diff --git a/src/main/java/moe/nekojimi/friendcloud/network/requests/ObjectListRequest.java b/src/main/java/moe/nekojimi/friendcloud/network/requests/ObjectListRequest.java
new file mode 100644
index 0000000..b494935
--- /dev/null
+++ b/src/main/java/moe/nekojimi/friendcloud/network/requests/ObjectListRequest.java
@@ -0,0 +1,65 @@
+package moe.nekojimi.friendcloud.network.requests;
+
+import com.google.protobuf.Any;
+import com.google.protobuf.InvalidProtocolBufferException;
+import moe.nekojimi.friendcloud.Model;
+import moe.nekojimi.friendcloud.objects.NetworkObject;
+import moe.nekojimi.friendcloud.protos.ObjectStatements;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Set;
+
+public class ObjectListRequest extends Request<ObjectStatements.ObjectListRequest,  List<NetworkObject>>
+{
+	private final Set<ObjectStatements.ObjectType> types;
+
+	public ObjectListRequest(Set<ObjectStatements.ObjectType> types)
+	{
+		this.types = types;
+	}
+
+	@Override
+	public ObjectStatements.ObjectListRequest buildMessage()
+	{
+		return ObjectStatements.ObjectListRequest.newBuilder().addAllTypes(types).build();
+	}
+
+	@Override
+	public boolean handleReply(Any reply) throws InvalidProtocolBufferException
+	{
+		if (super.handleReply(reply))
+			return true;
+		try
+		{
+			if (reply.is(ObjectStatements.ObjectList.class))
+			{
+				ObjectStatements.ObjectList objectList = reply.unpack(ObjectStatements.ObjectList.class);
+
+				System.out.println("Received ObjectList, objects=" + objectList.getStatesList());
+
+				List<NetworkObject> ret = new ArrayList<>();
+
+				for (ObjectStatements.ObjectState objectState : objectList.getStatesList())
+				{
+					System.out.println("Received state of object " + objectState.getObjectId());
+					NetworkObject object = Model.getInstance().getOrCreateObject(new NetworkObject.ObjectID(objectState.getObjectId()));
+					object.updateFromStateMessage(objectState);
+					ret.add(object);
+				}
+
+				future.complete(ret);
+
+				return true;
+			}
+		}
+		catch (IOException ex)
+		{
+			ex.printStackTrace(System.err);
+			return true;
+		}
+		return false;
+	}
+
+}
diff --git a/src/main/java/moe/nekojimi/friendcloud/network/requests/Request.java b/src/main/java/moe/nekojimi/friendcloud/network/requests/Request.java
new file mode 100644
index 0000000..67c23ef
--- /dev/null
+++ b/src/main/java/moe/nekojimi/friendcloud/network/requests/Request.java
@@ -0,0 +1,33 @@
+package moe.nekojimi.friendcloud.network.requests;
+
+import com.google.protobuf.Any;
+import com.google.protobuf.InvalidProtocolBufferException;
+import com.google.protobuf.Message;
+import moe.nekojimi.friendcloud.protos.CommonMessages;
+
+import java.util.concurrent.CompletableFuture;
+
+public abstract class Request<MessageType extends Message, ReturnType>
+{
+	protected CompletableFuture<ReturnType> future = null;
+
+	public abstract MessageType buildMessage();
+
+	public boolean handleReply(Any reply) throws InvalidProtocolBufferException
+	{
+		if (reply.is(CommonMessages.ErrorMessage.class))
+		{
+			CommonMessages.ErrorMessage errorMessage = reply.unpack(CommonMessages.ErrorMessage.class);
+			future.completeExceptionally(new RuntimeException("Request received error response: " + errorMessage.getError().name()));
+			return true;
+		}
+		return false;
+	}
+
+	public CompletableFuture<ReturnType> getFuture()
+	{
+		if (future == null)
+			future = new CompletableFuture<>();
+		return future;
+	}
+}