/* * Copyright (c) 1995 - 2008 Sun Microsystems, Inc.  All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * *   - Redistributions of source code must retain the above copyright *     notice, this list of conditions and the following disclaimer. * *   - Redistributions in binary form must reproduce the above copyright *     notice, this list of conditions and the following disclaimer in the *     documentation and/or other materials provided with the distribution. * *   - Neither the name of Sun Microsystems nor the names of its *     contributors may be used to endorse or promote products derived *     from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ import java.lang.reflect.InvocationTargetException;import java.lang.reflect.Method;import java.lang.reflect.Type;import java.util.Locale;import static java.lang.System.out;import static java.lang.System.err;public class Deet<T> {    private boolean testDeet(Locale l) {	// getISO3Language() may throw a MissingResourceException	out.format("Locale = %s, ISO Language Code = %s%n", l.getDisplayName(), l.getISO3Language());	return true;    }    private int testFoo(Locale l) { return 0; }    private boolean testBar() { return true; }    public static void main(String... args) {	if (args.length != 4) {	    err.format("Usage: java Deet <classname> <langauge> <country> <variant>%n");	    return;	}	try {	    Class<?> c = Class.forName(args[0]);	    Object t = c.newInstance();	    Method[] allMethods = c.getDeclaredMethods();	    for (Method m : allMethods) {		String mname = m.getName();		if (!mname.startsWith("test")		    || (m.getGenericReturnType() != boolean.class)) {		    continue;		} 		Type[] pType = m.getGenericParameterTypes(); 		if ((pType.length != 1)		    || Locale.class.isAssignableFrom(pType[0].getClass())) { 		    continue; 		}		out.format("invoking %s()%n", mname);		try {		    m.setAccessible(true);		    Object o = m.invoke(t, new Locale(args[1], args[2], args[3]));		    out.format("%s() returned %b%n", mname, (Boolean) o);		// Handle any exceptions thrown by method to be invoked.		} catch (InvocationTargetException x) {		    Throwable cause = x.getCause();		    err.format("invocation of %s failed: %s%n",			       mname, cause.getMessage());		}	    }        // production code should handle these exceptions more gracefully	} catch (ClassNotFoundException x) {	    x.printStackTrace();	} catch (InstantiationException x) {	    x.printStackTrace();	} catch (IllegalAccessException x) {	    x.printStackTrace();	}    }}