/**
 * This file Copyright (c) 2011-2012 Magnolia International
 * Ltd.  (http://www.magnolia-cms.com). All rights reserved.
 *
 *
 * This file is dual-licensed under both the Magnolia
 * Network Agreement and the GNU General Public License.
 * You may elect to use one or the other of these licenses.
 *
 * This file is distributed in the hope that it will be
 * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
 * implied warranty of MERCHANTABILITY or FITNESS FOR A
 * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
 * Redistribution, except as permitted by whichever of the GPL
 * or MNA you select, is prohibited.
 *
 * 1. For the GPL license (GPL), you can redistribute and/or
 * modify this file under the terms of the GNU General
 * Public License, Version 3, as published by the Free Software
 * Foundation.  You should have received a copy of the GNU
 * General Public License, Version 3 along with this program;
 * if not, write to the Free Software Foundation, Inc., 51
 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * 2. For the Magnolia Network Agreement (MNA), this file
 * and the accompanying materials are made available under the
 * terms of the MNA which accompanies this distribution, and
 * is available at http://www.magnolia-cms.com/mna.html
 *
 * Any modifications to this file must keep this entire header
 * intact.
 *
 */
package info.magnolia.objectfactory;

import java.lang.annotation.Annotation;
import java.lang.reflect.Constructor;
import java.lang.reflect.Type;

/**
 * Holds details about a constructors parameter.
 *
 * @see ParameterResolver
 * @version $Id$
 */
public class ParameterInfo {

    private Constructor constructor;
    private int parameterIndex;
    private Class<?> parameterType;
    private Type genericParameterType;

    public ParameterInfo(Constructor constructor, int parameterIndex) {
        this.constructor = constructor;
        this.parameterIndex = parameterIndex;
        this.parameterType = constructor.getParameterTypes()[parameterIndex];
        this.genericParameterType = constructor.getGenericParameterTypes()[parameterIndex];
    }

    public Class<?> getDeclaringClass() {
        return constructor.getDeclaringClass();
    }

    public Constructor getConstructor() {
        return constructor;
    }

    public int getParameterIndex() {
        return parameterIndex;
    }

    public Class<?> getParameterType() {
        return parameterType;
    }

    public Type getGenericParameterType() {
        return genericParameterType;
    }

    public Annotation[] getParameterAnnotations() {
        return constructor.getParameterAnnotations()[parameterIndex];
    }
}