X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=src%2Forg%2Fxwt%2FPlatform.java;h=a7f0627a5409ce2437d2bcf6e29f5c6d3e5b4596;hb=38c7cb80528704b6771220448f36da4199f66453;hp=39a480f91b329984a07119b7c27a759345871b20;hpb=36c7cba0672b0b0ac61f484a918a34969100ca92;p=org.ibex.core.git diff --git a/src/org/xwt/Platform.java b/src/org/xwt/Platform.java index 39a480f..a7f0627 100644 --- a/src/org/xwt/Platform.java +++ b/src/org/xwt/Platform.java @@ -36,6 +36,9 @@ public class Platform { /** 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 */ @@ -54,8 +57,10 @@ public class Platform { String platform_class = null; //if (os_name.startsWith("Mac OS X")) platform_class = "MacOSX"; - if (vendor.startsWith("Free Software Foundation")) platform_class = "Win32"; - else if (version.startsWith("1.1") && vendor.startsWith("Netscape")) platform_class = "Netscape"; + if (vendor.startsWith("Free Software Foundation")) { + if (os_name.startsWith("Window")) platform_class = "Win32"; + else platform_class = "POSIX"; + } else if (version.startsWith("1.1") && vendor.startsWith("Netscape")) platform_class = "Netscape"; else if (version.startsWith("1.1") && vendor.startsWith("Microsoft")) platform_class = "Microsoft"; else if (version.startsWith("1.4")) platform_class = "Java14"; else if (!version.startsWith("1.0") && !version.startsWith("1.1")) platform_class = "Java12"; @@ -65,22 +70,33 @@ public class Platform { 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"); } } @@ -93,6 +109,7 @@ public class Platform { /** 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 owner; we need to associate DoubleBuffers to surfaces * due to AWT 1.1 requirements (definately for Navigator, possibly also for MSJVM). @@ -103,15 +120,17 @@ public class Platform { protected Surface _createSurface(Box b, boolean framed) { return null; } /** creates a socket object */ - protected Socket _getSocket(String host, int port, boolean ssl) throws IOException { - return ssl ? new TinySSL(host, port) : new Socket(java.net.InetAddress.getByName(host), port); + protected Socket _getSocket(String host, int port, boolean ssl, boolean negotiate) throws IOException { + 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 */ protected Picture _createPicture(int[] b, int w, int h) { return null; } /** should return true if it is safe to supress full-surface dirties immediately after a window resize */ - protected boolean _supressDirtyOnResize() { return true; } + protected boolean _supressDirtyOnResize() { return false; } /** the human-readable name of the key mapped to XWT's 'alt' key */ protected String _altKeyName() { return "alt"; } @@ -154,32 +173,74 @@ public class Platform { } /** 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"; } + /** if true, org.xwt.Surface will generate a Click automatically after a press and a release */ protected boolean _needsAutoClick() { return false; } + /** if true, org.xwt.Surface will generate a DoubleClick automatically after recieving two clicks in a short period of time */ + protected boolean _needsAutoDoubleClick() { return false; } + protected void _newBrowserWindow(String url) { if (Log.on) Log.log(this, "Platform " + platform.getClass().getName() + " cannot open browser windows"); return; } - /** Returns true iff the platform detected that it should be using a proxy. - * The platform implementation should cache the result. - * This method will only be called if a connection attempt failed - */ + /** Returns null if XWT should always use direct connection; otherwise returns a ProxyInfo object with proxy settings */ protected synchronized HTTP.ProxyInfo _detectProxy() { return null; } + /** displays a platform-specific "open file" dialog and returns the chosen filename, or null if the user hit cancel */ + protected String _fileDialog(String suggestedFileName, boolean write) { return null; } + + /** 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(0, 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 ///////////////////////////////////////////////////////////////////////// /** if true, org.xwt.Surface should generate Click messages automatically when a Release happens after a Press and the mouse has not moved much */ public static boolean needsAutoClick() { return platform._needsAutoClick(); } + /** if true, org.xwt.Surface should generate DoubleClick messages automatically when needed */ + public static boolean needsAutoDoubleClick() { return platform._needsAutoDoubleClick(); } + /** should return true if it is safe to supress full-surface dirties immediately after a window resize */ public static String getDefaultFont() { return platform._getDefaultFont(); } @@ -214,7 +275,9 @@ public class Platform { public static void setClipBoard(String s) { platform._setClipBoard(s); } /** creates a socket object, with or without ssl encryption */ - public static Socket getSocket(String host, int port, boolean ssl) throws IOException { return platform._getSocket(host, port, ssl); } + public static Socket getSocket(String host, int port, boolean ssl, boolean negotiate) throws IOException { + return platform._getSocket(host, port, ssl, negotiate); + } /** returns the width of the screen, in pixels */ public static int getScreenWidth() { return platform._getScreenWidth(); } @@ -231,12 +294,39 @@ public class Platform { /** creates and returns a picture */ public static Picture createPicture(ImageDecoder i) { return platform._createPicture(i.getData(), i.getWidth(), i.getHeight()); } + /** 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; + try { + return platform._fileDialog(suggestedFileName, write); + } finally { + ThreadMessage.resumeThread(); + } + } + /** opens a new browser window */ public static void newBrowserWindow(String url) { if (!(url.startsWith("https://") || url.startsWith("http://") || url.startsWith("ftp://") || url.startsWith("mailto:"))) { 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); } @@ -261,8 +351,8 @@ public class Platform { 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) == 0 ? 10 : b.size(0)); + b.set(Box.size, 1, b.size(1) == 0 ? 10 : b.size(1)); Object titlebar = b.get("titlebar", null, true); if (titlebar != null) ret.setTitleBarText(titlebar.toString()); @@ -274,6 +364,8 @@ public class Platform { else if (Log.on) Log.log(Platform.class, "unable to load icon " + icon); } + ret.setLimits(b.dmin(0), b.dmin(1), b.dmax(0), b.dmax(1)); + if (refreshable) { Surface.refreshableSurfaceWasCreated = true; Surface.allSurfaces.addElement(ret); @@ -290,7 +382,7 @@ public class Platform { 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; @@ -329,7 +421,7 @@ public class Platform { public void parse(String font) { int i = 0; - while(i < font.length() && !Character.isDigit(font.charAt(i))) i++; + while(i < font.length() && !Character.isDigit(font.charAt(i)) && font.charAt(i) != '*') i++; name = font.substring(0, i).toLowerCase().replace('_', ' '); size = 10; italic = false; @@ -337,10 +429,15 @@ public class Platform { underline = false; dotted_underline = false; if (i != font.length()) { - int j = i; - while (j < font.length() && Character.isDigit(font.charAt(j))) j++; - if (i != j) size = stoi(font.substring(i, j)); - i = j; + if (font.charAt(i) == '*') { + size = 0; + i++; + } else { + int j = i; + while (j < font.length() && Character.isDigit(font.charAt(j))) j++; + if (i != j) size = stoi(font.substring(i, j)); + i = j; + } while(i < font.length()) { switch (font.charAt(i)) { case 'b': bold = true; break;