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Call.cpp

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00001 /* -*- C++ -*- */
00002 
00003 /*
00004  * The Apache Software License, Version 1.1
00005  *
00006  *
00007  * Copyright (c) 2002 The Apache Software Foundation.  All rights
00008  * reserved.
00009  *
00010  * Redistribution and use in source and binary forms, with or without
00011  * modification, are permitted provided that the following conditions
00012  * are met:
00013  *
00014  * 1. Redistributions of source code must retain the above copyright
00015  *    notice, this list of conditions and the following disclaimer.
00016  *
00017  * 2. Redistributions in binary form must reproduce the above copyright
00018  *    notice, this list of conditions and the following disclaimer in
00019  *    the documentation and/or other materials provided with the
00020  *    distribution.
00021  *
00022  * 3. The end-user documentation included with the redistribution,
00023  *    if any, must include the following acknowledgment:
00024  *       "This product includes software developed by the
00025  *        Apache Software Foundation (http://www.apache.org/)."
00026  *    Alternately, this acknowledgment may appear in the software itself,
00027  *    if and wherever such third-party acknowledgments normally appear.
00028  *
00029  * 4. The names "SOAP" and "Apache Software Foundation" must
00030  *    not be used to endorse or promote products derived from this
00031  *    software without prior written permission. For written
00032  *    permission, please contact apache@apache.org.
00033  *
00034  * 5. Products derived from this software may not be called "Apache",
00035  *    nor may "Apache" appear in their name, without prior written
00036  *    permission of the Apache Software Foundation.
00037  *
00038  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
00039  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
00040  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
00041  * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
00042  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
00043  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
00044  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
00045  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
00046  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
00047  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
00048  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
00049  * SUCH DAMAGE.
00050  * ====================================================================
00051  *
00052  * This software consists of voluntary contributions made by many
00053  * individuals on behalf of the Apache Software Foundation.  For more
00054  * information on the Apache Software Foundation, please see
00055  * <http://www.apache.org/>.
00056  */
00057 
00058 /*
00059  *
00060  * @authors  Lilantha Darshana    (lilantha@erunway.com)
00061  *           Satheesh Thurairajah (satheesh@erunway.com)
00062  *           
00063  *
00064  */
00065 
00066 #include "Platform.hpp"
00067 #include "Call.hpp"
00068 #include "SOAPMsgContext.hpp"
00069 #include "AxisException.hpp"
00070 #include <iostream>
00071 #include "Param.hpp"
00072 
00073 
00078 
00079 Call::Call() : m_pClientCtx(0)
00080 {
00081 
00082 }
00083 
00084 
00089 
00090 Call::~Call()
00091 {
00092     Cleanup();
00093 }
00094 
00095 
00102 void Call::SetOperationName(const char *p_pchOpName)
00103 {
00104     if (p_pchOpName)
00105         m_strOpName = p_pchOpName;
00106 }
00107 
00108 
00115 
00116 void Call::SetMethodNamespaceURI(const char *p_pchOpNsURI)
00117 {
00118     if (p_pchOpNsURI)
00119         m_strMethodNsURI = p_pchOpNsURI;
00120 }
00121 
00122 
00128 
00129 void Call::SetTargetEndpointAddress(const char* p_pchUrl)
00130 {
00131     m_ServerURL = p_pchUrl;
00132 }
00133 
00134 
00144 
00145 void Call::AddSerializerFactory(const std::string& p_sTypName, SerializerFactory * p_pSer)
00146 {
00147     if(!m_pClientCtx)
00148         m_pClientCtx = new SOAPMsgContext();
00149 
00150     m_pClientCtx->RegisterTypeMapping(p_sTypName, p_pSer);
00151 }
00152 
00153 
00159 
00160 void Call::SetEncodingStyle(const std::string& p_sNsURI)
00161 {
00162     m_EncStyle = p_sNsURI;
00163 }
00164 
00165 
00178 
00179 void * Call::Invoke(const std::string& p_sNs, const std::string& p_sMethod)
00180 {
00181     // set method name & namespace of the method.
00182     m_strMethodNsURI = p_sNs;
00183     m_strOpName      = p_sMethod;
00184 
00185     return Invoke();
00186 }
00187 
00188 
00204 
00205 void * Call::Invoke()
00206 {
00207     try
00208     {
00209         // Make sure the method name is provided
00210         if(m_strOpName.empty()) throw AxisException("Cannot Invoke unspecified method ....", 1);
00211 
00212         // Build up the RPC body from method name, namespace & set of arguments; as SOAPBody
00213         RPCElement  *pBody = new RPCElement(m_strMethodNsURI, m_strOpName, m_vArgs);
00214 
00215         // Create message contex to handle SOAP requests
00216         if(!m_pClientCtx)
00217             m_pClientCtx = new SOAPMsgContext();
00218 
00219         //Set remote Web service address
00220         m_pClientCtx->SetServiceURL(m_ServerURL);
00221 
00222         // Invoke the Web service with RPC body elements
00223         m_pClientCtx->Invoke(pBody);
00224 
00225         // Get result of call to remote service as RPC body Element
00226         RPCElement *ret = (RPCElement*)m_pClientCtx->GetResults();
00227 
00228         // return deserialized response message to the caller       
00229         // according the the service description of output form -- metainfo
00230         return ret->GetReturnValue(); 
00231                                       
00232     }
00233     catch(AxisException& ex)
00234     {
00235         std::cerr << ex.GetErrorMsg() << std::endl;
00236         Cleanup();
00237     }
00238     catch(...)
00239     {
00240         // Handle any sort of exception that could cause on calling remote sercvice.
00241         std::cerr << "Exception in WebService ....." << std::endl;
00242         Cleanup();
00243     }
00244     
00245     // Exception has occured
00246     return NULL;
00247 }
00248 
00249 
00254 
00255 void Call::Cleanup()
00256 {
00257     delete m_pClientCtx;
00258     m_pClientCtx = NULL;
00259     int size;
00260     if(size = m_vArgs.size())
00261     {
00262         for (int i=0; i < size ; i++)
00263             delete m_vArgs[i];
00264         m_vArgs.clear();
00265     }
00266 }
00267 
00268 
Axis C++ Client Lib - User's Guide

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