Remove CloseablePathProvider

junit-platform-commons/src/main/java/org/junit/platform/commons/util/ClasspathScanner.java

@@ -116,8 +116,7 @@ private List<Class<?>> findClassesForUris(List<URI> baseUris, String basePackage
 	}
 
 	private List<Class<?>> findClassesForUri(String basePackageName, URI baseUri, Predicate<Class<?>> classFilter) {
-		CloseablePathProvider provider = CloseablePathProvider.create(baseUri.getScheme());
-		try (CloseablePath closeablePath = provider.toCloseablePath(baseUri)) {
+		try (CloseablePath closeablePath = CloseablePath.create(baseUri)) {
 			Path baseDir = closeablePath.getPath();
 			return findClassesForPath(basePackageName, baseDir, classFilter);
 		}

junit-platform-commons/src/main/java/org/junit/platform/commons/util/CloseablePath.java

@@ -10,22 +10,40 @@
 
 package org.junit.platform.commons.util;
 
+import static java.util.Collections.emptyMap;
+
 import java.io.Closeable;
 import java.io.IOException;
+import java.net.URI;
+import java.nio.file.FileSystem;
+import java.nio.file.FileSystems;
 import java.nio.file.Path;
+import java.nio.file.Paths;
 
 final class CloseablePath implements Closeable {
 
-	static final Closeable NULL_CLOSEABLE = () -> {
-	};
+    private static final String JAR_URI_SCHEME = "jar";
+    private static final String JAR_URI_SEPARATOR = "!";
+
+    private static final Closeable NULL_CLOSEABLE = () -> {
+    };
 
 	private final Path path;
 	private final Closeable delegate;
 
-	CloseablePath(Path path, Closeable delegate) {
-		this.path = path;
-		this.delegate = delegate;
-	}
+    static CloseablePath create(URI uri) throws IOException {
+        if (JAR_URI_SCHEME.equals(uri.getScheme())) {
+            String[] parts = uri.toString().split(JAR_URI_SEPARATOR);
+            FileSystem fileSystem = FileSystems.newFileSystem(URI.create(parts[0]), emptyMap());
+            return new CloseablePath(fileSystem.getPath(parts[1]), fileSystem);
+        }
+        return new CloseablePath(Paths.get(uri), NULL_CLOSEABLE);
+    }
+
+    private CloseablePath(Path path, Closeable delegate) {
+        this.path = path;
+        this.delegate = delegate;
+    }
 
 	public Path getPath() {
 		return path;