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Apache CXF example source code file (PersistenceUtils.java)
The Apache CXF PersistenceUtils.java source code/** * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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. */ package org.apache.cxf.ws.rm.persistence; import java.io.InputStream; import javax.xml.bind.JAXBContext; import javax.xml.bind.JAXBElement; import javax.xml.bind.JAXBException; import javax.xml.bind.Marshaller; import javax.xml.bind.Unmarshaller; import org.apache.cxf.common.util.PackageUtils; import org.apache.cxf.helpers.LoadingByteArrayOutputStream; import org.apache.cxf.ws.rm.SequenceAcknowledgement; /** * */ public final class PersistenceUtils { private static PersistenceUtils instance; private JAXBContext context; private Unmarshaller unmarshaller; private Marshaller marshaller; /** * Prevents instantiation. */ private PersistenceUtils() { } public static PersistenceUtils getInstance() { if (null == instance) { instance = new PersistenceUtils(); } return instance; } public SequenceAcknowledgement deserialiseAcknowledgment(InputStream is) { Object obj = null; try { obj = getUnmarshaller().unmarshal(is); if (obj instanceof JAXBElement<?>) { JAXBElement<?> el = (JAXBElement)obj; obj = el.getValue(); } } catch (JAXBException ex) { throw new RMStoreException(ex); } return (SequenceAcknowledgement)obj; } public InputStream serialiseAcknowledgment(SequenceAcknowledgement ack) { LoadingByteArrayOutputStream bos = new LoadingByteArrayOutputStream(); try { getMarshaller().marshal(ack, bos); } catch (JAXBException ex) { throw new RMStoreException(ex); } return bos.createInputStream(); } private JAXBContext getContext() throws JAXBException { if (null == context) { context = JAXBContext.newInstance(PackageUtils .getPackageName(SequenceAcknowledgement.class), getClass().getClassLoader()); } return context; } private Unmarshaller getUnmarshaller() throws JAXBException { if (null == unmarshaller) { unmarshaller = getContext().createUnmarshaller(); } return unmarshaller; } private Marshaller getMarshaller() throws JAXBException { if (null == marshaller) { marshaller = getContext().createMarshaller(); } return marshaller; } } Other Apache CXF examples (source code examples)Here is a short list of links related to this Apache CXF PersistenceUtils.java source code file: |
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