diff options
Diffstat (limited to 'aai-utils/src/main/java')
3 files changed, 227 insertions, 0 deletions
diff --git a/aai-utils/src/main/java/org/onap/aaiutils/oxm/OxmModelLoader.java b/aai-utils/src/main/java/org/onap/aaiutils/oxm/OxmModelLoader.java new file mode 100644 index 00000000..9d9d9ad3 --- /dev/null +++ b/aai-utils/src/main/java/org/onap/aaiutils/oxm/OxmModelLoader.java @@ -0,0 +1,129 @@ +/** + * ============LICENSE_START======================================================= + * org.onap.aai + * ================================================================================ + * Copyright © 2017 AT&T Intellectual Property. + * Copyright © 2017 Amdocs + * All rights reserved. + * ================================================================================ + * 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========================================================= + * + * ECOMP is a trademark and service mark of AT&T Intellectual Property. + */ +package org.onap.aaiutils.oxm; + +import org.eclipse.persistence.jaxb.JAXBContextProperties; +import org.eclipse.persistence.jaxb.dynamic.DynamicJAXBContext; +import org.eclipse.persistence.jaxb.dynamic.DynamicJAXBContextFactory; +import org.openecomp.cl.eelf.LoggerFactory; +import org.springframework.core.io.Resource; +import org.springframework.core.io.support.PathMatchingResourcePatternResolver; +import org.springframework.core.io.support.ResourcePatternResolver; + +import java.io.*; +import java.util.HashMap; +import java.util.Map; +import java.util.concurrent.ConcurrentHashMap; +import java.util.regex.Matcher; +import java.util.regex.Pattern; +import javax.xml.bind.JAXBException; + + +public class OxmModelLoader { + + final static Pattern p = Pattern.compile("aai_oxm_(.*).xml"); + + private static Map<String, DynamicJAXBContext> versionContextMap = new ConcurrentHashMap(); + + private static org.openecomp.cl.api.Logger logger = LoggerFactory.getInstance() + .getLogger(OxmModelLoader.class.getName()); + + public synchronized static void loadModels() throws Exception { + ClassLoader cl = OxmModelLoader.class.getClassLoader(); + ResourcePatternResolver resolver = new PathMatchingResourcePatternResolver(cl); + Resource[] resources; + try { + resources = resolver.getResources("classpath*:/oxm/aai_oxm*.xml"); + } catch (IOException ex) { + logger.error( OxmModelLoaderMsgs.OXM_LOAD_ERROR, ex.getMessage()); + throw new FileNotFoundException("OXM files not found on classpath."); + } + + if (resources.length == 0) { + logger.error(OxmModelLoaderMsgs.OXM_LOAD_ERROR, "No OXM schema files found on classpath"); + throw new Exception("Failed to load schema"); + } + + for (Resource resource : resources) { + Matcher matcher = p.matcher(resource.getFilename()); + + if (matcher.matches()) { + try { + OxmModelLoader.loadModel(matcher.group(1), resource); + } catch (Exception e) { + logger.error(OxmModelLoaderMsgs.OXM_LOAD_ERROR, "Failed to load " + resource.getFilename() + + ": " + e.getMessage()); + throw new Exception("Failed to load schema"); + } + } + } + } + + public static DynamicJAXBContext getContextForVersion(String version) throws Exception { + if (versionContextMap == null || versionContextMap.isEmpty()) { + loadModels(); + } else if (!versionContextMap.containsKey(version)) { + String filename = OxmModelLoaderConstants.AaiUtils_HOME_MODEL + "aai_oxm_" + version + ".xml"; + try { + loadModel(version, new File(filename)); + } catch (Exception e) { + throw new FileNotFoundException(filename); + } + } + + return versionContextMap.get(version); + } + + public static Map<String, DynamicJAXBContext> getVersionContextMap() { + return versionContextMap; + } + + public static void setVersionContextMap(Map<String, DynamicJAXBContext> versionContextMap) { + OxmModelLoader.versionContextMap = versionContextMap; + } + + private synchronized static void loadModel ( String version, File file ) + throws JAXBException, IOException { + InputStream inputStream = new FileInputStream ( file ); + loadModel ( version, file.getName (), inputStream ); + } + + private synchronized static void loadModel ( String version, Resource resource ) + throws JAXBException, IOException { + InputStream inputStream = resource.getInputStream (); + loadModel ( version, resource.getFilename (), inputStream ); + } + + private synchronized static void loadModel ( String version, String resourceName, + InputStream inputStream ) + throws JAXBException, IOException { + Map<String, Object> properties = new HashMap<String, Object> (); + properties.put ( JAXBContextProperties.OXM_METADATA_SOURCE, inputStream ); + final DynamicJAXBContext jaxbContext = DynamicJAXBContextFactory + .createContextFromOXM ( Thread.currentThread ().getContextClassLoader (), properties ); + versionContextMap.put ( version, jaxbContext ); + logger.info ( OxmModelLoaderMsgs.LOADED_OXM_FILE, resourceName ); + } + +} diff --git a/aai-utils/src/main/java/org/onap/aaiutils/oxm/OxmModelLoaderConstants.java b/aai-utils/src/main/java/org/onap/aaiutils/oxm/OxmModelLoaderConstants.java new file mode 100644 index 00000000..0f8a54f5 --- /dev/null +++ b/aai-utils/src/main/java/org/onap/aaiutils/oxm/OxmModelLoaderConstants.java @@ -0,0 +1,34 @@ +/** + * ============LICENSE_START======================================================= + * org.onap.aai + * ================================================================================ + * Copyright © 2017 AT&T Intellectual Property. + * Copyright © 2017 Amdocs + * All rights reserved. + * ================================================================================ + * 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========================================================= + * + * ECOMP is a trademark and service mark of AT&T Intellectual Property. + */ +package org.onap.aaiutils.oxm; + +public class OxmModelLoaderConstants { + + public static final String AaiUtils_FILESEP = (System.getProperty ( "file.separator" ) == null) ? "/" + : System.getProperty ( "file.separator" ); + + public static final String AaiUtils_SPECIFIC_CONFIG = System.getProperty ( "CONFIG_HOME" ) + AaiUtils_FILESEP; + + public static final String AaiUtils_HOME_MODEL = AaiUtils_SPECIFIC_CONFIG + "model" + AaiUtils_FILESEP; +} diff --git a/aai-utils/src/main/java/org/onap/aaiutils/oxm/OxmModelLoaderMsgs.java b/aai-utils/src/main/java/org/onap/aaiutils/oxm/OxmModelLoaderMsgs.java new file mode 100644 index 00000000..c94e3f1b --- /dev/null +++ b/aai-utils/src/main/java/org/onap/aaiutils/oxm/OxmModelLoaderMsgs.java @@ -0,0 +1,64 @@ +/** + * ============LICENSE_START======================================================= + * org.onap.aai + * ================================================================================ + * Copyright © 2017 AT&T Intellectual Property. + * Copyright © 2017 Amdocs + * All rights reserved. + * ================================================================================ + * 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========================================================= + * + * ECOMP is a trademark and service mark of AT&T Intellectual Property. + */ +package org.onap.aaiutils.oxm; + +import com.att.eelf.i18n.EELFResourceManager; +import org.openecomp.cl.eelf.LogMessageEnum; + +public enum OxmModelLoaderMsgs implements LogMessageEnum { + + + /** + * Invalid Model File + * Arguments: + * {0} = File/Dir + * {1} = error + */ + + INVALID_OXM_FILE, + INVALID_OXM_DIR, + + /** + * Unable to load OXM schema: {0} + * + * <p>Arguments: + * {0} = error + */ + OXM_LOAD_ERROR, + + /** + * Successfully loaded schema: {0} + * + * <p>Arguments: + * {0} = oxm filename + */ + LOADED_OXM_FILE; + + /** + * Static initializer to ensure the resource bundles for this class are loaded... + */ + static { + EELFResourceManager.loadMessageBundle("oxm/OxmModelLoaderMsgs"); + } +} |