1/* 2 * Copyright (c) 2014, 2015, 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 26package javax.tools; 27 28import java.io.File; 29import java.nio.file.Path; 30import java.util.Iterator; 31 32/** 33 * Package-private utility methods to convert between files and paths. 34 * 35 * @since 9 36 */ 37class FileManagerUtils { 38 private FileManagerUtils() { } 39 40 static Iterable<Path> asPaths(final Iterable<? extends File> files) { 41 return () -> new Iterator<Path>() { 42 Iterator<? extends File> iter = files.iterator(); 43 44 @Override 45 public boolean hasNext() { 46 return iter.hasNext(); 47 } 48 49 @Override 50 public Path next() { 51 return iter.next().toPath(); 52 } 53 }; 54 } 55 56 static Iterable<File> asFiles(final Iterable<? extends Path> paths) { 57 return () -> new Iterator<File>() { 58 Iterator<? extends Path> iter = paths.iterator(); 59 60 @Override 61 public boolean hasNext() { 62 return iter.hasNext(); 63 } 64 65 @Override 66 public File next() { 67 Path p = iter.next(); 68 try { 69 return p.toFile(); 70 } catch (UnsupportedOperationException e) { 71 throw new IllegalArgumentException(p.toString(), e); 72 } 73 } 74 }; 75 } 76} 77