001/* 002 * (C) Copyright 2006-2010 Nuxeo SAS (http://nuxeo.com/) and contributors. 003 * 004 * All rights reserved. This program and the accompanying materials 005 * are made available under the terms of the GNU Lesser General Public License 006 * (LGPL) version 2.1 which accompanies this distribution, and is available at 007 * http://www.gnu.org/licenses/lgpl.html 008 * 009 * This library 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 * Contributors: 015 * bstefanescu 016 */ 017package org.nuxeo.shell; 018 019import java.util.ArrayList; 020import java.util.List; 021 022/** 023 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a> 024 */ 025public class CompositeValueAdapter implements ValueAdapter { 026 027 protected List<ValueAdapter> adapters = new ArrayList<ValueAdapter>(); 028 029 public List<ValueAdapter> getAdapters() { 030 return adapters; 031 } 032 033 public void addAdapter(ValueAdapter adapter) { 034 adapters.add(adapter); 035 } 036 037 public void removeAdapter(ValueAdapter adapter) { 038 adapters.remove(adapter); 039 } 040 041 public <T> T getValue(Shell shell, Class<T> type, String value) { 042 for (ValueAdapter adapter : adapters) { 043 T result = adapter.getValue(shell, type, value); 044 if (result != null) { 045 return result; 046 } 047 } 048 throw new ShellException("Unknown type adapter for: " + type); 049 } 050 051}