001    /*
002     * Created on May 27, 2007
003     *
004     * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
005     * the License. You may obtain a copy of the License at
006     *
007     * http://www.apache.org/licenses/LICENSE-2.0
008     *
009     * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
010     * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
011     * specific language governing permissions and limitations under the License.
012     *
013     * Copyright @2007-2010 the original author or authors.
014     */
015    package org.fest.swing.annotation;
016    
017    import java.lang.reflect.AnnotatedElement;
018    import java.lang.reflect.Method;
019    
020    /**
021     * Understands utility methods related to GUI tests. A GUI test is a class or method annotated with
022     * <code>{@link org.fest.swing.annotation.GUITest}</code>.
023     *
024     * @author Alex Ruiz
025     */
026    public final class GUITestFinder {
027    
028      /**
029       * Returns <code>true</code> if the given class and/or method are annotated with <code>{@link GUITest}</code>. This
030       * method also searches in super-classes and overridden methods.
031       * @param type the class to check.
032       * @param method the method to check.
033       * @return <code>true</code> if the given class and/or method are annotated with <code>{@link GUITest}</code>.
034       */
035      public static boolean isGUITest(Class<?> type, Method method) {
036        return isGUITest(type) || isGUITest(method) || isSuperClassGUITest(type, method);
037      }
038    
039      private static boolean isSuperClassGUITest(Class<?> type, Method method) {
040        Class<?> superclass = type.getSuperclass();
041        while (superclass != null) {
042          if (isGUITest(superclass)) return true;
043          Method overriden = method(superclass, method.getName(), method.getParameterTypes());
044          if (overriden != null && isGUITest(overriden)) return true;
045          superclass = superclass.getSuperclass();
046        }
047        return false;
048      }
049    
050      private static Method method(Class<?> type, String methodName, Class<?>[] parameterTypes) {
051          try {
052            return type.getDeclaredMethod(methodName, parameterTypes);
053          } catch (SecurityException e) {
054            return null;
055          } catch (NoSuchMethodException e) {
056            return null;
057          } catch (RuntimeException e) {
058            return null;
059          }
060      }
061    
062      private static boolean isGUITest(AnnotatedElement annotatedElement) {
063        return annotatedElement.isAnnotationPresent(GUITest.class);
064      }
065    
066      private GUITestFinder() {}
067    }