2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright © 2017 AT&T Intellectual Property.
6 * Copyright © 2017 Amdocs
8 * ================================================================================
9 * Licensed under the Apache License, Version 2.0 (the "License");
10 * you may not use this file except in compliance with the License.
11 * You may obtain a copy of the License at
13 * http://www.apache.org/licenses/LICENSE-2.0
15 * Unless required by applicable law or agreed to in writing, software
16 * distributed under the License is distributed on an "AS IS" BASIS,
17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18 * See the License for the specific language governing permissions and
19 * limitations under the License.
20 * ============LICENSE_END=========================================================
22 * ECOMP and OpenECOMP are trademarks
23 * and service marks of AT&T Intellectual Property.
25 package org.openecomp.datarouter.util;
27 import java.io.FileNotFoundException;
28 import java.io.IOException;
29 import java.io.InputStream;
30 import java.util.ArrayList;
31 import java.util.Collection;
32 import java.util.HashMap;
33 import java.util.List;
35 import java.util.concurrent.ConcurrentHashMap;
36 import java.util.regex.Matcher;
37 import java.util.regex.Pattern;
39 import javax.ws.rs.core.Response.Status;
40 import javax.xml.bind.JAXBException;
42 import org.eclipse.persistence.jaxb.JAXBContextProperties;
43 import org.eclipse.persistence.jaxb.dynamic.DynamicJAXBContext;
44 import org.eclipse.persistence.jaxb.dynamic.DynamicJAXBContextFactory;
45 import org.openecomp.cl.eelf.LoggerFactory;
46 import org.openecomp.datarouter.logging.DataRouterMsgs;
48 import org.openecomp.datarouter.util.ExternalOxmModelProcessor;
49 import org.springframework.core.io.Resource;
50 import org.springframework.core.io.support.PathMatchingResourcePatternResolver;
51 import org.springframework.core.io.support.ResourcePatternResolver;
53 public class OxmModelLoader {
55 private static Map<String, DynamicJAXBContext> versionContextMap = new ConcurrentHashMap<String, DynamicJAXBContext>();
56 private static List<ExternalOxmModelProcessor> oxmModelProcessorRegistry = new ArrayList<ExternalOxmModelProcessor>();
57 final static Pattern p = Pattern.compile("aai_oxm_(.*).xml");
61 private static org.openecomp.cl.api.Logger logger = LoggerFactory.getInstance()
62 .getLogger(OxmModelLoader.class.getName());
64 public synchronized static void loadModels() throws FileNotFoundException {
66 ClassLoader cl = OxmModelLoader.class.getClassLoader();
67 ResourcePatternResolver resolver = new PathMatchingResourcePatternResolver(cl);
70 resources = resolver.getResources("classpath*:/oxm/aai_oxm*.xml");
71 } catch (IOException ex) {
72 logger.error(DataRouterMsgs.LOAD_OXM_ERROR, ex.getMessage());
73 throw new FileNotFoundException("Unable to load OXM models from schema path : /oxm/aai_oxm*.xml");
76 if (resources.length == 0) {
77 logger.error(DataRouterMsgs.LOAD_OXM_ERROR, "No OXM schema files found on classpath");
78 throw new FileNotFoundException("Unable to load OXM models from schema path : /oxm/aai_oxm*.xml");
81 for (Resource resource : resources) {
82 Matcher matcher = p.matcher(resource.getFilename());
84 if (matcher.matches()) {
86 OxmModelLoader.loadModel(matcher.group(1), resource.getFilename(),resource.getInputStream());
87 } catch (Exception e) {
88 logger.error(DataRouterMsgs.LOAD_OXM_ERROR, "Failed to load " + resource.getFilename()
89 + ": " + e.getMessage());
99 private synchronized static void loadModel(String version,String resourceName,InputStream inputStream) throws JAXBException, FileNotFoundException {
100 Map<String, Object> properties = new HashMap<String, Object>();
101 properties.put(JAXBContextProperties.OXM_METADATA_SOURCE, inputStream);
102 final DynamicJAXBContext jaxbContext = DynamicJAXBContextFactory
103 .createContextFromOXM(Thread.currentThread().getContextClassLoader(), properties);
104 versionContextMap.put(version, jaxbContext);
105 if ( oxmModelProcessorRegistry != null) {
106 for ( ExternalOxmModelProcessor processor : oxmModelProcessorRegistry ) {
107 processor.onOxmVersionChange(Version.valueOf(version), jaxbContext );
110 logger.info(DataRouterMsgs.LOADED_OXM_FILE, resourceName);
113 public static DynamicJAXBContext getContextForVersion(String version) throws Exception {
114 if (versionContextMap == null || versionContextMap.isEmpty()) {
116 } else if (!versionContextMap.containsKey(version)) {
117 throw new Exception(Status.NOT_FOUND.toString());
121 return versionContextMap.get(version);
124 public static Map<String, DynamicJAXBContext> getVersionContextMap() {
125 return versionContextMap;
128 public static void setVersionContextMap(Map<String, DynamicJAXBContext> versionContextMap) {
129 OxmModelLoader.versionContextMap = versionContextMap;
132 public synchronized static void registerExternalOxmModelProcessors(Collection<ExternalOxmModelProcessor> processors) {
133 if(processors != null) {
134 for(ExternalOxmModelProcessor processor : processors) {
135 if(!oxmModelProcessorRegistry.contains(processor)) {
136 oxmModelProcessorRegistry.add(processor);