/** the result of proxy autodetection */
static HTTP.ProxyInfo cachedProxyInfo = null;
+ /** the current build */
+ public static String build = "unknown";
+
// VM Detection Logic /////////////////////////////////////////////////////////////////////
/** do-nothing method that forces <clinit> to run */
platform.init();
}
+ try {
+ build = (String)Class.forName("org.xwt.Build").getField("build").get(null);
+ } catch (ClassNotFoundException cnfe) {
+ } catch (Exception e) {
+ if (Log.on) Log.log(Platform.class, "exception while detecting build:");
+ if (Log.on) Log.log(Platform.class, e);
+ }
+ if (Log.on) Log.log(Platform.class, "XWT build: " + build);
+
if (Log.on) Log.log(Platform.class, "XWT VM detection: vendor = " + vendor);
if (Log.on) Log.log(Platform.class, " version = " + version);
if (Log.on) Log.log(Platform.class, " os = " + os_name);
+ if (Log.on && Main.applet != null) Log.log(Platform.class, " browser = " + Main.applet.getParameter("browser"));
if (platform_class == null) {
if (Log.on) Log.log(Platform.class, "Unable to detect JVM");
- System.exit(-1);
+ new Platform().criticalAbort("Unable to detect JVM");
}
if (Log.on) Log.log(Platform.class, " platform = " + platform.getDescriptiveName());
if (Log.on) Log.log(Platform.class, " class = " + platform.getClass().getName());
+ platform.postInit();
} catch (Exception e) {
if (Log.on) Log.log(Platform.class, "Exception while trying to detect JVM");
if (Log.on) Log.log(Platform.class, e);
- System.exit(-1);
+ new Platform().criticalAbort("Unable to detect JVM");
}
}
/** this initializes the platform; code in here can invoke methods on Platform since Platform.platform has already been set */
protected void init() { }
+ protected void postInit() { }
/** creates and returns a doublebuffer 'belonging' to <tt>owner</tt>; we need to associate DoubleBuffers to surfaces
* due to AWT 1.1 requirements (definately for Navigator, possibly also for MSJVM).
/** creates a socket object */
protected Socket _getSocket(String host, int port, boolean ssl, boolean negotiate) throws IOException {
- return ssl ? new TinySSL(host, port, negotiate) : new Socket(java.net.InetAddress.getByName(host), port);
+ Socket ret = ssl ? new TinySSL(host, port, negotiate) : new Socket(java.net.InetAddress.getByName(host), port);
+ ret.setTcpNoDelay(true);
+ return ret;
}
/** creates and returns a picture */
}
/** quits XWT */
- protected void _exit() { System.exit(0); }
+ protected void _exit() {
+ if (Main.applet == null) {
+ System.exit(0);
+ } else {
+ // just block ourselves forever
+ // FIXME
+ new Semaphore().block();
+ }
+ }
/** used to notify the user of very serious failures; usually used when logging is not working or unavailable */
- protected void _criticalAbort(String message) { System.exit(-1); }
+ protected void _criticalAbort(String message) { _exit(); }
/** used to notify the user of very serious failures; usually used when logging is not working or unavailable */
protected String _getDefaultFont() { return "sansserif10"; }
/** returns true iff the platform has a case-sensitive filesystem */
protected boolean _isCaseSensitive() { return true; }
+ /** returns the value of the environment variable key, or null if no such key exists */
+ protected String _getEnv(String key) {
+ try {
+ String os = System.getProperty("os.name").toLowerCase();
+ Process p;
+ if (os.indexOf("windows 9") > -1) {
+ p = Runtime.getRuntime().exec("command.com /c set");
+ } else if ( (os.indexOf("nt") > -1) || (os.indexOf("windows 2000") > -1) ) {
+ p = Runtime.getRuntime().exec("cmd.exe /c set");
+ } else {
+ p = Runtime.getRuntime().exec("env");
+ }
+ BufferedReader br = new BufferedReader(new InputStreamReader(p.getInputStream()));
+ String s;
+ while ((s = br.readLine()) != null)
+ if (s.startsWith(key + "="))
+ return s.substring(key.length() + 1);
+ } catch (Exception e) {
+ if (Log.on) Log.log(this, "Exception while reading from environment:");
+ if (Log.on) Log.log(this, e);
+ }
+ return null;
+ }
// Static methods -- thunk to the instance /////////////////////////////////////////////////////////////////////////
/** returns true iff the platform has a case-sensitive filesystem */
public static boolean isCaseSensitive() { return platform._isCaseSensitive(); }
+ /** returns the value of the environment variable key, or null if no such key exists */
+ public static String getEnv(String key) { return platform._getEnv(key); }
+
/** displays a platform-specific "open file" dialog and returns the chosen filename, or null if the user hit cancel */
public static String fileDialog(String suggestedFileName, boolean write) {
if (!ThreadMessage.suspendThread()) return null;
if (Log.on) Log.log(Platform.class, "xwt.newBrowserWindow() only supports http and https urls");
return;
}
+
+ // check the URL for well-formedness, as a defense against buffer overflow attacks
+ try {
+ String u = url;
+ if (u.startsWith("https")) u = "http" + u.substring(5);
+ new URL(u);
+ } catch (MalformedURLException e) {
+ if (Log.on) Log.log(Platform.class, "URL " + url + " is not well-formed");
+ if (Log.on) Log.log(Platform.class, e);
+ }
+
if (Log.on) Log.log(Platform.class, "newBrowserWindow, url = " + url);
platform._newBrowserWindow(url);
}
public static Surface createSurface(Box b, boolean framed, boolean refreshable) {
Surface ret = platform._createSurface(b, framed);
ret.setInvisible(b.invisible);
- b.set(Box.size, 0, ret.width);
- b.set(Box.size, 1, ret.height);
+ b.set(Box.size, 0, b.size(0) < Surface.scarPicture.getWidth() ? Surface.scarPicture.getWidth() : b.size(0));
+ b.set(Box.size, 1, b.size(1) < Surface.scarPicture.getHeight() ? Surface.scarPicture.getHeight() : b.size(1));
Object titlebar = b.get("titlebar", null, true);
if (titlebar != null) ret.setTitleBarText(titlebar.toString());
if (alreadyDetectedProxy) return null;
alreadyDetectedProxy = true;
- if (Log.on) Log.log(Platform.class, "attempting xwt-proxy DNS proxy detection");
+ if (Log.on) Log.log(Platform.class, "attempting environment-variable DNS proxy detection");
cachedProxyInfo = HTTP.ProxyInfo.detectProxyViaManual();
if (cachedProxyInfo != null) return cachedProxyInfo;