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DataIO.javaAPI DocExample902Sun Mar 07 11:14:58 GMT 2004com.darwinsys.io

DataIO

public class DataIO extends Object
Some I-O primitives for datastreams. All methods are static, since there is no state.
version
$Id: DataIO.java,v 1.3 2004/03/07 17:14:57 ian Exp $

Fields Summary
Constructors Summary
private DataIO()
Nobody should need to create an instance; all methods are static

 
		// nothing to do
Methods Summary
public static longreadUnsignedInt(java.io.DataInput is)
Read an unsigned int from a DataInput

param
is DataInput (DataInputStream, RandomAccessFile, etc).
return
long, to hold an unsigned int.

		// Need to read 4 bytes from the input, unsigned.
		// Do it yourself; there is no readUnsignedInt().
		return
			((long)(is.readUnsignedByte() & 0xff) << 24) |
			((long)(is.readUnsignedByte() & 0xff) << 16) |
			((long)(is.readUnsignedByte() & 0xff) <<  8) |
			((long)(is.readUnsignedByte() & 0xff) <<  0);