From 42ff2a9f759c4e28e7040a919a3940b417cc0f4e Mon Sep 17 00:00:00 2001
From: yankee <yzeugs@cipher-code.de>
Date: Thu, 24 Apr 2014 18:34:27 +0200
Subject: Added WebSocketFactory as alternative to deriving from
 NanoWebSocketServer

---
 .../java/fi/iki/elonen/NanoWebSocketServer.java    | 23 ++++++++++++++++++++--
 .../main/java/fi/iki/elonen/WebSocketFactory.java  |  7 +++++++
 2 files changed, 28 insertions(+), 2 deletions(-)
 create mode 100644 websocket/src/main/java/fi/iki/elonen/WebSocketFactory.java

(limited to 'websocket/src')

diff --git a/websocket/src/main/java/fi/iki/elonen/NanoWebSocketServer.java b/websocket/src/main/java/fi/iki/elonen/NanoWebSocketServer.java
index 7a5e588..21bc7f0 100644
--- a/websocket/src/main/java/fi/iki/elonen/NanoWebSocketServer.java
+++ b/websocket/src/main/java/fi/iki/elonen/NanoWebSocketServer.java
@@ -6,7 +6,7 @@ import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
 import java.util.Map;
 
-public abstract class NanoWebSocketServer extends NanoHTTPD {
+public class NanoWebSocketServer extends NanoHTTPD implements WebSocketFactory {
     public static final String HEADER_UPGRADE = "upgrade";
     public static final String HEADER_UPGRADE_VALUE = "websocket";
     public static final String HEADER_CONNECTION = "connection";
@@ -18,13 +18,27 @@ public abstract class NanoWebSocketServer extends NanoHTTPD {
     public static final String HEADER_WEBSOCKET_PROTOCOL = "sec-websocket-protocol";
 
     public final static String WEBSOCKET_KEY_MAGIC = "258EAFA5-E914-47DA-95CA-C5AB0DC85B11";
+    
+    private final WebSocketFactory webSocketFactory;
 
     public NanoWebSocketServer(int port) {
         super(port);
+        webSocketFactory = null;
     }
 
     public NanoWebSocketServer(String hostname, int port) {
         super(hostname, port);
+        webSocketFactory = null;
+    }
+    
+    public NanoWebSocketServer(int port, WebSocketFactory webSocketFactory) {
+        super(port);
+        this.webSocketFactory = webSocketFactory;
+    }
+
+    public NanoWebSocketServer(String hostname, int port,WebSocketFactory webSocketFactory) {
+        super(hostname, port);
+        this.webSocketFactory = webSocketFactory;
     }
 
     @Override
@@ -57,7 +71,12 @@ public abstract class NanoWebSocketServer extends NanoHTTPD {
         }
     }
 
-    protected abstract WebSocket openWebSocket(IHTTPSession handshake);
+    public WebSocket openWebSocket(IHTTPSession handshake) {
+        if (webSocketFactory == null) {
+            throw new Error("You must either override this method or supply a WebSocketFactory in the cosntructor");
+        }
+        return webSocketFactory.openWebSocket(handshake);
+    }
 
     protected boolean isWebsocketRequested(IHTTPSession session) {
         Map<String, String> headers = session.getHeaders();
diff --git a/websocket/src/main/java/fi/iki/elonen/WebSocketFactory.java b/websocket/src/main/java/fi/iki/elonen/WebSocketFactory.java
new file mode 100644
index 0000000..4a4be16
--- /dev/null
+++ b/websocket/src/main/java/fi/iki/elonen/WebSocketFactory.java
@@ -0,0 +1,7 @@
+package fi.iki.elonen;
+
+import fi.iki.elonen.NanoHTTPD.IHTTPSession;
+
+public interface WebSocketFactory {
+    WebSocket openWebSocket(IHTTPSession handshake);
+}
-- 
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