public void connect(String page) {
bf.status.setText("Connecting to server...");
try {
Socket socket = new Socket(server, port);
// Set the server connect timeout to 5 seconds
socket.setSoTimeout(5000);
BufferedReader inputStream =
new BufferedReader(new InputStreamReader(socket.getInputStream()));
PrintWriter outputStream =
new PrintWriter(new OutputStreamWriter(socket.getOutputStream()), true);
bf.status.setText("Reading URL...");
outputStream.println("GET " + page + " HTTP/1.0");
outputStream.println("Host: " + server);
outputStream.println();
String line = "";
String text = "";
int count = 0;
boolean headers = true;
while ((line = inputStream.readLine()) != null) {
if (line.equals("")) {
headers = false;
}
if (!headers && !line.equals("")) {
text = text + parse(line) + "\n";
}
if (count != 1) {
bf.status.setText("Read " + count + " lines");
} else {
bf.status.setText("Read " + count + " line");
}
count++;
}
bf.setText(text);
bf.status.setText("done");
socket.close();
} catch (UnknownHostException e) {
System.out.println(e);
bf.setText("Not online");
bf.status.setText("");
} catch (SocketException e) {
System.out.println("Socket Exception " + e);
bf.setText("Socket exception");
bf.status.setText("");
} catch (InterruptedIOException e) {
System.out.println("Read to server timed out " + e);
bf.setText("Server connect timed out");
bf.status.setText("");
} catch (IOException e) {
bf.setText("IO exception");
bf.status.setText("");
System.out.println("IOException " + e);
}
}
public boolean handleEvent(Event e) {
if (e.id == Event.WINDOW_DESTROY) {
System.out.println("Disposing of browser frame");
bf.hide();
bf.dispose();
bf = null;
return true;
} else {
return false;
}
}
public void frameInit(String url) {
bf = new BrowserFrame(this, "SimpleBrowser", 25, 72, "", url);
bf.ta.setFont(new java.awt.Font("Courier", java.awt.Font.PLAIN, 12));
bf.resize(700, 500);
bf.show();
bf.back.disable();
bf.forward.disable();
bf.status.setText("Connecting to server");
connect(split(url));
}
public boolean action(Event e, Object arg) {
System.out.println(e + " " + arg);
if (e.target == bf.tf) {
System.out.println("new page");
String url = bf.tf.getText();
pages.addElement(url);
String page = split(url);
System.out.println("Server = " + server);
System.out.println("Port = " + port);
System.out.println("Page = " + page);
connect(page);
position++;
bf.back.enable();
return true;
} else if (e.target == bf.back) {
System.out.println("pos " + position + " " + pages.size());
if (position > 0) {
position--;
String page = split((String) pages.elementAt(position));
bf.tf.setText((String) pages.elementAt(position));
connect(page);
if (position == 0) {
bf.back.disable();
}
bf.forward.enable();
}
return true;
} else if (e.target == bf.forward) {
if (position != pages.size() - 1) {
position++;
bf.tf.setText((String) pages.elementAt(position));
String page = split((String) pages.elementAt(position));
if (position == pages.size() - 1) {
bf.forward.disable();
}
bf.back.enable();
connect(page);
}
return true;
} else if (e.target == bf.b) {
System.out.println("Disposing of browser frame");
bf.hide();
bf.dispose();
bf = null;
return true;
} else {
return false;
}
}
public void setRootNode(NodeImpl node) {
if (!(node instanceof HTMLElementImpl)) {
throw new IllegalArgumentException("node=" + node);
}
HTMLElementImpl element = (HTMLElementImpl) node;
HtmlRendererContext context = element.getHtmlRendererContext();
this.htmlContext = context;
if (context != null) {
String rows = element.getAttribute("rows");
String cols = element.getAttribute("cols");
HtmlLength[] rowLengths = this.getLengths(rows);
HtmlLength[] colLengths = this.getLengths(cols);
this.rowHtmlLengths = rowLengths;
this.colHtmlLengths = colLengths;
HTMLElementImpl[] subframes = this.getSubFrames(element);
Component[] frameComponents = new Component[subframes.length];
this.frameComponents = frameComponents;
for (int i = 0; i < subframes.length; i++) {
HTMLElementImpl frameElement = subframes[i];
if (frameElement != null && "FRAMESET".equalsIgnoreCase(frameElement.getTagName())) {
FrameSetPanel fsp = new FrameSetPanel();
fsp.setRootNode(frameElement);
frameComponents[i] = fsp;
} else {
BrowserFrame frame = context.createBrowserFrame();
if (frameElement != null) {
String src = frameElement.getAttribute("src");
if (src != null) {
java.net.URL url;
try {
url = frameElement.getFullURL(src);
if (url != null) {
frame.loadURL(url);
}
} catch (MalformedURLException mfu) {
// ignore
}
}
}
frameComponents[i] = frame.getComponent();
}
}
}
}
