kerhoswing
Class TextAreaWriter

java.lang.Object
  java.io.Writer
      kerhoswing.TextAreaWriter

All Implemented Interfaces:

Closeable, Flushable, Appendable

public final class TextAreaWriter
extends Writer

Simple way to "print" to a JTextArea; just say PrintWriter out = new PrintWriter(new TextAreaWriter(myTextArea)); Then out.println() et all will all appear in the TextArea. Source: http://javacook.darwinsys.com/new_recipes/14.9betterTextToTextArea.jsp

Field Summary

Fields inherited from class java.io.Writer

lock

Constructor Summary

TextAreaWriter(JTextArea textArea)

Method Summary

void	close()
void	flush()
static PrintWriter	getTextPrintWriter(JTextArea textArea) Factory method for creating a PrintWriter to print to selected TextArea
void	write(char[] cbuf, int off, int len)

Methods inherited from class java.io.Writer

append, append, append, write, write, write, write

Methods inherited from class java.lang.Object

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

Constructor Detail

TextAreaWriter

public TextAreaWriter(JTextArea textArea)

Parameters:

textArea - area where to write

Example:

 #import java.io.*;
 #import javax.swing.*;
   JTextArea text = new JTextArea();
   PrintWriter tw = new PrintWriter(new TextAreaWriter(text));
   tw.print("Hello");
   tw.print(" ");
   tw.print("world!");
   text.getText() === "Hello world!";
   text.setText("");
   tw.println("Hello");
   tw.println("world!");
   text.getText() =R= "Hello\\r?\\nworld!\\r?\\n";
 

Method Detail

flush

public void flush()

Specified by:

flush in interface Flushable

Specified by:

flush in class Writer

close

public void close()

Specified by:

close in interface Closeable

Specified by:

close in class Writer

write

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

Specified by:

write in class Writer

Throws:

IOException

getTextPrintWriter

public static PrintWriter getTextPrintWriter(JTextArea textArea)

Factory method for creating a PrintWriter to print to selected TextArea

Parameters:

textArea - area where to print

Returns:

created PrintWriter ready to print to TextArea

Example:

 #import java.io.*;
 #import javax.swing.*;
   JTextArea text = new JTextArea();
   PrintWriter tw = TextAreaWriter.getTextPrintWriter(text);
   tw.print("Hyvää");
   tw.print(" ");
   tw.print("päivää!");
   text.getText() === "Hyvää päivää!";