Changed compiler compliance to 11, modularized all packages (#114)

* added module- and package-info.java, changed JRE from 8 to 11

* updated maven from Java 1.8 to 11

Co-authored-by: CyB3RC0nN0R <kske@outlook.de>

src/main/java/envoy/client/data/package-info.java

@@ -0,0 +1,9 @@
+/**
+ * This package contains all data classes and classes related to persistence.
+ *
+ * @author Kai S. K. Engelbart
+ * @author Leon Hofmeister
+ * @author Maximilian Käfer
+ * @since Envoy v0.1-beta
+ */
+package envoy.client.data;

src/main/java/envoy/client/event/package-info.java

@@ -0,0 +1,9 @@
+/**
+ * This package contains all client-sided events.
+ *
+ * @author Kai S. K. Engelbart
+ * @author Leon Hofmeister
+ * @author Maximilian Käfer
+ * @since Envoy v0.1-beta
+ */
+package envoy.client.event;

src/main/java/envoy/client/net/Client.java

@@ -85,7 +85,7 @@ public class Client implements Closeable {
 		rejected = false;
 
 		// Start receiver
-		new Thread(receiver).start();
+		receiver.start();
 
 		// Write login credentials
 		SerializationUtils.writeBytesWithLength(credentials, socket.getOutputStream());

src/main/java/envoy/client/net/Receiver.java

@@ -21,7 +21,7 @@ import envoy.util.SerializationUtils;
  * @author Kai S. K. Engelbart
  * @since Envoy v0.3-alpha
  */
-public class Receiver implements Runnable {
+public class Receiver extends Thread {
 
 	private final InputStream					in;
 	private final Map<Class<?>, Consumer<?>>	processors	= new HashMap<>();
@@ -33,7 +33,10 @@ public class Receiver implements Runnable {
 	 *
 	 * @param in the {@link InputStream} to parse objects from
 	 */
-	public Receiver(InputStream in) { this.in = in; }
+	public Receiver(InputStream in) {
+		super("Receiver");
+		this.in = in;
+	}
 
 	@Override
 	public void run() {

src/main/java/envoy/client/net/package-info.java

@@ -0,0 +1,9 @@
+/**
+ * This package contains all classes related to client-server communication.
+ *
+ * @author Kai S. K. Engelbart
+ * @author Leon Hofmeister
+ * @author Maximilian Käfer
+ * @since Envoy v0.1-beta
+ */
+package envoy.client.net;

src/main/java/envoy/client/ui/list/ComponentListModel.java

@@ -91,7 +91,7 @@ public final class ComponentListModel<E> implements Iterable<E>, Serializable {
 	 */
 	@Override
 	public Iterator<E> iterator() {
-		return new Iterator<E>() {
+		return new Iterator<>() {
 
 			Iterator<E> iter = elements.iterator();
 

src/main/java/envoy/client/ui/list/package-info.java

@@ -0,0 +1,10 @@
+/**
+ * This package defines a Swing component that can be used to display lists of
+ * other components to the user.
+ *
+ * @author Kai S. K. Engelbart
+ * @author Leon Hofmeister
+ * @author Maximilian Käfer
+ * @since Envoy v0.3-alpha
+ */
+package envoy.client.ui.list;

src/main/java/envoy/client/ui/package-info.java

@@ -0,0 +1,9 @@
+/**
+ * This package contains classes defining the user interface.
+ *
+ * @author Kai S. K. Engelbart
+ * @author Leon Hofmeister
+ * @author Maximilian Käfer
+ * @since Envoy v0.1-beta
+ */
+package envoy.client.ui;

src/main/java/envoy/client/ui/settings/package-info.java

@@ -0,0 +1,9 @@
+/**
+ * This package contains user interface classes related to the settings screen.
+ *
+ * @author Kai S. K. Engelbart
+ * @author Leon Hofmeister
+ * @author Maximilian Käfer
+ * @since Envoy v0.2-alpha
+ */
+package envoy.client.ui.settings;

src/main/java/module-info.java

@@ -0,0 +1,17 @@
+/**
+ * This module contains all classes defining the client application of the Envoy
+ * project.
+ *
+ * @author Kai S. K. Engelbart
+ * @author Leon Hofmeister
+ * @author Maximilian Käfer
+ * @since Envoy v0.1-beta
+ */
+module envoy {
+
+	requires transitive envoy.common;
+	requires transitive java.desktop;
+	requires transitive java.logging;
+	requires transitive java.naming;
+	requires transitive java.prefs;
+}