Starting GUI server-side code

Change-Id: Id3d5e198a2326f50ef2661f6971cf23271bf7644
diff --git a/core/api/src/test/java/org/onosproject/net/flow/FlowRuleServiceAdapter.java b/core/api/src/test/java/org/onosproject/net/flow/FlowRuleServiceAdapter.java
new file mode 100644
index 0000000..8f54e85
--- /dev/null
+++ b/core/api/src/test/java/org/onosproject/net/flow/FlowRuleServiceAdapter.java
@@ -0,0 +1,77 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.onosproject.net.flow;
+
+import org.onosproject.core.ApplicationId;
+import org.onosproject.net.DeviceId;
+
+import java.util.concurrent.Future;
+
+/**
+ * Test adapter for flow rule service.
+ */
+public class FlowRuleServiceAdapter implements FlowRuleService {
+    @Override
+    public int getFlowRuleCount() {
+        return 0;
+    }
+
+    @Override
+    public Iterable<FlowEntry> getFlowEntries(DeviceId deviceId) {
+        return null;
+    }
+
+    @Override
+    public void applyFlowRules(FlowRule... flowRules) {
+
+    }
+
+    @Override
+    public void removeFlowRules(FlowRule... flowRules) {
+
+    }
+
+    @Override
+    public void removeFlowRulesById(ApplicationId appId) {
+
+    }
+
+    @Override
+    public Iterable<FlowRule> getFlowRulesById(ApplicationId id) {
+        return null;
+    }
+
+    @Override
+    public Iterable<FlowRule> getFlowRulesByGroupId(ApplicationId appId, short groupId) {
+        return null;
+    }
+
+    @Override
+    public Future<CompletedBatchOperation> applyBatch(FlowRuleBatchOperation batch) {
+        return null;
+    }
+
+    @Override
+    public void addListener(FlowRuleListener listener) {
+
+    }
+
+    @Override
+    public void removeListener(FlowRuleListener listener) {
+
+    }
+}