1 files changed, 124 insertions, 0 deletions
diff --git a/catalog-be/src/main/java/org/openecomp/sdc/be/servlets/RepresentationUtils.java b/catalog-be/src/main/java/org/openecomp/sdc/be/servlets/RepresentationUtils.java
new file mode 100644
index 0000000000..565911eaa9
--- /dev/null
+++ b/catalog-be/src/main/java/org/openecomp/sdc/be/servlets/RepresentationUtils.java
@@ -0,0 +1,124 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.be.servlets;
+
+import java.io.IOException;
+
+import org.codehaus.jackson.JsonGenerationException;
+import org.codehaus.jackson.map.DeserializationConfig;
+import org.codehaus.jackson.map.JsonMappingException;
+import org.codehaus.jackson.map.ObjectMapper;
+import org.codehaus.jackson.map.SerializationConfig.Feature;
+import org.codehaus.jackson.map.annotate.JsonSerialize;
+import org.openecomp.sdc.be.config.BeEcompErrorManager;
+import org.openecomp.sdc.be.model.ArtifactDefinition;
+import org.openecomp.sdc.common.api.ArtifactGroupTypeEnum;
+import org.openecomp.sdc.common.api.Constants;
+import org.openecomp.sdc.common.config.EcompErrorName;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.google.gson.Gson;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
+
+public class RepresentationUtils {
+
+	private static Logger log = LoggerFactory.getLogger(RepresentationUtils.class.getName());
+
+	public static class ResourceRep {
+
+	}
+
+	/**
+	 * Build Representation of given Object
+	 * 
+	 * @param elementToRepresent
+	 * @return
+	 * @throws IOException
+	 * @throws JsonGenerationException
+	 * @throws JsonMappingException
+	 */
+	public static <T> Object toRepresentation(T elementToRepresent) throws IOException, JsonGenerationException, JsonMappingException {
+
+		// return theResource;
+		ObjectMapper mapper = new ObjectMapper();
+		mapper.configure(Feature.FAIL_ON_EMPTY_BEANS, false);
+		mapper.setSerializationInclusion(JsonSerialize.Inclusion.NON_NULL);
+		return mapper.writeValueAsString(elementToRepresent);
+	}
+
+	public static <T> T fromRepresentation(String json, Class<T> clazz) {
+		ObjectMapper mapper = new ObjectMapper();
+		T object = null;
+		mapper.configure(DeserializationConfig.Feature.FAIL_ON_UNKNOWN_PROPERTIES, false);
+		mapper.configure(Feature.FAIL_ON_EMPTY_BEANS, false);
+		mapper.setSerializationInclusion(JsonSerialize.Inclusion.NON_NULL);
+		try {
+			object = mapper.readValue(json, clazz);
+		} catch (Exception e) {
+			log.error("Error when parsing JSON of object of type {}", clazz.getSimpleName(), e);
+		} // return null in case of exception
+
+		return object;
+	}
+
+	public static ArtifactDefinition convertJsonToArtifactDefinition(String content, Class<ArtifactDefinition> clazz) {
+
+		JsonObject jsonElement = new JsonObject();
+		ArtifactDefinition resourceInfo = null;
+		try {
+			Gson gson = new Gson();
+			jsonElement = gson.fromJson(content, jsonElement.getClass());
+			JsonElement artifactGroupValue = jsonElement.get(Constants.ARTIFACT_GROUP_TYPE_FIELD);
+			if (artifactGroupValue != null && !artifactGroupValue.isJsonNull()) {
+				String groupValueUpper = artifactGroupValue.getAsString().toUpperCase();
+				if (!ArtifactGroupTypeEnum.getAllTypes().contains(groupValueUpper)) {
+					StringBuilder sb = new StringBuilder();
+					for (String value : ArtifactGroupTypeEnum.getAllTypes()) {
+						sb.append(value).append(", ");
+					}
+					log.debug("artifactGroupType is {}. valid values are: {}", groupValueUpper, sb.toString());
+					return null;
+				} else {
+					jsonElement.remove(Constants.ARTIFACT_GROUP_TYPE_FIELD);
+					jsonElement.addProperty(Constants.ARTIFACT_GROUP_TYPE_FIELD, groupValueUpper);
+				}
+			}
+			String payload = null;
+			JsonElement artifactPayload = jsonElement.get(Constants.ARTIFACT_PAYLOAD_DATA);
+			if (artifactPayload != null && !artifactPayload.isJsonNull()) {
+				payload = artifactPayload.getAsString();
+			}
+			jsonElement.remove(Constants.ARTIFACT_PAYLOAD_DATA);
+			resourceInfo = gson.fromJson(jsonElement, clazz);
+			resourceInfo.setPayloadData(payload);
+
+		} catch (Exception e) {
+			BeEcompErrorManager.getInstance().processEcompError(EcompErrorName.BeArtifactInformationInvalidError, "Artifact Upload / Update");
+			BeEcompErrorManager.getInstance().logBeArtifactInformationInvalidError("Artifact Upload / Update");
+			log.debug("Failed to convert the content {} to object. {}", content.substring(0, Math.min(50, content.length())), e);
+		}
+
+		return resourceInfo;
+	}
+
+}