Java Swing Tutorial - Java JEditorPane(String url) Constructor

Syntax

JEditorPane(String url) constructor from JEditorPane has the following syntax.

public JEditorPane(String url)   throws IOException

Example

In the following code shows how to use JEditorPane.JEditorPane(String url) constructor.

//from  w  w  w  . j av  a 2  s  .co m

import java.awt.EventQueue;
import java.awt.Frame;
import java.io.IOException;
import java.net.URL;

import javax.swing.JEditorPane;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JScrollPane;
import javax.swing.event.HyperlinkEvent;
import javax.swing.event.HyperlinkListener;
import javax.swing.text.Document;

public class Main {

  public static void main(final String args[]) {
    JFrame frame = new JFrame("EditorPane Example");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    try {
      JEditorPane editorPane = new JEditorPane("http://www.java2s.com");
      editorPane.setEditable(false);

      HyperlinkListener hyperlinkListener = new ActivatedHyperlinkListener(
          editorPane);
      editorPane.addHyperlinkListener(hyperlinkListener);

      JScrollPane scrollPane = new JScrollPane(editorPane);
      frame.add(scrollPane);
    } catch (IOException e) {
      System.err.println("Unable to load: " + e);
    }

    frame.setSize(640, 480);
    frame.setVisible(true);
  }

}

class ActivatedHyperlinkListener implements HyperlinkListener {

  JEditorPane editorPane;

  public ActivatedHyperlinkListener(JEditorPane editorPane) {
    this.editorPane = editorPane;
  }

  public void hyperlinkUpdate(HyperlinkEvent hyperlinkEvent) {
    HyperlinkEvent.EventType type = hyperlinkEvent.getEventType();
    final URL url = hyperlinkEvent.getURL();
    if (type == HyperlinkEvent.EventType.ENTERED) {
      System.out.println("URL: " + url);
    } else if (type == HyperlinkEvent.EventType.ACTIVATED) {
      System.out.println("Activated");
      Document doc = editorPane.getDocument();
      try {
        editorPane.setPage(url);
      } catch (IOException ioException) {
        System.out.println("Error following link");
        editorPane.setDocument(doc);
      }
    }
  }
}