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Service providers for jmockring: * Include this as dependency to activate dynamic providers discovery, * Currently used for: 1) Choosing mocking provider based on available providers on project classpath 2) Creating and injecting HTTP clients in test classes

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/*
 * Copyright (c) 2013, Pavel Lechev
 *    All rights reserved.
 *
 *    Redistribution and use in source and binary forms, with or without modification,
 *    are permitted provided that the following conditions are met:
 *
 *     1) Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
 *     2) Redistributions in binary form must reproduce the above copyright notice,
 *        this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
 *     3) Neither the name of the Pavel Lechev nor the names of its contributors may be used to endorse or promote
 *        products derived from this software without specific prior written permission.
 *
 *    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 HOLDER 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 org.jmockring.spi;

import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * @author Pavel Lechev
 * @version 0.0.1
 * @date 03/03/13
 */
public class ExecutionHandler {

    private static final Logger log = LoggerFactory.getLogger(ExecutionHandler.class);

    private final Object instance;

    private final Method method;

    public ExecutionHandler(Object instance, Method method) {
        this.instance = instance;
        this.method = method;
    }

    public Object execute(Object... args) {
        try {
            if (method.getParameterTypes().length == 1 && method.getParameterTypes()[0].isArray()) {
                return method.invoke(instance, new Object[]{args});
            }
            return method.invoke(instance, args);
        } catch (IllegalAccessException e) {
            throw new RuntimeException(e);
        } catch (InvocationTargetException e) {
            throw new RuntimeException(e);
        } catch (Exception e) {
            log.error("LOG00020:", e);
        }
        return null;
    }


    @Override
    public String toString() {
        final StringBuilder sb = new StringBuilder(super.toString());
        sb.append("ExecutionHandler");
        sb.append("{\ninstance=").append(instance != null ? instance.getClass().getSimpleName() : null);
        sb.append(",\nmethod=").append(method.getName());
        sb.append("\n}");
        return sb.toString();
    }
}