- /**
- * Returns the accessor for a given annotation.
- *
- * @param aClass
- * Class to analyse.
- * @param aAnnotation
- * Annotation that must be present.
- * @return Accessor to use or null if the annotation is not present.
- */
- // TODO move generic analysis part to the reflection package.
- public static Accessor analyse(Class aClass,
- Class<? extends Annotation> aAnnotation) {
- List<Field> fields = ReflectionUtils.getAllFields(aClass);
- for (Field field : fields) {
- if (field.isAnnotationPresent(aAnnotation)) {
- return new FieldAccessor(field);
- }
- }
- List<Method> methods = ReflectionUtils.getAllMethods(aClass,
- Object.class);
- for (Method method : methods) {
- if (method.isAnnotationPresent(aAnnotation)) {
- String setterName = null;
- if (method.getName().startsWith("get")) {
- setterName = method.getName().replaceFirst("get", "set");
- } else if (method.getName().startsWith("is")) {
- setterName = method.getName().replaceFirst("is", "set");
- }
- try {
- Class returnType = method.getReturnType();
- Method setter = method.getDeclaringClass()
- .getDeclaredMethod(setterName, returnType);
- return new PropertyAccessor(method, setter);
- } catch (NoSuchMethodException e) {
- throw new RuntimeException("Error obtaining setter for " +
- method.getName() + " in class " + aClass.getName(), e);
- }
- }
- }
- return null;
- }
-