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Java Source Code / Java Documentation » 6.0 JDK Core » io nio » java.io 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   java.io.Writer
      java.io.FilterWriter

FilterWriter
abstract public class FilterWriter extends Writer (Code)
Abstract class for writing filtered character streams. The abstract class FilterWriter itself provides default methods that pass all requests to the contained stream. Subclasses of FilterWriter should override some of these methods and may also provide additional methods and fields.
version:
   1.24, 07/05/05
author:
   Mark Reinhold
since:
   JDK1.1


Field Summary
protected  Writerout
     The underlying character-output stream.

Constructor Summary
protected  FilterWriter(Writer out)
     Create a new filtered writer.

Method Summary
public  voidclose()
    
public  voidflush()
     Flushes the stream.
public  voidwrite(int c)
     Writes a single character.
public  voidwrite(char cbuf, int off, int len)
     Writes a portion of an array of characters.
public  voidwrite(String str, int off, int len)
     Writes a portion of a string.

Field Detail
out
protected Writer out(Code)
The underlying character-output stream.




Constructor Detail
FilterWriter
protected FilterWriter(Writer out)(Code)
Create a new filtered writer.
Parameters:
  out - a Writer object to provide the underlying stream.
throws:
  NullPointerException - if out is null




Method Detail
close
public void close() throws IOException(Code)



flush
public void flush() throws IOException(Code)
Flushes the stream.
exception:
  IOException - If an I/O error occurs



write
public void write(int c) throws IOException(Code)
Writes a single character.
exception:
  IOException - If an I/O error occurs



write
public void write(char cbuf, int off, int len) throws IOException(Code)
Writes a portion of an array of characters.
Parameters:
  cbuf - Buffer of characters to be written
Parameters:
  off - Offset from which to start reading characters
Parameters:
  len - Number of characters to be written
exception:
  IOException - If an I/O error occurs



write
public void write(String str, int off, int len) throws IOException(Code)
Writes a portion of a string.
Parameters:
  str - String to be written
Parameters:
  off - Offset from which to start reading characters
Parameters:
  len - Number of characters to be written
exception:
  IOException - If an I/O error occurs



Fields inherited from java.io.Writer
protected Object lock(Code)(Java Doc)

Methods inherited from java.io.Writer
public Writer append(CharSequence csq) throws IOException(Code)(Java Doc)
public Writer append(CharSequence csq, int start, int end) throws IOException(Code)(Java Doc)
public Writer append(char c) throws IOException(Code)(Java Doc)
abstract public void close() throws IOException(Code)(Java Doc)
abstract public void flush() throws IOException(Code)(Java Doc)
public void write(int c) throws IOException(Code)(Java Doc)
public void write(char cbuf) throws IOException(Code)(Java Doc)
abstract public void write(char cbuf, int off, int len) throws IOException(Code)(Java Doc)
public void write(String str) throws IOException(Code)(Java Doc)
public void write(String str, int off, int len) throws IOException(Code)(Java Doc)

Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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