Package org.codehaus.groovy.runtime

Class StringBufferWriter

java.lang.Object

java.io.Writer

org.codehaus.groovy.runtime.StringBufferWriter

All Implemented Interfaces:

Closeable, Flushable, Appendable, AutoCloseable

public class StringBufferWriter
extends Writer

This class codes around a silly limitation of StringWriter which doesn't allow a StringBuffer to be passed in as a constructor for some bizarre reason. So we replicate the behaviour of StringWriter here but allow a StringBuffer to be passed in.

Field Summary

Fields inherited from class java.io.Writer

lock

Constructor Summary

Constructors

Constructor	Description
StringBufferWriter(StringBuffer buffer)	Create a new string writer which will append the text to the given StringBuffer

Method Summary

Modifier and Type	Method	Description
void	close()	Closing a StringWriter has no effect.
void	flush()	Flush the stream.
String	toString()	Return the buffer's current value as a string.
void	write(char[] text, int offset, int length)	Write a portion of an array of characters.
void	write(int c)	Write a single character.
void	write(String text)	Write a string.
void	write(String text, int offset, int length)	Write a portion of a string.

Methods inherited from class java.io.Writer

append, append, append, nullWriter, write

Methods inherited from class java.lang.Object

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

Constructor Detail

StringBufferWriter

public StringBufferWriter(StringBuffer buffer)

Create a new string writer which will append the text to the given StringBuffer

Method Detail

write

public void write(int c)

Write a single character.

Overrides:

write in class Writer

write

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

Write a portion of an array of characters.

Specified by:

write in class Writer

Parameters:

text - Array of characters

offset - Offset from which to start writing characters

length - Number of characters to write

write

public void write(String text)

Write a string.

Overrides:

write in class Writer

write

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

Write a portion of a string.

Overrides:

write in class Writer

Parameters:

text - the text 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.

Overrides:

toString in class Object

flush

public void flush()

Flush the stream.

Specified by:

flush in interface Flushable

Specified by:

flush in class Writer

close

public void close()
           throws IOException

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

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Specified by:

close in class Writer

Throws:

IOException