/* * (C) 2007-2012 Alibaba Group Holding Limited. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * Authors: * wuhua <wq163@163.com> , boyan <killme2008@gmail.com> */ package com.taobao.metamorphosis.tools.shell; import java.io.PrintStream; import java.io.PrintWriter; /** * �������С���� * * @author �޻� * @since 2011-8-23 ����3:44:25 */ public abstract class ShellTool { protected PrintWriter out; final static protected String METACONFIG_NAME = "com.taobao.metamorphosis.server.utils:type=MetaConfig,*"; public ShellTool(PrintWriter out) { this.out = out; } public ShellTool(PrintStream out) { this.out = new PrintWriter(out); } /** ��������� */ abstract public void doMain(String[] args) throws Exception; protected void println(String x) { if (this.out != null) { this.out.println(x); this.out.flush(); } else { System.out.println(x); } } }