1 /* 2 * Copyright (c) 2007, 2011, 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.nio.fs; 27 28 import java.nio.file.*; 29 import java.io.File; 30 import java.io.IOException; 31 import java.util.Iterator; 32 import java.util.NoSuchElementException; 33 34 /** 35 * Base implementation class of {@code Path}. 36 */ 37 38 abstract class AbstractPath implements Path { AbstractPath()39 protected AbstractPath() { } 40 41 @Override startsWith(String other)42 public final boolean startsWith(String other) { 43 return startsWith(getFileSystem().getPath(other)); 44 } 45 46 @Override endsWith(String other)47 public final boolean endsWith(String other) { 48 return endsWith(getFileSystem().getPath(other)); 49 } 50 51 @Override resolve(String other)52 public final Path resolve(String other) { 53 return resolve(getFileSystem().getPath(other)); 54 } 55 56 @Override resolveSibling(Path other)57 public final Path resolveSibling(Path other) { 58 if (other == null) 59 throw new NullPointerException(); 60 Path parent = getParent(); 61 return (parent == null) ? other : parent.resolve(other); 62 } 63 64 @Override resolveSibling(String other)65 public final Path resolveSibling(String other) { 66 return resolveSibling(getFileSystem().getPath(other)); 67 } 68 69 @Override iterator()70 public final Iterator<Path> iterator() { 71 return new Iterator<Path>() { 72 private int i = 0; 73 @Override 74 public boolean hasNext() { 75 return (i < getNameCount()); 76 } 77 @Override 78 public Path next() { 79 if (i < getNameCount()) { 80 Path result = getName(i); 81 i++; 82 return result; 83 } else { 84 throw new NoSuchElementException(); 85 } 86 } 87 @Override 88 public void remove() { 89 throw new UnsupportedOperationException(); 90 } 91 }; 92 } 93 94 @Override toFile()95 public final File toFile() { 96 return new File(toString()); 97 } 98 99 @Override register(WatchService watcher, WatchEvent.Kind<?>... events)100 public final WatchKey register(WatchService watcher, 101 WatchEvent.Kind<?>... events) 102 throws IOException 103 { 104 return register(watcher, events, new WatchEvent.Modifier[0]); 105 } 106 } 107