Add REST API for query/update/delete/enable/disable telemetry config

1. Add unit test for newly added REST APIs
2. Add codec and unit tests for TelemetryConfig
3. Split web package out from app package due to dep conflict

Change-Id: I85f52b2a7d059622e98832843bc9613cb8befa98
diff --git a/apps/openstacktelemetry/app/src/test/java/org/onosproject/openstacktelemetry/codec/bytebuffer/TinaFlowInfoByteBufferCodecTest.java b/apps/openstacktelemetry/app/src/test/java/org/onosproject/openstacktelemetry/codec/bytebuffer/TinaFlowInfoByteBufferCodecTest.java
new file mode 100644
index 0000000..b1f48e4
--- /dev/null
+++ b/apps/openstacktelemetry/app/src/test/java/org/onosproject/openstacktelemetry/codec/bytebuffer/TinaFlowInfoByteBufferCodecTest.java
@@ -0,0 +1,88 @@
+/*
+ * Copyright 2018-present Open Networking Foundation
+ *
+ * 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.openstacktelemetry.codec.bytebuffer;
+
+import com.google.common.testing.EqualsTester;
+import org.junit.Before;
+import org.junit.Test;
+import org.onlab.packet.IpAddress;
+import org.onlab.packet.IpPrefix;
+import org.onlab.packet.MacAddress;
+import org.onlab.packet.TpPort;
+import org.onlab.packet.VlanId;
+import org.onosproject.net.DeviceId;
+import org.onosproject.openstacktelemetry.api.DefaultFlowInfo;
+import org.onosproject.openstacktelemetry.api.DefaultStatsInfo;
+import org.onosproject.openstacktelemetry.api.FlowInfo;
+import org.onosproject.openstacktelemetry.api.StatsInfo;
+
+import java.nio.ByteBuffer;
+
+/**
+ * Unit tests for TinaFlowInfoByteBufferCodec.
+ */
+public final class TinaFlowInfoByteBufferCodecTest {
+
+    private static final byte FLOW_TYPE = 1;
+    private static final DeviceId DEVICE_ID = DeviceId.deviceId("of:00000000000000a1");
+    private static final int INPUT_INTERFACE_ID = 10;
+    private static final int OUTPUT_INTERFACE_ID = 10;
+    private static final VlanId VLAN_ID = VlanId.vlanId("100");
+    private static final IpAddress SRC_IP_ADDRESS = IpAddress.valueOf("10.10.10.1");
+    private static final IpPrefix SRC_IP_PREFIX = IpPrefix.valueOf(SRC_IP_ADDRESS, 24);
+    private static final IpAddress DST_IP_ADDRESS = IpAddress.valueOf("20.20.20.1");
+    private static final IpPrefix DST_IP_PREFIX = IpPrefix.valueOf(DST_IP_ADDRESS, 24);
+    private static final TpPort SRC_PORT_NUMBER = TpPort.tpPort(1000);
+    private static final TpPort DST_PORT_NUMBER = TpPort.tpPort(2000);
+    private static final byte PROTOCOL = 10;
+    private static final MacAddress SRC_MAC_ADDRESS = MacAddress.valueOf("AA:BB:CC:DD:EE:FF");
+    private static final MacAddress DST_MAC_ADDRESS = MacAddress.valueOf("FF:EE:DD:CC:BB:AA");
+
+    private FlowInfo info;
+    private final TinaFlowInfoByteBufferCodec codec = new TinaFlowInfoByteBufferCodec();
+
+    /**
+     * Initial setup for this unit test.
+     */
+    @Before
+    public void setup() {
+        StatsInfo statsInfo = new DefaultStatsInfo.DefaultBuilder().build();
+        FlowInfo.Builder builder = new DefaultFlowInfo.DefaultBuilder();
+
+        info = builder
+                .withFlowType(FLOW_TYPE)
+                .withDeviceId(DEVICE_ID)
+                .withInputInterfaceId(INPUT_INTERFACE_ID)
+                .withOutputInterfaceId(OUTPUT_INTERFACE_ID)
+                .withVlanId(VLAN_ID)
+                .withSrcIp(SRC_IP_PREFIX)
+                .withDstIp(DST_IP_PREFIX)
+                .withSrcPort(SRC_PORT_NUMBER)
+                .withDstPort(DST_PORT_NUMBER)
+                .withProtocol(PROTOCOL)
+                .withSrcMac(SRC_MAC_ADDRESS)
+                .withDstMac(DST_MAC_ADDRESS)
+                .withStatsInfo(statsInfo)
+                .build();
+    }
+
+    @Test
+    public void testEncodeDecode() {
+        ByteBuffer buffer = codec.encode(info);
+        FlowInfo decoded = codec.decode(ByteBuffer.wrap(buffer.array()));
+        new EqualsTester().addEqualityGroup(info, decoded).testEquals();
+    }
+}