protected static String getString(
HttpServletRequest request, String propertyName, String propertyValueDefault) {
String res = null;
{
try {
Principal userPrincipal = request.getUserPrincipal();
if (userPrincipal != null) {
PreferenceAccessorFactory f = DefaultPreferenceAccessorFactory.getInstance();
PreferenceAccessor a = f.getUserPreferenceAccessor();
res = a.getPreferenceProperty(userPrincipal, propertyName);
if (res == null || res.length() == 0) {
if (propertyValueDefault != null) {
res = propertyValueDefault;
}
}
}
} catch (Throwable ex) {
ex.printStackTrace(); // TODO: Log!
}
}
return res;
}
protected static void setString(
HttpServletRequest request, String propertyName, String propertyValue) {
try {
Principal userPrincipal = request.getUserPrincipal();
if (userPrincipal != null) {
PreferenceAccessorFactory f = DefaultPreferenceAccessorFactory.getInstance();
PreferenceAccessor a = f.getUserPreferenceAccessor();
a.setPreferenceProperty(userPrincipal, propertyName, propertyValue);
}
} catch (Throwable ex) {
ex.printStackTrace(); // TODO: Log!
}
}
public static void setMenuPropertyValue(HttpServletRequest request, Integer v) {
try {
Principal userPrincipal = request.getUserPrincipal();
if (userPrincipal != null) {
PreferenceAccessorFactory f = DefaultPreferenceAccessorFactory.getInstance();
PreferenceAccessor a = f.getUserPreferenceAccessor();
if (v == null) {
a.setPreferenceProperty(userPrincipal, MENU_PROPERTY_NAME, null);
} else {
String value = v.toString();
a.setPreferenceProperty(userPrincipal, MENU_PROPERTY_NAME, value);
}
}
} catch (Throwable ex) {
ex.printStackTrace(); // TODO: Log!
}
}
public void run() {
if (useMainThread) {
// we have to start first to provide the service ..
singletonMainThread.waitUntilRunning();
}
// start user app ..
try {
Class mainClass = ReflectionUtil.getClass(mainClassName, true, getClass().getClassLoader());
if (null == mainClass) {
throw new RuntimeException(
new ClassNotFoundException("MainThread couldn't find main class " + mainClassName));
}
try {
mainClassMain = mainClass.getDeclaredMethod("main", new Class[] {String[].class});
mainClassMain.setAccessible(true);
} catch (Throwable t) {
throw new RuntimeException(t);
}
if (DEBUG)
System.err.println(
"MainAction.run(): " + Thread.currentThread().getName() + " invoke " + mainClassName);
mainClassMain.invoke(null, new Object[] {mainClassArgs});
} catch (InvocationTargetException ite) {
ite.getTargetException().printStackTrace();
} catch (Throwable t) {
t.printStackTrace();
}
if (DEBUG)
System.err.println(
"MainAction.run(): " + Thread.currentThread().getName() + " user app fin");
if (useMainThread) {
singletonMainThread.stop();
if (DEBUG)
System.err.println(
"MainAction.run(): " + Thread.currentThread().getName() + " MainThread fin - stop");
System.exit(0);
}
}
public void run() {
if (DEBUG) System.err.println("MainThread.run(): " + Thread.currentThread().getName());
synchronized (taskWorkerLock) {
isRunning = true;
taskWorkerLock.notifyAll();
}
while (!shouldStop) {
try {
// wait for something todo ..
synchronized (taskWorkerLock) {
while (!shouldStop && tasks.size() == 0) {
try {
taskWorkerLock.wait();
} catch (InterruptedException e) {
e.printStackTrace();
}
}
// take over the tasks ..
if (!shouldStop && tasks.size() > 0) {
Runnable task = (Runnable) tasks.remove(0);
task.run(); // FIXME: could be run outside of lock
}
taskWorkerLock.notifyAll();
}
} catch (Throwable t) {
// handle errors ..
t.printStackTrace();
} finally {
// epilog - unlock locked stuff
}
}
if (DEBUG) System.err.println("MainThread.run(): " + Thread.currentThread().getName() + " fin");
synchronized (taskWorkerLock) {
isRunning = false;
isExit = true;
taskWorkerLock.notifyAll();
}
}
private static Integer getMenuPropertyValue(HttpServletRequest request) {
Integer res = null;
{
try {
Principal userPrincipal = request.getUserPrincipal();
if (userPrincipal != null) {
PreferenceAccessorFactory f = DefaultPreferenceAccessorFactory.getInstance();
PreferenceAccessor a = f.getUserPreferenceAccessor();
String name = a.getPreferenceProperty(userPrincipal, MENU_PROPERTY_NAME);
if (name != null) {
res = Integer.parseInt(name);
}
}
} catch (Throwable ex) {
ex.printStackTrace(); // TODO: Log!
}
}
return res;
}
/**
* Given another class, return a transformed version of the class which replaces specified calls
* with alternative static implementations
*/
public byte[] transform(
ClassLoader loader,
String className,
Class<?> classBeingRedefined,
ProtectionDomain protectionDomain,
byte[] classfileBuffer)
throws IllegalClassFormatException {
// debug = className.equals ("chicory/Test");
String fullClassName = className.replace("/", ".");
debug_transform.log("In Transform: class = %s%n", className);
// Don't instrument boot classes. We only want to instrument
// user classes classpath.
// Most boot classes have the null loader,
// but some generated classes (such as those in sun.reflect) will
// have a non-null loader. Some of these have a null parent loader,
// but some do not. The check for the sun.reflect package is a hack
// to catch all of these. A more consistent mechanism to determine
// boot classes would be preferrable.
if (loader == null) {
debug_transform.log("ignoring system class %s, class loader == null", fullClassName);
return (null);
} else if (loader.getParent() == null) {
debug_transform.log("ignoring system class %s, parent loader == null\n", fullClassName);
return (null);
} else if (fullClassName.startsWith("sun.reflect")) {
debug_transform.log("ignoring system class %s, in sun.reflect package", fullClassName);
return (null);
} else if (fullClassName.startsWith("com.sun")) {
System.out.printf("Class from com.sun package %s with nonnull loaders\n", fullClassName);
}
// Don't intrument our code
if (className.startsWith("randoop.")) {
debug_transform.log("Not considering randoop class %s%n", fullClassName);
return (null);
}
// Look for match with specified regular expressions for class
method_map = null;
debug_class = false;
for (MethodMapInfo mmi : map_list) {
if (mmi.class_regex.matcher(className).matches()) {
if (false && className.startsWith("RandoopTest")) debug_class = true;
if (debug_class)
System.out.printf("Classname %s matches re %s%n", className, mmi.class_regex);
method_map = mmi.map;
break;
}
}
if (method_map == null) return null;
debug_transform.log(
"transforming class %s, loader %s - %s%n", className, loader, loader.getParent());
// Parse the bytes of the classfile, die on any errors
JavaClass c = null;
ClassParser parser = new ClassParser(new ByteArrayInputStream(classfileBuffer), className);
try {
c = parser.parse();
} catch (Exception e) {
throw new RuntimeException("Unexpected error", e);
}
try {
// Get the class information
ClassGen cg = new ClassGen(c);
ifact = new InstructionFactory(cg);
map_calls(cg, className, loader);
JavaClass njc = cg.getJavaClass();
if (debug) njc.dump("/tmp/ret/" + njc.getClassName() + ".class");
if (true) {
return (cg.getJavaClass().getBytes());
} else {
debug_transform.log("not including class %s (filtered out)", className);
return null;
}
} catch (Throwable e) {
out.format("Unexpected error %s in transform", e);
e.printStackTrace();
return (null);
}
}
/** Called by the AppletPanel to provide feedback when an exception has happened. */
protected void showAppletException(Throwable t) {
t.printStackTrace();
repaint();
}
