Here you can find the source of findField(Class type, String fieldName)
Parameter | Description |
---|---|
type | Class in which to search for the given field. |
fieldName | Name of the field for which to search. |
public static Field findField(Class type, String fieldName)
//package com.java2s; /*// w w w . j ava 2 s. co m * Copyright 2012-2016 Broad Institute, Inc. * * Permission is hereby granted, free of charge, to any person * obtaining a copy of this software and associated documentation * files (the "Software"), to deal in the Software without * restriction, including without limitation the rights to use, * copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following * conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ import java.lang.reflect.*; public class Main { /** * Find the field with the given name in the class. Will inspect all fields, independent * of access level. * @param type Class in which to search for the given field. * @param fieldName Name of the field for which to search. * @return The field, or null if no such field exists. */ public static Field findField(Class type, String fieldName) { while (type != null) { Field[] fields = type.getDeclaredFields(); for (Field field : fields) { if (field.getName().equals(fieldName)) return field; } type = type.getSuperclass(); } return null; } }