nsIScriptableInputStream Interface

 Return the number of bytes currently available in the stream 

 @return the number of bytes 

 @throws NS_BASE_STREAM_CLOSED if called after the stream has been closed

unsigned long available()

 
 Closes the stream. 

void close()

 Wrap the given nsIInputStream with this nsIScriptableInputStream. 

 @param aInputStream parameter providing the stream to wrap 

void init(in nsIInputStream aInputStream)

 Read data from the stream.

 WARNING: If the data contains a null byte, then this method will return
 a truncated string.

 @param aCount the maximum number of bytes to read 

 @return the data, which will be an empty string if the stream is at EOF.

 @throws NS_BASE_STREAM_CLOSED if called after the stream has been closed
 @throws NS_ERROR_NOT_INITIALIZED if init was not called

string read(in unsigned long aCount)