Added server-side client-specific session attributes

for tucking player data, etc..


git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@7018 75d07b2b-3a1a-0410-a2c5-0572b91ccdca

engine/src/networking/com/jme3/network/HostedConnection.java

@@ -32,6 +32,7 @@
 
 package com.jme3.network;
 
+import java.util.Set;
 
 /**
  *  This is the connection back to a client that is being
@@ -52,4 +53,24 @@ public interface HostedConnection extends MessageConnection
      *  sending the optional reason to the remote client.
      */
     public void close( String reason );
+    
+    /**
+     *  Sets a session attribute specific to this connection.
+     *
+     *  @return The previous session value for this key or null
+     *          if there was no previous value.
+     */
+    public Object setAttribute( String name, Object value );
+    
+    /**
+     *  Retrieves a previosly stored session attribute or
+     *  null if no such attribute exists.
+     */
+    public <T> T getAttribute( String name );
+    
+    /**
+     *  Returns a read-only set of attribute names currently stored
+     *  for this client session.
+     */
+    public Set<String> attributeNames();     
 }

engine/src/networking/com/jme3/network/base/DefaultServer.java

@@ -330,6 +330,8 @@ public class DefaultServer implements Server
         private Endpoint reliable;
         private Endpoint fast;
         
+        private Map<String,Object> sessionData = new ConcurrentHashMap<String,Object>();       
+        
         public Connection()
         {
             id = nextId.getAndIncrement();
@@ -369,6 +371,21 @@ public class DefaultServer implements Server
                 reliable.close();
             }
         }
+        
+        public Object setAttribute( String name, Object value )
+        {
+            return sessionData.put(name, value);
+        }
+    
+        public <T> T getAttribute( String name )
+        {
+            return (T)sessionData.get(name);
+        }             
+
+        public Set<String> attributeNames()
+        {
+            return Collections.unmodifiableSet(sessionData.keySet());
+        }             
     } 
 
     protected class Redispatch implements MessageListener<HostedConnection>

engine/src/networking/com/jme3/network/package.html

@@ -6,6 +6,5 @@ SpiderMonkey networking module.  The {@link com.jme3.network.Network}
 class is the entry point for creating default implementations
 of {@link com.jme3.network.Client} and {@link com.jme3.network.Server}
 implementations.
-
 </body>
 </html>