/*
 * Copyright (c) 2010-2012 Grid Dynamics Consulting Services, Inc, All Rights Reserved
 * http://www.griddynamics.com
 *
 * This library is free software; you can redistribute it and/or modify it under the terms of
 * the Apache License; either
 * version 2.0 of the License, or any later version.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package com.griddynamics.jagger.engine.e1.scenario;

import com.griddynamics.jagger.coordinator.NodeContext;

import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;

public class ReflectionProvider<T extends KernelSideObject> implements KernelSideObjectProvider<T> {
    private Class<T> clazz;

    public static <T extends KernelSideObject> ReflectionProvider ofClass(Class<T> clazz) {
        ReflectionProvider result = new ReflectionProvider();
        result.setClazz(clazz);
        return result;
    }

    @Override
    public T provide(String sessionId, String taskId, NodeContext kernelContext) {
        return instance(clazz, sessionId, taskId, kernelContext);
    }

    private T instance(Class<T> clazz, String sessionId, String taskId, NodeContext kernelContext) {
        T result;
        try {
            Constructor<T> constructor = clazz.getConstructor(String.class, String.class, NodeContext.class);
            result = constructor.newInstance(sessionId, taskId, kernelContext);
        } catch (NoSuchMethodException e) {
            throw new RuntimeException(e);
        } catch (InvocationTargetException e) {
            throw new RuntimeException(e);
        } catch (InstantiationException e) {
            throw new RuntimeException(e);
        } catch (IllegalAccessException e) {
            throw new RuntimeException(e);
        }
        return result;
    }

    public void setClazz(Class<T> clazz) {
        this.clazz = clazz;
    }

    @Override
    public String toString() {
        return "ReflectionProvider{" +
                "clazz=" + clazz +
                '}';
    }
}