1/* 2 * Copyright (c) 2017, 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. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24package jdk.tools.jaotc.collect; 25 26import java.nio.file.Path; 27import java.util.function.BiConsumer; 28 29public interface ClassSource { 30 static boolean pathIsClassFile(Path entry) { 31 String fileName = entry.getFileName().toString(); 32 return fileName.endsWith(".class") && !fileName.endsWith("module-info.class"); 33 } 34 35 static String stripRoot(Path path) { 36 if (path.getRoot() != null) { 37 String root = path.getRoot().toString(); 38 String filename = path.toString().substring(root.length()); 39 String separator = path.getFileSystem().getSeparator(); 40 while (filename.startsWith(separator)) { 41 filename = filename.substring(separator.length()); 42 } 43 return filename; 44 } 45 46 return path.toString(); 47 } 48 49 static String makeClassName(Path path) { 50 String fileName = path.toString(); 51 52 if (!fileName.endsWith(".class")) { 53 throw new IllegalArgumentException("File doesn't end with .class: '" + fileName + "'"); 54 } 55 56 fileName = stripRoot(path); 57 58 String className = fileName.substring(0, fileName.length() - ".class".length()); 59 className = className.replace(path.getFileSystem().getSeparator(), "."); 60 return className; 61 } 62 63 void eachClass(BiConsumer<String, ClassLoader> consumer); 64} 65