logging improved and all print stacktraces moved to logging

2 files changed, 18 insertions, 3 deletions

diff --git a/websocket/src/main/java/fi/iki/elonen/NanoWebSocketServer.java b/websocket/src/main/java/fi/iki/elonen/NanoWebSocketServer.java
index 3f1e1f4..9c3b8c7 100644
--- a/websocket/src/main/java/fi/iki/elonen/NanoWebSocketServer.java
+++ b/websocket/src/main/java/fi/iki/elonen/NanoWebSocketServer.java
@@ -45,12 +45,19 @@ import java.util.Arrays;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.Map;
+import java.util.logging.Level;
+import java.util.logging.Logger;
 
 import fi.iki.elonen.NanoWebSocketServer.WebSocketFrame.CloseCode;
 import fi.iki.elonen.NanoWebSocketServer.WebSocketFrame.CloseFrame;
 import fi.iki.elonen.NanoWebSocketServer.WebSocketFrame.OpCode;
 
 public abstract class NanoWebSocketServer extends NanoHTTPD {
+    /**
+     * logger to log to.
+     */
+    private static Logger LOG = Logger.getLogger(NanoWebSocketServer.class.getName());
+    
 	public static final String HEADER_UPGRADE = "upgrade";
 	public static final String HEADER_UPGRADE_VALUE = "websocket";
 	public static final String HEADER_CONNECTION = "connection";
@@ -307,14 +314,14 @@ public abstract class NanoWebSocketServer extends NanoHTTPD {
                 try {
                     in.close();
                 } catch (IOException e) {
-                    e.printStackTrace();
+                    LOG.log(Level.FINE, "close failed",e);
                 }
             }
             if (out != null) {
                 try {
                     out.close();
                 } catch (IOException e) {
-                    e.printStackTrace();
+                    LOG.log(Level.FINE, "close failed",e);
                 }
             }
             state = State.CLOSED;
diff --git a/websocket/src/main/java/fi/iki/elonen/samples/echo/DebugWebSocketServer.java b/websocket/src/main/java/fi/iki/elonen/samples/echo/DebugWebSocketServer.java
index 8d5b752..8aad58e 100644
--- a/websocket/src/main/java/fi/iki/elonen/samples/echo/DebugWebSocketServer.java
+++ b/websocket/src/main/java/fi/iki/elonen/samples/echo/DebugWebSocketServer.java
@@ -34,6 +34,9 @@ package fi.iki.elonen.samples.echo;
  */
 
 import java.io.IOException;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
 import fi.iki.elonen.NanoWebSocketServer;
 
 /**
@@ -41,6 +44,11 @@ import fi.iki.elonen.NanoWebSocketServer;
 *         On: 4/23/14 at 10:31 PM
 */
 public class DebugWebSocketServer extends NanoWebSocketServer {
+    /**
+     * logger to log to.
+     */
+    private static Logger LOG = Logger.getLogger(DebugWebSocketServer.class.getName());
+    
     private final boolean debug;
 
     public DebugWebSocketServer(int port, boolean debug) {
@@ -76,7 +84,7 @@ public class DebugWebSocketServer extends NanoWebSocketServer {
 
     @Override
     protected void onException(WebSocket socket, IOException e) {
-        e.printStackTrace();
+        LOG.log(Level.SEVERE,"exception occured",e);
     }
 
     @Override