Package ucar.unidata.io

Class PositioningDataInputStream

java.lang.Object

ucar.unidata.io.PositioningDataInputStream

public class PositioningDataInputStream
extends Object

Similar to a DataInputStream that keeps track of position. The position must always increase, no going backwards. Note cant handle byte order yet - assume big endian(?).

Constructor Summary

Constructors

Constructor	Description
PositioningDataInputStream(InputStream is)

Method Summary

Modifier and Type	Method	Description
void	read(long pos, byte[] dest, int off, int len)
void	readDouble(long pos, double[] dest, int off, int len)
void	readFloat(long pos, float[] dest, int off, int len)
void	readInt(long pos, int[] dest, int off, int len)
void	readLong(long pos, long[] dest, int off, int len)
void	readShort(long pos, short[] dest, int off, int len)

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

PositioningDataInputStream

public PositioningDataInputStream(InputStream is)

Method Detail

read

public void read(long pos,
                 byte[] dest,
                 int off,
                 int len)
          throws IOException

Throws:

IOException

readShort

public void readShort(long pos,
                      short[] dest,
                      int off,
                      int len)
               throws IOException

Throws:

IOException

readInt

public void readInt(long pos,
                    int[] dest,
                    int off,
                    int len)
             throws IOException

Throws:

IOException

readLong

public void readLong(long pos,
                     long[] dest,
                     int off,
                     int len)
              throws IOException

Throws:

IOException

readFloat

public void readFloat(long pos,
                      float[] dest,
                      int off,
                      int len)
               throws IOException

Throws:

IOException

readDouble

public void readDouble(long pos,
                       double[] dest,
                       int off,
                       int len)
                throws IOException

Throws:

IOException