public virtual void TestObjectLabeling()
{
//Do a few tricky experiments to make sure things are being written
//the way we expect
//Write the data array with ObjectWritable
//which will indirectly write it using APW.Internal
ObjectWritable.WriteObject(@out, i, i.GetType(), null, true);
//Write the corresponding APW directly with ObjectWritable
ArrayPrimitiveWritable apw = new ArrayPrimitiveWritable(i);
ObjectWritable.WriteObject(@out, apw, apw.GetType(), null, true);
//Get ready to read it back
@in.Reset(@out.GetData(), @out.GetLength());
//Read the int[] object as written by ObjectWritable, but
//"going around" ObjectWritable
string className = UTF8.ReadString(@in);
Assert.Equal("The int[] written by ObjectWritable was not labelled as "
+ "an ArrayPrimitiveWritable.Internal", typeof(ArrayPrimitiveWritable.Internal)
.FullName, className);
ArrayPrimitiveWritable.Internal apwi = new ArrayPrimitiveWritable.Internal();
apwi.ReadFields(@in);
Assert.Equal("The ArrayPrimitiveWritable.Internal component type was corrupted"
, typeof(int), apw.GetComponentType());
Assert.True("The int[] written by ObjectWritable as " + "ArrayPrimitiveWritable.Internal was corrupted"
, Arrays.Equals(i, (int[])(apwi.Get())));
//Read the APW object as written by ObjectWritable, but
//"going around" ObjectWritable
string declaredClassName = UTF8.ReadString(@in);
Assert.Equal("The APW written by ObjectWritable was not labelled as "
+ "declaredClass ArrayPrimitiveWritable", typeof(ArrayPrimitiveWritable).FullName
, declaredClassName);
className = UTF8.ReadString(@in);
Assert.Equal("The APW written by ObjectWritable was not labelled as "
+ "class ArrayPrimitiveWritable", typeof(ArrayPrimitiveWritable).FullName, className
);
ArrayPrimitiveWritable apw2 = new ArrayPrimitiveWritable();
apw2.ReadFields(@in);
Assert.Equal("The ArrayPrimitiveWritable component type was corrupted"
, typeof(int), apw2.GetComponentType());
Assert.True("The int[] written by ObjectWritable as " + "ArrayPrimitiveWritable was corrupted"
, Arrays.Equals(i, (int[])(apw2.Get())));
}
/// <summary>
/// Read a
/// <see cref="IWritable"/>
/// ,
/// <see cref="string"/>
/// , primitive type, or an array of
/// the preceding.
/// </summary>
/// <exception cref="System.IO.IOException"/>
public static object ReadObject(BinaryReader reader, ObjectWritable objectWritable, Configuration
conf)
{
string className = UTF8.ReadString(@in);
Type declaredClass = PrimitiveNames[className];
if (declaredClass == null)
{
declaredClass = LoadClass(conf, className);
}
object instance;
if (declaredClass.IsPrimitive)
{
// primitive types
if (declaredClass == typeof(bool))
{
// boolean
instance = Extensions.ValueOf(@in.ReadBoolean());
}
else
{
if (declaredClass == typeof(char))
{
// char
instance = char.ValueOf(@in.ReadChar());
}
else
{
if (declaredClass == typeof(byte))
{
// byte
instance = byte.ValueOf(@in.ReadByte());
}
else
{
if (declaredClass == typeof(short))
{
// short
instance = short.ValueOf(@in.ReadShort());
}
else
{
if (declaredClass == typeof(int))
{
// int
instance = Extensions.ValueOf(@in.ReadInt());
}
else
{
if (declaredClass == typeof(long))
{
// long
instance = Extensions.ValueOf(@in.ReadLong());
}
else
{
if (declaredClass == typeof(float))
{
// float
instance = float.ValueOf(@in.ReadFloat());
}
else
{
if (declaredClass == typeof(double))
{
// double
instance = double.ValueOf(@in.ReadDouble());
}
else
{
if (declaredClass == typeof(void))
{
// void
instance = null;
}
else
{
throw new ArgumentException("Not a primitive: " + declaredClass);
}
}
}
}
}
}
}
}
}
}
else
{
if (declaredClass.IsArray)
{
// array
int length = @in.ReadInt();
instance = System.Array.CreateInstance(declaredClass.GetElementType(), length);
for (int i = 0; i < length; i++)
{
Runtime.SetArrayValue(instance, i, ReadObject(@in, conf));
}
}
else
{
if (declaredClass == typeof(ArrayPrimitiveWritable.Internal))
{
// Read and unwrap ArrayPrimitiveWritable$Internal array.
// Always allow the read, even if write is disabled by allowCompactArrays.
ArrayPrimitiveWritable.Internal temp = new ArrayPrimitiveWritable.Internal();
temp.ReadFields(@in);
instance = temp.Get();
declaredClass = instance.GetType();
}
else
{
if (declaredClass == typeof(string))
{
// String
instance = UTF8.ReadString(@in);
}
else
{
if (declaredClass.IsEnum())
{
// enum
instance = Enum.ValueOf((Type)declaredClass, UTF8.ReadString(@in));
}
else
{
if (typeof(Message).IsAssignableFrom(declaredClass))
{
instance = TryInstantiateProtobuf(declaredClass, @in);
}
else
{
// Writable
Type instanceClass = null;
string str = UTF8.ReadString(@in);
instanceClass = LoadClass(conf, str);
IWritable writable = WritableFactories.NewInstance(instanceClass, conf);
writable.ReadFields(@in);
instance = writable;
if (instanceClass == typeof(ObjectWritable.NullInstance))
{
// null
declaredClass = ((ObjectWritable.NullInstance)instance).declaredClass;
instance = null;
}
}
}
}
}
}
}
if (objectWritable != null)
{
// store values
objectWritable.declaredClass = declaredClass;
objectWritable.instance = instance;
}
return(instance);
}