1 /* 2 * Copyright (c) 2012, 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package com.oracle.tools.packager; 27 28 import com.oracle.tools.packager.Log; 29 import java.io.*; 30 import java.net.URL; 31 import java.nio.channels.FileChannel; 32 import java.util.Arrays; 33 34 /** 35 * @deprecated use {@link ToolProvider} to locate the {@code "javapackager"} tool instead. 36 */ 37 @Deprecated(since="10", forRemoval=true) 38 public class IOUtils { 39 40 public static boolean deleteRecursive(File path) throws FileNotFoundException { 41 boolean ret = true; 42 if (!path.exists()) { //nothing to do 43 return true; 44 } 45 if (path.isDirectory()) { 46 File[] children = path.listFiles(); 47 if (children != null) { 48 for (File f : children) { 49 ret = ret && deleteRecursive(f); 50 } 51 } 52 } 53 return ret && path.delete(); 54 } 55 56 public static void copyFromURL(URL location, File file) throws IOException { 57 copyFromURL(location, file, false); 58 } 59 60 public static void copyFromURL(URL location, File file, boolean append) throws IOException { 61 if (location == null) { 62 throw new IOException("Missing input resource!"); 63 } 64 if (file.exists() && !append) { 65 file.delete(); 66 } 67 InputStream in = location.openStream(); 68 FileOutputStream out = new FileOutputStream(file, append); 69 byte[] buffer = new byte[1024]; 70 int len; 71 while ((len = in.read(buffer)) != -1) { 72 out.write(buffer, 0, len); 73 } 74 out.close(); 75 in.close(); 76 file.setReadOnly(); 77 file.setReadable(true, false); 78 } 79 80 public static void copyFile(File sourceFile, File destFile) 81 throws IOException { 82 destFile.getParentFile().mkdirs(); 83 84 //recreate the file as existing copy may have weird permissions 85 destFile.delete(); 86 destFile.createNewFile(); 87 88 FileChannel source = null; 89 FileChannel destination = null; 90 source = new FileInputStream(sourceFile).getChannel(); 91 destination = new FileOutputStream(destFile).getChannel(); 92 if (destination != null && source != null) { 93 destination.transferFrom(source, 0, source.size()); 94 } 95 if (source != null) { 96 source.close(); 97 } 98 if (destination != null) { 99 destination.close(); 100 } 101 102 //preserve executable bit! 103 if (sourceFile.canExecute()) { 104 destFile.setExecutable(true, false); 105 } 106 if (!sourceFile.canWrite()) { 107 destFile.setReadOnly(); 108 } 109 destFile.setReadable(true, false); 110 } 111 112 public static long getFolderSize(File folder) { 113 long foldersize = 0; 114 115 File[] children = folder.listFiles(); 116 if (children != null) { 117 for (File f : children) { 118 if (f.isDirectory()) { 119 foldersize += getFolderSize(f); 120 } else { 121 foldersize += f.length(); 122 } 123 } 124 } 125 126 return foldersize; 127 } 128 129 //run "launcher paramfile" in the directory where paramfile is kept 130 public static void run(String launcher, File paramFile, boolean verbose) 131 throws IOException { 132 if (paramFile != null && paramFile.exists()) { 133 ProcessBuilder pb = new ProcessBuilder(launcher, paramFile.getName()); 134 pb = pb.directory(paramFile.getParentFile()); 135 exec(pb, verbose); 136 } 137 } 138 139 public static void exec(ProcessBuilder pb, boolean verbose) throws IOException { 140 exec(pb, verbose, false); 141 } 142 143 144 public static void exec(ProcessBuilder pb, boolean verbose, 145 boolean testForPresenseOnly) throws IOException { 146 exec(pb, verbose, testForPresenseOnly, null); 147 } 148 149 public static void exec(ProcessBuilder pb, boolean verbose, 150 boolean testForPresenseOnly, PrintStream consumer) throws IOException { 151 pb.redirectErrorStream(true); 152 Log.verbose("Running " + Arrays.toString(pb.command().toArray(new String[0])) 153 + (pb.directory() != null ? (" in " + pb.directory()) : "")); 154 Process p = pb.start(); 155 InputStreamReader isr = new InputStreamReader(p.getInputStream()); 156 BufferedReader br = new BufferedReader(isr); 157 String lineRead; 158 while ((lineRead = br.readLine()) != null) { 159 if (consumer != null) { 160 consumer.print(lineRead + '\n'); 161 } else if (verbose) { 162 Log.info(lineRead); 163 } else { 164 Log.debug(lineRead); 165 } 166 } 167 try { 168 int ret = p.waitFor(); 169 if (ret != 0 && !(testForPresenseOnly && ret != 127)) { 170 throw new IOException("Exec failed with code " + ret + 171 " command [" + Arrays.toString(pb.command().toArray(new String[0])) + 172 " in " + (pb.directory() != null ? 173 pb.directory().getAbsolutePath() : "unspecified directory")); 174 } 175 } catch (InterruptedException ex) { 176 } 177 } 178 179 //no good test if we are running pre-JRE7 180 //use heuristic approach 181 // "false positive" is better than wrong answer 182 public static boolean isNotSymbolicLink(File file) { 183 //no symlinks on windows 184 if (Platform.getPlatform() == Platform.WINDOWS) { 185 return true; 186 } 187 try { 188 if (file == null || file.getParent() == null) { 189 return false; 190 } 191 File file_canonical = new File( 192 file.getParentFile().getCanonicalFile(), file.getName()); 193 if (file_canonical.getCanonicalFile().equals( 194 file_canonical.getAbsoluteFile())) { 195 return true; 196 } 197 } catch (IOException ioe) {} 198 return false; 199 } 200 201 public static byte[] readFully(File f) throws IOException { 202 InputStream inp = new FileInputStream(f); 203 //read fully into memory 204 ByteArrayOutputStream baos = new ByteArrayOutputStream(); 205 byte[] buffer = new byte[1024]; 206 int length = 0; 207 while ((length = inp.read(buffer)) != -1) { 208 baos.write(buffer, 0, length); 209 } 210 baos.close(); 211 return baos.toByteArray(); 212 } 213 }