author | jlaskey |
Mon, 07 Nov 2016 14:36:27 -0400 | |
changeset 41953 | 3e89e6103470 |
parent 41352 | f9844bad9052 |
permissions | -rw-r--r-- |
36511 | 1 |
/* |
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* Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package jdk.tools.jlink.internal; |
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import java.io.File; |
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import java.io.IOException; |
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import java.io.InputStream; |
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import java.nio.file.Files; |
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import java.nio.file.Path; |
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import java.util.ArrayList; |
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import java.util.List; |
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import java.util.Objects; |
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import java.util.function.Consumer; |
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import java.util.stream.Stream; |
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/** |
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* An Archive backed by a directory. |
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*/ |
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public class DirArchive implements Archive { |
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/** |
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* A File located in a Directory. |
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*/ |
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private class FileEntry extends Archive.Entry { |
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private final long size; |
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private final Path path; |
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FileEntry(Path path, String name) { |
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super(DirArchive.this, getPathName(path), name, |
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Archive.Entry.EntryType.CLASS_OR_RESOURCE); |
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this.path = path; |
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try { |
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size = Files.size(path); |
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} catch (IOException ex) { |
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throw new RuntimeException(ex); |
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} |
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} |
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/** |
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* Returns the number of bytes of this file. |
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*/ |
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@Override |
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public long size() { |
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return size; |
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} |
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@Override |
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public InputStream stream() throws IOException { |
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InputStream stream = Files.newInputStream(path); |
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open.add(stream); |
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return stream; |
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} |
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} |
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private static final String MODULE_INFO = "module-info.class"; |
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private final Path dirPath; |
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private final String moduleName; |
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private final List<InputStream> open = new ArrayList<>(); |
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private final int chop; |
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private final Consumer<String> log; |
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private static final Consumer<String> noopConsumer = (String t) -> { |
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}; |
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public DirArchive(Path dirPath) { |
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this(dirPath, noopConsumer); |
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} |
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public DirArchive(Path dirPath, Consumer<String> log) { |
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Objects.requireNonNull(dirPath); |
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if (!Files.isDirectory(dirPath)) { |
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41953
3e89e6103470
8155756: Better context for some jlink exceptions
jlaskey
parents:
41352
diff
changeset
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throw new IllegalArgumentException(dirPath + " is not a directory"); |
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} |
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chop = dirPath.toString().length() + 1; |
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this.moduleName = Objects.requireNonNull(dirPath.getFileName()).toString(); |
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this.dirPath = dirPath; |
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this.log = log; |
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} |
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@Override |
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public String moduleName() { |
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return moduleName; |
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} |
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@Override |
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public Path getPath() { |
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return dirPath; |
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} |
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@Override |
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public Stream<Entry> entries() { |
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try { |
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return Files.walk(dirPath).map(this::toEntry).filter(n -> n != null); |
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} catch (IOException ex) { |
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throw new RuntimeException(ex); |
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} |
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} |
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private Archive.Entry toEntry(Path p) { |
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if (Files.isDirectory(p)) { |
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return null; |
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} |
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String name = getPathName(p).substring(chop); |
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log.accept(moduleName + "/" + name); |
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return new FileEntry(p, name); |
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} |
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@Override |
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public void close() throws IOException { |
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IOException e = null; |
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for (InputStream stream : open) { |
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try { |
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stream.close(); |
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} catch (IOException ex) { |
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if (e == null) { |
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e = ex; |
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} else { |
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e.addSuppressed(ex); |
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} |
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} |
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} |
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if (e != null) { |
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throw e; |
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} |
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} |
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@Override |
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public void open() throws IOException { |
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// NOOP |
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} |
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private static String getPathName(Path path) { |
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return path.toString().replace(File.separatorChar, '/'); |
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} |
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} |