java.io
Class FilterWriter
- Appendable, Closeable, Flushable
This class is the common superclass of output character 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
Writer. This class simply overrides all the
methods in Writer to redirect them to the
underlying stream. Subclasses provide actual filtering.
protected Writer | out- This is the subordinate
Writer that this class
redirects its method calls to.
|
FilterWriter(Writer out)- This method initializes an instance of
FilterWriter
to write to the specified subordinate Writer.
|
void | close()- This method closes the underlying
Writer.
|
void | flush()- This method attempt to flush all buffered output to be written to the
underlying output sink.
|
void | write(char[] buf, int offset, int len)- This method writes
len chars from the array buf
starting at index offset to the underlying
Writer.
|
void | write(int b)- This method writes a single char of output to the underlying
Writer.
|
void | write(String str, int offset, int len)- This method writes
len chars from the String
starting at position offset.
|
clone, equals, extends Object> getClass, finalize, hashCode, notify, notifyAll, toString, wait, wait, wait |
out
protected Writer out
This is the subordinate Writer that this class
redirects its method calls to.
FilterWriter
protected FilterWriter(Writer out)
This method initializes an instance of FilterWriter
to write to the specified subordinate Writer.
The given Writer will be used as lock for
the newly created FilterWriter.
out - The Writer to write to
close
public void close()
throws IOException This method closes the underlying Writer. Any
further attempts to write to this stream may throw an exception.
- close in interface Closeable
- close in interface Writer
write
public void write(char[] buf,
int offset,
int len)
throws IOException This method writes len chars from the array buf
starting at index offset to the underlying
Writer.
- write in interface Writer
buf - The char array to write chars fromoffset - The index into the array to start writing chars fromlen - The number of chars to write
write
public void write(int b)
throws IOException This method writes a single char of output to the underlying
Writer.
- write in interface Writer
b - The char to write, passed as an int.
write
public void write(String str,
int offset,
int len)
throws IOException This method writes len chars from the String
starting at position offset.
- write in interface Writer
str - The String that is to be writtenoffset - The character offset into the String
to start writing fromlen - The number of chars to write
FilterWriter.java -- Parent class for output streams that filter
Copyright (C) 1998, 1999, 2001, 2003, 2005 Free Software Foundation, Inc.
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