--- /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.aai.spike.schema;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+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.aai.spike.exception.SpikeException;
+import org.onap.aai.spike.logging.SpikeMsgs;
+import org.onap.aai.spike.util.SchemaIngestPropertiesReader;
+
+/**
+ * This class contains all of the logic for importing OXM model schemas from the available OXM
+ * schema files.
+ */
+public class OXMModelLoader {
+
+ private static Map<String, DynamicJAXBContext> versionContextMap =
+ new ConcurrentHashMap<String, DynamicJAXBContext>();
+
+ final static Pattern p = Pattern.compile("aai_oxm_(.*).xml");
+ final static Pattern versionPattern = Pattern.compile("V(\\d*)");
+
+ private static org.onap.aai.cl.api.Logger logger =
+ LoggerFactory.getInstance().getLogger(OXMModelLoader.class.getName());
+
+ /**
+ * Finds all OXM model files
+ *
+ * @throws SpikeException
+ * @throws IOException
+ *
+ */
+ public synchronized static void loadModels() throws SpikeException {
+ SchemaIngestPropertiesReader schemaIngestPropReader = new SchemaIngestPropertiesReader();
+ SchemaLocationsBean schemaLocationsBean = new SchemaLocationsBean();
+ schemaLocationsBean.setNodeDirectory(schemaIngestPropReader.getNodeDir());
+ schemaLocationsBean.setEdgeDirectory(schemaIngestPropReader.getEdgeDir());
+ ConfigTranslator configTranslator = new OxmConfigTranslator(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(), jaxbContext);
+ }
+ }
+ }
+
+
+ private synchronized static void loadModel(String oxmVersion, DynamicJAXBContext jaxbContext) {
+ versionContextMap.put(oxmVersion, jaxbContext);
+ logger.info(SpikeMsgs.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 SpikeException {
+
+ // 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)) {
+ throw new SpikeException("Error loading oxm model: " + version);
+ }
+
+ return versionContextMap.get(version);
+ }
+
+ public static String getLatestVersion() throws SpikeException {
+
+ // 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()) {
+ throw new SpikeException("No available OXM schemas to get latest version for.");
+ }
+
+ // 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);
+ if (matcher.find()) {
+
+ int currentVersion = Integer.valueOf(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;
+ }
+
+ /**
+ * Retrieves the list of all Loaded OXM versions.
+ *
+ * @return - A List of Strings of all loaded OXM versions.
+ *
+ * @throws SpikeException
+ */
+ public static List<String> getLoadedOXMVersions() throws SpikeException {
+ // 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(SpikeMsgs.OXM_LOAD_ERROR, "No available OXM schemas to get versions for.");
+ throw new SpikeException("No available OXM schemas to get latest version for.");
+ }
+ List<String> versions = new ArrayList<String>();
+ for (String versionKey : versionContextMap.keySet()) {
+ Matcher matcher = versionPattern.matcher(versionKey.toUpperCase());
+ if (matcher.find()) {
+ versions.add("V" + matcher.group(1));
+ }
+ }
+ return versions;
+ }
+}
Code Review / aai / spike.git / blobdiff