Set max timeout to network connections

Author: Phillipus

com.archimatetool.editor/src/com/archimatetool/editor/utils/NetUtils.java

@@ -39,6 +39,9 @@ public final class NetUtils  {
     // Store the default ProxySelector before we set ours
     private static final ProxySelector DEFAULT_PROXY_SELECTOR = ProxySelector.getDefault();
 
+    // Timeout in milliseconds
+    private static final int CONNECTION_TIMEOUT = 20000;
+
     private static Authenticator AUTHENTICATOR = new Authenticator() {
         @Override
         public PasswordAuthentication getPasswordAuthentication() {
@@ -72,6 +75,10 @@ public static void initialise() {
 
         // And this one too, but not sure. I think it's for HTTP
         System.setProperty("jdk.http.auth.proxying.disabledSchemes", "");
+        
+        // Set global timeouts. These might or might not work
+        System.setProperty("sun.net.client.defaultConnectTimeout", Integer.toString(CONNECTION_TIMEOUT));
+        System.setProperty("sun.net.client.defaultReadTimeout", Integer.toString(CONNECTION_TIMEOUT));
 
         // Set default proxy now
         setDefaultProxy();
@@ -97,6 +104,10 @@ public static URLConnection openConnection(URL url) throws IOException {
         else {
             connection = url.openConnection();
         }
+        
+        // Set timeouts, these will work even if the global poperties don't
+        connection.setConnectTimeout(CONNECTION_TIMEOUT);
+        connection.setReadTimeout(CONNECTION_TIMEOUT);
 
         return connection;
     }