public int ReadBytes(byte[] value, int length)
{
InitializeReading();
try
{
return(dataIn.Read(value, 0, length));
}
catch (EndOfStreamException e)
{
throw NMSExceptionSupport.CreateMessageEOFException(e);
}
catch (IOException e)
{
throw NMSExceptionSupport.CreateMessageFormatException(e);
}
}
public double ReadDouble()
{
InitializeReading();
try
{
return(dataIn.ReadDouble());
}
catch (EndOfStreamException e)
{
throw NMSExceptionSupport.CreateMessageEOFException(e);
}
catch (IOException e)
{
throw NMSExceptionSupport.CreateMessageFormatException(e);
}
}
public string ReadString()
{
InitializeReading();
try
{
// JMS, CMS and NMS all encode the String using a 16 bit size header.
return(dataIn.ReadString16());
}
catch (EndOfStreamException e)
{
throw NMSExceptionSupport.CreateMessageEOFException(e);
}
catch (IOException e)
{
throw NMSExceptionSupport.CreateMessageFormatException(e);
}
}
public double ReadDouble()
{
InitializeReading();
try
{
long startingPos = this.byteBuffer.Position;
try
{
int type = this.dataIn.ReadByte();
switch (type)
{
case PrimitiveMap.DOUBLE_TYPE:
return(this.dataIn.ReadDouble());
case PrimitiveMap.FLOAT_TYPE:
return(this.dataIn.ReadSingle());
case PrimitiveMap.STRING_TYPE:
return(Single.Parse(this.dataIn.ReadString16()));
case PrimitiveMap.NULL:
this.byteBuffer.Seek(startingPos, SeekOrigin.Begin);
throw new NMSException("Cannot convert Null type to a double");
default:
this.byteBuffer.Seek(startingPos, SeekOrigin.Begin);
throw new MessageFormatException("Value is not a Double type.");
}
}
catch (FormatException e)
{
this.byteBuffer.Seek(startingPos, SeekOrigin.Begin);
throw NMSExceptionSupport.CreateMessageFormatException(e);
}
}
catch (EndOfStreamException e)
{
throw NMSExceptionSupport.CreateMessageEOFException(e);
}
catch (IOException e)
{
throw NMSExceptionSupport.CreateMessageFormatException(e);
}
}
public string ReadString()
{
InitializeReadingMode();
try
{
// Note if dataIn is an EndianBinaryReader the string length is read as 16bit short
return(dataIn.ReadString());
}
catch (EndOfStreamException e)
{
throw NMSExceptionSupport.CreateMessageEOFException(e);
}
catch (IOException e)
{
throw NMSExceptionSupport.CreateMessageFormatException(e);
}
}
public byte ReadByte()
{
InitializeReading();
try
{
long startingPos = this.byteBuffer.Position;
try
{
int type = this.dataIn.ReadByte();
if (type == PrimitiveMap.BYTE_TYPE)
{
return(this.dataIn.ReadByte());
}
else if (type == PrimitiveMap.STRING_TYPE)
{
return(Byte.Parse(this.dataIn.ReadString16()));
}
else if (type == PrimitiveMap.NULL)
{
this.byteBuffer.Seek(startingPos, SeekOrigin.Begin);
throw new NMSException("Cannot convert Null type to a byte");
}
else
{
this.byteBuffer.Seek(startingPos, SeekOrigin.Begin);
throw new MessageFormatException("Value is not a Byte type.");
}
}
catch (FormatException e)
{
this.byteBuffer.Seek(startingPos, SeekOrigin.Begin);
throw NMSExceptionSupport.CreateMessageFormatException(e);
}
}
catch (EndOfStreamException e)
{
throw NMSExceptionSupport.CreateMessageEOFException(e);
}
catch (IOException e)
{
throw NMSExceptionSupport.CreateMessageFormatException(e);
}
}
public object ReadObject()
{
FailIfWriteOnlyMsgBody();
FailIfBytesInBuffer();
object result = null;
object value = null;
try
{
value = cloak.Peek();
if (value == null)
{
result = null;
}
else if (value is byte[])
{
byte[] buffer = value as byte[];
result = new byte[buffer.Length];
Array.Copy(buffer, 0, result as byte[], 0, buffer.Length);
}
else if (ConversionSupport.IsNMSType(value))
{
result = value;
}
}
catch (EndOfStreamException eos)
{
throw NMSExceptionSupport.CreateMessageEOFException(eos);
}
catch (IOException ioe)
{
throw NMSExceptionSupport.CreateMessageFormatException(ioe);
}
catch (Exception e)
{
Tracer.InfoFormat("Unexpected exception caught reading Object stream. Exception = {0}", e);
throw NMSExceptionSupport.Create("Unexpected exception caught reading Object stream.", e);
}
cloak.Pop();
return(result);
}
public char ReadChar()
{
InitializeReading();
try
{
long startingPos = this.byteBuffer.Position;
try
{
int type = this.dataIn.ReadByte();
switch (type)
{
case PrimitiveMap.CHAR_TYPE:
return(this.dataIn.ReadChar());
case PrimitiveMap.NULL:
this.byteBuffer.Seek(startingPos, SeekOrigin.Begin);
throw new NMSException("Cannot convert Null type to a char");
default:
this.byteBuffer.Seek(startingPos, SeekOrigin.Begin);
throw new MessageFormatException("Value is not a Char type.");
}
}
catch (FormatException e)
{
this.byteBuffer.Seek(startingPos, SeekOrigin.Begin);
throw NMSExceptionSupport.CreateMessageFormatException(e);
}
}
catch (EndOfStreamException e)
{
throw NMSExceptionSupport.CreateMessageEOFException(e);
}
catch (IOException e)
{
throw NMSExceptionSupport.CreateMessageFormatException(e);
}
}
public Object ReadObject()
{
InitializeReading();
long startingPos = this.byteBuffer.Position;
try
{
int type = this.dataIn.ReadByte();
if (type == PrimitiveMap.BIG_STRING_TYPE)
{
return(this.dataIn.ReadString32());
}
else if (type == PrimitiveMap.STRING_TYPE)
{
return(this.dataIn.ReadString16());
}
else if (type == PrimitiveMap.LONG_TYPE)
{
return(this.dataIn.ReadInt64());
}
else if (type == PrimitiveMap.INTEGER_TYPE)
{
return(this.dataIn.ReadInt32());
}
else if (type == PrimitiveMap.SHORT_TYPE)
{
return(this.dataIn.ReadInt16());
}
else if (type == PrimitiveMap.FLOAT_TYPE)
{
return(this.dataIn.ReadSingle());
}
else if (type == PrimitiveMap.DOUBLE_TYPE)
{
return(this.dataIn.ReadDouble());
}
else if (type == PrimitiveMap.CHAR_TYPE)
{
return(this.dataIn.ReadChar());
}
else if (type == PrimitiveMap.BYTE_TYPE)
{
return(this.dataIn.ReadByte());
}
else if (type == PrimitiveMap.BOOLEAN_TYPE)
{
return(this.dataIn.ReadBoolean());
}
else if (type == PrimitiveMap.BYTE_ARRAY_TYPE)
{
int length = this.dataIn.ReadInt32();
byte[] data = new byte[length];
this.dataIn.Read(data, 0, length);
return(data);
}
else if (type == PrimitiveMap.NULL)
{
return(null);
}
else
{
this.byteBuffer.Seek(startingPos, SeekOrigin.Begin);
throw new MessageFormatException("Value is not a known type.");
}
}
catch (FormatException e)
{
this.byteBuffer.Seek(startingPos, SeekOrigin.Begin);
throw NMSExceptionSupport.CreateMessageFormatException(e);
}
catch (EndOfStreamException e)
{
throw NMSExceptionSupport.CreateMessageEOFException(e);
}
catch (IOException e)
{
throw NMSExceptionSupport.CreateMessageFormatException(e);
}
}
public string ReadString()
{
InitializeReading();
long startingPos = this.byteBuffer.Position;
try
{
int type = this.dataIn.ReadByte();
switch (type)
{
case PrimitiveMap.BIG_STRING_TYPE:
return(this.dataIn.ReadString32());
case PrimitiveMap.STRING_TYPE:
return(this.dataIn.ReadString16());
case PrimitiveMap.LONG_TYPE:
return(this.dataIn.ReadInt64().ToString());
case PrimitiveMap.INTEGER_TYPE:
return(this.dataIn.ReadInt32().ToString());
case PrimitiveMap.SHORT_TYPE:
return(this.dataIn.ReadInt16().ToString());
case PrimitiveMap.FLOAT_TYPE:
return(this.dataIn.ReadSingle().ToString());
case PrimitiveMap.DOUBLE_TYPE:
return(this.dataIn.ReadDouble().ToString());
case PrimitiveMap.CHAR_TYPE:
return(this.dataIn.ReadChar().ToString());
case PrimitiveMap.BYTE_TYPE:
return(this.dataIn.ReadByte().ToString());
case PrimitiveMap.BOOLEAN_TYPE:
return(this.dataIn.ReadBoolean().ToString());
case PrimitiveMap.NULL:
return(null);
default:
this.byteBuffer.Seek(startingPos, SeekOrigin.Begin);
throw new MessageFormatException("Value is not a known type.");
}
}
catch (FormatException e)
{
this.byteBuffer.Seek(startingPos, SeekOrigin.Begin);
throw NMSExceptionSupport.CreateMessageFormatException(e);
}
catch (EndOfStreamException e)
{
throw NMSExceptionSupport.CreateMessageEOFException(e);
}
catch (IOException e)
{
throw NMSExceptionSupport.CreateMessageFormatException(e);
}
}
