remove XDG stuff and some dependency

pom.xml

@@ -14,7 +14,6 @@
 		<timestamp>${maven.build.timestamp}</timestamp>
 		<maven.build.timestamp.format>yyyy-MM-dd HH:mm</maven.build.timestamp.format>
 		<mainClassName>yugecin.opsudance.core.Entrypoint</mainClassName>
-		<XDG>false</XDG>
 	</properties>
 	<build>
 		<sourceDirectory>src</sourceDirectory>
@@ -148,7 +147,6 @@
 						<transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
 							<manifestEntries>
 								<Main-Class>${mainClassName}</Main-Class>
-								<Use-XDG>${XDG}</Use-XDG>
 							</manifestEntries>
 						</transformer>
 					</transformers>
@@ -234,11 +232,6 @@
 			<artifactId>jna-platform</artifactId>
 			<version>4.1.0</version>
 		</dependency>
-		<dependency>
-			<groupId>org.apache.maven</groupId>
-			<artifactId>maven-artifact</artifactId>
-			<version>3.3.3</version>
-		</dependency>
 		<dependency>
 			<groupId>org.apache.commons</groupId>
 			<artifactId>commons-compress</artifactId>

src/itdelatrisu/opsu/downloads/Updater.java

@@ -32,10 +32,10 @@ import java.util.Date;
 import java.util.Locale;
 import java.util.Properties;
 
-import org.apache.maven.artifact.versioning.DefaultArtifactVersion;
 import org.newdawn.slick.util.Log;
 import org.newdawn.slick.util.ResourceLoader;
 import yugecin.opsudance.core.Constants;
+import yugecin.opsudance.utils.SimpleVersion;
 
 import static yugecin.opsudance.core.errorhandling.ErrorHandler.*;
 import static yugecin.opsudance.core.InstanceContainer.*;
@@ -91,7 +91,7 @@ public class Updater {
 	private Status status;
 
 	/** The current and latest versions. */
-	private DefaultArtifactVersion currentVersion, latestVersion;
+	private SimpleVersion currentVersion, latestVersion;
 
 	/** The version information if the program was just updated. */
 	private String updatedFromVersion, updatedToVersion;
@@ -106,7 +106,7 @@ public class Updater {
 		if (currentVersion == null) {
 			return "unknown version";
 		}
-		return currentVersion.getMajorVersion() + "." + currentVersion.getMinorVersion() + "." + currentVersion.getIncrementalVersion();
+		return currentVersion.toString();
 	}
 
 	public Updater() {
@@ -181,13 +181,13 @@ public class Updater {
 	 * @param props the set of properties
 	 * @return the version, or null if not found
 	 */
-	private DefaultArtifactVersion getVersion(Properties props) {
+	private SimpleVersion getVersion(Properties props) {
-		String version = props.getProperty("version");
+		final String version = props.getProperty("version");
-		if (version == null || version.equals("${pom.version}")) {
+		if (version != null && !version.equals("${pom.version}")) {
-			status = Status.INTERNAL_ERROR;
+			return SimpleVersion.parse(version);
+		}
+		this.status = Status.INTERNAL_ERROR;
 		return null;
-		} else
-			return new DefaultArtifactVersion(version);
 	}
 
 	/**
@@ -195,7 +195,7 @@ public class Updater {
 	 * @throws IOException if an I/O exception occurs
 	 */
 	public void checkForUpdates() throws IOException {
-		if (status != Status.INITIAL || config.USE_XDG)
+		if (status != Status.INITIAL)
 			return;
 
 		status = Status.CHECKING;

src/yugecin/opsudance/core/InstanceContainer.java

@@ -37,7 +37,6 @@ import yugecin.opsudance.render.GameObjectRenderer;
 import yugecin.opsudance.skinning.SkinService;
 import yugecin.opsudance.ui.BackButton;
 import yugecin.opsudance.ui.OptionsOverlay;
-import yugecin.opsudance.utils.ManifestWrapper;
 
 import java.io.File;
 import java.io.IOException;
@@ -88,8 +87,7 @@ public class InstanceContainer {
 		env = new Environment();
 
 		JarFile jarfile = getJarfile();
-		ManifestWrapper manifest = new ManifestWrapper(getJarManifest(jarfile));
+		config = new Configuration();
-		config = new Configuration(manifest);
 		if (jarfile != null) {
 			try {
 				NativeLoader.loadNatives(jarfile);

src/yugecin/opsudance/options/Configuration.java

@@ -28,7 +28,6 @@ import org.lwjgl.BufferUtils;
 import org.lwjgl.opengl.Display;
 import org.lwjgl.opengl.GL11;
 import org.newdawn.slick.util.Log;
-import yugecin.opsudance.utils.ManifestWrapper;
 
 import javax.imageio.ImageIO;
 import java.awt.image.BufferedImage;
@@ -41,13 +40,11 @@ import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
 import static itdelatrisu.opsu.ui.Colors.*;
-import static yugecin.opsudance.core.errorhandling.ErrorHandler.*;
 import static yugecin.opsudance.options.Options.*;
 import static yugecin.opsudance.core.InstanceContainer.*;
 
 public class Configuration {
 
-	public final boolean USE_XDG;
 	public final File CONFIG_DIR;
 	public final File DATA_DIR;
 	public final File CACHE_DIR;
@@ -72,12 +69,10 @@ public class Configuration {
 	public File replayImportDir;
 	public File skinRootDir;
 
-	public Configuration(ManifestWrapper jarmanifest) {
+	public Configuration() {
-		USE_XDG = jarmanifest.valueOrDefault(null, "Use-XDG", "").equalsIgnoreCase("true");
+		CONFIG_DIR = env.workingdir;
-
+		DATA_DIR = env.workingdir;
-		CONFIG_DIR = getXDGBaseDir("XDG_CONFIG_HOME", ".config");
+		CACHE_DIR = env.workingdir;
-		DATA_DIR = getXDGBaseDir("XDG_DATA_HOME", ".local/share");
-		CACHE_DIR = getXDGBaseDir("XDG_CACHE_HOME", ".cache");
 
 		BEATMAP_DIR = new File(DATA_DIR, "Songs/");
 		SKIN_ROOT_DIR = new File(DATA_DIR, "Skins/");
@@ -174,39 +169,6 @@ public class Configuration {
 		return loadDirectory(dir, defaultDir, kind);
 	}
 
-	/**
-	 * Returns the directory based on the XDG base directory specification for
-	 * Unix-like operating systems, only if the "XDG" flag is enabled.
-	 * @param envvar the environment variable to check (XDG_*_*)
-	 * @param fallback the fallback directory relative to ~home
-	 * @return the XDG base directory, or the working directory if unavailable
-	 */
-	private File getXDGBaseDir(String envvar, String fallback) {
-		if (!USE_XDG) {
-			return env.workingdir;
-		}
-
-		String OS = System.getProperty("os.name").toLowerCase();
-		if (OS.indexOf("nix") == -1 && OS.indexOf("nux") == -1 && OS.indexOf("aix") == -1){
-			return env.workingdir;
-		}
-
-		String rootPath = System.getenv(envvar);
-		if (rootPath == null) {
-			String home = System.getProperty("user.home");
-			if (home == null) {
-				return new File("./");
-			}
-			rootPath = String.format("%s/%s", home, fallback);
-		}
-		File dir = new File(rootPath, "opsu");
-		if (!dir.isDirectory() && !dir.mkdir()) {
-			explode(String.format("Failed to create configuration folder at '%s/opsu'.", rootPath),
-				new Exception("empty"), PREVENT_REPORT);
-		}
-		return dir;
-	}
-
 	/**
 	 * @author http://wiki.lwjgl.org/index.php?title=Taking_Screen_Shots
 	 */

src/yugecin/opsudance/utils/ManifestWrapper.java

@@ -1,54 +0,0 @@
-/*
- * opsu!dance - fork of opsu! with cursordance auto
- * Copyright (C) 2017 yugecin
- *
- * opsu!dance is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * opsu!dance 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 for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with opsu!dance.  If not, see <http://www.gnu.org/licenses/>.
- */
-package yugecin.opsudance.utils;
-
-import yugecin.opsudance.core.NotNull;
-import yugecin.opsudance.core.Nullable;
-
-import java.util.jar.Attributes;
-import java.util.jar.Manifest;
-
-public class ManifestWrapper {
-
-	@Nullable
-	public final Manifest manifest;
-
-	public ManifestWrapper(@Nullable Manifest manifest) {
-		this.manifest = manifest;
-	}
-
-	/**
-	 * @param attribute attribute in jarfile or null for default attributes
-	 */
-	public String valueOrDefault(@Nullable String attribute, @NotNull String key, @Nullable String dfault) {
-		if (manifest == null) {
-			return dfault;
-		}
-		Attributes attributes =
-			attribute == null ? manifest.getMainAttributes() : manifest.getAttributes(attribute);
-		if (attributes == null) {
-			return dfault;
-		}
-		String val = attributes.getValue(key);
-		if (val == null) {
-			return dfault;
-		}
-		return val;
-	}
-
-}

src/yugecin/opsudance/utils/SimpleVersion.java

@@ -0,0 +1,67 @@
+/*
+ * opsu!dance - fork of opsu! with cursordance auto
+ * Copyright (C) 2018 yugecin
+ *
+ * opsu!dance is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * opsu!dance 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 for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with opsu!dance.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package yugecin.opsudance.utils;
+
+import itdelatrisu.opsu.Utils;
+import yugecin.opsudance.core.NotNull;
+import yugecin.opsudance.core.Nullable;
+
+public class SimpleVersion implements Comparable<SimpleVersion> {
+
+	@Nullable
+	public static SimpleVersion parse(@NotNull String version) {
+		int dashpos = version.indexOf('-');
+		if (dashpos != -1) {
+			version = version.substring(0, dashpos);
+		}
+		final String[] parts = version.split("\\.");
+		if (parts.length < 3) {
+			return null;
+		}
+		try {
+			return new SimpleVersion(
+				Integer.parseInt(parts[0]),
+				Integer.parseInt(parts[1]),
+				Integer.parseInt(parts[2])
+			);
+		} catch (Exception e) {
+			return null;
+		}
+	}
+
+	final int major, minor, incremental;
+
+	public SimpleVersion(int major, int minor, int incremental) {
+		this.major = major;
+		this.minor = minor;
+		this.incremental = incremental;
+	}
+
+	@Override
+	public int compareTo(@NotNull SimpleVersion o) {
+		return 
+			Utils.clamp(Integer.compare(major, o.major), -1, 1) * 100 + 
+			Utils.clamp(Integer.compare(minor, o.minor), -1, 1) * 10 + 
+			Utils.clamp(Integer.compare(incremental, o.incremental), -1, 1);
+	}
+
+	@Override
+	public String toString() {
+		return "" + major + '.' + minor + '.' + incremental;
+	}
+}