[BAEL 1209] - Java RMI Files. (#3374)

* [BAEL 1209] - Java RMI Files.

* Added parent tag and deleted dependency tag for junit.

* Added java-rmi module.

* Removed duplicate java-lite module entry.

* Deleting this file as it is covered in test class.

* Spell check.

java-rmi/src/main/java/com/baeldung/rmi/Message.java

@@ -0,0 +1,36 @@
+package com.baeldung.rmi;
+
+import java.io.Serializable;
+
+public class Message implements Serializable {
+	
+	private String messageText;
+	
+	private String contentType;
+	
+	public Message() {
+	}
+	
+	public Message(String messageText, String contentType) {
+		
+		this.messageText = messageText;
+		this.contentType = contentType;
+	}
+	
+	public String getMessageText() {
+		return messageText;
+	}
+
+	public void setMessageText(String messageText) {
+		this.messageText = messageText;
+	}
+
+	public String getContentType() {
+		return contentType;
+	}
+
+	public void setContentType(String contentType) {
+		this.contentType = contentType;
+	}
+	
+}

java-rmi/src/main/java/com/baeldung/rmi/MessengerService.java

@@ -0,0 +1,11 @@
+package com.baeldung.rmi;
+
+import java.rmi.Remote;
+import java.rmi.RemoteException;
+
+public interface MessengerService extends Remote {
+
+	public String sendMessage(String clientMessage) throws RemoteException;
+
+	public Message sendMessage(Message clientMessage) throws RemoteException;
+}

java-rmi/src/main/java/com/baeldung/rmi/MessengerServiceImpl.java

@@ -0,0 +1,37 @@
+package com.baeldung.rmi;
+
+import java.rmi.RemoteException;
+import java.rmi.registry.LocateRegistry;
+import java.rmi.registry.Registry;
+import java.rmi.server.UnicastRemoteObject;
+
+public class MessengerServiceImpl implements MessengerService {
+
+	public String sendMessage(String clientMessage) {
+		
+		String serverMessage = null;
+		if (clientMessage.equals("Client Message")) {
+			serverMessage = "Server Message";
+		}
+		
+		return serverMessage;
+	}
+	
+	public void createStubAndBind() throws RemoteException {
+		
+		MessengerService stub = (MessengerService) UnicastRemoteObject.exportObject((MessengerService) this, 0);
+		Registry registry = LocateRegistry.createRegistry(1099);
+		registry.rebind("MessengerService", stub);
+	}
+	
+	public Message sendMessage(Message clientMessage) throws RemoteException {
+		
+		Message serverMessage = null;
+		if (clientMessage.getMessageText().equals("Client Message")) {
+			serverMessage = new Message("Server Message", "text/plain");
+		}
+		
+		return serverMessage;
+	}
+	
+}