Ejemplo n.º 1
0
        private object InvokeMethod(IntPtr method, ParameterInfo[] parameterInfo, bool[] needBoxing)
        {
            object result;
            IntPtr methodReturn   = _methodClass.GetReturnType(method);
            IntPtr jniMethodPtr   = _vm.FromReflectedMethod(method);
            string returnTypeName = _classClass.GetName(methodReturn);

            JValue[]      parameters            = parameterInfo.Select((p, i) => p.Value(_vm, needBoxing[i])).ToArray();
            PrimitiveType returnTypeAsPrimitive = PrimitiveType.FromString(_vm, returnTypeName);

            if (methodReturn == IntPtr.Zero || returnTypeName == "void")
            {
                result = null;
                _vm.CallVoidMethod(_objectPointer, jniMethodPtr, parameters);
            }
            else if (returnTypeAsPrimitive != null)
            {
                switch (returnTypeAsPrimitive.Kind)
                {
                case PrimitiveTypeKind.Boolean:
                    result = _vm.CallBooleanMethod(_objectPointer, jniMethodPtr, parameters);
                    break;

                case PrimitiveTypeKind.Byte:
                    result = _vm.CallByteMethod(_objectPointer, jniMethodPtr, parameters);
                    break;

                case PrimitiveTypeKind.Char:
                    result = _vm.CallCharMethod(_objectPointer, jniMethodPtr, parameters);
                    break;

                case PrimitiveTypeKind.Double:
                    result = _vm.CallDoubleMethod(_objectPointer, jniMethodPtr, parameters);
                    break;

                case PrimitiveTypeKind.Float:
                    result = _vm.CallFloatMethod(_objectPointer, jniMethodPtr, parameters);
                    break;

                case PrimitiveTypeKind.Int:
                    result = _vm.CallIntMethod(_objectPointer, jniMethodPtr, parameters);
                    break;

                case PrimitiveTypeKind.Long:
                    result = _vm.CallLongMethod(_objectPointer, jniMethodPtr, parameters);
                    break;

                case PrimitiveTypeKind.Short:
                    result = _vm.CallShortMethod(_objectPointer, jniMethodPtr, parameters);
                    break;

                default:
                    throw new InvalidOperationException("Unknown primitive type: " + returnTypeAsPrimitive.Kind);
                }
            }
            else
            {
                IntPtr methodResult = _vm.CallObjectMethod(_objectPointer, jniMethodPtr, parameters);
                if (methodResult != IntPtr.Zero)
                {
                    if (returnTypeName.StartsWith("["))
                    {
                        result = new JavaArray(_vm, methodResult, (ArrayType)JavaType.FromReflectedType(_vm, methodReturn));
                    }
                    else
                    {
                        result = new JavaObject(_vm, methodResult, null);
                    }
                }
                else
                {
                    result = null;
                }
            }
            return(result);
        }