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    
020    package org.crsh.cli.impl.invocation;
021    
022    import org.crsh.cli.SyntaxException;
023    
024    import java.lang.reflect.Type;
025    
026    /** @author <a href="mailto:julien.viet@exoplatform.com">Julien Viet</a> */
027    public abstract class CommandInvoker<C> {
028    
029      public abstract Class<?> getReturnType();
030    
031      public abstract Type getGenericReturnType();
032    
033      public abstract Class<?>[] getParameterTypes();
034    
035      public abstract Type[] getGenericParameterTypes();
036    
037      public final Object invoke(C command) throws InvocationException, SyntaxException {
038        return invoke(Resolver.EMPTY, command);
039      }
040    
041      public abstract Object invoke(Resolver resolver, C command) throws InvocationException, SyntaxException;
042    
043    }