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Java(TM) 2 Platform, Standard Edition, v1.2.2 API Specification: Class FilterWriter - JDK 5 Documentation v1.2.2, Java 2 SDK 英文文档

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java.io
Class FilterWriter

java.lang.Object
  |
  +--java.io.Writer
        |
        +--java.io.FilterWriter

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public abstract class FilterWriter

extends Writer

Abstract class for writing filtered character streams.

Since:

JDK1.1

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Field Summary
protected  Writer	out           The underlying character-output stream.

 

Fields inherited from class java.io.Writer

lock

 

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

 

Method Summary
void	close()           Close the stream.
void	flush()           Flush the stream.
void	write(char[] cbuf, int off, int len)           Write a portion of an array of characters.
void	write(int c)           Write a single character.
void	write(String str, int off, int len)           Write a portion of a string.

 

Methods inherited from class java.io.Writer

write, write

 

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

 

Field Detail

out

protected Writer out

The underlying character-output stream.

Constructor Detail

FilterWriter

protected FilterWriter(Writer out)

Create a new filtered writer.

Method Detail

write

public void write(int c)
           throws IOException

Write a single character.

Overrides:

write in class Writer

Throws:

IOException - If an I/O error occurs

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write

public void write(char[] cbuf,
                  int off,
                  int len)
           throws IOException

Write a portion of an array of characters.

Overrides:

write in class Writer

Parameters:

cbuf - Buffer of characters to be written

off - Offset from which to start reading characters

len - Number of characters to be written

Throws:

IOException - If an I/O error occurs

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write

public void write(String str,
                  int off,
                  int len)
           throws IOException

Write a portion of a string.

Overrides:

write in class Writer

Parameters:

str - String to be written

off - Offset from which to start reading characters

len - Number of characters to be written

Throws:

IOException - If an I/O error occurs

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flush

public void flush()
           throws IOException

Flush the stream.

Overrides:

flush in class Writer

Throws:

IOException - If an I/O error occurs

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close

public void close()
           throws IOException

Close the stream.

Overrides:

close in class Writer

Throws:

IOException - If an I/O error occurs

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