JavaTM 2 Platform
Std. Ed. v1.4.2

java.io
Class StringWriter

java.lang.Object
  extended byjava.io.Writer
      extended byjava.io.StringWriter

public class StringWriter
extends Writer

A character stream that collects its output in a string buffer, which can then be used to construct a string.

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

Since:
JDK1.1

Field Summary
 
Fields inherited from class java.io.Writer
lock
 
Constructor Summary
StringWriter()
          Create a new string writer, using the default initial string-buffer size.
StringWriter(int initialSize)
          Create a new string writer, using the specified initial string-buffer size.
 
Method Summary
 void close()
          Closing a StringWriter 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[] 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)
          Write a string.
 void write(String str, int off, int len)
          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
 

Constructor Detail

StringWriter

public StringWriter()
Create a new string writer, using the default initial string-buffer size.


StringWriter

public StringWriter(int initialSize)
Create a new string writer, using the specified initial string-buffer size.

Parameters:
initialSize - an int specifying the initial size of the buffer.
Method Detail

write

public void write(int c)
Write a single character.

Overrides:
write in class Writer
Parameters:
c - int specifying a character to be written.

write

public void write(char[] cbuf,
                  int off,
                  int len)
Write a portion of an array of characters.

Specified by:
write in class Writer
Parameters:
cbuf - Array of characters
off - Offset from which to start writing characters
len - Number of characters to write

write

public void write(String str)
Write a string.

Overrides:
write in class Writer
Parameters:
str - String to be written

write

public void write(String str,
                  int off,
                  int len)
Write a portion of a string.

Overrides:
write in class Writer
Parameters:
str - String to be written
off - Offset from which to start writing characters
len - Number of characters to write

toString

public String toString()
Return the buffer's current value as a string.

Overrides:
toString in class Object
Returns:
a string representation of the object.

getBuffer

public StringBuffer getBuffer()
Return the string buffer itself.

Returns:
StringBuffer holding the current buffer value.

flush

public void flush()
Flush the stream.

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 class Writer
Throws:
IOException - If an I/O error occurs

JavaTM 2 Platform
Std. Ed. v1.4.2

Submit a bug or feature
For further API reference and developer documentation, see Java 2 SDK SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

Copyright 2003 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.


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