/* * Copyright (c) 2007, 2011, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation.  Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package sun.nio.fs; import java.nio.file.*;import java.io.File;import java.io.IOException;import java.util.Iterator;import java.util.NoSuchElementException; /** * Base implementation class of {@code Path}. */ abstract class AbstractPath implements Path {    protected AbstractPath() { }     @Override    public final boolean startsWith(String other) {        return startsWith(getFileSystem().getPath(other));    }     @Override    public final boolean endsWith(String other) {        return endsWith(getFileSystem().getPath(other));    }     @Override    public final Path resolve(String other) {        return resolve(getFileSystem().getPath(other));    }     @Override    public final Path resolveSibling(Path other) {        if (other == null)            throw new NullPointerException();        Path parent = getParent();        return (parent == null) ? other : parent.resolve(other);    }     @Override    public final Path resolveSibling(String other) {        return resolveSibling(getFileSystem().getPath(other));    }     @Override    public final Iterator<Path> iterator() {        return new Iterator<Path>() {            private int i = 0;            @Override            public boolean hasNext() {                return (i < getNameCount());            }            @Override            public Path next() {                if (i < getNameCount()) {                    Path result = getName(i);                    i++;                    return result;                } else {                    throw new NoSuchElementException();                }            }            @Override            public void remove() {                throw new UnsupportedOperationException();            }        };    }     @Override    public final File toFile() {        return new File(toString());    }     @Override    public final WatchKey register(WatchService watcher,                                   WatchEvent.Kind<?>... events)        throws IOException    {        return register(watcher, events, new WatchEvent.Modifier[0]);    }}