java.io
Class FilterOutputStream
- AutoCloseable, Closeable, Flushable
This class is the common superclass of output stream classes that
filter the output they write. These classes typically transform the
data in some way prior to writing it out to another underlying
OutputStream. This class simply overrides all the
methods in OutputStream to redirect them to the
underlying stream. Subclasses provide actual filtering.
protected OutputStream | out- This is the subordinate
OutputStream that this class
redirects its method calls to.
|
void | close()- This method closes the underlying
OutputStream.
|
void | flush()- This method attempt to flush all buffered output to be written to the
underlying output sink.
|
void | write(byte[] buf)- This method writes all the bytes in the specified array to the underlying
OutputStream.
|
void | write(byte[] buf, int offset, int len)- This method calls the
write(int) method len
times for all bytes from the array buf starting at index
offset.
|
void | write(int b)- This method writes a single byte of output to the underlying
OutputStream.
|
clone, equals, extends Object> getClass, finalize, hashCode, notify, notifyAll, toString, wait, wait, wait |
out
protected OutputStream out
This is the subordinate OutputStream that this class
redirects its method calls to.
FilterOutputStream
public FilterOutputStream(OutputStream out)
This method initializes an instance of FilterOutputStream
to write to the specified subordinate OutputStream.
out - The OutputStream to write to
write
public void write(byte[] buf)
throws IOException This method writes all the bytes in the specified array to the underlying
OutputStream. It does this by calling the three parameter
version of this method - write(byte[], int, int) in this
class instead of writing to the underlying OutputStream
directly. This allows most subclasses to avoid overriding this method.
- write in interface OutputStream
buf - The byte array to write bytes from
write
public void write(byte[] buf,
int offset,
int len)
throws IOException This method calls the write(int) method len
times for all bytes from the array buf starting at index
offset. Subclasses should overwrite this method to get a
more efficient implementation.
- write in interface OutputStream
buf - The byte array to write bytes fromoffset - The index into the array to start writing bytes fromlen - The number of bytes to write
write
public void write(int b)
throws IOException This method writes a single byte of output to the underlying
OutputStream.
- write in interface OutputStream
b - The byte to write, passed as an int.
FilterOutputStream.java -- Parent class for output streams that filter
Copyright (C) 1998, 1999, 2001, 2003, 2005 Free Software Foundation, Inc.
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