/*
* Copyright [2013] [Cloud4SOA, www.cloud4soa.eu]
*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package eu.cloud4soa.adapter.rest.util;
import java.lang.annotation.Annotation;
import java.lang.reflect.Field;
import java.util.Arrays;
import java.util.LinkedList;
import java.util.List;
import eu.cloud4soa.adapter.rest.aop.Ignore;
/**
*
* @author Denis Neuling (dn@cloudcontrol.de)
*/
public class ClassUtil {
@SuppressWarnings({ "rawtypes", "unchecked" })
public static <T> T getClassAnnotationValue(Class source, Class annotation, String attributeName, Class<T> expected) {
Annotation instance = source.getAnnotation(annotation);
T value = null;
if (instance != null) {
try {
value = (T) instance.annotationType().getMethod(attributeName).invoke(instance);
} catch (Exception ex) {
ex.printStackTrace();
}
}
return value;
}
@SuppressWarnings("rawtypes")
public static Field[] getAllDeclaredFields(Class<?> clazz, Comparable...exclude){
return getAllDeclaredFields(clazz, Arrays.asList(exclude));
}
@SuppressWarnings({"rawtypes" })
public static Field[] getAllDeclaredFields(Class<?> clazz, List<Comparable> exclude){
Field[] declaredFields = clazz.getDeclaredFields();
Class<?> superClass = clazz.getSuperclass();
if(superClass!=null && superClass!=Object.class){
declaredFields = ArrayUtils.concat(declaredFields, getAllDeclaredFields(superClass, exclude));
}
List<Field> asList = new LinkedList<Field>();
for(Field field : declaredFields){
// for(Object toExclude : exclude){
// if(null != field.getAnnotation(Ignore.class)){
// continue;
// }else if(toExclude instanceof String && toExclude.equals(field.getName())){
// continue;
// }
// }
if( (null!=field.getAnnotation(Ignore.class)) || exclude.contains(field.getName())){
continue;
}
asList.add(field);
}
return asList.toArray(new Field[asList.size()]);
}
public static <T> T getValueOf(String fieldName, Object reference, Class<?> referenceClazz, Class<T> valueType){
try{
Field field = referenceClazz.getDeclaredField(fieldName);
field.setAccessible(true);
@SuppressWarnings("unchecked")
T toReturn = (T) field.get(reference);
return toReturn;
}catch(Exception e){
e.printStackTrace();
return null;
}
}
}