1 files changed, 71 insertions, 0 deletions
diff --git a/framework/src/onos/core/common/src/main/java/org/onosproject/codec/impl/TrafficSelectorCodec.java b/framework/src/onos/core/common/src/main/java/org/onosproject/codec/impl/TrafficSelectorCodec.java
new file mode 100644
index 00000000..24ebef1a
--- /dev/null
+++ b/framework/src/onos/core/common/src/main/java/org/onosproject/codec/impl/TrafficSelectorCodec.java
@@ -0,0 +1,71 @@
+/*
+ * Copyright 2014-2015 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.codec.impl;
+
+import java.util.stream.IntStream;
+
+import org.onosproject.codec.CodecContext;
+import org.onosproject.codec.JsonCodec;
+import org.onosproject.net.flow.DefaultTrafficSelector;
+import org.onosproject.net.flow.TrafficSelector;
+import org.onosproject.net.flow.criteria.Criterion;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.node.ArrayNode;
+import com.fasterxml.jackson.databind.node.ObjectNode;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+/**
+ * Traffic selector codec.
+ */
+public final class TrafficSelectorCodec extends JsonCodec<TrafficSelector> {
+    private static final String CRITERIA = "criteria";
+
+    @Override
+    public ObjectNode encode(TrafficSelector selector, CodecContext context) {
+        checkNotNull(selector, "Traffic selector cannot be null");
+
+        final ObjectNode result = context.mapper().createObjectNode();
+        final ArrayNode jsonCriteria = result.putArray(CRITERIA);
+
+        if (selector.criteria() != null) {
+            final JsonCodec<Criterion> criterionCodec =
+                    context.codec(Criterion.class);
+            for (final Criterion criterion : selector.criteria()) {
+                jsonCriteria.add(criterionCodec.encode(criterion, context));
+            }
+        }
+
+        return result;
+    }
+
+    @Override
+    public TrafficSelector decode(ObjectNode json, CodecContext context) {
+        final JsonCodec<Criterion> criterionCodec =
+                context.codec(Criterion.class);
+
+        JsonNode criteriaJson = json.get(CRITERIA);
+        TrafficSelector.Builder builder = DefaultTrafficSelector.builder();
+        if (criteriaJson != null) {
+            IntStream.range(0, criteriaJson.size())
+                    .forEach(i -> builder.add(
+                            criterionCodec.decode(get(criteriaJson, i),
+                                    context)));
+        }
+        return builder.build();
+    }
+}