Incorporate the ECOMP SDC Artefact Generator code

[aai/babel.git] / src / main / java / org / onap / aai / babel / csar / vnfcatalog / ConfigurationsToBabelArtifactConverter.java

diff --git a/src/main/java/org/onap/aai/babel/csar/vnfcatalog/ConfigurationsToBabelArtifactConverter.java b/src/main/java/org/onap/aai/babel/csar/vnfcatalog/ConfigurationsToBabelArtifactConverter.java
new file mode 100644 (file)
index 0000000..983c810
--- /dev/null
+++ b/src/main/java/org/onap/aai/babel/csar/vnfcatalog/ConfigurationsToBabelArtifactConverter.java
@@ -0,0 +1,56 @@
+/**
+ * ============LICENSE_START=======================================================
+ * org.onap.aai
+ * ================================================================================
+ * Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved.
+ * Copyright © 2017-2018 European Software Marketing Ltd.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.aai.babel.csar.vnfcatalog;
+
+import com.google.gson.Gson;
+import java.util.List;
+import org.onap.aai.babel.service.data.BabelArtifact;
+import org.onap.aai.babel.service.data.BabelArtifact.ArtifactType;
+
+/**
+ * This class is responsible for converting a collection of VendorImageConfigurations into an instance of a
+ * BabelArtifact.
+ */
+class ConfigurationsToBabelArtifactConverter {
+    private ConfigurationsToBabelArtifactConverter() {}
+
+    /**
+     * This method converts a collection of VendorImageConfiguration objects into an instance of a BabelArtifact.
+     *
+     * <p>
+     * The method will convert the configurations objects into JSON and this will be stored in the BabelArtifact's
+     * payload property.
+     *
+     * <p>
+     * The method will return null if there are no configurations (null or empty) to process.
+     *
+     * @param configurations collection of VendorImageConfiguration objects into an instance of a BabelArtifact
+     * @return BabelArtifact instance representing the configurations or null if there are no configurations.
+     */
+    static BabelArtifact convert(List<VendorImageConfiguration> configurations) {
+        if (configurations != null && !configurations.isEmpty()) {
+            String payload = new Gson().toJson(configurations, configurations.getClass());
+            return new BabelArtifact("vnfVendorImageConfigurations", ArtifactType.VNFCATALOG, payload);
+        } else {
+            return null;
+        }
+    }
+}