Java Reflection Method Getter Get getGetterMethod(Class clazz, String fieldName)

Description

get Getter Method

License

Apache License

Declaration

static Method getGetterMethod(Class<?> clazz, String fieldName) 

Method Source Code

//package com.java2s;
/*/*from  w  ww.j ava  2s.  c  om*/
 * Copyright 2002-2016 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.
 */

import java.lang.reflect.Field;

import java.lang.reflect.Method;

public class Main {
    static Method getGetterMethod(Class<?> clazz, String fieldName) {
        String methodName = "get" + fieldName.substring(0, 1).toUpperCase() + fieldName.substring(1);
        try {
            return getInheritMethod(clazz, methodName, new Class<?>[] {});
        } catch (NoSuchMethodException e) {
            throw new RuntimeException(e);
        }
    }

    static Method getGetterMethod(Class<?> clazz, Field field) {
        return getGetterMethod(clazz, field.getName());
    }

    static Method getInheritMethod(Class<?> clazz, String methodName, Class<?>... parameterTypes)
            throws NoSuchMethodException {
        try {
            return clazz.getDeclaredMethod(methodName, parameterTypes);
        } catch (NoSuchMethodException e) {
            Class<?> superClass = clazz.getSuperclass();
            if (superClass != null && superClass != Object.class) {
                return getInheritMethod(superClass, methodName, parameterTypes);
            } else {
                throw e;
            }
        }
    }
}

Related

1. getGetterFromProperty(Class clazz, String property)
2. getGetterMethod(Class containingClass, String propertyName)
3. getGetterMethod(Class type, String property)
4. getGetterMethod(Class beanClass, String property)
5. getGetterMethod(Class c, String field)
6. getGetterMethod(Class clazz, String methodNameWithoutGetPrefix)
7. getGetterMethod(Class clazz, String name)
8. getGetterMethod(Class clazz, String propertyName)
9. getGetterMethod(String getterName, Object bean, Class returnType)