[ONOS-2408]Data model and utility class about RFC 7047 (ovsdb protocol).
The whole lib of ovsdb provides the function of encode to jasonRPC and
decode to Pojo to consumer, the bussiness of coordination of
communication is implemented by adapter.
Change-Id: I4c35426273394c1699207e5a4f2e98cead59f1e1
diff --git a/ovsdb/rfc/src/main/java/org/onosproject/ovsdb/rfc/utils/ObjectMapperUtil.java b/ovsdb/rfc/src/main/java/org/onosproject/ovsdb/rfc/utils/ObjectMapperUtil.java
new file mode 100644
index 0000000..bc92fe0
--- /dev/null
+++ b/ovsdb/rfc/src/main/java/org/onosproject/ovsdb/rfc/utils/ObjectMapperUtil.java
@@ -0,0 +1,98 @@
+/*
+ * 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.ovsdb.rfc.utils;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.fasterxml.jackson.annotation.JsonInclude.Include;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.DeserializationFeature;
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+/**
+ * ObjectMapper utility class.
+ */
+public final class ObjectMapperUtil {
+
+ private static final Logger log = LoggerFactory
+ .getLogger(ObjectMapperUtil.class);
+
+ /**
+ * Constructs a ObjectMapperUtil object. Utility classes should not have a
+ * public or default constructor, otherwise it will compile failed. This
+ * class should not be instantiated.
+ */
+ private ObjectMapperUtil() {
+ }
+
+ /**
+ * get ObjectMapper entity.
+ * @return ObjectMapper entity
+ */
+ public static ObjectMapper getObjectMapper() {
+ ObjectMapper objectMapper = new ObjectMapper();
+ objectMapper
+ .configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES,
+ false);
+ objectMapper.setSerializationInclusion(Include.NON_NULL);
+ return objectMapper;
+ }
+
+ /**
+ * get ObjectMapper entity.
+ * @param flag configure
+ * @return ObjectMapper entity
+ */
+ public static ObjectMapper getObjectMapper(boolean flag) {
+ ObjectMapper objectMapper = new ObjectMapper();
+ objectMapper
+ .configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES,
+ flag);
+ return objectMapper;
+ }
+
+ /**
+ * get ObjectMapper entity.
+ * @param flag configure
+ * @param incl setSerializationInclusion
+ * @return ObjectMapper entity
+ */
+ public static ObjectMapper getObjectMapper(boolean flag, Include incl) {
+ ObjectMapper objectMapper = new ObjectMapper();
+ objectMapper
+ .configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES,
+ flag);
+ objectMapper.setSerializationInclusion(incl);
+ return objectMapper;
+ }
+
+ /**
+ * convert Object into String.
+ * @param obj Object
+ * @return String
+ */
+ public static String convertToString(Object obj) {
+ ObjectMapper objectMapper = new ObjectMapper();
+ try {
+ return objectMapper.writeValueAsString(obj);
+ } catch (JsonProcessingException e) {
+ log.error("JsonProcessingException while converting Entity into string", e);
+ }
+ return null;
+ }
+
+}