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/*
 * Copyright (c) 1997, 2020 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.server.sei;

import com.oracle.webservices.api.databinding.JavaCallInfo;
import com.sun.xml.ws.api.SOAPVersion;
import com.sun.xml.ws.api.WSBinding;
import com.sun.xml.ws.api.databinding.EndpointCallBridge;
import com.sun.xml.ws.api.message.Message;
import com.sun.xml.ws.api.message.MessageContextFactory;
import com.sun.xml.ws.api.message.Packet;
import com.sun.xml.ws.api.model.JavaMethod;
import com.sun.xml.ws.fault.SOAPFaultBuilder;
import com.sun.xml.ws.message.jaxb.JAXBMessage;
import com.sun.xml.ws.model.JavaMethodImpl;
import com.sun.xml.ws.model.ParameterImpl;
import com.sun.xml.ws.model.WrapperParameter;
import com.sun.xml.ws.wsdl.DispatchException;

import jakarta.jws.WebParam.Mode;
import jakarta.xml.bind.JAXBException;
import javax.xml.stream.XMLStreamException;
import jakarta.xml.ws.Holder;
import jakarta.xml.ws.ProtocolException;
import jakarta.xml.ws.WebServiceException;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;

/**
 *
 * 

* This class mainly performs the following two tasks: *

    *
  1. Takes a {@link Message} that represents a request, * and extracts the arguments (and updates {@link Holder}s.) *
  2. Accepts return value and {@link Holder} arguments for a Java method, * and creates {@link JAXBMessage} that represents a response message. *
* *

Creating {@link JAXBMessage}

*

* At the construction time, we prepare {@link EndpointArgumentsBuilder} that knows how to create endpoint {@link Method} * invocation arguments. * we also prepare {@link EndpointResponseMessageBuilder} and {@link MessageFiller}s * that know how to move arguments into a {@link Message}. * Some arguments go to the payload, some go to headers, still others go to attachments. * * @author Jitendra Kotamraju * @author [email protected] * Refactored from EndpointMethodHandler */ final public class TieHandler implements EndpointCallBridge { private final SOAPVersion soapVersion; private final Method method; private final int noOfArgs; private final JavaMethodImpl javaMethodModel; private final Boolean isOneWay; // Converts {@link Message} --> Object[] private final EndpointArgumentsBuilder argumentsBuilder; // these objects together create a response message from method parameters private final EndpointResponseMessageBuilder bodyBuilder; private final MessageFiller[] outFillers; protected MessageContextFactory packetFactory; public TieHandler(JavaMethodImpl method, WSBinding binding, MessageContextFactory mcf) { this.soapVersion = binding.getSOAPVersion(); this.method = method.getMethod(); this.javaMethodModel = method; argumentsBuilder = createArgumentsBuilder(); List fillers = new ArrayList(); bodyBuilder = createResponseMessageBuilder(fillers); this.outFillers = fillers.toArray(new MessageFiller[fillers.size()]); this.isOneWay = method.getMEP().isOneWay(); this.noOfArgs = this.method.getParameterTypes().length; packetFactory = mcf; } /** * It builds EndpointArgumentsBuilder which converts request {@link Message} to endpoint method's invocation * arguments Object[] * * @return EndpointArgumentsBuilder */ private EndpointArgumentsBuilder createArgumentsBuilder() { EndpointArgumentsBuilder argsBuilder; List rp = javaMethodModel.getRequestParameters(); List builders = new ArrayList(); for( ParameterImpl param : rp ) { EndpointValueSetter setter = EndpointValueSetter.get(param); switch(param.getInBinding().kind) { case BODY: if(param.isWrapperStyle()) { if(param.getParent().getBinding().isRpcLit()) builders.add(new EndpointArgumentsBuilder.RpcLit((WrapperParameter)param)); else builders.add(new EndpointArgumentsBuilder.DocLit((WrapperParameter)param, Mode.OUT)); } else { builders.add(new EndpointArgumentsBuilder.Body(param.getXMLBridge(),setter)); } break; case HEADER: builders.add(new EndpointArgumentsBuilder.Header(soapVersion, param, setter)); break; case ATTACHMENT: builders.add(EndpointArgumentsBuilder.AttachmentBuilder.createAttachmentBuilder(param, setter)); break; case UNBOUND: builders.add(new EndpointArgumentsBuilder.NullSetter(setter, EndpointArgumentsBuilder.getVMUninitializedValue(param.getTypeInfo().type))); break; default: throw new AssertionError(); } } // creates {@link Holder} arguments for OUT parameters List resp = javaMethodModel.getResponseParameters(); for( ParameterImpl param : resp ) { if (param.isWrapperStyle()) { WrapperParameter wp = (WrapperParameter)param; List children = wp.getWrapperChildren(); for (ParameterImpl p : children) { if (p.isOUT() && p.getIndex() != -1) { EndpointValueSetter setter = EndpointValueSetter.get(p); builders.add(new EndpointArgumentsBuilder.NullSetter(setter, null)); } } } else if (param.isOUT() && param.getIndex() != -1) { EndpointValueSetter setter = EndpointValueSetter.get(param); builders.add(new EndpointArgumentsBuilder.NullSetter(setter, null)); } } switch(builders.size()) { case 0: argsBuilder = EndpointArgumentsBuilder.NONE; break; case 1: argsBuilder = builders.get(0); break; default: argsBuilder = new EndpointArgumentsBuilder.Composite(builders); } return argsBuilder; } /** * prepare objects for creating response {@link Message} */ private EndpointResponseMessageBuilder createResponseMessageBuilder(List fillers) { EndpointResponseMessageBuilder tmpBodyBuilder = null; List rp = javaMethodModel.getResponseParameters(); for (ParameterImpl param : rp) { ValueGetter getter = ValueGetter.get(param); switch(param.getOutBinding().kind) { case BODY: if(param.isWrapperStyle()) { if(param.getParent().getBinding().isRpcLit()) { tmpBodyBuilder = new EndpointResponseMessageBuilder.RpcLit((WrapperParameter)param, soapVersion); } else { tmpBodyBuilder = new EndpointResponseMessageBuilder.DocLit((WrapperParameter)param, soapVersion); } } else { tmpBodyBuilder = new EndpointResponseMessageBuilder.Bare(param, soapVersion); } break; case HEADER: fillers.add(new MessageFiller.Header(param.getIndex(), param.getXMLBridge(), getter )); break; case ATTACHMENT: fillers.add(MessageFiller.AttachmentFiller.createAttachmentFiller(param, getter)); break; case UNBOUND: break; default: throw new AssertionError(); // impossible } } if (tmpBodyBuilder == null) { // no parameter binds to body. we create an empty message switch(soapVersion) { case SOAP_11: tmpBodyBuilder = EndpointResponseMessageBuilder.EMPTY_SOAP11; break; case SOAP_12: tmpBodyBuilder = EndpointResponseMessageBuilder.EMPTY_SOAP12; break; default: throw new AssertionError(); } } return tmpBodyBuilder; } public Object[] readRequest(Message reqMsg) { Object[] args = new Object[noOfArgs]; try { argumentsBuilder.readRequest(reqMsg,args); } catch (JAXBException e) { throw new WebServiceException(e); } catch (XMLStreamException e) { throw new WebServiceException(e); } return args; } public Message createResponse(JavaCallInfo call) { Message responseMessage; if (call.getException() == null) { responseMessage = isOneWay ? null : createResponseMessage(call.getParameters(), call.getReturnValue()); } else { Throwable e = call.getException(); Throwable serviceException = getServiceException(e); if (e instanceof InvocationTargetException || serviceException != null) { // Throwable cause = e.getCause(); //if (!(cause instanceof RuntimeException) && cause instanceof Exception) { if (serviceException != null) { // Service specific exception LOGGER.log(Level.FINE, serviceException.getMessage(), serviceException); responseMessage = SOAPFaultBuilder.createSOAPFaultMessage(soapVersion, javaMethodModel.getCheckedException(serviceException.getClass()), serviceException); } else { Throwable cause = e.getCause(); if (cause instanceof ProtocolException) { // Application code may be throwing it intentionally LOGGER.log(Level.FINE, cause.getMessage(), cause); } else { // Probably some bug in application code LOGGER.log(Level.SEVERE, cause.getMessage(), cause); } responseMessage = SOAPFaultBuilder.createSOAPFaultMessage(soapVersion, null, cause); } } else if (e instanceof DispatchException) { responseMessage = ((DispatchException)e).fault; } else { LOGGER.log(Level.SEVERE, e.getMessage(), e); responseMessage = SOAPFaultBuilder.createSOAPFaultMessage(soapVersion, null, e); } } // return req.createServerResponse(responseMessage, req.endpoint.getPort(), javaMethodModel.getOwner(), req.endpoint.getBinding()); return responseMessage; } Throwable getServiceException(Throwable throwable) { if (javaMethodModel.getCheckedException(throwable.getClass()) != null) return throwable; if (throwable.getCause() != null) { Throwable cause = throwable.getCause(); // if (!(cause instanceof RuntimeException) && cause instanceof Exception) { if (javaMethodModel.getCheckedException(cause.getClass()) != null) return cause; // } // if (javaMethodModel.getCheckedException(cause.getClass()) != null) return cause; } return null; } /** * Creates a response {@link JAXBMessage} from method arguments, return value * * @return response message */ private Message createResponseMessage(Object[] args, Object returnValue) { Message msg = bodyBuilder.createMessage(args, returnValue); for (MessageFiller filler : outFillers) filler.fillIn(args, returnValue, msg); return msg; } public Method getMethod() { return method; } private static final Logger LOGGER = Logger.getLogger(TieHandler.class.getName()); @Override public JavaCallInfo deserializeRequest(Packet req) { com.sun.xml.ws.api.databinding.JavaCallInfo call = new com.sun.xml.ws.api.databinding.JavaCallInfo(); call.setMethod(this.getMethod()); Object[] args = this.readRequest(req.getMessage()); call.setParameters(args); return call; } @Override public Packet serializeResponse(JavaCallInfo call) { Message msg = this.createResponse(call); Packet p = (msg == null) ? (Packet)packetFactory.createContext() : (Packet)packetFactory.createContext(msg); p.setState(Packet.State.ServerResponse); return p; } @Override public JavaMethod getOperationModel() { return javaMethodModel; } }





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