001 /* 002 * Copyright (C) 2003-2009 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.util; 020 021 import java.io.Closeable; 022 import java.io.IOException; 023 import java.net.Socket; 024 025 /** 026 * @author <a href="mailto:julien.viet@exoplatform.com">Julien Viet</a> 027 * @version $Revision$ 028 */ 029 public class Safe { 030 031 public static void close(Socket socket) { 032 if (socket != null) { 033 try { 034 socket.close(); 035 } 036 catch (IOException ignore) { 037 } 038 } 039 } 040 041 public static void close(Closeable closeable) { 042 if (closeable != null) { 043 try { 044 closeable.close(); 045 } 046 catch (IOException ignore) { 047 } 048 } 049 } 050 051 public static <T extends Throwable> void rethrow(Class<T> throwableClass, Throwable cause) throws T { 052 T throwable; 053 054 // 055 try { 056 throwable = throwableClass.newInstance(); 057 } 058 catch (Exception e) { 059 throw new AssertionError(e); 060 } 061 062 // 063 throwable.initCause(cause); 064 065 // 066 throw throwable; 067 } 068 }