63 lines
2.2 KiB
Java
63 lines
2.2 KiB
Java
/*
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* opsu!dance - fork of opsu! with cursordance auto
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* Copyright (C) 2017 yugecin
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*
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* opsu!dance 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!dance 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!dance. If not, see <http://www.gnu.org/licenses/>.
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*/
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package yugecin.opsudance.core;
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import java.io.File;
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import java.io.IOException;
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import java.nio.file.Paths;
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import java.util.jar.JarFile;
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import static yugecin.opsudance.core.Constants.PROJECT_NAME;
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public class Environment {
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public final boolean isJarRunning;
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public final File workingdir;
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public final JarFile jarfile;
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public Environment() {
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Class thiz = Environment.class;
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String thisClassLocation = thiz.getResource(thiz.getSimpleName() + ".class").toString();
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this.isJarRunning = thisClassLocation.startsWith("jar:");
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if (!isJarRunning) {
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this.workingdir = Paths.get(".").toAbsolutePath().normalize().toFile();
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this.jarfile = null;
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} else {
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String wdir = thisClassLocation.substring(6); // remove the jar://
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String separator = "!/";
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int separatorIdx = wdir.indexOf(separator);
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int lastSeparatorIdx = wdir.lastIndexOf(separator);
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if (separatorIdx != lastSeparatorIdx) {
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String msg = String.format("%s cannot run from paths containing '!/', please move the file. Current directory: %s",
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PROJECT_NAME, thisClassLocation.substring(0, lastSeparatorIdx));
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throw new RuntimeException(msg);
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}
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File jar = new File(wdir.substring(0, separatorIdx));
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this.workingdir = jar.getParentFile();
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try {
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this.jarfile = new JarFile(jar);
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} catch (IOException e) {
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String msg = String.format("Cannot read from jarfile (%s): %s", jar.getAbsolutePath(),
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e.getMessage());
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throw new RuntimeException(msg, e);
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}
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}
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}
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}
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