/// <summary>
/// Invoke the object with the request from the input stream.
/// </summary>
/// <param name="inHessian">the Hessian input stream</param>
/// <param name="outHessian">the Hessian output stream</param>
public void invoke(AbstractHessianInput inHessian, AbstractHessianOutput outHessian)
{
inHessian.StartCall();
MethodInfo methodInf = getMethodInfo(inHessian.Method);
//If the method doesn't exist
if (methodInf == null)
{
outHessian.StartReply();
outHessian.WriteFault("NoSuchMethodException",
"The service has no method named: " + inHessian.Method,
null);
outHessian.CompleteReply();
return;
}
ParameterInfo[] paramInfo = methodInf.GetParameters();
Object[] valuesParam = new Object[paramInfo.Length];
for (int i = 0; i < paramInfo.Length; i++)
{
valuesParam[i] = inHessian.ReadObject(paramInfo[i].ParameterType);
}
inHessian.CompleteCall();
Object result = null;
try {
result = methodInf.Invoke(m_Service, valuesParam);
} catch (Exception e) {
//TODO: Exception besser behandeln
if (e.GetType() == typeof(System.Reflection.TargetInvocationException))
{
if (e.InnerException != null)
{
e = e.InnerException;
}
}
outHessian.StartReply();
outHessian.WriteFault("ServiceException", e.Message, e);
outHessian.CompleteReply();
return;
}
outHessian.StartReply();
outHessian.WriteObject(result);
outHessian.CompleteReply();
}
/// <summary>
/// Writes enum to the output stream
/// </summary>
/// <param name="obj"> Enum to write</param>
/// <param name="abstractHessianOutput">Instance of the hessian output</param>
public override void WriteObject(object obj, AbstractHessianOutput abstractHessianOutput)
{
// immer den Referenzzähler hochzählen!
// (manche enums mit nullable funktionieren nicht)
object unrefobj = new object();
if (abstractHessianOutput.AddRef(unrefobj))
return;
if (obj == null)
{
abstractHessianOutput.WriteNull();
}
else
{
Type enumType = obj.GetType();
string name = //Enum.GetName(enumType, obj);
((Enum)obj).ToString(); // das geht auch mit .NET Mobile
abstractHessianOutput.WriteMapBegin(enumType.FullName);
abstractHessianOutput.WriteObject("name");
abstractHessianOutput.WriteObject(name);
abstractHessianOutput.WriteMapEnd();
}
}
/// <summary>
/// Writes list objects (That extends from ICollection-Interfaces)
/// </summary>
/// <param name="objList">List object</param>
/// <param name="abstractHessianOutput">HessianOutput - Instance</param>
public override void WriteObject(object objList, AbstractHessianOutput abstractHessianOutput)
{
if (abstractHessianOutput.AddRef(objList))
return ;
// TODO auch generische Listen schreiben
ICollection collection = ( ICollection) objList;
Type type = objList.GetType();
if (type.Equals(typeof(ArrayList)))
abstractHessianOutput.WriteListBegin(collection.Count, null);
else
abstractHessianOutput.WriteListBegin(collection.Count, objList.GetType().FullName);
IEnumerator enumerator = collection.GetEnumerator();
while (enumerator.MoveNext())
{
Object value = enumerator.Current;
abstractHessianOutput.WriteObject(value);
}
abstractHessianOutput.WriteListEnd();
}
/// <summary>
/// Serialiaztion of objects
/// </summary>
/// <param name="obj">Object to serialize</param>
/// <param name="abstractHessianOutput">HessianOutput - Instance</param>
public override void WriteObject(object obj, AbstractHessianOutput abstractHessianOutput)
{
if (abstractHessianOutput.AddRef(obj))
return;
Type type = obj.GetType();
abstractHessianOutput.WriteMapBegin(type.FullName);
ArrayList serFields = GetSerializableFieldList();
for (int i = 0; i < serFields.Count; i++)
{
FieldInfo field = (FieldInfo)serFields[i];
abstractHessianOutput.WriteString(field.Name);
abstractHessianOutput.WriteObject(field.GetValue(obj));
}
abstractHessianOutput.WriteMapEnd();
}
/// <summary>
/// Invoke the object with the request from the input stream.
/// </summary>
/// <param name="inHessian">the Hessian input stream</param>
/// <param name="outHessian">the Hessian output stream</param>
public void invoke(AbstractHessianInput inHessian, AbstractHessianOutput outHessian)
{
inHessian.SkipOptionalCall();
// Hessian 1.0 backward compatibility
String header;
while ((header = inHessian.ReadHeader()) != null)
{
Object value = inHessian.ReadObject();
//context.addHeader(header, value);
}
String methodName = inHessian.ReadMethod();
int argLength = inHessian.ReadMethodArgLength();
MethodInfo methodInf = getMethodInfo(methodName + "__" + argLength);
if (methodInf == null)
{
methodInf = getMethodInfo(methodName);
}
//If the method doesn't exist
if (methodInf == null)
{
outHessian.WriteFault("NoSuchMethodException",
EscapeMessage("The service has no method named: " + methodName),
null);
outHessian.CompleteReply();
return;
}
ParameterInfo[] paramInfo = methodInf.GetParameters();
Object[] valuesParam = new Object[paramInfo.Length];
if (argLength != paramInfo.Length && argLength >= 0)
{
outHessian.WriteFault("NoSuchMethod",
EscapeMessage("method " + methodInf + " argument length mismatch, received length=" + argLength),
null);
outHessian.Flush();
return;
}
for (int i = 0; i < paramInfo.Length; i++)
{
valuesParam[i] = inHessian.ReadObject(paramInfo[i].ParameterType);
}
inHessian.CompleteCall();
Object result = null;
try
{
result = methodInf.Invoke(m_Service, valuesParam);
}
catch (Exception e)
{
//TODO: Exception besser behandeln
//if (e.GetType() == typeof(System.Reflection.TargetInvocationException))
//{
// if (e.InnerException != null)
// {
// e = e.InnerException;
// }
//}
InvokeErrorCallBack?.Invoke(this, e);
//多层InnerException使用GetBaseException()更好。
e = e.GetBaseException();
//outHessian.StartReply();
outHessian.WriteFault("ServiceException", e.Message, e.ToString());
outHessian.Flush();
//outHessian.CompleteReply();
return;
}
outHessian.StartReply();
outHessian.WriteObject(result);
outHessian.CompleteReply();
}