001/*
002 * Copyright (C) 2012 eXo Platform SAS.
003 *
004 * This is free software; you can redistribute it and/or modify it
005 * under the terms of the GNU Lesser General Public License as
006 * published by the Free Software Foundation; either version 2.1 of
007 * the License, or (at your option) any later version.
008 *
009 * This software is distributed in the hope that it will be useful,
010 * but WITHOUT ANY WARRANTY; without even the implied warranty of
011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
012 * Lesser General Public License for more details.
013 *
014 * You should have received a copy of the GNU Lesser General Public
015 * License along with this software; if not, write to the Free
016 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
017 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
018 */
019
020package org.crsh.cli.impl.invocation;
021
022import org.crsh.cli.SyntaxException;
023
024import java.lang.reflect.Type;
025
026/** @author <a href="mailto:julien.viet@exoplatform.com">Julien Viet</a> */
027public abstract class CommandInvoker<C, V> {
028
029  public abstract InvocationMatch<C> getMatch();
030
031  public abstract Class<V> getReturnType();
032
033  public abstract Type getGenericReturnType();
034
035  public abstract Class<?>[] getParameterTypes();
036
037  public abstract Type[] getGenericParameterTypes();
038
039  public final V invoke(C command) throws InvocationException, SyntaxException {
040    return invoke(Resolver.EMPTY, command);
041  }
042
043  public abstract V invoke(Resolver resolver, C command) throws InvocationException, SyntaxException;
044
045}