74 lines
2.5 KiB
Java
74 lines
2.5 KiB
Java
/*
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* WorldEdit, a Minecraft world manipulation toolkit
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* Copyright (C) sk89q <http://www.sk89q.com>
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* Copyright (C) WorldEdit team and contributors
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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package com.sk89q.worldedit.util.io.file;
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import com.google.common.base.Splitter;
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import com.google.common.collect.ImmutableSet;
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import net.java.truevfs.access.TArchiveDetector;
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import net.java.truevfs.access.TFileSystem;
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import net.java.truevfs.access.TPath;
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import java.io.IOException;
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import java.nio.file.Path;
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import java.util.Optional;
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import java.util.Set;
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public final class TrueVfsArchiveNioSupport implements ArchiveNioSupport {
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private static final TrueVfsArchiveNioSupport INSTANCE = new TrueVfsArchiveNioSupport();
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public static TrueVfsArchiveNioSupport getInstance() {
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return INSTANCE;
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}
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private static final Set<String> ALLOWED_EXTENSIONS = ImmutableSet.copyOf(
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Splitter.on('|').split(TArchiveDetector.ALL.getExtensions())
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);
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private TrueVfsArchiveNioSupport() {
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}
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@Override
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public Optional<ArchiveDir> tryOpenAsDir(Path archive) throws IOException {
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String fileName = archive.getFileName().toString();
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int dot = fileName.indexOf('.');
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if (dot < 0 || dot >= fileName.length() || !ALLOWED_EXTENSIONS
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.contains(fileName.substring(dot + 1))) {
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return Optional.empty();
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}
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TFileSystem fileSystem = new TPath(archive).getFileSystem();
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TPath root = fileSystem.getPath("/");
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Path realRoot = ArchiveNioSupports.skipRootSameName(
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root, fileName.substring(0, dot)
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);
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return Optional.of(new ArchiveDir() {
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@Override
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public Path getPath() {
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return realRoot;
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}
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@Override
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public void close() throws IOException {
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fileSystem.close();
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}
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});
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}
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}
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