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A Liquibase extension that makes use of the percona toolkit

There is a newer version: 4.29.2

package liquibase.ext.percona;

/*
 * 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.
 */

import liquibase.exception.UnexpectedLiquibaseException;

import java.lang.reflect.Field;
import java.lang.reflect.Method;

class ReflectionUtils {

    static Class findClass(ClassLoader loader, String ... names) {
        for (String clazzName : names) {
            Class clazz = loadClass(clazzName, loader);
            if (clazz != null) {
                return clazz;
            }
        }
        return null;
    }

    static Class loadClass(String name, ClassLoader loader) {
        try {
            return loader.loadClass(name);
        } catch (ClassNotFoundException e) {
            return null;
        }
    }

    static  T invokeMethod(String className, Object instance, String methodName) {
        Class clazz = loadClass(className, instance.getClass().getClassLoader());
        return invokeMethod(clazz, instance, methodName);
    }

    static  T invokeMethod(Class clazz, Object instance, String methodName) {
        try {
            if (clazz != null && clazz.isInstance(instance)) {
                Method method = findMethod(clazz, methodName);
                method.setAccessible(true);

                @SuppressWarnings("unchecked")
                T result = (T) method.invoke(instance);
                return result;
            }
            return null;
        } catch (Exception e) {
            throw new UnexpectedLiquibaseException(e);
        }
    }

    static Method findMethod(Class clazz, String name) throws NoSuchMethodException, SecurityException {
        try {
            return clazz.getMethod(name);
        } catch (NoSuchMethodException e) {
            return clazz.getDeclaredMethod(name);
        }
    }

    static  T readField(Class clazz, Object instance, String name) throws NoSuchFieldException, SecurityException, IllegalArgumentException, IllegalAccessException {
        Field field = clazz.getDeclaredField(name);
        field.setAccessible(true);

        @SuppressWarnings("unchecked")
        T result = (T) field.get(instance);
        return result;
    }
}