| /* |
| * Copyright (c) 2013, 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. |
| * |
| * 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.hotspot.tools.ctw; |
| |
| import java.net.MalformedURLException; |
| import java.net.URL; |
| import java.net.URLClassLoader; |
| import java.util.Set; |
| import java.util.EnumSet; |
| import java.util.HashSet; |
| import java.util.concurrent.Executor; |
| |
| import java.io.*; |
| import java.nio.file.*; |
| import java.nio.file.attribute.*; |
| |
| /** |
| * Handler for dirs containing classes to compile. |
| */ |
| public class ClassPathDirEntry extends PathHandler { |
| |
| private final int rootLength = root.toString().length(); |
| |
| public ClassPathDirEntry(Path root, Executor executor) { |
| super(root, executor); |
| try { |
| URL url = root.toUri().toURL(); |
| setLoader(new URLClassLoader(new URL[]{url})); |
| } catch (MalformedURLException e) { |
| e.printStackTrace(); |
| } |
| } |
| |
| @Override |
| public void process() { |
| System.out.println("# dir: " + root); |
| if (!Files.exists(root)) { |
| return; |
| } |
| try { |
| Files.walkFileTree(root, EnumSet.of(FileVisitOption.FOLLOW_LINKS), |
| Integer.MAX_VALUE, new CompileFileVisitor()); |
| } catch (IOException ioe) { |
| ioe.printStackTrace(); |
| } |
| } |
| |
| private void processFile(Path file) { |
| if (Utils.isClassFile(file.toString())) { |
| processClass(pathToClassName(file)); |
| } |
| } |
| |
| private String pathToClassName(Path file) { |
| String fileString; |
| if (root == file) { |
| fileString = file.normalize().toString(); |
| } else { |
| fileString = file.normalize().toString().substring(rootLength + 1); |
| } |
| return Utils.fileNameToClassName(fileString); |
| } |
| |
| private class CompileFileVisitor extends SimpleFileVisitor<Path> { |
| |
| private final Set<Path> ready = new HashSet<>(); |
| |
| @Override |
| public FileVisitResult preVisitDirectory(Path dir, |
| BasicFileAttributes attrs) throws IOException { |
| if (ready.contains(dir)) { |
| return FileVisitResult.SKIP_SUBTREE; |
| } |
| ready.add(dir); |
| return super.preVisitDirectory(dir, attrs); |
| } |
| |
| @Override |
| public FileVisitResult visitFile(Path file, |
| BasicFileAttributes attrs) throws IOException { |
| if (!ready.contains(file)) { |
| processFile(file); |
| } |
| return isFinished() ? FileVisitResult.TERMINATE |
| : FileVisitResult.CONTINUE; |
| } |
| |
| @Override |
| public FileVisitResult visitFileFailed(Path file, |
| IOException exc) throws IOException { |
| return FileVisitResult.CONTINUE; |
| } |
| } |
| } |
| |