org.modelmapper.internal.util.Members Maven / Gradle / Ivy
/*
* Copyright 2014 the original author or authors.
*
* Licensed 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 org.modelmapper.internal.util;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.util.Arrays;
/**
* Utilities for working with members.
*
* @author Jonathan Halterman
*/
public final class Members {
private Members() {}
public static Method methodFor(Class type, String methodName, Class... parameterTypes) {
if (type == null)
return null;
for (Method method : type.getDeclaredMethods())
if (!method.isBridge()
&& !method.isSynthetic()
&& method.getName().equals(methodName)
&& ((parameterTypes == null && method.getParameterTypes().length == 0) || Arrays.equals(
method.getParameterTypes(), parameterTypes)))
return method;
for (Class interfaze : type.getInterfaces()) {
Method result = methodFor(interfaze, methodName, parameterTypes);
if (result != null)
return result;
}
return methodFor(type.getSuperclass(), methodName, parameterTypes);
}
public static Field fieldFor(Class type, String fieldName) {
while (type != null) {
for (Field field : type.getDeclaredFields())
if (field.getName().equals(fieldName))
return field;
type = type.getSuperclass();
}
return null;
}
}