fixed issue with URL stream handler

loader/src/main/java/net/woggioni/envelope/loader/AbstractHandler.java

@@ -38,7 +38,7 @@ import java.util.regex.Pattern;
  * @since 1.0.0
  * @see JarFile#registerUrlProtocolHandler()
  */
-public class Handler extends URLStreamHandler {
+public abstract class AbstractHandler extends URLStreamHandler {
 
 	// NOTE: in order to be found as a URL protocol handler, this class must be public,
 	// must be named Handler and must be in a package ending '.jar'
@@ -75,11 +75,11 @@ public class Handler extends URLStreamHandler {
 
 	private URLStreamHandler fallbackHandler;
 
-	public Handler() {
+	public AbstractHandler() {
 		this(null);
 	}
 
-	public Handler(JarFile jarFile) {
+	public AbstractHandler(JarFile jarFile) {
 		this.jarFile = jarFile;
 	}
 

loader/src/main/java/net/woggioni/envelope/loader/JarFile.java

@@ -16,6 +16,8 @@
 
 package net.woggioni.envelope.loader;
 
+import net.woggioni.envelope.loader.jar.Handler;
+
 import java.io.File;
 import java.io.FilePermission;
 import java.io.IOException;
@@ -60,7 +62,7 @@ public class JarFile extends AbstractJarFile implements Iterable<java.util.jar.J
 
 	private static final String PROTOCOL_HANDLER = "java.protocol.handler.pkgs";
 
-	private static final String HANDLERS_PACKAGE = "net.woggioni.xclassloader.jar";
+	private static final String HANDLERS_PACKAGE = "net.woggioni.envelope.loader";
 
 	private static final Bytes.AsciiBytes META_INF = new Bytes.AsciiBytes("META-INF/");
 
@@ -444,7 +446,7 @@ public class JarFile extends AbstractJarFile implements Iterable<java.util.jar.J
 	 * {@link URLStreamHandler} will be located to deal with jar URLs.
 	 */
 	public static void registerUrlProtocolHandler() {
-		Handler.captureJarContextUrl();
+		AbstractHandler.captureJarContextUrl();
 		String handlers = System.getProperty(PROTOCOL_HANDLER, "");
 		System.setProperty(PROTOCOL_HANDLER,
 				((handlers == null || handlers.isEmpty()) ? HANDLERS_PACKAGE : handlers + "|" + HANDLERS_PACKAGE));

loader/src/main/java/net/woggioni/envelope/loader/jar/Handler.java

@@ -0,0 +1,15 @@
+package net.woggioni.envelope.loader.jar;
+
+import net.woggioni.envelope.loader.AbstractHandler;
+import net.woggioni.envelope.loader.JarFile;
+
+public class Handler extends AbstractHandler {
+
+    public Handler() {
+        super();
+    }
+
+    public Handler(JarFile jarFile) {
+        super(jarFile);
+    }
+}

loader/src/main/java11/module-info.java

@@ -2,4 +2,5 @@ module net.woggioni.envelope.loader {
     requires java.logging;
     requires static lombok;
     exports net.woggioni.envelope.loader;
+    exports net.woggioni.envelope.loader.jar;
 }

loader/src/main/java11/net.woggioni.envelope.loader/JarFileModuleFinder.java

@@ -2,7 +2,7 @@ package net.woggioni.envelope.loader;
 
 import lombok.SneakyThrows;
 import net.woggioni.envelope.loader.JarFile;
-import net.woggioni.envelope.loader.Handler;
+import net.woggioni.envelope.loader.jar.Handler;
 
 import java.io.File;
 import java.io.IOException;