Futhermore, if method message.order(ByteOrder.LITTLE_ENDIAN) is called, int
makeInt() is done by the message.order(). Am I right?
On 9/5/07, mat <[EMAIL PROTECTED]> wrote:
>
> Sorry, I meant Java.nio API did the order convert for us.
>
> On 9/5/07, Lan Boon Ping <[EMAIL PROTECTED]> wrote:
> >
> > Hi,
> >
> > It has nothing to do with JVM, it is just a matter of reading byte in
> > different sequence. For instance, you have a byte stream,
> > byte[] aa =new byte[]{0,0,0,4};
> >
> > //to read big Endian int, i would do
> > int bigEndianInt = makeInt( bytes[ 0 ], bytes[ 1 ], bytes[ 2 ], bytes[ 3
> > ]
> > );
> >
> > //to read little endian int, i would do
> > int littleEndianInt = makeInt( bytes[ 3 ], bytes[ 2 ], bytes[ 1 ],
> > bytes[ 0
> > ] );
> >
> > private static int makeInt( byte byte3, byte byte2, byte byte1, byte
> > byte0 )
> > {
> > return (int) ( ( ( ( byte3 & 0xff ) << 24 ) |
> > ( ( byte2 & 0xff ) << 16 ) |
> > ( ( byte1 & 0xff ) << 8 ) |
> > ( ( byte0 & 0xff ) << 0 ) ) );
> > }
> >
> > Hope this help.
> >
> > On 9/5/07, 汤国军 < [EMAIL PROTECTED]> wrote:
> > >
> > > I don't know whether JVM do it for us.
> > > But seems that it do not do ByteOrder
> > >
> > >
> > > 2007/9/4, mat < [EMAIL PROTECTED]>:
> > > >
> > > > Does JVM do the byte reserve for us in the method message.order(
> > > > ByteOrder.LITTLE_ENDIAN) ?
> > > >
> > > > On 9/4/07, Lan Boon Ping < [EMAIL PROTECTED]> wrote:
> > > > >
> > > > > Hi,
> > > > >
> > > > > Be aware of little Endian(C++) and big Endian(Java), you should be
> > > able
> > > > to
> > > > > use the ByteBuffer to decode the Struct Employee corrrectly. For
> > > > instance,
> > > > >
> > > > > ByteBuffer message;
> > > > >
> > > > > message.order (ByteOrder.LITTLE_ENDIAN) ;
> > > > >
> > > > > byte[] name = new byte[10];
> > > > > message.get( name);
> > > > > int id = message.getInt();
> > > > > int salary = message.getInt ();
> > > > >
> > > > > Hope this help.
> > > > >
> > > > > Regards
> > > > > BP.
> > > > >
> > > > >
> > > > > On 9/4/07, 汤国军 < [EMAIL PROTECTED]> wrote:
> > > > > >
> > > > > > Hi, i am a newer of mina, and i'v got a problem. It like this:
> > > > > >
> > > > > > Before ,both of Our Client and server are using C++ socket. But
> > now
> > > > we
> > > > > > want to migrate the server by using mina.
> > > > > > We hava done some simple tests.
> > > > > > When I use c++ socket sending a string , the simple mina server
> > can
> > > > > > receive
> > > > > > it.
> > > > > >
> > > > > > But when sending a c++ struct,
> > > > > > struct Employee {
> > > > > > char name[10];
> > > > > > int id;
> > > > > > int salory;
> > > > > > };
> > > > > > the server can only read out "name",can not get the information
> > of
> > > > "id"
> > > > > > and
> > > > > > "salory".
> > > > > >
> > > > > > I implemented the method MessageReceive(session, msg). When I
> > try to
> > > > > > type-cast msg to ByteBuffer, there throw out an exception.
> > > > > >
> > > > > > So i urgently want to know how can i do this?
> > > > > >
> > > > > > thank you and sorry for my poor english.
> > > > > >
> > > > > > --
> > > > > > Hope is a good thing, maybe the best of the things!
> > > > > >
> > > > >
> > > >
> > >
> > >
> > >
> > > --
> > > Hope is a good thing, maybe the best of the things!
> > >
> >
>
>
