Homework 1 submission with refactor/rename to have student name first

projects/Assignments/homework1/YamashitaDeMouraEntity.java

+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+/**
+ *
+ * @author dougl
+ */
+public class YamashitaDeMouraEntity {
+    
+    private String name;
+    private float x;
+    private float y;
+    private float z;
+    
+    public YamashitaDeMouraEntity (String name, float x, float y, float z) { 
+        this.name = name;
+        this.x = x;
+        this.y = y;
+        this.z = z;
+    }
+    
+    /**
+     * @return the x
+     */
+    public float getX() {
+        return x;
+    }
+
+    /**
+     * @param x the x to set
+     */
+    public void setX(float x) {
+        this.x = x;
+    }
+
+    /**
+     * @return the y
+     */
+    public float getY() {
+        return y;
+    }
+
+    /**
+     * @param y the y to set
+     */
+    public void setY(float y) {
+        this.y = y;
+    }
+
+    /**
+     * @return the z
+     */
+    public float getZ() {
+        return z;
+    }
+
+    /**
+     * @param z the z to set
+     */
+    public void setZ(float z) {
+        this.z = z;
+    }
+
+    /**
+     * @return the name
+     */
+    public String getName() {
+        return name;
+    }
+
+    /**
+     * @param name the name to set
+     */
+    public void setName(String name) {
+        this.name = name;
+    }
+    
+    
+}

projects/Assignments/homework1/YamashitaDeMouraTcpClient.java

+
+import java.io.*;
+import java.net.*;
+
+/**
+ * MV3500
+ * 
+ * TCP Client
+ * 
+ * @author Douglas Yamashita de Moura
+ * @version 20180212
+ * 
+ */
+public class YamashitaDeMouraTcpClient {
+  
+    public static void main(String[] args) 
+    {
+        try
+        {
+            boolean openConnection = true;
+
+            Socket socket = new Socket("localhost", 2317); 
+           
+            System.out.println("Socket created. Communication started...\n");
+           
+            // Create entity
+            YamashitaDeMouraEntity entity = new YamashitaDeMouraEntity("Test Entity", 10, 20, 15);
+            String response = "";
+           
+            int messageCount = 1;
+           
+            while(openConnection) {
+               
+                System.out.println("Request #" + messageCount);
+                
+                // Output
+                OutputStream os = socket.getOutputStream();
+                PrintStream ps = new PrintStream(os);
+               
+                switch(messageCount) {
+                    case 1:
+                        response = "'Hi, I am the client and I request a connection.'\n";
+                        break;
+                    case 2:
+                        response = "'Sending entity with name " + entity.getName() + 
+                            " and position (" + entity.getX() + ", " + entity.getY() +
+                            ", " + entity.getZ() + ").'\n";
+                        break;
+                    case 3:
+                        response = "'Thanks!'\n";
+                        break;
+                }
+                
+                ps.print(response);
+                ps.flush();
+                System.out.print("Message sent to server: " + response);
+                messageCount++;
+
+                InputStream is = socket.getInputStream();
+                InputStreamReader isr = new InputStreamReader(is);
+                BufferedReader br = new BufferedReader(isr);
+
+                String line = br.readLine();
+                System.out.println("Message received from server: " + line + "\n");
+                
+                if (line.contains("Closing connection.")) {
+                    openConnection = false;
+                    socket.close();
+                }               
+           }
+        }
+        catch(Exception e)
+        {
+            System.out.println(e);
+            System.out.println("Problem with client");
+        }
+
+    }
+    
+}

projects/Assignments/homework1/YamashitaDeMouraTcpServer.java

+
+import java.io.*;
+import java.net.*;
+
+/**
+ * MV3500
+ * 
+ * TCP Server.
+ * This server works with only one client and can exchange
+ * multiples messages with it.
+ * 
+ * @author Douglas Yamashita de Moura
+ * @version 20180212
+ * 
+ */
+public class YamashitaDeMouraTcpServer 
+{
+
+    public static void main(String[] args) 
+    {
+        try
+        {   
+            ServerSocket serverSocket = new ServerSocket(2317);
+            System.out.print("Server socket created. Waiting for client...\n");
+
+            Socket clientConnection = serverSocket.accept();
+
+            InetAddress localAddress = clientConnection.getLocalAddress();
+            InetAddress remoteAddress = clientConnection.getInetAddress();
+
+            int localPort = clientConnection.getLocalPort();
+            int remotePort = clientConnection.getPort();
+
+             System.out.println("Socket pair: (( " + localAddress.toString() + ", " + localPort + " ), ( " + 
+                    remoteAddress.toString() + ", " + remotePort + " ))\n");
+
+            int count = 1;
+            boolean openConnection = true;
+            
+            while(openConnection)
+            {                
+                String response = "";
+
+                System.out.println("Request #" + count);
+
+                // Receives message from client
+                InputStream is = clientConnection.getInputStream();
+                InputStreamReader isr = new InputStreamReader(is);
+                BufferedReader br = new BufferedReader(isr);
+                String clientMessage = br.readLine();
+                System.out.println("The message the client sent was: " + clientMessage + ".");
+
+                // Sends message to client 
+                OutputStream os = clientConnection.getOutputStream();        
+                PrintStream ps = new PrintStream(os);
+
+                switch (count){
+
+                    case 1:
+                        response = "'I am the server and I accepted the request. Send entity name and position.'\n";
+                        break;
+                    case 2:
+                        response = "'I confirm the receipt of the message.'\n";
+                        break;
+                    case 3:
+                        response = "'You are welcome. Closing connection.'\n";
+                        openConnection = false;
+                        break;
+                }
+
+                System.out.println("Message sent to client: " + response);
+                ps.print(response);
+                ps.flush();
+                response = "";
+                count++;
+
+            }
+            clientConnection.close();
+        } catch(Exception e){
+            System.out.println("Problem with networking");
+            System.out.println("Exception: " + e);
+        }        
+    }
+    
+}
\ No newline at end of file