org.mmbase.util
Class StringBufferWriter

java.lang.Object
  java.io.Writer
      org.mmbase.util.StringBufferWriter

public class StringBufferWriter

extends Writer

Oddly enough, Java does not provide this itself. Code is nearly identical to java.io.StringWriter.

Since:

MMBase-1.7

Version:

$Id: StringBufferWriter.java,v 1.4 2005/10/05 10:09:05 michiel Exp $

Author:

Michiel Meeuwissen

See Also:

StringWriter

Field Summary

protected StringBuffer

buffer

Fields inherited from class java.io.Writer

lock

Constructor Summary

StringBufferWriter(StringBuffer buffer)
Create a new StringBufferWriter

Method Summary

void	close() Closing a StringBufferWriter has no effect.
void	flush() Flush the stream.
StringBuffer	getBuffer() Return the string buffer itself.
String	toString() Return the buffer's current value as a string.
void	write(char[] charArray, int offset, int length) Write a portion of an array of characters.
void	write(int c) Write a single character.
void	write(String str) Write a string.
void	write(String str, int offset, int length) Write a portion of a string.

Methods inherited from class java.io.Writer

write

Methods inherited from class java.lang.Object

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

Field Detail

buffer

protected StringBuffer buffer

Constructor Detail

StringBufferWriter

public StringBufferWriter(StringBuffer buffer)

Create a new StringBufferWriter

Parameters:

buffer - The StringBuffer to use

Throws:

NullPointerException - if buffer is null.

Method Detail

write

public void write(int c)

Write a single character.

write

public void write(char[] charArray,
                  int offset,
                  int length)

Write a portion of an array of characters.

Parameters:

charArray - Array of characters

offset - Offset from which to start writing characters

length - Number of characters to write

write

public void write(String str)

Write a string.

write

public void write(String str,
                  int offset,
                  int length)

Write a portion of a string.

Parameters:

str - String to be written

offset - Offset from which to start writing characters

length - Number of characters to write

toString

public String toString()

Return the buffer's current value as a string.

getBuffer

public StringBuffer getBuffer()

Return the string buffer itself.

Returns:

StringBuffer holding the current buffer value.

flush

public void flush()

Flush the stream.

close

public void close()
           throws IOException

Closing a StringBufferWriter has no effect. The methods in this class can be called after the stream has been closed without generating an IOException.

Throws:

IOException