1 /* 2 * Copyright (c) 2007 Mockito contributors 3 * This program is made available under the terms of the MIT License. 4 */ 5 package org.mockito.internal.util.reflection; 6 7 import java.lang.reflect.Field; 8 9 public class Whitebox { 10 11 public static Object getInternalState(Object target, String field) { 12 Class<?> c = target.getClass(); 13 try { 14 Field f = getFieldFromHierarchy(c, field); 15 f.setAccessible(true); 16 return f.get(target); 17 } catch (Exception e) { 18 throw new RuntimeException("Unable to set internal state on a private field. Please report to mockito mailing list.", e); 19 } 20 } 21 22 public static void setInternalState(Object target, String field, Object value) { 23 Class<?> c = target.getClass(); 24 try { 25 Field f = getFieldFromHierarchy(c, field); 26 f.setAccessible(true); 27 f.set(target, value); 28 } catch (Exception e) { 29 throw new RuntimeException("Unable to set internal state on a private field. Please report to mockito mailing list.", e); 30 } 31 } 32 33 private static Field getFieldFromHierarchy(Class<?> clazz, String field) { 34 Field f = getField(clazz, field); 35 while (f == null && clazz != Object.class) { 36 clazz = clazz.getSuperclass(); 37 f = getField(clazz, field); 38 } 39 if (f == null) { 40 throw new RuntimeException( 41 "You want me to set value to this field: '" + field + 42 "' on this class: '" + clazz.getSimpleName() + 43 "' but this field is not declared withing hierarchy of this class!"); 44 } 45 return f; 46 } 47 48 private static Field getField(Class<?> clazz, String field) { 49 try { 50 return clazz.getDeclaredField(field); 51 } catch (NoSuchFieldException e) { 52 return null; 53 } 54 } 55 }
