static byte[] getBData(KeyEvent e) {
try {
if (bdataField == null) {
bdataField = SunToolkit.getField(java.awt.AWTEvent.class, "bdata");
}
return (byte[]) bdataField.get(e);
} catch (IllegalAccessException ex) {
return null;
}
}
public Object getChild(Object parent, int index) {
ArrayList<Field> fields = ((Variable) parent).getFields();
Field f = (Field) fields.get(index);
Object parentValue = ((Variable) parent).getValue();
try {
return new Variable(f.getType(), f.getName(), f.get(parentValue));
} catch (IllegalAccessException e) {
return null;
}
}
private static void netxsurgery() throws Exception {
/* Force off NetX codebase classloading. */
Class<?> nxc;
try {
nxc = Class.forName("net.sourceforge.jnlp.runtime.JNLPClassLoader");
} catch (ClassNotFoundException e1) {
try {
nxc = Class.forName("netx.jnlp.runtime.JNLPClassLoader");
} catch (ClassNotFoundException e2) {
throw (new Exception("No known NetX on classpath"));
}
}
ClassLoader cl = MainFrame.class.getClassLoader();
if (!nxc.isInstance(cl)) {
throw (new Exception("Not running from a NetX classloader"));
}
Field cblf, lf;
try {
cblf = nxc.getDeclaredField("codeBaseLoader");
lf = nxc.getDeclaredField("loaders");
} catch (NoSuchFieldException e) {
throw (new Exception("JNLPClassLoader does not conform to its known structure"));
}
cblf.setAccessible(true);
lf.setAccessible(true);
Set<Object> loaders = new HashSet<Object>();
Stack<Object> open = new Stack<Object>();
open.push(cl);
while (!open.empty()) {
Object cur = open.pop();
if (loaders.contains(cur)) continue;
loaders.add(cur);
Object curl;
try {
curl = lf.get(cur);
} catch (IllegalAccessException e) {
throw (new Exception("Reflection accessibility not available even though set"));
}
for (int i = 0; i < Array.getLength(curl); i++) {
Object other = Array.get(curl, i);
if (nxc.isInstance(other)) open.push(other);
}
}
for (Object cur : loaders) {
try {
cblf.set(cur, null);
} catch (IllegalAccessException e) {
throw (new Exception("Reflection accessibility not available even though set"));
}
}
}
public void vec2FieldMagnitude(Field field, AffineTransform ftoi) {
AffineTransform itof = null;
try {
itof = ftoi.createInverse();
} catch (NoninvertibleTransformException niv) {
TDebug.println(0, "NoninvertibleTransformException: " + niv);
}
Vector3d v = new Vector3d();
Point2D.Double p = new Point2D.Double();
for (int j = 0, k = 0; j < height; ++j)
for (int i = 0; i < width; ++i, ++k) {
p.x = i;
p.y = j;
itof.transform(p, p);
v = field.get(p.x, p.y, 0.0);
f[k] = (float) Math.sqrt(v.x * v.x + v.y * v.y);
}
}
private MutableTreeNode populateAttributes(CavityDBObject obj) {
DefaultMutableTreeNode tree = new DefaultMutableTreeNode("attrs");
Class cls = obj.getClass();
for (Field f : cls.getFields()) {
int mod = f.getModifiers();
if (Modifier.isPublic(mod) && !Modifier.isStatic(mod)) {
String fieldName = f.getName();
try {
Object value = f.get(obj);
tree.add(
new DefaultMutableTreeNode(String.format("%s=%s", fieldName, String.valueOf(value))));
} catch (IllegalAccessException e) {
// do nothing.
}
}
}
return tree;
}
public void vec2FieldZero(Field field, AffineTransform ftoi) {
AffineTransform itof = null;
try {
itof = ftoi.createInverse();
} catch (NoninvertibleTransformException niv) {
TDebug.println(0, "NoninvertibleTransformException: " + niv);
}
Vector3d v = new Vector3d();
Point2D.Double p = new Point2D.Double();
for (int j = 0, k = 0; j < height; ++j)
for (int i = 0; i < width; ++i, ++k) {
p.x = i;
p.y = j;
itof.transform(p, p);
v = field.get(p.x, p.y, 0.0);
if ((v.x == 0.0) && (v.y == 0.0)) f[k] = 1.0f;
else f[k] = 0.0f;
}
}