PushbackInputStream.read

PushbackInputStream.read

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Syntax 1
public int read() throws IOException
Returns
the next byte of data, or -1 if the end of the stream has been reached.
Description
Reads the next byte of data from this input stream. The value byte is returned as an int in the range 0 to 255. If no byte is available because the end of the stream has been reached, the value -1 is returned. This method blocks until input data is available, the end of the stream is detected, or an exception is thrown.

This method returns the most recently pushed-back byte, if there is one, and otherwise calls the read method of its underlying input stream and returns whatever value that method returns.

Exceptions
IOException if an I/O error occurs.
Overrides
read in class FilterInputStream
See Also
read



Syntax 2
public int read( byte b[], int off, int len ) throws IOException
Parameters
b
the buffer into which the data is read.
off
the start offset of the data.
len
the maximum number of bytes read.
Returns
the total number of bytes read into the buffer, or -1 if there is no more data because the end of the stream has been reached.
Description
Reads up to len bytes of data from this input stream into an array of bytes. This method first reads any pushed-back bytes; after that, if fewer than than len bytes have been read then it reads from the underlying input stream. This method blocks until at least 1 byte of input is available.

Exceptions
IOException if an I/O error occurs.
Overrides
read in class FilterInputStream