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/*-
* ============LICENSE_START=======================================================
* ONAP-Logging
* ================================================================================
* Copyright (C) 2018 Ericsson. All rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.onap.policy.common.logging.util;
import static org.junit.Assert.fail;
import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
public class TestUtils {
/**
* Override a field.
*
* @param clazz the class the field belongs to
* @param object the instance of the class
* @param fieldName the name of the field
* @param newValue the value to set the field to
*/
public static void overrideField(@SuppressWarnings("rawtypes") final Class clazz, final Object object,
final String fieldName, final Object newValue) {
try {
final Field field = clazz.getDeclaredField(fieldName);
field.setAccessible(true);
final Field modifiersField = Field.class.getDeclaredField("modifiers");
modifiersField.setAccessible(true);
field.set(object, newValue);
} catch (final Exception e) {
fail(e.toString());
}
}
/**
* Override a static field.
*
* @param clazz the class the field belongs to
* @param fieldName the name of the field
* @param newValue the value to set the field to
*/
public static void overrideStaticField(@SuppressWarnings("rawtypes") final Class clazz, final String fieldName,
final Object newValue) {
try {
final Field field = clazz.getDeclaredField(fieldName);
field.setAccessible(true);
final Field modifiersField = Field.class.getDeclaredField("modifiers");
modifiersField.setAccessible(true);
modifiersField.setInt(field, field.getModifiers() & ~Modifier.FINAL);
field.set(null, newValue);
} catch (final Exception e) {
fail(e.toString());
}
}
}
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