| /* |
| * Copyright (c) 2015, 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 jdk.tools.jlink.internal; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Objects; |
| import java.util.function.Consumer; |
| import java.util.stream.Stream; |
| |
| /** |
| * An Archive backed by a directory. |
| */ |
| public class DirArchive implements Archive { |
| |
| /** |
| * A File located in a Directory. |
| */ |
| private class FileEntry extends Archive.Entry { |
| |
| private final long size; |
| private final Path path; |
| |
| FileEntry(Path path, String name) { |
| super(DirArchive.this, getPathName(path), name, |
| Archive.Entry.EntryType.CLASS_OR_RESOURCE); |
| this.path = path; |
| try { |
| size = Files.size(path); |
| } catch (IOException ex) { |
| throw new RuntimeException(ex); |
| } |
| } |
| |
| /** |
| * Returns the number of bytes of this file. |
| */ |
| @Override |
| public long size() { |
| return size; |
| } |
| |
| @Override |
| public InputStream stream() throws IOException { |
| InputStream stream = Files.newInputStream(path); |
| open.add(stream); |
| return stream; |
| } |
| } |
| |
| private static final String MODULE_INFO = "module-info.class"; |
| |
| private final Path dirPath; |
| private final String moduleName; |
| private final List<InputStream> open = new ArrayList<>(); |
| private final int chop; |
| private final Consumer<String> log; |
| private static final Consumer<String> noopConsumer = (String t) -> { |
| }; |
| |
| public DirArchive(Path dirPath) { |
| this(dirPath, noopConsumer); |
| } |
| |
| public DirArchive(Path dirPath, Consumer<String> log) { |
| Objects.requireNonNull(dirPath); |
| if (!Files.isDirectory(dirPath)) { |
| throw new IllegalArgumentException(dirPath + " is not a directory"); |
| } |
| chop = dirPath.toString().length() + 1; |
| this.moduleName = Objects.requireNonNull(dirPath.getFileName()).toString(); |
| this.dirPath = dirPath; |
| this.log = log; |
| } |
| |
| @Override |
| public String moduleName() { |
| return moduleName; |
| } |
| |
| @Override |
| public Path getPath() { |
| return dirPath; |
| } |
| |
| @Override |
| public Stream<Entry> entries() { |
| try { |
| return Files.walk(dirPath).map(this::toEntry).filter(n -> n != null); |
| } catch (IOException ex) { |
| throw new RuntimeException(ex); |
| } |
| } |
| |
| private Archive.Entry toEntry(Path p) { |
| if (Files.isDirectory(p)) { |
| return null; |
| } |
| String name = getPathName(p).substring(chop); |
| log.accept(moduleName + "/" + name); |
| return new FileEntry(p, name); |
| } |
| |
| @Override |
| public void close() throws IOException { |
| IOException e = null; |
| for (InputStream stream : open) { |
| try { |
| stream.close(); |
| } catch (IOException ex) { |
| if (e == null) { |
| e = ex; |
| } else { |
| e.addSuppressed(ex); |
| } |
| } |
| } |
| if (e != null) { |
| throw e; |
| } |
| } |
| |
| @Override |
| public void open() throws IOException { |
| // NOOP |
| } |
| |
| private static String getPathName(Path path) { |
| return path.toString().replace(File.separatorChar, '/'); |
| } |
| } |