com.sun.xml.ws.rx.util.JaxbContextRepository Maven / Gradle / Ivy
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/*
* Copyright (c) 1997, 2021 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Distribution License v. 1.0, which is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
package com.sun.xml.ws.rx.util;
import com.sun.xml.ws.rx.RxRuntimeException;
import org.glassfish.jaxb.runtime.api.JAXBRIContext;
import com.sun.xml.ws.api.addressing.AddressingVersion;
import com.sun.istack.logging.Logger;
import java.util.Arrays;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.Map;
import jakarta.xml.bind.JAXBException;
import jakarta.xml.bind.Unmarshaller;
import jakarta.xml.ws.EndpointReference;
/**
* TODO javadoc
*
*
* WARNING: This class is a private utility class used by WS-RX implementation. Any usage outside
* the intedned scope is strongly discouraged. The API exposed by this class may be changed, replaced
* or removed without any advance notice.
*
*
*/
public final class JaxbContextRepository {
private static final Logger LOGGER = Logger.getLogger(JaxbContextRepository.class);
//
private Map jaxbContexts;
private ThreadLocal> threadLocalUnmarshallers = new ThreadLocal<>() {
@Override
protected Map initialValue() {
Map result = new HashMap<>();
for (Map.Entry entry : jaxbContexts.entrySet()) {
try {
result.put(entry.getKey(), entry.getValue().createUnmarshaller());
} catch (JAXBException ex) {
LOGGER.severe("Unable to create JAXB unmarshaller", ex);
throw new RxRuntimeException("Unable to create JAXB unmarshaller", ex);
}
}
return result;
}
};
public JaxbContextRepository(Class... classes) throws RxRuntimeException {
this.jaxbContexts = new HashMap<>();
for (AddressingVersion av : AddressingVersion.values()) {
this.jaxbContexts.put(av, createContext(av, classes));
}
}
private static JAXBRIContext createContext(AddressingVersion av, Class... classes) throws RxRuntimeException {
/*
We need to add all supported WS-A EndpointReference implementation classes to the array
before we pass the array to the JAXBRIContext factory method.
*/
LinkedList> jaxbElementClasses = new LinkedList<>(Arrays.asList(classes));
jaxbElementClasses.add(av.eprType.eprClass);
Map eprClassReplacementMap = new HashMap<>();
eprClassReplacementMap.put(EndpointReference.class, av.eprType.eprClass);
try {
return JAXBRIContext.newInstance(jaxbElementClasses.toArray(classes),
null,
eprClassReplacementMap,
null,
false,
null);
} catch (JAXBException ex) {
throw new RxRuntimeException("Unable to create JAXB RI Context", ex);
}
}
/**
* Creates JAXB {@link Unmarshaller} that is able to unmarshall elements for specified classes.
*
* As JAXB unmarshallers are not thread-safe, this method should be used to create a new {@link Unmarshaller}
* instance whenever there is a chance that the same instance might be invoked concurrently from multiple
* threads. On th other hand, it is prudent to cache or pool {@link Unmarshaller} instances if possible as
* constructing a new {@link Unmarshaller} instance is rather expensive.
*
* For additional information see this blog entry.
*
* @return created JAXB unmarshaller
*
* @exception RxRuntimeException in case the creation of unmarshaller failed
*/
public Unmarshaller getUnmarshaller(AddressingVersion av) throws RxRuntimeException {
return threadLocalUnmarshallers.get().get(av);
}
/**
* Returns JAXB context that is intitialized based on a given addressing version.
*
* @param av addressing version used to initialize JAXB context
*
* @return JAXB context that is intitialized based on a given addressing version.
*/
public JAXBRIContext getJaxbContext(AddressingVersion av) {
return jaxbContexts.get(av);
}
}