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 package org.crsh.shell.impl.command; 020 021 import org.crsh.command.InvocationContext; 022 023 /** 024 * @author Julien Viet 025 */ 026 public abstract class AbstractInvocationContext<P> implements InvocationContext<P> { 027 028 /** 029 * Implement the <code><<</code> operator for Groovy. 030 * 031 * @param o the object 032 * @return this invocation context 033 * @throws Exception any exception 034 */ 035 public final AbstractInvocationContext<P> leftShift(Object o) throws Exception { 036 Class<P> consumedType = getConsumedType(); 037 if (consumedType.isInstance(o)) { 038 P p = consumedType.cast(o); 039 provide(p); 040 } 041 return this; 042 } 043 }