1 /* 2 * Copyright (c) 2000, 2014, 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 sun.awt.shell; 27 28 import java.io.File; 29 import java.security.AccessController; 30 import javax.swing.Icon; 31 import sun.security.action.GetPropertyAction; 32 33 /** 34 * @author Michael Martak 35 * @since 1.4 36 */ 37 @SuppressWarnings("serial") // JDK-implementation class 38 class DefaultShellFolder extends ShellFolder { 39 40 /** 41 * Create a file system shell folder from a file 42 */ 43 DefaultShellFolder(ShellFolder parent, File f) { 44 super(parent, f.getAbsolutePath()); 45 } 46 47 /** 48 * This method is implemented to make sure that no instances 49 * of <code>ShellFolder</code> are ever serialized. An instance of 50 * this default implementation can always be represented with a 51 * <code>java.io.File</code> object instead. 52 * 53 * @returns a <code>java.io.File</code> replacement object. 54 */ 55 protected Object writeReplace() throws java.io.ObjectStreamException { 56 return new File(getPath()); 57 } 58 59 /** 60 * @return An array of shell folders that are children of this shell folder 61 * object, null if this shell folder is empty. 62 */ 63 public File[] listFiles() { 64 File[] files = super.listFiles(); 65 if (files != null) { 66 for (int i = 0; i < files.length; i++) { 67 files[i] = new DefaultShellFolder(this, files[i]); 68 } 69 } 70 return files; 71 } 72 73 /** 74 * @return Whether this shell folder is a link 75 */ 76 public boolean isLink() { 77 return false; // Not supported by default 78 } 79 80 /** 81 * @return Whether this shell folder is marked as hidden 82 */ 83 public boolean isHidden() { 84 String fileName = getName(); 85 if (fileName.length() > 0) { 86 return (fileName.charAt(0) == '.'); 87 } 88 return false; 89 } 90 91 /** 92 * @return The shell folder linked to by this shell folder, or null 93 * if this shell folder is not a link 94 */ 95 public ShellFolder getLinkLocation() { 96 return null; // Not supported by default 97 } 98 99 /** 100 * @return The name used to display this shell folder 101 */ 102 public String getDisplayName() { 103 return getName(); 104 } 105 106 /** 107 * @return The type of shell folder as a string 108 */ 109 public String getFolderType() { 110 if (isDirectory()) { 111 return "File Folder"; // TODO : LOCALIZE THIS STRING!!! 112 } else { 113 return "File"; // TODO : LOCALIZE THIS STRING!!! 114 } 115 } 116 117 /** 118 * @return The executable type as a string 119 */ 120 public String getExecutableType() { 121 return null; // Not supported by default 122 } 123 }