add SDC client and reception handle

[multicloud/framework.git] / artifactbroker / reception / src / main / java / org / onap / policy / distribution / reception / parameters / ReceptionHandlerConfigurationParametersJsonAdapter.java

diff --git a/artifactbroker/reception/src/main/java/org/onap/policy/distribution/reception/parameters/ReceptionHandlerConfigurationParametersJsonAdapter.java b/artifactbroker/reception/src/main/java/org/onap/policy/distribution/reception/parameters/ReceptionHandlerConfigurationParametersJsonAdapter.java
new file mode 100644 (file)
index 0000000..0890a2a
--- /dev/null
+++ b/artifactbroker/reception/src/main/java/org/onap/policy/distribution/reception/parameters/ReceptionHandlerConfigurationParametersJsonAdapter.java
@@ -0,0 +1,80 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2018 Ericsson. All rights reserved.
+ * ================================================================================
+ * 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.
+ * 
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.distribution.reception.parameters;
+
+import com.google.gson.JsonDeserializationContext;
+import com.google.gson.JsonDeserializer;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
+import com.google.gson.JsonPrimitive;
+import java.lang.reflect.Type;
+import org.slf4j.ext.XLogger;
+import org.slf4j.ext.XLoggerFactory;
+
+/**
+ * This class deserialises reception handler parameters from JSON.
+ */
+public class ReceptionHandlerConfigurationParametersJsonAdapter
+        implements JsonDeserializer<ReceptionHandlerConfigurationParameterGroup> {
+    private static final XLogger LOGGER =
+            XLoggerFactory.getXLogger(ReceptionHandlerConfigurationParametersJsonAdapter.class);
+
+    private static final String PARAMETER_CLASS_NAME = "parameterClassName";
+    private static final String RECEPTION_HANDLER_PARAMETERS = "parameters";
+
+    @Override
+    public ReceptionHandlerConfigurationParameterGroup deserialize(final JsonElement json, final Type typeOfT,
+            final JsonDeserializationContext context) {
+        final JsonObject jsonObject = json.getAsJsonObject();
+
+        final String receptionHandlerParameterClassName = getParameterGroupClassName(jsonObject);
+        Class<?> receptionHandlerParameterClass = getParameterGroupClass(receptionHandlerParameterClassName);
+
+        return context.deserialize(jsonObject.get(RECEPTION_HANDLER_PARAMETERS), receptionHandlerParameterClass);
+    }
+
+    private String getParameterGroupClassName(final JsonObject jsonObject) {
+        final JsonPrimitive classNameJsonPrimitive = ((JsonPrimitive) jsonObject.get(PARAMETER_CLASS_NAME));
+
+        if (classNameJsonPrimitive == null || classNameJsonPrimitive.getAsString().length() == 0) {
+            final String errorMessage = "parameter \"" + PARAMETER_CLASS_NAME + "\" value \""
+                    + (classNameJsonPrimitive != null ? classNameJsonPrimitive.getAsString() : "null")
+                    + "\" invalid in JSON file";
+            LOGGER.warn(errorMessage);
+            throw new IllegalArgumentException(errorMessage);
+        }
+        return classNameJsonPrimitive.getAsString().replaceAll("\\s+", "");
+    }
+
+    private Class<?> getParameterGroupClass(final String receptionHAndlerParameterClassName) {
+        Class<?> receptionHandlerParameterClass = null;
+        try {
+            receptionHandlerParameterClass = Class.forName(receptionHAndlerParameterClassName);
+        } catch (final ClassNotFoundException e) {
+            final String errorMessage = "parameter \"" + PARAMETER_CLASS_NAME + "\" value \""
+                    + receptionHAndlerParameterClassName + "\", could not find class";
+            LOGGER.warn(errorMessage, e);
+            throw new IllegalArgumentException(errorMessage, e);
+        }
+        return receptionHandlerParameterClass;
+    }
+
+}