 \r
  89                         ElementInfo elementInfo =  new ElementInfo(elementType, entry.elementName, entry.elementValue, elementId, id, arrayRank);\r
  90                         return elementInfo;\r
  91                         \r
  92                 }\r
  93         }\r
  94 }\r