Refactors IGMPProxy application in API and APP bundles

Change-Id: I465d6c0f49079804ae8e0a1f464581c25c6d2300
diff --git a/app/src/main/java/org/opencord/igmpproxy/impl/IgmpproxySsmTranslateConfig.java b/app/src/main/java/org/opencord/igmpproxy/impl/IgmpproxySsmTranslateConfig.java
new file mode 100644
index 0000000..4c75d47
--- /dev/null
+++ b/app/src/main/java/org/opencord/igmpproxy/impl/IgmpproxySsmTranslateConfig.java
@@ -0,0 +1,69 @@
+/*
+ * Copyright 2017-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.opencord.igmpproxy.impl;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.node.ObjectNode;
+import com.google.common.collect.Lists;
+import org.onlab.packet.IpAddress;
+import org.onosproject.core.ApplicationId;
+import org.onosproject.mcast.api.McastRoute;
+import org.onosproject.net.config.Config;
+
+import java.util.List;
+
+/**
+ * IGMP proxy SSM translate configuration.
+ */
+public class IgmpproxySsmTranslateConfig extends Config<ApplicationId> {
+
+    private static final String SOURCE = "source";
+    private static final String GROUP = "group";
+
+    @Override
+    public boolean isValid() {
+        for (JsonNode node : array) {
+            if (!hasOnlyFields((ObjectNode) node, SOURCE, GROUP)) {
+                return false;
+            }
+
+            if (!(isIpAddress((ObjectNode) node, SOURCE, FieldPresence.MANDATORY) &&
+                    isIpAddress((ObjectNode) node, GROUP, FieldPresence.MANDATORY))) {
+                return false;
+            }
+
+        }
+        return true;
+    }
+
+    /**
+     * Gets the list of SSM translations.
+     *
+     * @return SSM translations
+     */
+    public List<McastRoute> getSsmTranslations() {
+        List<McastRoute> translations = Lists.newArrayList();
+        for (JsonNode node : array) {
+            translations.add(
+                    new McastRoute(
+                            IpAddress.valueOf(node.path(SOURCE).asText().trim()),
+                            IpAddress.valueOf(node.path(GROUP).asText().trim()),
+                            McastRoute.Type.STATIC));
+        }
+
+        return translations;
+    }
+}