| /* |
| * 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.io.IOException; |
| import java.nio.file.FileVisitOption; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.util.stream.Stream; |
| |
| /** |
| * Handler for dirs containing classes to compile. |
| */ |
| public class ClassPathDirEntry extends PathHandler.PathEntry { |
| private final int rootLength; |
| |
| public ClassPathDirEntry(Path root) { |
| super(root); |
| if (!Files.exists(root)) { |
| throw new Error(root + " dir does not exist"); |
| } |
| rootLength = root.toString() |
| .length(); |
| } |
| |
| @Override |
| protected Stream<String> classes() { |
| try { |
| return Files.walk(root, Integer.MAX_VALUE, FileVisitOption.FOLLOW_LINKS) |
| .filter(p -> Utils.isClassFile(p.toString())) |
| .map(this::pathToClassName); |
| } catch (IOException e) { |
| throw new Error("can not traverse " + root + " : " + e.getMessage(), e); |
| } |
| } |
| |
| @Override |
| protected String description() { |
| return "# dir: " + root; |
| } |
| |
| @Override |
| protected byte[] findByteCode(String classname) { |
| Path path = root; |
| for (String c : Utils.classNameToFileName(classname).split("/")) { |
| path = path.resolve(c); |
| } |
| if (!Files.exists(path)) { |
| return null; |
| } |
| try { |
| return Files.readAllBytes(path); |
| } catch (IOException e) { |
| e.printStackTrace(CompileTheWorld.ERR); |
| return null; |
| } |
| } |
| |
| 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); |
| } |
| } |
| |