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/*-
* ============LICENSE_START=======================================================
* ONAP : APPC
* ================================================================================
* Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Copyright (c) 2007 Mockito contributors
* =============================================================================
* 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.
*
* ECOMP is a trademark and service mark of AT&T Intellectual Property.
* ============LICENSE_END=========================================================
*/
package org.onap.appc.provider;
import java.lang.reflect.Field;
public class Whitebox {
public static Object getInternalState(Object target, String field) {
Class<?> c = target.getClass();
try {
Field f = getFieldFromHierarchy(c, field);
f.setAccessible(true);
return f.get(target);
} catch (Exception e) {
throw new RuntimeException("Unable to get internal state on a private field. Please report to mockito mailing list.", e);
}
}
public static void setInternalState(Object target, String field, Object value) {
Class<?> c = target.getClass();
try {
Field f = getFieldFromHierarchy(c, field);
f.setAccessible(true);
f.set(target, value);
} catch (Exception e) {
throw new RuntimeException("Unable to set internal state on a private field. Please report to mockito mailing list.", e);
}
}
private static Field getFieldFromHierarchy(Class<?> clazz, String field) {
Field f = getField(clazz, field);
while (f == null && clazz != Object.class) {
clazz = clazz.getSuperclass();
f = getField(clazz, field);
}
if (f == null) {
throw new RuntimeException(
"You want me to get this field: '" + field +
"' on this class: '" + clazz.getSimpleName() +
"' but this field is not declared withing hierarchy of this class!");
}
return f;
}
private static Field getField(Class<?> clazz, String field) {
try {
return clazz.getDeclaredField(field);
} catch (NoSuchFieldException e) {
return null;
}
}
}
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