1 files changed, 122 insertions, 0 deletions
diff --git a/framework/src/onos/apps/segmentrouting/src/main/java/org/onosproject/segmentrouting/web/PolicyCodec.java b/framework/src/onos/apps/segmentrouting/src/main/java/org/onosproject/segmentrouting/web/PolicyCodec.java
new file mode 100644
index 00000000..8e508872
--- /dev/null
+++ b/framework/src/onos/apps/segmentrouting/src/main/java/org/onosproject/segmentrouting/web/PolicyCodec.java
@@ -0,0 +1,122 @@
+/*
+ * 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.segmentrouting.web;
+
+import org.onosproject.codec.CodecContext;
+import org.onosproject.codec.JsonCodec;
+import com.fasterxml.jackson.databind.node.ObjectNode;
+import org.onosproject.segmentrouting.Policy;
+import org.onosproject.segmentrouting.TunnelPolicy;
+
+public final class PolicyCodec extends JsonCodec<Policy> {
+
+    // JSON field names
+    private static final String POLICY_ID = "policy_id";
+    private static final String PRIORITY = "priority";
+    private static final String TYPE = "policy_type";
+    private static final String TUNNEL_ID = "tunnel_id";
+    private static final String DST_IP = "dst_ip";
+    private static final String SRC_IP = "src_ip";
+    private static final String PROTO_TYPE = "proto_type";
+    private static final String SRC_PORT = "src_tp_port";
+    private static final String DST_PORT = "dst_tp_port";
+
+    @Override
+    public ObjectNode encode(Policy policy, CodecContext context) {
+        final ObjectNode result = context.mapper().createObjectNode()
+                .put(POLICY_ID, policy.id());
+
+        result.put(PRIORITY, policy.priority());
+        result.put(TYPE, policy.type().toString());
+
+        if (policy.dstIp() != null) {
+            result.put(DST_IP, policy.dstIp());
+        }
+        if (policy.srcIp() != null) {
+            result.put(SRC_IP, policy.srcIp());
+        }
+        if (policy.ipProto() != null) {
+            result.put(PROTO_TYPE, policy.ipProto());
+        }
+
+        int srcPort = policy.srcPort() & 0xffff;
+        if (policy.srcPort() != 0) {
+            result.put(SRC_PORT, srcPort);
+        }
+        int dstPort = policy.dstPort() & 0xffff;
+        if (policy.dstPort() != 0) {
+            result.put(DST_PORT, dstPort);
+        }
+        if (policy.type() == Policy.Type.TUNNEL_FLOW) {
+            result.put(TUNNEL_ID, ((TunnelPolicy) policy).tunnelId());
+        }
+
+        return result;
+    }
+
+    @Override
+    public Policy decode(ObjectNode json, CodecContext context) {
+
+        String pid = json.path(POLICY_ID).asText();
+        String type = json.path(TYPE).asText();
+        int priority = json.path(PRIORITY).asInt();
+        String dstIp = json.path(DST_IP).asText();
+        String srcIp = json.path(SRC_IP).asText();
+        String tunnelId = json.path(TUNNEL_ID).asText();
+        String protoType = json.path(PROTO_TYPE).asText();
+        short srcPort = json.path(SRC_PORT).shortValue();
+        short dstPort = json.path(DST_PORT).shortValue();
+
+        if (json.path(POLICY_ID).isMissingNode() || pid == null) {
+            // TODO: handle errors
+            return null;
+        }
+
+        TunnelPolicy.Builder tpb = TunnelPolicy.builder().setPolicyId(pid);
+        if (!json.path(TYPE).isMissingNode() && type != null &&
+                Policy.Type.valueOf(type).equals(Policy.Type.TUNNEL_FLOW)) {
+
+            if (json.path(TUNNEL_ID).isMissingNode() || tunnelId == null) {
+                return null;
+            }
+
+            tpb.setTunnelId(tunnelId);
+            tpb.setType(Policy.Type.valueOf(type));
+
+            if (!json.path(PRIORITY).isMissingNode()) {
+                tpb.setPriority(priority);
+            }
+            if (dstIp != null) {
+                tpb.setDstIp(dstIp);
+            }
+            if (srcIp != null) {
+                tpb.setSrcIp(srcIp);
+            }
+            if (protoType != null) {
+                tpb.setIpProto(protoType);
+            }
+            if (dstPort != 0) {
+                tpb.setDstPort(dstPort);
+            }
+            if (srcPort != 0) {
+                tpb.setSrcPort(srcPort);
+            }
+        }
+
+        return tpb.build();
+    }
+
+}