2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
6 * Copyright © 2017 Amdocs
7 * ================================================================================
8 * Licensed under the Apache License, Version 2.0 (the "License");
9 * you may not use this file except in compliance with the License.
10 * You may obtain a copy of the License at
12 * http://www.apache.org/licenses/LICENSE-2.0
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS,
16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 * See the License for the specific language governing permissions and
18 * limitations under the License.
19 * ============LICENSE_END=========================================================
21 * ECOMP is a trademark and service mark of AT&T Intellectual Property.
23 package org.openecomp.datarouter.util;
25 import java.io.FileNotFoundException;
26 import java.io.IOException;
27 import java.io.InputStream;
28 import java.util.ArrayList;
29 import java.util.Collection;
30 import java.util.HashMap;
31 import java.util.List;
33 import java.util.concurrent.ConcurrentHashMap;
34 import java.util.regex.Matcher;
35 import java.util.regex.Pattern;
37 import javax.ws.rs.core.Response.Status;
38 import javax.xml.bind.JAXBException;
40 import org.eclipse.persistence.jaxb.JAXBContextProperties;
41 import org.eclipse.persistence.jaxb.dynamic.DynamicJAXBContext;
42 import org.eclipse.persistence.jaxb.dynamic.DynamicJAXBContextFactory;
43 import org.onap.aai.cl.eelf.LoggerFactory;
44 import org.openecomp.datarouter.logging.DataRouterMsgs;
46 import org.openecomp.datarouter.util.ExternalOxmModelProcessor;
47 import org.springframework.core.io.Resource;
48 import org.springframework.core.io.support.PathMatchingResourcePatternResolver;
49 import org.springframework.core.io.support.ResourcePatternResolver;
51 public class OxmModelLoader {
53 private static Map<String, DynamicJAXBContext> versionContextMap = new ConcurrentHashMap<>();
54 private static List<ExternalOxmModelProcessor> oxmModelProcessorRegistry = new ArrayList<>();
55 final static Pattern p = Pattern.compile("aai_oxm_(.*).xml");
59 private static org.onap.aai.cl.api.Logger logger = LoggerFactory.getInstance()
60 .getLogger(OxmModelLoader.class.getName());
62 public synchronized static void loadModels() throws FileNotFoundException {
64 ClassLoader cl = OxmModelLoader.class.getClassLoader();
65 ResourcePatternResolver resolver = new PathMatchingResourcePatternResolver(cl);
68 resources = resolver.getResources("classpath*:/oxm/aai_oxm*.xml");
69 } catch (IOException ex) {
70 logger.error(DataRouterMsgs.LOAD_OXM_ERROR, ex.getMessage());
71 throw new FileNotFoundException("Unable to load OXM models from schema path : /oxm/aai_oxm*.xml");
74 if (resources.length == 0) {
75 logger.error(DataRouterMsgs.LOAD_OXM_ERROR, "No OXM schema files found on classpath");
76 throw new FileNotFoundException("Unable to load OXM models from schema path : /oxm/aai_oxm*.xml");
79 for (Resource resource : resources) {
80 Matcher matcher = p.matcher(resource.getFilename());
82 if (matcher.matches()) {
84 OxmModelLoader.loadModel(matcher.group(1), resource.getFilename(),resource.getInputStream());
85 } catch (Exception e) {
86 logger.error(DataRouterMsgs.LOAD_OXM_ERROR, "Failed to load " + resource.getFilename()
87 + ": " + e.getMessage());
97 private synchronized static void loadModel(String version,String resourceName,InputStream inputStream) throws JAXBException, FileNotFoundException {
98 Map<String, Object> properties = new HashMap<>();
99 properties.put(JAXBContextProperties.OXM_METADATA_SOURCE, inputStream);
100 final DynamicJAXBContext jaxbContext = DynamicJAXBContextFactory
101 .createContextFromOXM(Thread.currentThread().getContextClassLoader(), properties);
102 versionContextMap.put(version, jaxbContext);
103 if ( oxmModelProcessorRegistry != null) {
104 for ( ExternalOxmModelProcessor processor : oxmModelProcessorRegistry ) {
105 processor.onOxmVersionChange(Version.valueOf(version), jaxbContext );
108 logger.info(DataRouterMsgs.LOADED_OXM_FILE, resourceName);
111 public static DynamicJAXBContext getContextForVersion(String version) throws Exception {
112 if (versionContextMap == null || versionContextMap.isEmpty()) {
114 } else if (!versionContextMap.containsKey(version)) {
115 throw new Exception(Status.NOT_FOUND.toString());
119 return versionContextMap.get(version);
122 public static Map<String, DynamicJAXBContext> getVersionContextMap() {
123 return versionContextMap;
126 public static void setVersionContextMap(Map<String, DynamicJAXBContext> versionContextMap) {
127 OxmModelLoader.versionContextMap = versionContextMap;
130 public synchronized static void registerExternalOxmModelProcessors(Collection<ExternalOxmModelProcessor> processors) {
131 if(processors != null) {
132 for(ExternalOxmModelProcessor processor : processors) {
133 if(!oxmModelProcessorRegistry.contains(processor)) {
134 oxmModelProcessorRegistry.add(processor);