Question:
I believe there is a JavaScript function: ‘ShowDocument(URL,targetFrame)’
Is there a way to replicate this in Java?
I realize that in the future the solution may materialize when a relationship between Java and JavaScript develops. I presume Java would then have the ability to access JavaScript variables and functions.
Answer:
Here’s the standard technique for displaying a Web page and reading itsHTML:
import java.awt.*;import java.applet.*;import java.net.*;import java.io.*;public class Browse extends Applet { private TextField path; // private ErrorFrame f = new ErrorFrame(); URL source; TextArea display = new TextArea(8, 40); // 8 lines x 40 chars String next; AppletContext context; public void init() { setBackground(Color.pink); add(path = new TextField(“”, 30)); Panel p = new Panel(); p.add(new Button(“SHOW HTML”)); p.add(new Button(“HIDE HTML”)); add(p); add(display); context = getAppletContext(); } public boolean action(Event e, Object arg) { if (e.target == path) { try { String file = path.getText(); source = new URL(getCodeBase(), file); context.showDocument(source, “_self”); } catch(MalformedURLException mue) { // f.error(mue); } return true; } else if (arg.equals(“SHOW HTML”)) { try { DataInputStream in = new DataInputStream(source.openStream()); // erase display display.setText(“”); while(null != (next = in.readLine())) display.appendText(next + “/n”); in.close(); return true; } catch(IOException ioe) { // f.error(ioe); } } else if (arg.equals(“HIDE HTML”)) { display.setText(“”); return true; } return false; }}