Java Reflection Method Getter Get getGetter(Class clazz, String name)

Description

get Getter

License

Apache License

Declaration

public static Method getGetter(Class clazz, String name) 

Method Source Code

//package com.java2s;
/*/*ww  w.j  a  v a  2s.c  o m*/
 *
 *  Copyright 2018 FJN Corp.
 *
 *  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.
 *
 *  Author                        Date                       Issue
 *  fs1194361820@163.com          2015-01-01                 Initial Version
 *
 */

import java.lang.reflect.Method;
import java.lang.reflect.Modifier;

public class Main {
    public static Method getGetter(Class clazz, String name) {
        return getSetterOrGetter(clazz, name, false);
    }

    private static Method getSetterOrGetter(Class clazz, String name, boolean isSetter) {
        String exceptMethodName = getSetterOrGetterName(name, isSetter);

        Method[] methods = clazz.getMethods();
        if (methods != null) {
            for (Method method : methods) {
                if (method.getName().equals(exceptMethodName) && !Modifier.isAbstract(method.getModifiers())
                        && Modifier.isPublic(method.getModifiers())) {
                    return method;
                }
            }
        }
        return null;
    }

    private static String getSetterOrGetterName(String name, boolean isSetter) {
        String prefix = isSetter ? "set" : "get";
        if (name == null || name.isEmpty() || name.trim().isEmpty()) {
            return prefix;
        }
        name = name.trim();
        return prefix + ("" + name.charAt(0)).toUpperCase() + (name.length() > 1 ? name.substring(1) : "");
    }
}

Related

1. getGetter(A instance, String strAttributeName, Class clazz)
2. getGetter(Class _class, String fieldName)
3. getGetter(Class c, Field field)
4. getGetter(Class clazz, Field field)
5. getGetter(Class clazz, Field field)
6. getGetter(Class cls, String name, Class type)
7. getGetter(Class realClass, String pAttributeName)