com.google.gdata.client.uploader
Interface UploadData

All Known Implementing Classes:

ByteArrayUploadData, FileUploadData

public interface UploadData

A seekable, read-only buffer of data to be upload uploading.

Method Summary

long	length() Returns the total number of bytes of data in the buffer.
void	read(byte[] destination) Reads up to destination.length bytes from the current position into the destination buffer.
int	read(byte[] chunk, int i, int length) Reads up to length bytes into the chunk buffer.
void	setPosition(long position) Sets the offset from the start of the the source data from which the next read will begin.

Method Detail

length

long length()

Returns the total number of bytes of data in the buffer.

read

void read(byte[] destination)
          throws java.io.IOException

Reads up to destination.length bytes from the current position into the destination buffer.

Throws:

java.io.IOException - if the data could not be read.

read

int read(byte[] chunk,
         int i,
         int length)
         throws java.io.IOException

Reads up to length bytes into the chunk buffer.

Parameters:

i - the start offset in the destination buffer.

Throws:

java.io.IOException - if the data could not be read.

setPosition

void setPosition(long position)
                 throws java.io.IOException

Sets the offset from the start of the the source data from which the next read will begin.

Throws:

java.io.IOException - if position is negative or past the end of the data.