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/* Copyright (c) 2006 Pyxis Technologies inc.
 * 
 * This is free software; you can redistribute it and/or modify it under the
 * terms of the GNU General Public License as published by the Free Software
 * Foundation; either version 2 of the License, or (at your option) any later
 * version.
 * 
 * This software is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc., 51
 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA, or see the FSF site:
 * http://www.fsf.org. */
package info.novatec.testit.livingdoc.reflect;

import static info.novatec.testit.livingdoc.util.LoggerConstants.LOG_ERROR;

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

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

import info.novatec.testit.livingdoc.TypeConversion;


public class StaticInvocation extends Message {
    private static final Logger LOG = LoggerFactory.getLogger(StaticInvocation.class);

    private final Object target;
    private final Method method;

    public StaticInvocation(Object target, Method method) {
        super();

        this.target = target;
        this.method = method;
    }

    @Override
    public int getArity() {
        return method.getParameterTypes().length;
    }

    @Override
    public Object send(String... args) throws IllegalAccessException, IllegalArgumentException,
        SystemUnderDevelopmentException {
        try {
            return method.invoke(target, convert(args));
        } catch (InvocationTargetException e) {
            LOG.error(LOG_ERROR, e);
            throw new SystemUnderDevelopmentException(e.getCause());
        }
    }

    private Object[] convert(String... args) {
        assertArgumentsCount(args);
        return TypeConversion.convert(args, method.getParameterTypes());
    }
}