1 /*
   2  * Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package test.com.sun.javafx.test.binding;
  27 
  28 import java.lang.reflect.InvocationTargetException;
  29 import java.lang.reflect.Method;
  30 
  31 public final class ReflectionHelper {
  32     private ReflectionHelper() {
  33     }
  34 
  35     public static Class<?> classForName(final String className) {
  36         try {
  37             return Class.forName(className);
  38         } catch (final ClassNotFoundException e) {
  39             throw convertToRuntimeException(e);
  40         }
  41     }
  42 
  43     public static Object newInstance(final Class<?> cls) {
  44         try {
  45             return cls.newInstance();
  46         } catch (final InstantiationException e) {
  47             throw convertToRuntimeException(e);
  48         } catch (final IllegalAccessException e) {
  49             throw convertToRuntimeException(e);
  50         }
  51     }
  52 
  53     public static Method getMethod(final Class<?> cls,
  54                                    final String methodName,
  55                                    final Class<?>... parameterTypes) {
  56         try {
  57             return cls.getMethod(methodName, parameterTypes);
  58         } catch (final NoSuchMethodException e) {
  59             throw convertToRuntimeException(e);
  60         } catch (final SecurityException e) {
  61             throw convertToRuntimeException(e);
  62         }
  63     }
  64 
  65     public static Object invokeMethod(final Object object,
  66                                       final Method method,
  67                                       final Object... args) {
  68         try {
  69             return method.invoke(object, args);
  70         } catch (final IllegalAccessException e) {
  71             throw convertToRuntimeException(e);
  72         } catch (final IllegalArgumentException e) {
  73             throw convertToRuntimeException(e);
  74         } catch (final InvocationTargetException e) {
  75             throw convertToRuntimeException(e);
  76         }
  77     }
  78 
  79     private static RuntimeException convertToRuntimeException(
  80             final Exception e) {
  81         return new RuntimeException(e);
  82     }
  83 }