/*
 * Copyright (c) 2010, Michael Grossmann
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 * * 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.
 * * Neither the name of the jo-widgets.org 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 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 org.jowidgets.impl.base.blueprint.proxy.internal;

import java.lang.reflect.Method;

public class MethodKey {

    private final Method method;

    public MethodKey(final Method method) {
        super();
        this.method = method;
    }

    public Method getMethod() {
        return method;
    }

    @Override
    public boolean equals(final Object obj) {
        if (obj != null && obj instanceof MethodKey) {
            final MethodKey other = (MethodKey) obj;
            if (((method.getName() == other.getMethod().getName()))) {
                if (!method.getReturnType().equals(other.getMethod().getReturnType())) {
                    return false;
                }
                final Class<?>[] params1 = method.getParameterTypes();
                final Class<?>[] params2 = other.getMethod().getParameterTypes();
                if (params1.length == params2.length) {
                    for (int i = 0; i < params1.length; i++) {
                        if (params1[i] != params2[i]) {
                            return false;
                        }
                    }
                    return true;
                }
            }
        }
        return false;
    }

    @Override
    public int hashCode() {
        return method.getName().hashCode();
    }

}