--- /dev/null
+/**
+ * ============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.schema;
+
+import java.io.IOException;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+import javax.ws.rs.core.Response.Status;
+import org.eclipse.persistence.jaxb.dynamic.DynamicJAXBContext;
+import org.onap.aai.cl.eelf.LoggerFactory;
+import org.onap.aai.nodes.NodeIngestor;
+import org.onap.aai.setup.ConfigTranslator;
+import org.onap.aai.setup.SchemaLocationsBean;
+import org.onap.aai.setup.Version;
+import org.onap.crud.exception.CrudException;
+import org.onap.crud.logging.CrudServiceMsgs;
+import org.onap.schema.util.SchemaIngestPropertyReader;
+
+public class OxmModelLoader {
+
+ private static Map<String, DynamicJAXBContext> versionContextMap =
+ new ConcurrentHashMap<>();
+
+ static final Pattern p = Pattern.compile("aai_oxm_(.*).xml");
+ static final Pattern versionPattern = Pattern.compile("V(\\d*)");
+
+ private static org.onap.aai.cl.api.Logger logger =
+ LoggerFactory.getInstance().getLogger(OxmModelLoader.class.getName());
+
+ private OxmModelLoader() {
+ }
+
+ /**
+ * Finds all OXM model files
+ *
+ * @throws SpikeException
+ * @throws IOException
+ *
+ */
+ public static synchronized void loadModels() throws CrudException {
+ SchemaIngestPropertyReader schemaIngestPropertyReader = new SchemaIngestPropertyReader();
+
+ SchemaLocationsBean schemaLocationsBean = new SchemaLocationsBean();
+ schemaLocationsBean.setNodeDirectory(schemaIngestPropertyReader.getNodeDir());
+ ConfigTranslator configTranslator = new OxmModelConfigTranslator(schemaLocationsBean);
+ NodeIngestor nodeIngestor = new NodeIngestor(configTranslator);
+
+ if (logger.isDebugEnabled()) {
+ logger.debug("Loading OXM Models");
+ }
+
+ for (Version oxmVersion : Version.values()) {
+ DynamicJAXBContext jaxbContext = nodeIngestor.getContextForVersion(oxmVersion);
+ if (jaxbContext != null) {
+ loadModel(oxmVersion.toString().toLowerCase(), jaxbContext);
+ }
+ }
+ }
+
+
+ private static synchronized void loadModel(String oxmVersion, DynamicJAXBContext jaxbContext) {
+ versionContextMap.put(oxmVersion, jaxbContext);
+ logger.info(CrudServiceMsgs.LOADED_OXM_FILE, oxmVersion);
+ }
+
+ /**
+ * Retrieves the JAXB context for the specified OXM model version.
+ *
+ * @param version - The OXM version that we want the JAXB context for.
+ *
+ * @return - A JAXB context derived from the OXM model schema.
+ *
+ * @throws SpikeException
+ */
+ public static DynamicJAXBContext getContextForVersion(String version) throws CrudException {
+
+ // If we haven't already loaded in the available OXM models, then do so now.
+ if (versionContextMap == null || versionContextMap.isEmpty()) {
+ loadModels();
+ } else if (!versionContextMap.containsKey(version)) {
+ logger.error(CrudServiceMsgs.OXM_LOAD_ERROR, "Error loading oxm model: " + version);
+ throw new CrudException("Error loading oxm model: " + version, Status.INTERNAL_SERVER_ERROR);
+ }
+
+ return versionContextMap.get(version);
+ }
+
+ public static String getLatestVersion() throws CrudException {
+
+ // If we haven't already loaded in the available OXM models, then do so now.
+ if (versionContextMap == null || versionContextMap.isEmpty()) {
+ loadModels();
+ }
+
+ // If there are still no models available, then there's not much we can do...
+ if (versionContextMap.isEmpty()) {
+ logger.error(CrudServiceMsgs.OXM_LOAD_ERROR, "No available OXM schemas to get latest version for.");
+ throw new CrudException("No available OXM schemas to get latest version for.",
+ Status.INTERNAL_SERVER_ERROR);
+ }
+
+ // Iterate over the available model versions to determine which is the most
+ // recent.
+ Integer latestVersion = null;
+ String latestVersionStr = null;
+ for (String versionKey : versionContextMap.keySet()) {
+
+ Matcher matcher = versionPattern.matcher(versionKey.toUpperCase());
+ if (matcher.find()) {
+
+ int currentVersion = Integer.parseInt(matcher.group(1));
+
+ if ((latestVersion == null) || (currentVersion > latestVersion)) {
+ latestVersion = currentVersion;
+ latestVersionStr = versionKey;
+ }
+ }
+ }
+
+ return latestVersionStr;
+ }
+
+ /**
+ * Retrieves the map of all JAXB context objects that have been created by importing the
+ * available OXM model schemas.
+ *
+ * @return - Map of JAXB context objects.
+ */
+ public static Map<String, DynamicJAXBContext> getVersionContextMap() {
+ return versionContextMap;
+ }
+
+ /**
+ * Assigns the map of all JAXB context objects.
+ *
+ * @param versionContextMap
+ */
+ public static void setVersionContextMap(Map<String, DynamicJAXBContext> versionContextMap) {
+ OxmModelLoader.versionContextMap = versionContextMap;
+ }
+}
Code Review / aai / gizmo.git / blobdiff