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authorShwetank Dave <shwetank.dave@amdocs.com>2017-08-30 10:21:33 -0400
committerShwetank Dave <shwetank.dave@amdocs.com>2017-08-30 12:13:53 -0400
commit5113e565c89332abfb91d586fd05abfbfed466ae (patch)
tree9a453c063cff25888b65525f8acb9b8fe32b82dc /aai-utils/src/main/java
parent8dd94f5ef470840a9f58db22c38349914ff27d5f (diff)
Added aai-utils and OXM Model Loader functionality
Issue-ID: AAI-245  Change-Id: Ic982cc07dd76e8a931d4f725ca4e71f2db7ef8a2 Signed-off-by: Shwetank Dave <shwetank.dave@amdocs.com>
Diffstat (limited to 'aai-utils/src/main/java')
-rw-r--r--aai-utils/src/main/java/org/onap/aaiutils/oxm/OxmModelLoader.java129
-rw-r--r--aai-utils/src/main/java/org/onap/aaiutils/oxm/OxmModelLoaderConstants.java34
-rw-r--r--aai-utils/src/main/java/org/onap/aaiutils/oxm/OxmModelLoaderMsgs.java64
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");
+ }
+}