diff options
Diffstat (limited to 'src/main/java/org/onap/aai/schema/OxmModelLoader.java')
-rw-r--r-- | src/main/java/org/onap/aai/schema/OxmModelLoader.java | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/src/main/java/org/onap/aai/schema/OxmModelLoader.java b/src/main/java/org/onap/aai/schema/OxmModelLoader.java new file mode 100644 index 0000000..1e62cfc --- /dev/null +++ b/src/main/java/org/onap/aai/schema/OxmModelLoader.java @@ -0,0 +1,101 @@ +/** + * ============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.schema; + +import java.util.ArrayList; +import java.util.Collection; +import java.util.List; +import java.util.Map; +import java.util.NoSuchElementException; +import java.util.concurrent.ConcurrentHashMap; +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.logging.RouterCoreMsgs; +import org.onap.aai.util.ExternalOxmModelProcessor; +import org.onap.aai.nodes.NodeIngestor; +import org.onap.aai.setup.ConfigTranslator; +import org.onap.aai.setup.SchemaLocationsBean; +import org.onap.aai.setup.Version; + +public class OxmModelLoader { + + private static Map<String, DynamicJAXBContext> versionContextMap = new ConcurrentHashMap<>(); + private static List<ExternalOxmModelProcessor> oxmModelProcessorRegistry = new ArrayList<>(); + + private static final org.onap.aai.cl.api.Logger logger = + LoggerFactory.getInstance().getLogger(OxmModelLoader.class.getName()); + + private OxmModelLoader() { + throw new IllegalStateException("Utility class"); + } + + public static synchronized void loadModels() { + SchemaIngestPropertiesReader schemaIngestPropReader = new SchemaIngestPropertiesReader(); + SchemaLocationsBean schemaLocationsBean = new SchemaLocationsBean(); + schemaLocationsBean.setNodeDirectory(schemaIngestPropReader.getNodeDir()); + ConfigTranslator configTranslator = new OxmConfigTranslator(schemaLocationsBean); + NodeIngestor nodeIngestor = new NodeIngestor(configTranslator); + + for (Version oxmVersion : Version.values()) { + DynamicJAXBContext jaxbContext = nodeIngestor.getContextForVersion(oxmVersion); + if (jaxbContext != null) { + loadModel(oxmVersion.toString(), jaxbContext); + } + } + } + + public static DynamicJAXBContext getContextForVersion(String version) { + if (versionContextMap == null || versionContextMap.isEmpty()) { + loadModels(); + } else if (!versionContextMap.containsKey(version)) { + throw new NoSuchElementException(Status.NOT_FOUND.toString()); + } + return versionContextMap.get(version); + } + + public static synchronized void registerExternalOxmModelProcessors( + Collection<ExternalOxmModelProcessor> processors) { + if (processors != null) { + for (ExternalOxmModelProcessor processor : processors) { + if (!oxmModelProcessorRegistry.contains(processor)) { + oxmModelProcessorRegistry.add(processor); + } + } + } + } + + public static Map<String, DynamicJAXBContext> getVersionContextMap() { + return versionContextMap; + } + + private static synchronized void loadModel(String oxmVersion, DynamicJAXBContext jaxbContext) { + versionContextMap.put(oxmVersion, jaxbContext); + if (oxmModelProcessorRegistry != null) { + for (ExternalOxmModelProcessor processor : oxmModelProcessorRegistry) { + processor.onOxmVersionChange(org.onap.aai.util.Version.valueOf(oxmVersion.toLowerCase()), + jaxbContext); + } + } + logger.info(RouterCoreMsgs.LOADED_OXM_FILE, oxmVersion); + } + +} |