chore(java): dropped shadow, NativeUtils as class file

dist/java/build.gradle

@@ -1,14 +1,11 @@
-import com.vanniktech.maven.publish.SonatypeHost
-
 plugins {
 	id 'java-library'
 	id "com.vanniktech.maven.publish" version "0.29.0"
-	id 'com.github.johnrengelman.shadow' version '8.1.1'
 	id 'com.google.osdetector' version '1.7.3'
 }
 
 group = 'mp.code'
-version = '0.0.1'
+version = '0.0.2'
 
 java {
 	sourceCompatibility = targetCompatibility = JavaVersion.VERSION_11
@@ -16,7 +13,6 @@ java {
 
 repositories {
 	mavenCentral()
-	maven { url 'https://jitpack.io' }
 }
 
 sourceSets {
@@ -24,7 +20,6 @@ sourceSets {
 }
 
 dependencies {
-	implementation 'com.github.adamheinrich:native-utils:master-SNAPSHOT'
 	compileOnly 'org.projectlombok:lombok:1.18.34'
 	annotationProcessor 'org.projectlombok:lombok:1.18.34'
 }
@@ -34,13 +29,15 @@ tasks.register('cargoBuild', Exec) {
 	commandLine 'cargo', 'build', '--release', '--features=java'
 }
 
+jar.archiveClassifier = osdetector.classifier
+
 def rustDir = projectDir.toPath()
 	.parent
 	.parent
 	.resolve('target')
 	.resolve('release')
 	.toFile()
-shadowJar {
+processResources {
 	dependsOn cargoBuild
 	outputs.upToDateWhen { false } // no caching
 	from(rustDir) {
@@ -49,22 +46,12 @@ shadowJar {
 		include('*dylib')
 		into('natives/')
 	}
-
-	archiveClassifier = osdetector.classifier
-	dependencies {
-		include(dependency('com.github.adamheinrich:native-utils:master-SNAPSHOT'))
-	}
 }
 
-build.finalizedBy shadowJar
-
+import com.vanniktech.maven.publish.SonatypeHost
 mavenPublishing {
-	//publishToMavenCentral(SonatypeHost.S01) // for snapshots
-	publishToMavenCentral(SonatypeHost.CENTRAL_PORTAL) // central repository
-	// publishToMavenCentral(SonatypeHost.DEFAULT) // default
-
+	publishToMavenCentral(SonatypeHost.CENTRAL_PORTAL, true)
 	signAllPublications()
-
 	coordinates(project.group, rootProject.name, project.version)
 
 	pom {

dist/java/src/mp/code/BufferController.java

@@ -122,6 +122,6 @@ public final class BufferController {
 	}
 
 	static {
-		Extensions.loadLibraryIfNotPresent();
+		NativeUtils.loadLibraryIfNeeded();
 	}
 }

dist/java/src/mp/code/Client.java

@@ -152,6 +152,6 @@ public final class Client {
 	}
 
 	static {
-		Extensions.loadLibraryIfNotPresent();
+		NativeUtils.loadLibraryIfNeeded();
 	}
 }

dist/java/src/mp/code/CursorController.java

@@ -99,6 +99,6 @@ public final class CursorController {
 	}
 
 	static {
-		Extensions.loadLibraryIfNotPresent();
+		NativeUtils.loadLibraryIfNeeded();
 	}
 }

dist/java/src/mp/code/Extensions.java

@@ -37,27 +37,7 @@ public final class Extensions {
 	 */
 	public static native void setupTracing(String path, boolean debug);
 
-	private static boolean loaded = false;
-	static synchronized void loadLibraryIfNotPresent() {
-		if(loaded) return;
-		try {
-			String os = System.getProperty("os.name").toLowerCase();
-
-			String filename;
-			if(os.startsWith("windows")) {
-				filename = "/natives/codemp.dll";
-			} else if(os.startsWith("mac")) {
-				filename = "/natives/libcodemp.dylib";;
-			} else filename = "/natives/libcodemp.so";
-			cz.adamh.utils.NativeUtils.loadLibraryFromJar(filename);
-
-			loaded = true;
-		} catch(IOException e) {
-			throw new RuntimeException(e);
-		}
-	}
-
 	static {
-		Extensions.loadLibraryIfNotPresent();
+		NativeUtils.loadLibraryIfNeeded();
 	}
 }

dist/java/src/mp/code/NativeUtils.java

@@ -0,0 +1,160 @@
+/*
+ * Class NativeUtils is published under the The MIT License:
+ *
+ * Copyright (c) 2012 Adam Heinrich <adam@adamh.cz>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+package mp.code;
+
+import java.io.*;
+import java.nio.file.FileSystemNotFoundException;
+import java.nio.file.FileSystems;
+import java.nio.file.Files;
+import java.nio.file.ProviderNotFoundException;
+import java.nio.file.StandardCopyOption;
+import java.util.Objects;
+
+/**
+ * A simple library class which helps with loading dynamic libraries stored in the
+ * JAR archive. These libraries usually contain implementation of some methods in
+ * native code (using JNI - Java Native Interface).
+ * @see <a href="http://adamheinrich.com/blog/2012/how-to-load-native-jni-library-from-jar">http://adamheinrich.com/blog/2012/how-to-load-native-jni-library-from-jar</a>
+ * @see <a href="https://github.com/adamheinrich/native-utils">https://github.com/adamheinrich/native-utils</a>
+ */
+class NativeUtils {
+
+	/**
+	 * The minimum length a prefix for a file has to have according to {@link File#createTempFile(String, String)}}.
+	 */
+	private static final int MIN_PREFIX_LENGTH = 3;
+
+	/**
+	 * Prefix of the temporary folder where the native is stored.
+	 */
+	public static final String NATIVE_FOLDER_PATH_PREFIX = "nativeutils";
+
+	/**
+	 * Temporary directory which will contain the DLLs.
+	 */
+	private static File temporaryDir;
+
+	/**
+	 * Private constructor - this class will never be instanced
+	 */
+	private NativeUtils() {}
+
+	/**
+	 * Loads library from current JAR archive.
+	 * The file from JAR is copied into system temporary directory and then loaded. The temporary file is deleted after
+	 * exiting.
+	 * Method uses String as filename because the pathname is "abstract", not system-dependent.
+	 * @param path The path of file inside JAR as absolute path (beginning with '/'), e.g. /package/File.ext
+	 * @throws IOException If temporary file creation or read/write operation fails
+	 * @throws IllegalArgumentException If source file (param path) does not exist
+	 * @throws IllegalArgumentException If the path is not absolute or if the filename is shorter than three characters
+	 * (restriction of {@link File#createTempFile(java.lang.String, java.lang.String)}).
+	 * @throws FileNotFoundException If the file could not be found inside the JAR.
+	 */
+	@SuppressWarnings("ResultOfMethodCallIgnored")
+	private static void loadLibraryFromJar(String path) throws IOException {
+		if(null == path || !path.startsWith("/")) {
+			throw new IllegalArgumentException("The path has to be absolute (start with '/').");
+		}
+
+		// Obtain filename from path
+		String[] parts = path.split("/");
+		String filename = (parts.length > 1) ? parts[parts.length - 1] : null;
+
+		// Check if the filename is okay
+		if(filename == null || filename.length() < MIN_PREFIX_LENGTH) {
+			throw new IllegalArgumentException("The filename has to be at least 3 characters long.");
+		}
+
+		// Prepare temporary file
+		if(temporaryDir == null) {
+			temporaryDir = createTempDirectory();
+			temporaryDir.deleteOnExit();
+		}
+
+		File temp = new File(temporaryDir, filename);
+
+		try(InputStream is = NativeUtils.class.getResourceAsStream(path)) {
+			Files.copy(Objects.requireNonNull(is), temp.toPath(), StandardCopyOption.REPLACE_EXISTING);
+		} catch (IOException e) {
+			temp.delete();
+			throw e;
+		} catch (NullPointerException e) {
+			temp.delete();
+			throw new FileNotFoundException("File " + path + " was not found inside JAR.");
+		}
+
+		try {
+			System.load(temp.getAbsolutePath());
+		} finally {
+			if(isPosixCompliant()) {
+				// Assume POSIX compliant file system, can be deleted after loading
+				temp.delete();
+			} else {
+				// Assume non-POSIX, and don't delete until last file descriptor closed
+				temp.deleteOnExit();
+			}
+		}
+	}
+
+	private static boolean isPosixCompliant() {
+		try {
+			return FileSystems.getDefault()
+				.supportedFileAttributeViews()
+				.contains("posix");
+		} catch (FileSystemNotFoundException | ProviderNotFoundException | SecurityException e) {
+			return false;
+		}
+	}
+
+	private static File createTempDirectory() throws IOException {
+		String tempDir = System.getProperty("java.io.tmpdir");
+		File generatedDir = new File(tempDir, NativeUtils.NATIVE_FOLDER_PATH_PREFIX + System.nanoTime());
+
+		if(!generatedDir.mkdir())
+			throw new IOException("Failed to create temp directory " + generatedDir.getName());
+
+		return generatedDir;
+	}
+
+	private static boolean loaded = false;
+	static synchronized void loadLibraryIfNeeded() {
+		if(loaded) return;
+		try {
+			String os = System.getProperty("os.name").toLowerCase();
+
+			String filename;
+			if(os.startsWith("windows")) {
+				filename = "/natives/codemp.dll";
+			} else if(os.startsWith("mac")) {
+				filename = "/natives/libcodemp.dylib";;
+			} else filename = "/natives/libcodemp.so";
+			loadLibraryFromJar(filename);
+
+			loaded = true;
+		} catch(IOException e) {
+			throw new RuntimeException(e);
+		}
+	}
+}

dist/java/src/mp/code/Workspace.java

@@ -177,7 +177,7 @@ public final class Workspace {
 	}
 
 	static {
-		Extensions.loadLibraryIfNotPresent();
+		NativeUtils.loadLibraryIfNeeded();
 	}
 
 	/**