Added preparation for online version check

src/de/marcelkapfer/c/morseconverter/Main.form

@@ -78,7 +78,9 @@
                 <children>
                   <component id="b5dfc" class="javax.swing.JTextArea" binding="inputAreaNormalMorse">
                     <constraints/>
-                    <properties/>
+                    <properties>
+                      <text value="Enter your text"/>
+                    </properties>
                   </component>
                 </children>
               </scrollpane>

src/de/marcelkapfer/c/morseconverter/Main.java

@@ -31,12 +31,16 @@ import de.marcelkapfer.c.morseconverter.intelligentCodeRecognization.WrittenMors
 import javax.swing.*;
 import java.awt.event.KeyAdapter;
 import java.awt.event.KeyEvent;
+import java.io.*;
+import java.net.MalformedURLException;
+import java.net.URL;
 
-/**
- * Created by mmk on 5/31/15.
- */
 public class Main extends JFrame {
 
+    // Version numbers for update check
+    public static final int actualVersion = 200;
+    public int latestVersion = actualVersion;
+
     public JTabbedPane morseConverterPane;
     private JPanel panel1;
     private JTextArea inputAreaWrittenMorse;
@@ -60,6 +64,24 @@ public class Main extends JFrame {
                 instantNormalMorseConvert();
             }
         });
+
+        // Trying to read a file from a server
+        try {
+            URL versionURL = new URL("http://c2/LAB/java/morseconverter/version.txt");
+            BufferedReader versionReader = new BufferedReader(new InputStreamReader(versionURL.openStream()));
+            latestVersion = Integer.valueOf(versionReader.readLine());
+        } catch (MalformedURLException e) {
+            e.printStackTrace();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+
+
+        //TODO To be also shown in the about view
+        if (actualVersion < latestVersion){
+            JOptionPane.showMessageDialog(null, "An Update is available!");
+        }
+
     }
 
     // The holy main method