124 lines
3.3 KiB
Java
124 lines
3.3 KiB
Java
/*
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* opsu! - an open-source osu! client
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* Copyright (C) 2014, 2015 Jeffrey Han
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*
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* opsu! 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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* opsu! 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 opsu!. If not, see <http://www.gnu.org/licenses/>.
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*/
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package itdelatrisu.opsu.beatmap;
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import java.io.File;
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import java.io.FilenameFilter;
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import java.util.ArrayList;
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import java.util.List;
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import net.lingala.zip4j.core.ZipFile;
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import net.lingala.zip4j.exception.ZipException;
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import org.newdawn.slick.util.Log;
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import static itdelatrisu.opsu.ui.Colors.*;
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import static yugecin.opsudance.core.InstanceContainer.*;
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/**
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* Unpacker for OSZ (ZIP) archives.
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*/
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public class OszUnpacker {
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/** The index of the current file being unpacked. */
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private int fileIndex = -1;
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/** The total number of files to unpack. */
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private File[] files;
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/**
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* Invokes the unpacker for each OSZ archive in a root directory.
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* @return an array containing the new (unpacked) directories, or null
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* if no OSZs found
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*/
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public File[] unpackAll() {
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List<File> dirs = new ArrayList<File>();
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// find all OSZ files
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files = config.oszDir.listFiles(new FilenameFilter() {
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@Override
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public boolean accept(File dir, String name) {
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return name.toLowerCase().endsWith(".osz");
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}
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});
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if (files == null || files.length < 1) {
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files = null;
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return new File[0];
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}
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// unpack OSZs
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BeatmapWatchService ws = BeatmapWatchService.get();
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if (ws != null)
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ws.pause();
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for (File file : files) {
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fileIndex++;
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String dirName = file.getName().substring(0, file.getName().lastIndexOf('.'));
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File songDir = new File(config.beatmapDir, dirName);
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if (!songDir.isDirectory()) {
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songDir.mkdir();
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unzip(file, songDir);
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file.delete(); // delete the OSZ when finished
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dirs.add(songDir);
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}
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}
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if (ws != null)
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ws.resume();
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fileIndex = -1;
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files = null;
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return dirs.toArray(new File[dirs.size()]);
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}
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/**
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* Extracts the contents of a ZIP archive to a destination.
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* @param file the ZIP archive
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* @param dest the destination directory
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*/
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private void unzip(File file, File dest) {
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try {
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ZipFile zipFile = new ZipFile(file);
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zipFile.extractAll(dest.getAbsolutePath());
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} catch (ZipException e) {
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String err = String.format("Failed to unzip file %s to dest %s.", file.getAbsolutePath(), dest.getAbsolutePath());
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Log.error(err, e);
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bubNotifs.send(BUB_RED, err);
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}
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}
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/**
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* Returns the name of the current file being unpacked, or null if none.
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*/
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public String getCurrentFileName() {
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if (files == null || fileIndex == -1)
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return null;
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return files[fileIndex].getName();
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}
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/**
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* Returns the progress of file unpacking, or -1 if not unpacking.
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* @return the completion percent [0, 100] or -1
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*/
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public int getUnpackerProgress() {
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if (files == null || fileIndex == -1)
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return -1;
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return (fileIndex + 1) * 100 / files.length;
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}
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} |