diff options
Diffstat (limited to 'env/src/main/java/org/onap/aaf/inno/env/jaxb/JAXBumar.java')
| -rw-r--r-- | env/src/main/java/org/onap/aaf/inno/env/jaxb/JAXBumar.java | 242 |
1 files changed, 242 insertions, 0 deletions
diff --git a/env/src/main/java/org/onap/aaf/inno/env/jaxb/JAXBumar.java b/env/src/main/java/org/onap/aaf/inno/env/jaxb/JAXBumar.java new file mode 100644 index 0000000..cd31301 --- /dev/null +++ b/env/src/main/java/org/onap/aaf/inno/env/jaxb/JAXBumar.java @@ -0,0 +1,242 @@ +/*******************************************************************************
+ * ============LICENSE_START====================================================
+ * * org.onap.aaf
+ * * ===========================================================================
+ * * Copyright © 2017 AT&T Intellectual Property. 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.
+ * *
+ ******************************************************************************/
+/**
+ * JAXBumar.java
+ *
+ * Created on: Apr 10, 2009
+ * Created by:
+ *
+ * Revamped to do away with ThreadLocal 5/27/2011,
+ *
+ * (c) 2009 SBC Knowledge Ventures, L.P. All rights reserved.
+ *******************************************************************
+ * RESTRICTED - PROPRIETARY INFORMATION The Information contained
+ * herein is for use only by authorized employees of AT&T Services,
+ * Inc., and authorized Affiliates of AT&T Services, Inc., and is
+ * not for general distribution within or outside the respective
+ * companies.
+ *******************************************************************
+ */
+package org.onap.aaf.inno.env.jaxb;
+
+import java.io.File;
+import java.io.InputStream;
+import java.io.Reader;
+import java.io.StringReader;
+import java.util.HashMap;
+import java.util.Map;
+
+import javax.xml.bind.JAXBContext;
+import javax.xml.bind.JAXBException;
+import javax.xml.bind.Unmarshaller;
+import javax.xml.stream.XMLEventReader;
+import javax.xml.stream.XMLStreamReader;
+import javax.xml.transform.stream.StreamSource;
+import javax.xml.validation.Schema;
+
+import org.onap.aaf.inno.env.APIException;
+import org.onap.aaf.inno.env.LogTarget;
+import org.onap.aaf.inno.env.util.Pool;
+import org.onap.aaf.inno.env.util.Pool.Pooled;
+import org.w3c.dom.Node;
+
+/**
+ * JAXBumar classes are inexpensive for going in and out of scope
+ * and have been made thread safe via Pooling
+ *
+ */
+public class JAXBumar {
+ // Need to store off possible JAXBContexts based on Class, which will be stored in Creator
+ private static Map<Class<?>[],Pool<SUnmarshaller>> pools = new HashMap<Class<?>[], Pool<SUnmarshaller>>();
+
+ private Class<?> cls;
+ private Schema schema;
+ private Pool<SUnmarshaller> mpool;;
+
+ // Handle Marshaller class setting of properties only when needed
+ private class SUnmarshaller {
+ private Unmarshaller u;
+ private Schema s;
+
+ public SUnmarshaller(Unmarshaller unmarshaller) throws JAXBException {
+ u = unmarshaller;
+ s = null;
+ }
+
+ public Unmarshaller get(Schema schema) throws JAXBException {
+ if(s != schema) {
+ u.setSchema(s = schema);
+ }
+ return u;
+ }
+ }
+
+ private class Creator implements Pool.Creator<SUnmarshaller> {
+ private JAXBContext jc;
+ private String name;
+
+ public Creator(Class<?>[] classes) throws JAXBException {
+ jc = JAXBContext.newInstance(classes);
+ name = "JAXBumar: " + classes[0].getName();
+ }
+
+ // @Override
+ public SUnmarshaller create() throws APIException {
+ try {
+ return new SUnmarshaller(jc.createUnmarshaller());
+ } catch (JAXBException e) {
+ throw new APIException(e);
+ }
+ }
+
+ public String toString() {
+ return name;
+ }
+
+ // @Override
+ public void destroy(SUnmarshaller sui) {
+ // Nothing to do
+ }
+
+ // @Override
+ public boolean isValid(SUnmarshaller t) {
+ return true;
+ }
+
+ // @Override
+ public void reuse(SUnmarshaller t) {
+ // Nothing to do here
+ }
+
+ }
+
+ private Pool<SUnmarshaller> getPool(Class<?> ... classes) throws JAXBException {
+ Pool<SUnmarshaller> mp;
+ synchronized(pools) {
+ mp = pools.get(classes);
+ if(mp==null) {
+ pools.put(classes,mp = new Pool<SUnmarshaller>(new Creator(classes)));
+ }
+ }
+ return mp;
+ }
+
+ public JAXBumar(Class<?> ... classes) throws JAXBException {
+ cls = classes[0];
+ mpool = getPool(classes);
+ schema = null;
+ }
+
+ /**
+ * Constructs a new JAXBumar with schema validation enabled.
+ *
+ * @param schema
+ * @param theClass
+ * @throws JAXBException
+ */
+ public JAXBumar(Schema schema, Class<?> ... classes) throws JAXBException {
+ cls = classes[0];
+ mpool = getPool(classes);
+ this.schema = schema;
+ }
+
+ @SuppressWarnings("unchecked")
+ public<O> O unmarshal(LogTarget env, Node node) throws JAXBException, APIException {
+ Pooled<SUnmarshaller> s = mpool.get(env);
+ try {
+ return s.content.get(schema).unmarshal(node,(Class<O>)cls).getValue();
+ } finally {
+ s.done();
+ }
+
+ }
+
+ @SuppressWarnings("unchecked")
+ public<O> O unmarshal(LogTarget env, String xml) throws JAXBException, APIException {
+ if(xml==null) throw new JAXBException("Null Input for String unmarshal");
+ Pooled<SUnmarshaller> s = mpool.get(env);
+ try {
+ return (O)s.content.get(schema).unmarshal(
+ new StreamSource(new StringReader(xml))
+ ,(Class<O>)cls).getValue();
+ } finally {
+ s.done();
+ }
+ }
+
+ @SuppressWarnings("unchecked")
+ public<O> O unmarshal(LogTarget env, File xmlFile) throws JAXBException, APIException {
+ Pooled<SUnmarshaller> s = mpool.get(env);
+ try {
+ return (O)s.content.get(schema).unmarshal(xmlFile);
+ } finally {
+ s.done();
+ }
+
+ }
+
+ @SuppressWarnings("unchecked")
+ public<O> O unmarshal(LogTarget env,InputStream is) throws JAXBException, APIException {
+ Pooled<SUnmarshaller> s = mpool.get(env);
+ try {
+ return (O)s.content.get(schema).unmarshal(is);
+ } finally {
+ s.done();
+ }
+ }
+
+ @SuppressWarnings("unchecked")
+ public<O> O unmarshal(LogTarget env, Reader rdr) throws JAXBException, APIException {
+ Pooled<SUnmarshaller> s = mpool.get(env);
+ try {
+ return (O)s.content.get(schema).unmarshal(rdr);
+ } finally {
+ s.done();
+ }
+ }
+
+ @SuppressWarnings("unchecked")
+ public<O> O unmarshal(LogTarget env, XMLStreamReader xsr) throws JAXBException, APIException {
+ Pooled<SUnmarshaller> s = mpool.get(env);
+ try {
+ return (O)s.content.get(schema).unmarshal(xsr,(Class<O>)cls).getValue();
+ } finally {
+ s.done();
+ }
+ }
+
+ @SuppressWarnings("unchecked")
+ public<O> O unmarshal(LogTarget env, XMLEventReader xer) throws JAXBException, APIException {
+ Pooled<SUnmarshaller> s = mpool.get(env);
+ try {
+ return (O)s.content.get(schema).unmarshal(xer,(Class<O>)cls).getValue();
+ } finally {
+ s.done();
+ }
+ }
+
+ @SuppressWarnings("unchecked")
+ public<O> O newInstance() throws InstantiationException, IllegalAccessException{
+ return ((Class<O>)cls).newInstance();
+ }
+}
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