/**
|
* This abstract class is the superclass of all classes representing
|
* an output stream of bytes. An output stream accepts output bytes
|
* and sends them to some sink.
|
* <p>
|
* Applications that need to define a subclass of
|
* <code>OutputStream</code> must always provide at least a method
|
* that writes one byte of output.
|
*
|
* @author Arthur van Hoff
|
* @see java.io.BufferedOutputStream
|
* @see java.io.ByteArrayOutputStream
|
* @see java.io.DataOutputStream
|
* @see java.io.FilterOutputStream
|
* @see java.io.InputStream
|
* @see java.io.OutputStream#write(int)
|
* @since JDK1.0
|
*/
|
export default abstract class OutputStream {
|
/**
|
* Writes the specified byte to this output stream. The general
|
* contract for <code>write</code> is that one byte is written
|
* to the output stream. The byte to be written is the eight
|
* low-order bits of the argument <code>b</code>. The 24
|
* high-order bits of <code>b</code> are ignored.
|
* <p>
|
* Subclasses of <code>OutputStream</code> must provide an
|
* implementation for this method.
|
*
|
* @param b the <code>byte</code>.
|
* @exception IOException if an I/O error occurs. In particular,
|
* an <code>IOException</code> may be thrown if the
|
* output stream has been closed.
|
*/
|
abstract write(b: number): void;
|
/**
|
* Writes <code>b.length</code> bytes from the specified byte array
|
* to this output stream. The general contract for <code>write(b)</code>
|
* is that it should have exactly the same effect as the call
|
* <code>write(b, 0, b.length)</code>.
|
*
|
* @param b the data.
|
* @exception IOException if an I/O error occurs.
|
* @see java.io.OutputStream#write(byte[], int, int)
|
*/
|
writeBytes(b: Uint8Array): void;
|
/**
|
* Writes <code>len</code> bytes from the specified byte array
|
* starting at offset <code>off</code> to this output stream.
|
* The general contract for <code>write(b, off, len)</code> is that
|
* some of the bytes in the array <code>b</code> are written to the
|
* output stream in order; element <code>b[off]</code> is the first
|
* byte written and <code>b[off+len-1]</code> is the last byte written
|
* by this operation.
|
* <p>
|
* The <code>write</code> method of <code>OutputStream</code> calls
|
* the write method of one argument on each of the bytes to be
|
* written out. Subclasses are encouraged to override this method and
|
* provide a more efficient implementation.
|
* <p>
|
* If <code>b</code> is <code>null</code>, a
|
* <code>NullPointerException</code> is thrown.
|
* <p>
|
* If <code>off</code> is negative, or <code>len</code> is negative, or
|
* <code>off+len</code> is greater than the length of the array
|
* <code>b</code>, then an <tt>IndexOutOfBoundsException</tt> is thrown.
|
*
|
* @param b the data.
|
* @param off the start offset in the data.
|
* @param len the number of bytes to write.
|
* @exception IOException if an I/O error occurs. In particular,
|
* an <code>IOException</code> is thrown if the output
|
* stream is closed.
|
*/
|
writeBytesOffset(b: Uint8Array, off: number, len: number): void;
|
/**
|
* Flushes this output stream and forces any buffered output bytes
|
* to be written out. The general contract of <code>flush</code> is
|
* that calling it is an indication that, if any bytes previously
|
* written have been buffered by the implementation of the output
|
* stream, such bytes should immediately be written to their
|
* intended destination.
|
* <p>
|
* If the intended destination of this stream is an abstraction provided by
|
* the underlying operating system, for example a file, then flushing the
|
* stream guarantees only that bytes previously written to the stream are
|
* passed to the operating system for writing; it does not guarantee that
|
* they are actually written to a physical device such as a disk drive.
|
* <p>
|
* The <code>flush</code> method of <code>OutputStream</code> does nothing.
|
*
|
* @exception IOException if an I/O error occurs.
|
*/
|
flush(): void;
|
/**
|
* Closes this output stream and releases any system resources
|
* associated with this stream. The general contract of <code>close</code>
|
* is that it closes the output stream. A closed stream cannot perform
|
* output operations and cannot be reopened.
|
* <p>
|
* The <code>close</code> method of <code>OutputStream</code> does nothing.
|
*
|
* @exception IOException if an I/O error occurs.
|
*/
|
close(): void;
|
}
|
