Closeable, Flushable, AutoCloseable
The class implements a buffered output stream. By setting up such an output stream, an application can write bytes to the underlying output stream without necessarily causing a call to the underlying system for each byte written.
Fields
protected byte[]
The internal buffer where data is stored.
protected int
The number of valid bytes in the buffer.
Constructors
Creates a new buffered output stream to write data to the specified underlying output stream.
Creates a new buffered output stream to write data to the specified underlying output stream with the specified buffer size.
void
Flushes this buffered output stream.
void
write(byte[] b, int off, int len)
Writes len bytes from the specified byte array starting at offset off to this buffered output stream.
void
Writes the specified byte to this buffered output stream.
Methods declared in class java.lang.Objectclone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, waitprotected byte[] buf
The internal buffer where data is stored.
protected int count
The number of valid bytes in the buffer. This value is always in the range 0 through buf.length; elements buf[0] through buf[count-1] contain valid byte data.
Creates a new buffered output stream to write data to the specified underlying output stream.
out - the underlying output stream.
Creates a new buffered output stream to write data to the specified underlying output stream with the specified buffer size.
out - the underlying output stream.
size - the buffer size.
IllegalArgumentException - if size <= 0.
Writes the specified byte to this buffered output stream.
write in class FilterOutputStream
b - the byte to be written.
IOException - if an I/O error occurs.
throws
IOExceptionWrites
len
bytes from the specified byte array starting at offset
off
to this buffered output stream.
Ordinarily this method stores bytes from the given array into this stream's buffer, flushing the buffer to the underlying output stream as needed. If the requested length is at least as large as this stream's buffer, however, then this method will flush the buffer and write the bytes directly to the underlying output stream. Thus redundant BufferedOutputStreams will not copy data unnecessarily.
write in class FilterOutputStream
b - the data.
off - the start offset in the data.
len - the number of bytes to write.
IOException - if an I/O error occurs.
IndexOutOfBoundsException - If off is negative, len is negative, or len is greater than b.length - off
Flushes this buffered output stream. This forces any buffered output bytes to be written out to the underlying output stream.
flush in interface Flushable
flush in class FilterOutputStream
IOException - if an I/O error occurs.
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