1 files changed, 137 insertions, 0 deletions
diff --git a/engine/src/networking/com/jme3/network/rmi/RemoteObject.java b/engine/src/networking/com/jme3/network/rmi/RemoteObject.java
new file mode 100644
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+++ b/engine/src/networking/com/jme3/network/rmi/RemoteObject.java
@@ -0,0 +1,137 @@
+/*
+ * Copyright (c) 2009-2010 jMonkeyEngine
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ *
+ * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
+ *   may be used to endorse or promote products derived from this software
+ *   without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package com.jme3.network.rmi;
+
+import com.jme3.network.HostedConnection;
+import java.lang.reflect.InvocationHandler;
+import java.lang.reflect.Method;
+import java.util.ArrayList;
+import java.util.HashMap;
+
+/**
+ * Contains various meta-data about an RMI interface.
+ *
+ * @author Kirill Vainer
+ */
+public class RemoteObject implements InvocationHandler {
+
+    /**
+     * Object ID
+     */
+    short objectId;
+
+    /**
+     * Contains {@link MethodDef method definitions} for all exposed
+     * RMI methods in the remote RMI interface.
+     */
+    MethodDef[] methodDefs;
+
+    /**
+     * Maps from methods locally retrieved from the RMI interface to
+     * a method ID.
+     */
+    HashMap<Method, Integer> methodMap = new HashMap<Method, Integer>();
+
+    /**
+     * The {@link ObjectStore} which stores this RMI interface.
+     */
+    ObjectStore store;
+    
+    /**
+     * The client who exposed the RMI interface, or null if the server
+     * exposed it.
+     */
+    HostedConnection client;
+
+    public RemoteObject(ObjectStore store, HostedConnection client){
+        this.store = store;
+        this.client = client;
+    }
+
+    private boolean methodEquals(MethodDef methodDef, Method method){
+        Class<?>[] interfaceTypes = method.getParameterTypes();
+        Class<?>[] defTypes       = methodDef.paramTypes;
+
+        if (interfaceTypes.length == defTypes.length){
+            for (int i = 0; i < interfaceTypes.length; i++){
+                if (!defTypes[i].isAssignableFrom(interfaceTypes[i])){
+                    return false;
+                }
+            }
+            return true;
+        }
+        return false;
+    }
+
+    /**
+     * Generates mappings from the given interface into the remote RMI
+     * interface's implementation.
+     *
+     * @param interfaceClass The interface class to use.
+     */
+    public void loadMethods(Class<?> interfaceClass){
+        HashMap<String, ArrayList<Method>> nameToMethods
+                = new HashMap<String, ArrayList<Method>>();
+
+        for (Method method : interfaceClass.getDeclaredMethods()){
+            ArrayList<Method> list = nameToMethods.get(method.getName());
+            if (list == null){
+                list = new ArrayList<Method>();
+                nameToMethods.put(method.getName(), list);
+            }
+            list.add(method);
+        }
+
+        mapping_search: for (int i = 0; i < methodDefs.length; i++){
+            MethodDef methodDef = methodDefs[i];
+            ArrayList<Method> methods = nameToMethods.get(methodDef.name);
+            if (methods == null)
+                continue;
+            
+            for (Method method : methods){
+                if (methodEquals(methodDef, method)){
+                    methodMap.put(method, i);
+                    continue mapping_search;
+                }
+            }
+        }
+    }
+
+    /**
+     * Callback from InvocationHandler.
+     */
+    public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
+        return store.invokeRemoteMethod(this, method, args);
+    }
+
+}