Additional minor refactoring.

javacli/Client.java

@@ -1,11 +1,11 @@
-public class Client implements ClientEventReceiver {
-    private ClientImpl client_impl;
+public class Client implements OpenVPNClientThread.EventReceiver {
+    private OpenVPNClientThread client_impl;
 
-    static class ConfigError extends Exception {
+    public static class ConfigError extends Exception {
 	public ConfigError(String msg) { super(msg); }
     }
 
-    static class CredsUnspecifiedError extends Exception {
+    public static class CredsUnspecifiedError extends Exception {
 	public CredsUnspecifiedError(String msg) { super(msg); }
     }
 
@@ -16,7 +16,7 @@ public class Client implements ClientEventReceiver {
 
     public Client(String config_text, String username, String password) throws ConfigError, CredsUnspecifiedError {
 	// init client implementation object
-	client_impl = new ClientImpl();
+	client_impl = new OpenVPNClientThread();
 
 	// load/eval config
 	Config config = new Config();

javacli/ClientEventReceiver.java

@@ -1,4 +0,0 @@
-public interface ClientEventReceiver {
-    void event(Event event);
-    void log(LogInfo loginfo);
-}

javacli/OpenVPNClientThread.java

@@ -1,12 +1,17 @@
-public class ClientImpl extends OpenVPNClientBase implements Runnable {
-    private ClientEventReceiver parent;
+public class OpenVPNClientThread extends OpenVPNClientBase implements Runnable {
+    private EventReceiver parent;
     private Status connect_status;
 
-    public ClientImpl() {
+    public interface EventReceiver {
+	void event(Event event);
+	void log(LogInfo loginfo);
+    }
+
+    public OpenVPNClientThread() {
 	parent = null;
     }
 
-    public Status connect(ClientEventReceiver parent_arg) {
+    public Status connect(EventReceiver parent_arg) {
 	// direct client callbacks to parent
 	parent = parent_arg;