1 files changed, 75 insertions, 0 deletions
diff --git a/nokiav2/driver/src/main/java/org/onap/vfc/nfvo/driver/vnfm/svnfm/nokia/util/CbamUtils.java b/nokiav2/driver/src/main/java/org/onap/vfc/nfvo/driver/vnfm/svnfm/nokia/util/CbamUtils.java
new file mode 100644
index 00000000..7377abfc
--- /dev/null
+++ b/nokiav2/driver/src/main/java/org/onap/vfc/nfvo/driver/vnfm/svnfm/nokia/util/CbamUtils.java
@@ -0,0 +1,75 @@
+/*
+ * Copyright 2016-2017, Nokia Corporation
+ *
+ * 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.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.util;
+
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
+import org.slf4j.Logger;
+
+public class CbamUtils {
+
+    private CbamUtils() {
+        //use static way
+    }
+
+    /**
+     * @param parent the parent JSON object
+     * @param name   the name of the child
+     * @return the child JSON object of parent with given name
+     */
+    public static JsonObject child(JsonObject parent, String name) {
+        return childElement(parent, name).getAsJsonObject();
+    }
+
+    /**
+     * @param parent the parent JSON object
+     * @param name   the name of the child
+     * @return the child JSON object of parent with given name
+     */
+    public static JsonElement childElement(JsonObject parent, String name) {
+        JsonElement child = parent.get(name);
+        if (child == null) {
+            throw new RuntimeException("Missing child " + name);
+        }
+        return child;
+    }
+
+    /**
+     * Logs and throws a runtime exception
+     *
+     * @param logger the logger
+     * @param msg    the error message
+     * @param e      the exception to be wrapped
+     * @return never reached (runtime exception is thrown)
+     */
+    public static RuntimeException fatalFailure(Logger logger, String msg, Exception e) {
+        logger.error(msg, e);
+        throw new RuntimeException(msg, e);
+    }
+
+    /**
+     * Logs and throws a runtime exception
+     *
+     * @param logger the logger
+     * @param msg    the error message
+     * @return never reached (runtime exception is thrown)
+     */
+    public static RuntimeException fatalFailure(Logger logger, String msg) {
+        logger.error(msg);
+        throw new RuntimeException(msg);
+    }
+}