001/* 002 * HA-JDBC: High-Availability JDBC 003 * Copyright (C) 2012 Paul Ferraro 004 * 005 * This program is free software: you can redistribute it and/or modify 006 * it under the terms of the GNU Lesser General Public License as published by 007 * the Free Software Foundation, either version 3 of the License, or 008 * (at your option) any later version. 009 * 010 * This program is distributed in the hope that it will be useful, 011 * but WITHOUT ANY WARRANTY; without even the implied warranty of 012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 013 * GNU Lesser General Public License for more details. 014 * 015 * You should have received a copy of the GNU Lesser General Public License 016 * along with this program. If not, see <http://www.gnu.org/licenses/>. 017 */ 018package net.sf.hajdbc.util; 019 020import java.io.File; 021import java.io.IOException; 022import java.security.PrivilegedAction; 023import java.security.PrivilegedExceptionAction; 024 025public class Files 026{ 027 public static String TEMP_FILE_PREFIX = "ha-jdbc_"; 028 029 public static File createTempFile(final String suffix) throws IOException 030 { 031 PrivilegedExceptionAction<File> action = new PrivilegedExceptionAction<File>() 032 { 033 @Override 034 public File run() throws IOException 035 { 036 return File.createTempFile(TEMP_FILE_PREFIX, suffix); 037 } 038 }; 039 040 return Security.run(action, IOException.class); 041 } 042 043 public static void delete(final File file) 044 { 045 PrivilegedAction<Void> action = new PrivilegedAction<Void>() 046 { 047 @Override 048 public Void run() 049 { 050 if (!file.delete()) 051 { 052 file.deleteOnExit(); 053 } 054 return null; 055 } 056 }; 057 058 Security.run(action); 059 } 060}