Revisions made to the Model Loader to use Babel

[aai/model-loader.git] / src / main / java / org / onap / aai / modelloader / notification / BabelArtifactConverter.java

diff --git a/src/main/java/org/onap/aai/modelloader/notification/BabelArtifactConverter.java b/src/main/java/org/onap/aai/modelloader/notification/BabelArtifactConverter.java
new file mode 100644 (file)
index 0000000..7eb562a
--- /dev/null
+++ b/src/main/java/org/onap/aai/modelloader/notification/BabelArtifactConverter.java
@@ -0,0 +1,83 @@
+/**
+ * ============LICENSE_START==========================================
+ * org.onap.aai
+ * ===================================================================
+ * Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved.
+ * Copyright © 2017-2018 Amdocs
+ * ===================================================================
+ * 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.modelloader.notification;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Objects;
+import org.onap.aai.babel.service.data.BabelArtifact;
+import org.onap.aai.modelloader.entity.Artifact;
+import org.onap.aai.modelloader.entity.catalog.VnfCatalogArtifact;
+import org.onap.aai.modelloader.entity.model.BabelArtifactParsingException;
+import org.onap.aai.modelloader.entity.model.ModelArtifact;
+import org.onap.aai.modelloader.entity.model.ModelArtifactParser;
+
+/**
+ * This class is responsible for converting TOSCA artifacts into instances of {@link ModelArtifact} ready for pushing
+ * the converted artifacts .
+ */
+class BabelArtifactConverter {
+
+    /**
+     * This method converts BabelArtifacts into instances of {@link ModelArtifact}.
+     *
+     * @param xmlArtifacts xml artifacts to be parsed
+     * @return List<org.openecomp.modelloader.entity.Artifact> list of converted model artifacts
+     * @throws BabelArtifactParsingException if an error occurs trying to parse the generated XML files that were
+     *         converted from tosca artifacts
+     */
+    List<Artifact> convertToModel(List<BabelArtifact> xmlArtifacts) throws BabelArtifactParsingException {
+        Objects.requireNonNull(xmlArtifacts);
+        List<Artifact> modelArtifacts = new ArrayList<>();
+        ModelArtifactParser modelArtParser = new ModelArtifactParser();
+
+        // Parse TOSCA payloads
+        for (BabelArtifact xmlArtifact : xmlArtifacts) {
+
+            List<Artifact> parsedArtifacts = modelArtParser.parse(xmlArtifact.getPayload(), xmlArtifact.getName());
+
+            if (parsedArtifacts == null || parsedArtifacts.isEmpty()) {
+                throw new BabelArtifactParsingException("Could not parse generated XML: " + xmlArtifact.getPayload());
+            }
+
+            modelArtifacts.addAll(parsedArtifacts);
+        }
+
+        return modelArtifacts;
+    }
+
+    /**
+     * This method converts BabelArtifacts into instances of {@link VnfCatalogArtifact}.
+     *
+     * @param xmlArtifacts xml artifacts to be parsed
+     * @return List<org.openecomp.modelloader.entity.Artifact> list of converted catalog artifacts
+     */
+    List<Artifact> convertToCatalog(List<BabelArtifact> xmlArtifacts) {
+        Objects.requireNonNull(xmlArtifacts);
+        List<Artifact> catalogArtifacts = new ArrayList<>();
+
+        for (BabelArtifact xmlArtifact : xmlArtifacts) {
+            catalogArtifacts.add(new VnfCatalogArtifact(xmlArtifact.getPayload()));
+        }
+
+        return catalogArtifacts;
+    }
+}