Java Reflection Field Find findField(Class objectClass, String fieldName)

Description

find Field

License

Apache License

Declaration

private static Field findField(Class objectClass, String fieldName) 

Method Source Code

//package com.java2s;
// Licensed under the Apache License, Version 2.0 (the "License");

import java.lang.reflect.Field;

public class Main {
    private static Field findField(Class objectClass, String fieldName) {

        Class cursor = objectClass;

        while (cursor != null) {
            try {
                return cursor.getDeclaredField(fieldName);
            } catch (NoSuchFieldException ex) {
                // Ignore.
            }/* ww  w.  j a  v a  2  s . c  o m*/

            cursor = cursor.getSuperclass();
        }

        throw new RuntimeException(
                String.format("Class %s does not contain a field named '%s'.", objectClass.getName(), fieldName));
    }
}

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6. findField(Class type, String fieldName)
7. findField(Class c, String name)
8. findField(Class c, String property, Class propertyType)
9. findField(Class cl, String fieldName)