/** Return the control based on a control type for the PlugIn. */
public Object getControl(String controlType) {
try {
Class cls = Class.forName(controlType);
Object cs[] = getControls();
for (int i = 0; i < cs.length; i++) {
if (cls.isInstance(cs[i])) return cs[i];
}
return null;
} catch (Exception e) { // no such controlType or such control
return null;
}
}
static {
// 1) Need JDK1.2 or higher. 2) JAI should have been installed
if (!JMFSecurityManager.isJDK12()) {
throw new UnsatisfiedLinkError("Fatal Error: JAI Effects need JDK1.2 or higher VM");
}
try {
Class.forName("javax.media.jai.PlanarImage");
} catch (ClassNotFoundException e) {
throw new UnsatisfiedLinkError("Fatal Error: JAI classes are not present");
}
}