java/10 : java.xml.ws/com/sun/xml/internal/ws/fault/SOAPFaultBuilder.java

SOAPFaultBuilder
https://openjdk.java.net/
GPLv2 + Classpath Exception
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
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package com.sun.xml.internal.ws.fault;

import com.sun.istack.internal.NotNull;
import com.sun.istack.internal.Nullable;
import com.sun.xml.internal.ws.api.SOAPVersion;
import com.sun.xml.internal.ws.api.message.Message;
import com.sun.xml.internal.ws.api.model.ExceptionType;
import com.sun.xml.internal.ws.encoding.soap.SOAP12Constants;
import com.sun.xml.internal.ws.encoding.soap.SOAPConstants;
import com.sun.xml.internal.ws.encoding.soap.SerializationException;
import com.sun.xml.internal.ws.message.jaxb.JAXBMessage;
import com.sun.xml.internal.ws.message.FaultMessage;
import com.sun.xml.internal.ws.model.CheckedExceptionImpl;
import com.sun.xml.internal.ws.model.JavaMethodImpl;
import com.sun.xml.internal.ws.spi.db.WrapperComposite;
import com.sun.xml.internal.ws.spi.db.XMLBridge;
import com.sun.xml.internal.ws.util.DOMUtil;
import com.sun.xml.internal.ws.util.StringUtils;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;

import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import javax.xml.bind.annotation.XmlTransient;
import javax.xml.namespace.QName;
import javax.xml.soap.SOAPFault;
import javax.xml.soap.Detail;
import javax.xml.soap.DetailEntry;
import javax.xml.transform.dom.DOMResult;
import javax.xml.ws.ProtocolException;
import javax.xml.ws.WebServiceException;
import javax.xml.ws.soap.SOAPFaultException;
import java.lang.reflect.Constructor;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.security.AccessController;
import java.security.PrivilegedAction;
import java.util.Iterator;
import java.util.Map;
import java.util.logging.Level;
import java.util.logging.Logger;

Base class that represents SOAP 1.1 or SOAP 1.2 fault. This class can be used by the invocation handlers to create
an Exception from a received messge.
Author: Vivek Pandey/**
 * Base class that represents SOAP 1.1 or SOAP 1.2 fault. This class can be used by the invocation handlers to create
 * an Exception from a received messge.
 *
 * @author Vivek Pandey
 */
public abstract class SOAPFaultBuilder {

    Gives the DetailType for a Soap 1.1 or Soap 1.2 message that can be used to create either a checked exception or a protocol specific exception /**
     * Gives the {@link DetailType} for a Soap 1.1 or Soap 1.2 message that can be used to create either a checked exception or
     * a protocol specific exception
     */
    abstract DetailType getDetail();

    abstract void setDetail(DetailType detailType);

    public @XmlTransient @Nullable QName getFirstDetailEntryName() {
        DetailType dt = getDetail();
        if (dt != null) {
            Node entry = dt.getDetail(0);
            if (entry != null) {
                return new QName(entry.getNamespaceURI(), entry.getLocalName());
            }
        }
        return null;
    }

    gives the fault string that can be used to create an Exception /**
     * gives the fault string that can be used to create an {@link Exception}
     */
    abstract String getFaultString();

    This should be called from the client side to throw an Exception for a given soap mesage /**
     * This should be called from the client side to throw an {@link Exception} for a given soap mesage
     */
    public Throwable createException(Map<QName, CheckedExceptionImpl> exceptions) throws JAXBException {
        DetailType dt = getDetail();
        Node detail = null;
        if(dt != null)  detail = dt.getDetail(0);

        //return ProtocolException if the detail is not present or there is no checked exception
        if(detail == null || exceptions == null){
            // No soap detail, doesnt look like its a checked exception
            // throw a protocol exception
            return attachServerException(getProtocolException());
        }

        //check if the detail is a checked exception, if not throw a ProtocolException
        QName detailName = new QName(detail.getNamespaceURI(), detail.getLocalName());
        CheckedExceptionImpl ce = exceptions.get(detailName);
        if (ce == null) {
            //No Checked exception for the received detail QName, throw a SOAPFault exception
            return attachServerException(getProtocolException());

        }

        if (ce.getExceptionType().equals(ExceptionType.UserDefined)) {
            return attachServerException(createUserDefinedException(ce));

        }
        Class exceptionClass = ce.getExceptionClass();
        try {
            Constructor constructor = exceptionClass.getConstructor(String.class, (Class) ce.getDetailType().type);
            Exception exception = (Exception) constructor.newInstance(getFaultString(), getJAXBObject(detail, ce));
            return attachServerException(exception);
        } catch (Exception e) {
            throw new WebServiceException(e);
        }
    }

    To be called to convert a ProtocolException and faultcode for a given SOAPVersion in to a Message. 
Params: soapVersion – SOAPVersion.SOAP_11 or SOAPVersion.SOAP_12
ex – a ProtocolException
faultcode – soap faultcode. Its ignored if the ProtocolException instance is SOAPFaultException and it has a faultcode present in the underlying SOAPFault.
Returns: Message representing SOAP fault/**
     * To be called to convert a  {@link ProtocolException} and faultcode for a given {@link SOAPVersion} in to a {@link Message}.
     *
     * @param soapVersion {@link SOAPVersion#SOAP_11} or {@link SOAPVersion#SOAP_12}
     * @param ex a ProtocolException
     * @param faultcode soap faultcode. Its ignored if the {@link ProtocolException} instance is {@link SOAPFaultException} and it has a
     * faultcode present in the underlying {@link SOAPFault}.
     * @return {@link Message} representing SOAP fault
     */
    public static @NotNull Message createSOAPFaultMessage(@NotNull SOAPVersion soapVersion, @NotNull ProtocolException ex, @Nullable QName faultcode){
        Object detail = getFaultDetail(null, ex);
        if(soapVersion == SOAPVersion.SOAP_12)
            return createSOAP12Fault(soapVersion, ex, detail, null, faultcode);
        return createSOAP11Fault(soapVersion, ex, detail, null, faultcode);
    }

    To be called by the server runtime in the situations when there is an Exception that needs to be transformed in
to a soapenv:Fault payload.
Params: ceModel –  CheckedExceptionImpl model that provides useful informations such as the detail tagname and the Exception associated with it. Caller of this constructor should get the CheckedException model by calling JavaMethodImpl.getCheckedException(Class), where Class is t.getClass(). 
                   If its null then this is not a checked exception  and in that case the soap fault will be
                   serialized only from the exception as described below.
ex –          Exception that needs to be translated into soapenv:Fault, always non-null.
                   
                   If t is instance of SOAPFaultException then its serilaized as protocol exception. 
If t.getCause() is instance of SOAPFaultException and t is a checked exception then the soap fault detail is serilaized from t and the fault actor/string/role is taken from t.getCause(). 
soapVersion – non-null/**
     * To be called by the server runtime in the situations when there is an Exception that needs to be transformed in
     * to a soapenv:Fault payload.
     *
     * @param ceModel     {@link CheckedExceptionImpl} model that provides useful informations such as the detail tagname
     *                    and the Exception associated with it. Caller of this constructor should get the CheckedException
     *                    model by calling {@link JavaMethodImpl#getCheckedException(Class)}, where
     *                    Class is t.getClass().
     *                    <p>
     *                    If its null then this is not a checked exception  and in that case the soap fault will be
     *                    serialized only from the exception as described below.
     * @param ex          Exception that needs to be translated into soapenv:Fault, always non-null.
     *                    <ul>
     *                    <li>If t is instance of {@link SOAPFaultException} then its serilaized as protocol exception.
     *                    <li>If t.getCause() is instance of {@link SOAPFaultException} and t is a checked exception then
     *                    the soap fault detail is serilaized from t and the fault actor/string/role is taken from t.getCause().
     *                    </ul>
     * @param soapVersion non-null
     */
    public static Message createSOAPFaultMessage(SOAPVersion soapVersion, CheckedExceptionImpl ceModel, Throwable ex) {
        // Sometimes InvocationTargetException.getCause() is null
        // but InvocationTargetException.getTargetException() contains the real exception
        // even though they are supposed to be equivalent.
        // If we only look at .getCause this results in the real exception being lost.
        // Looks like a JDK bug.
        final Throwable t =
            ex instanceof java.lang.reflect.InvocationTargetException
            ?
            ((java.lang.reflect.InvocationTargetException)ex).getTargetException()
            :
            ex;
        return createSOAPFaultMessage(soapVersion, ceModel, t, null);
    }

    Create the Message with the specified faultCode
See Also: createSOAPFaultMessage(SOAPVersion, CheckedExceptionImpl, Throwable)/**
     * Create the Message with the specified faultCode
     *
     * @see #createSOAPFaultMessage(SOAPVersion, CheckedExceptionImpl, Throwable)
     */
    public static Message createSOAPFaultMessage(SOAPVersion soapVersion, CheckedExceptionImpl ceModel, Throwable ex, QName faultCode) {
        Object detail = getFaultDetail(ceModel, ex);
        if(soapVersion == SOAPVersion.SOAP_12)
            return createSOAP12Fault(soapVersion, ex, detail, ceModel, faultCode);
        return createSOAP11Fault(soapVersion, ex, detail, ceModel, faultCode);
    }

    Server runtime will call this when there is some internal error not resulting from an exception.
Params: soapVersion – SOAPVersion.SOAP_11 or SOAPVersion.SOAP_12
faultString – must be non-null
faultCode –   For SOAP 1.1, it must be one of
                   
                   SOAPVersion.faultCodeClient 
SOAPVersion.faultCodeServer 
SOAPConstants.FAULT_CODE_MUST_UNDERSTAND 
SOAPConstants.FAULT_CODE_VERSION_MISMATCH 
                   For SOAP 1.2
                   
                   SOAPVersion.faultCodeClient 
SOAPVersion.faultCodeServer 
SOAP12Constants.FAULT_CODE_MUST_UNDERSTAND 
SOAP12Constants.FAULT_CODE_VERSION_MISMATCH 
SOAP12Constants.FAULT_CODE_DATA_ENCODING_UNKNOWN 
Returns: non-null Message/**
     * Server runtime will call this when there is some internal error not resulting from an exception.
     *
     * @param soapVersion {@link SOAPVersion#SOAP_11} or {@link SOAPVersion#SOAP_12}
     * @param faultString must be non-null
     * @param faultCode   For SOAP 1.1, it must be one of
     *                    <ul>
     *                    <li>{@link SOAPVersion#faultCodeClient}
     *                    <li>{@link SOAPVersion#faultCodeServer}
     *                    <li>{@link SOAPConstants#FAULT_CODE_MUST_UNDERSTAND}
     *                    <li>{@link SOAPConstants#FAULT_CODE_VERSION_MISMATCH}
     *                    </ul>
     *
     *                    For SOAP 1.2
     *                    <ul>
     *                    <li>{@link SOAPVersion#faultCodeClient}
     *                    <li>{@link SOAPVersion#faultCodeServer}
     *                    <li>{@link SOAP12Constants#FAULT_CODE_MUST_UNDERSTAND}
     *                    <li>{@link SOAP12Constants#FAULT_CODE_VERSION_MISMATCH}
     *                    <li>{@link SOAP12Constants#FAULT_CODE_DATA_ENCODING_UNKNOWN}
     *                    </ul>
     * @return non-null {@link Message}
     */
    public static Message createSOAPFaultMessage(SOAPVersion soapVersion, String faultString, QName faultCode) {
        if (faultCode == null)
            faultCode = getDefaultFaultCode(soapVersion);
        return createSOAPFaultMessage(soapVersion, faultString, faultCode, null);
    }

    public static Message createSOAPFaultMessage(SOAPVersion soapVersion, SOAPFault fault) {
        switch (soapVersion) {
            case SOAP_11:
                return JAXBMessage.create(JAXB_CONTEXT, new SOAP11Fault(fault), soapVersion);
            case SOAP_12:
                return JAXBMessage.create(JAXB_CONTEXT, new SOAP12Fault(fault), soapVersion);
            default:
                throw new AssertionError();
        }
    }

    private static Message createSOAPFaultMessage(SOAPVersion soapVersion, String faultString, QName faultCode, Element detail) {
        switch (soapVersion) {
            case SOAP_11:
                return JAXBMessage.create(JAXB_CONTEXT, new SOAP11Fault(faultCode, faultString, null, detail), soapVersion);
            case SOAP_12:
                return JAXBMessage.create(JAXB_CONTEXT, new SOAP12Fault(faultCode, faultString, detail), soapVersion);
            default:
                throw new AssertionError();
        }
    }

    Creates a DOM node that represents the complete stack trace of the exception, and attach that to DetailType. /**
     * Creates a DOM node that represents the complete stack trace of the exception,
     * and attach that to {@link DetailType}.
     */
    final void captureStackTrace(@Nullable Throwable t) {
        if(t==null)     return;
        if(!captureStackTrace)  return;     // feature disabled

        try {
            Document d = DOMUtil.createDom();
            ExceptionBean.marshal(t,d);

            DetailType detail = getDetail();
            if(detail==null)
            setDetail(detail=new DetailType());

            detail.getDetails().add(d.getDocumentElement());
        } catch (JAXBException e) {
            // this should never happen
            logger.log(Level.WARNING, "Unable to capture the stack trace into XML",e);
        }
    }

    Initialize the cause of this exception by attaching the server side exception.
/**
     * Initialize the cause of this exception by attaching the server side exception.
     */
    private <T extends Throwable> T attachServerException(T t) {
        DetailType detail = getDetail();
        if(detail==null)        return t;   // no details

        for (Element n : detail.getDetails()) {
            if(ExceptionBean.isStackTraceXml(n)) {
                try {
                    t.initCause(ExceptionBean.unmarshal(n));
                } catch (JAXBException e) {
                    // perhaps incorrectly formatted XML.
                    logger.log(Level.WARNING, "Unable to read the capture stack trace in the fault",e);
                }
                return t;
            }
        }

        return t;
    }

    abstract protected Throwable getProtocolException();

    private Object getJAXBObject(Node jaxbBean, CheckedExceptionImpl ce) throws JAXBException {
        XMLBridge bridge = ce.getBond();
        return bridge.unmarshal(jaxbBean,null);
    }

    private Exception createUserDefinedException(CheckedExceptionImpl ce) {
        Class exceptionClass = ce.getExceptionClass();
        Class detailBean = ce.getDetailBean();
        try{
            Node detailNode = getDetail().getDetails().get(0);
            Object jaxbDetail = getJAXBObject(detailNode, ce);
            if (jaxbDetail instanceof Exception) return (Exception)jaxbDetail;
            Constructor exConstructor;
            try{
                exConstructor = exceptionClass.getConstructor(String.class, detailBean);
                return (Exception) exConstructor.newInstance(getFaultString(), jaxbDetail);
            }catch(NoSuchMethodException e){
                exConstructor = exceptionClass.getConstructor(String.class);
                return (Exception) exConstructor.newInstance(getFaultString());
            }
        } catch (Exception e) {
            throw new WebServiceException(e);
        }
    }

    private static String getWriteMethod(Field f) {
        return "set" + StringUtils.capitalize(f.getName());
    }

    private static Object getFaultDetail(CheckedExceptionImpl ce, Throwable exception) {
        if (ce == null)
            return null;
        if (ce.getExceptionType().equals(ExceptionType.UserDefined)) {
            return createDetailFromUserDefinedException(ce, exception);
        }
        try {
            return ce.getFaultInfoGetter().invoke(exception);
        } catch (Exception e) {
            throw new SerializationException(e);
        }
    }

    private static Object createDetailFromUserDefinedException(CheckedExceptionImpl ce, Object exception) {
        Class detailBean = ce.getDetailBean();
        if (ce.getExceptionClass().equals(detailBean)) return exception;
        Field[] fields = detailBean.getDeclaredFields();
        try {
            Object detail = detailBean.newInstance();
            for (Field f : fields) {
                Method em = exception.getClass().getMethod(getReadMethod(f));
                try {
                    Method sm = detailBean.getMethod(getWriteMethod(f), em.getReturnType());
                    sm.invoke(detail, em.invoke(exception));
                } catch(NoSuchMethodException ne) {
                    // Try to use exception bean's public field to populate the value.
                    Field sf = detailBean.getField(f.getName());
                    sf.set(detail, em.invoke(exception));
                }
            }
            return detail;
        } catch (Exception e) {
            throw new SerializationException(e);
        }
    }

    private static String getReadMethod(Field f) {
        if (f.getType().isAssignableFrom(boolean.class))
            return "is" + StringUtils.capitalize(f.getName());
        return "get" + StringUtils.capitalize(f.getName());
    }

    private static Message createSOAP11Fault(SOAPVersion soapVersion, Throwable e, Object detail, CheckedExceptionImpl ce, QName faultCode) {
        SOAPFaultException soapFaultException = null;
        String faultString = null;
        String faultActor = null;
        Throwable cause = e.getCause();
        if (e instanceof SOAPFaultException) {
            soapFaultException = (SOAPFaultException) e;
        } else if (cause != null && cause instanceof SOAPFaultException) {
            soapFaultException = (SOAPFaultException) e.getCause();
        }
        if (soapFaultException != null) {
            QName soapFaultCode = soapFaultException.getFault().getFaultCodeAsQName();
            if(soapFaultCode != null)
                faultCode = soapFaultCode;

            faultString = soapFaultException.getFault().getFaultString();
            faultActor = soapFaultException.getFault().getFaultActor();
        }

        if (faultCode == null) {
            faultCode = getDefaultFaultCode(soapVersion);
        }

        if (faultString == null) {
            faultString = e.getMessage();
            if (faultString == null) {
                faultString = e.toString();
            }
        }
        Element detailNode = null;
        QName firstEntry = null;
        if (detail == null && soapFaultException != null) {
            detailNode = soapFaultException.getFault().getDetail();
            firstEntry = getFirstDetailEntryName((Detail)detailNode);
        } else if(ce != null){
            try {
                DOMResult dr = new DOMResult();
                ce.getBond().marshal(detail,dr);
                detailNode = (Element)dr.getNode().getFirstChild();
                firstEntry = getFirstDetailEntryName(detailNode);
            } catch (JAXBException e1) {
                //Should we throw Internal Server Error???
                faultString = e.getMessage();
                faultCode = getDefaultFaultCode(soapVersion);
            }
        }
        SOAP11Fault soap11Fault = new SOAP11Fault(faultCode, faultString, faultActor, detailNode);

        //Don't fill the stacktrace for Service specific exceptions.
        if(ce == null) {
            soap11Fault.captureStackTrace(e);
        }
        Message msg = JAXBMessage.create(JAXB_CONTEXT, soap11Fault, soapVersion);
        return new FaultMessage(msg, firstEntry);
    }

    private static @Nullable QName getFirstDetailEntryName(@Nullable Detail detail) {
        if (detail != null) {
            Iterator<DetailEntry> it = detail.getDetailEntries();
            if (it.hasNext()) {
                DetailEntry entry = it.next();
                return getFirstDetailEntryName(entry);
            }
        }
        return null;
    }

    private static @NotNull QName getFirstDetailEntryName(@NotNull Element entry) {
        return new QName(entry.getNamespaceURI(), entry.getLocalName());
    }

    private static Message createSOAP12Fault(SOAPVersion soapVersion, Throwable e, Object detail, CheckedExceptionImpl ce, QName faultCode) {
        SOAPFaultException soapFaultException = null;
        CodeType code = null;
        String faultString = null;
        String faultRole = null;
        String faultNode = null;
        Throwable cause = e.getCause();
        if (e instanceof SOAPFaultException) {
            soapFaultException = (SOAPFaultException) e;
        } else if (cause != null && cause instanceof SOAPFaultException) {
            soapFaultException = (SOAPFaultException) e.getCause();
        }
        if (soapFaultException != null) {
            SOAPFault fault = soapFaultException.getFault();
            QName soapFaultCode = fault.getFaultCodeAsQName();
            if(soapFaultCode != null){
                faultCode = soapFaultCode;
                code = new CodeType(faultCode);
                Iterator iter = fault.getFaultSubcodes();
                boolean first = true;
                SubcodeType subcode = null;
                while(iter.hasNext()){
                    QName value = (QName)iter.next();
                    if(first){
                        SubcodeType sct = new SubcodeType(value);
                        code.setSubcode(sct);
                        subcode = sct;
                        first = false;
                        continue;
                    }
                    subcode = fillSubcodes(subcode, value);
                }
            }
            faultString = soapFaultException.getFault().getFaultString();
            faultRole = soapFaultException.getFault().getFaultActor();
            faultNode = soapFaultException.getFault().getFaultNode();
        }

        if (faultCode == null) {
            faultCode = getDefaultFaultCode(soapVersion);
            code = new CodeType(faultCode);
        }else if(code == null){
            code = new CodeType(faultCode);
        }

        if (faultString == null) {
            faultString = e.getMessage();
            if (faultString == null) {
                faultString = e.toString();
            }
        }

        ReasonType reason = new ReasonType(faultString);
        Element detailNode = null;
        QName firstEntry = null;
        if (detail == null && soapFaultException != null) {
            detailNode = soapFaultException.getFault().getDetail();
            firstEntry = getFirstDetailEntryName((Detail)detailNode);
        } else if(detail != null){
            try {
                DOMResult dr = new DOMResult();
                ce.getBond().marshal(detail, dr);
                detailNode = (Element)dr.getNode().getFirstChild();
                firstEntry = getFirstDetailEntryName(detailNode);
            } catch (JAXBException e1) {
                //Should we throw Internal Server Error???
                faultString = e.getMessage();
            }
        }

        SOAP12Fault soap12Fault = new SOAP12Fault(code, reason, faultNode, faultRole, detailNode);

        //Don't fill the stacktrace for Service specific exceptions.
        if(ce == null) {
            soap12Fault.captureStackTrace(e);
        }
        Message msg = JAXBMessage.create(JAXB_CONTEXT, soap12Fault, soapVersion);
        return new FaultMessage(msg, firstEntry);
    }

    private static SubcodeType fillSubcodes(SubcodeType parent, QName value){
        SubcodeType newCode = new SubcodeType(value);
        parent.setSubcode(newCode);
        return newCode;
    }

    private static QName getDefaultFaultCode(SOAPVersion soapVersion) {
        return soapVersion.faultCodeServer;
    }

    Parses a fault Message and returns it as a SOAPFaultBuilder. 
Throws: JAXBException – if the parsing fails.
Returns: always non-null valid object./**
     * Parses a fault {@link Message} and returns it as a {@link SOAPFaultBuilder}.
     *
     * @return always non-null valid object.
     * @throws JAXBException if the parsing fails.
     */
    public static SOAPFaultBuilder create(Message msg) throws JAXBException {
        return msg.readPayloadAsJAXB(JAXB_CONTEXT.createUnmarshaller());
    }

    This JAXBContext can handle SOAP 1.1/1.2 faults. /**
     * This {@link JAXBContext} can handle SOAP 1.1/1.2 faults.
     */
    private static final JAXBContext JAXB_CONTEXT;

    private static final Logger logger = Logger.getLogger(SOAPFaultBuilder.class.getName());

    Set to false if you don't want the generated faults to have stack trace in it.
/**
     * Set to false if you don't want the generated faults to have stack trace in it.
     */
    public static final boolean captureStackTrace;

    /*package*/ static final String CAPTURE_STACK_TRACE_PROPERTY = SOAPFaultBuilder.class.getName()+".captureStackTrace";

    static {
        boolean tmpVal = false;
        try {
            tmpVal = Boolean.getBoolean(CAPTURE_STACK_TRACE_PROPERTY);
        } catch (SecurityException e) {
            // ignore
        }
        captureStackTrace = tmpVal;
        JAXB_CONTEXT = createJAXBContext();
    }

    private static JAXBContext createJAXBContext() {

        // in jdk runtime doPrivileged is necessary since JAX-WS internal classes are in restricted packages
        if (isJDKRuntime()) {
            return AccessController.doPrivileged(
                    new PrivilegedAction<JAXBContext>() {
                        @Override
                        public JAXBContext run() {
                            try {
                                return JAXBContext.newInstance(SOAP11Fault.class, SOAP12Fault.class);
                            } catch (JAXBException e) {
                                throw new Error(e);
                            }
                        }
                    });

        } else {
            try {
                return JAXBContext.newInstance(SOAP11Fault.class, SOAP12Fault.class);
            } catch (JAXBException e) {
                throw new Error(e);
            }
        }
    }

    private static boolean isJDKRuntime() {
        return SOAPFaultBuilder.class.getName().contains("internal");
    }
}
Params:	soapVersion – `SOAPVersion.SOAP_11` or `SOAPVersion.SOAP_12` ex – a ProtocolException faultcode – soap faultcode. Its ignored if the `ProtocolException` instance is `SOAPFaultException` and it has a faultcode present in the underlying `SOAPFault`.
Returns:	`Message` representing SOAP fault
Throws:	JAXBException – if the parsing fails.
Returns:	always non-null valid object.
/

java/ 10/ java.xml.ws/com/sun/xml/internal/ws/fault/SOAPFaultBuilder.java
