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"); } }
/** 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; } }