Find field 2 : Field « Reflection « Java

1. Java
2. Reflection
3. Field

Find field 2

      

import java.lang.reflect.Field;


public class Util{

  
  /**
   * @param clz
   * @param expression
   * @return introspected field
   */
  public static Field findField(Class<?> clz, String expression) {
    Field field = null;
    try {
      field = clz.getField(expression);
    } catch (Exception e) {
      Class<?> tmp = clz;
      while(tmp != null && tmp != Object.class) {
        Field[] fields = tmp.getDeclaredFields();
        for (int i = 0; i < fields.length; i++) {
          if(fields[i].getName().equals(expression)) {
            fields[i].setAccessible(true);
            return fields[i];
          }
        }
        tmp = tmp.getSuperclass();
      }
    }
    return field;
  }
  
}

   
    
    
    
    
    
  

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