/*
Definitive Guide to Swing for Java 2, Second Edition
By John Zukowski
ISBN: 1-893115-78-X
Publisher: APress
*/
import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.event.ActionEvent;
import java.io.FileReader;
import java.io.IOException;
import javax.swing.AbstractAction;
import javax.swing.Action;
import javax.swing.JButton;
import javax.swing.JEditorPane;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.text.JTextComponent;
import javax.swing.text.html.HTMLDocument;
import javax.swing.text.html.HTMLEditorKit;
import javax.swing.text.html.parser.ParserDelegator;
public class LoadSync {
public static void main(String args[]) {
final String filename = "Test.html";
JFrame frame = new JFrame("Loading/Saving Example");
Container content = frame.getContentPane();
final JEditorPane editorPane = new JEditorPane();
editorPane.setEditable(false);
JScrollPane scrollPane = new JScrollPane(editorPane);
content.add(scrollPane, BorderLayout.CENTER);
editorPane.setEditorKit(new HTMLEditorKit());
JPanel panel = new JPanel();
// Setup actions
Action loadAction = new AbstractAction() {
{
putValue(Action.NAME, "Load");
}
public void actionPerformed(ActionEvent e) {
doLoadCommand(editorPane, filename);
}
};
JButton loadButton = new JButton(loadAction);
panel.add(loadButton);
content.add(panel, BorderLayout.SOUTH);
frame.setSize(250, 150);
frame.setVisible(true);
}
public static void doLoadCommand(JTextComponent textComponent,
String filename) {
FileReader reader = null;
try {
System.out.println("Loading");
reader = new FileReader(filename);
// Create empty HTMLDocument to read into
HTMLEditorKit htmlKit = new HTMLEditorKit();
HTMLDocument htmlDoc = (HTMLDocument) htmlKit
.createDefaultDocument();
// Create parser (javax.swing.text.html.parser.ParserDelegator)
HTMLEditorKit.Parser parser = new ParserDelegator();
// Get parser callback from document
HTMLEditorKit.ParserCallback callback = htmlDoc.getReader(0);
// Load it (true means to ignore character set)
parser.parse(reader, callback, true);
// Replace document
textComponent.setDocument(htmlDoc);
System.out.println("Loaded");
} catch (IOException exception) {
System.out.println("Load oops");
exception.printStackTrace();
} finally {
if (reader != null) {
try {
reader.close();
} catch (IOException ignoredException) {
}
}
}
}
}
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