1 /* 2 * Copyright (c) 2011, 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.sun.webkit; 27 28 import java.io.File; 29 import java.io.IOException; 30 import static java.lang.String.format; 31 import java.nio.file.Files; 32 import java.nio.file.InvalidPathException; 33 import java.nio.file.Paths; 34 import java.util.logging.Level; 35 import java.util.logging.Logger; 36 37 final class FileSystem { 38 39 // File type should match native FileMetadata Type 40 private static final int TYPE_UNKNOWN = 0; 41 private static final int TYPE_FILE = 1; 42 private static final int TYPE_DIRECTORY = 2; 43 44 private final static Logger logger = 45 Logger.getLogger(FileSystem.class.getName()); 46 47 48 private FileSystem() { 49 throw new AssertionError(); 50 } 51 52 private static boolean fwkFileExists(String path) { 53 return new File(path).exists(); 54 } 55 56 private static long fwkGetFileSize(String path) { 57 try { 58 File file = new File(path); 59 if (file.exists()) { 60 return file.length(); 61 } 62 } catch (SecurityException ex) { 63 logger.log(Level.FINE, format("Error determining " 64 + "size of file [%s]", path), ex); 65 } 66 return -1; 67 } 68 69 private static boolean fwkGetFileMetadata(String path, long[] metadataArray) { 70 try { 71 File file = new File(path); 72 if (file.exists()) { 73 metadataArray[0] = file.lastModified(); 74 metadataArray[1] = file.length(); 75 if (file.isDirectory()) { 76 metadataArray[2] = TYPE_DIRECTORY; 77 } else if (file.isFile()) { 78 metadataArray[2] = TYPE_FILE; 79 } else { 80 metadataArray[2] = TYPE_UNKNOWN; 81 } 82 return true; 83 } 84 } catch (SecurityException ex) { 85 logger.log(Level.FINE, format("Error determining " 86 + "Metadata for file [%s]", path), ex); 87 } 88 return false; 89 } 90 91 private static String fwkPathByAppendingComponent(String path, 92 String component) 93 { 94 return new File(path, component).getPath(); 95 } 96 97 private static boolean fwkMakeAllDirectories(String path) { 98 try { 99 Files.createDirectories(Paths.get(path)); 100 return true; 101 } catch (InvalidPathException|IOException ex) { 102 logger.log(Level.FINE, format("Error creating " 103 + "directory [%s]", path), ex); 104 return false; 105 } 106 } 107 108 private static String fwkPathGetFileName(String path) { 109 return new File(path).getName(); 110 } 111 }