/*
 *   Copyright 2003-2004 The Apache Software Foundation.
 *
 *   Licensed 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.
 */

/*
 * @author Roshan Weerasuriya (roshan@opensource.lk, roshanw@jkcsworld.com)
 *
 */

// !!! This include file must be first thing in file !!!
#include "../platforms/PlatformAutoSense.hpp"

#include <axis/GDefine.hpp>

#include "SoapMethod.h"
#include "Attribute.h"

#include "../common/AxisTrace.h"

AXIS_CPP_NAMESPACE_START

SoapMethod::
SoapMethod()
{
    logEntryEngine("SoapMethod::SoapMethod")

    reset();
    
    logExit()
}

SoapMethod::
~SoapMethod()
{
    logEntryEngine("SoapMethod::~SoapMethod")

    clearAttributes();
    clearOutParams();
    
    logExit()
}

void SoapMethod::
setPrefix(const AxisChar* prefix)
{
    logEntryEngine("SoapMethod::setPrefix")

    if (NULL == prefix)
        m_strPrefix = "";
    else
        m_strPrefix = prefix;
    
    logExit()
}

void SoapMethod::
setLocalName(const AxisChar* localname)
{
    logEntryEngine("SoapMethod::setLocalName")

    if (NULL == localname)
        m_strLocalname = "";
    else
        m_strLocalname = localname;
    
    logExit()
}

void SoapMethod::
setURI(const AxisChar* uri)
{
    logEntryEngine("SoapMethod::setURI")

    if (NULL == uri)
        m_strUri = "";
    else
        m_strUri = uri;
    
    logExit()
}

void SoapMethod::
addOutputParam(Param *param)
{
    logEntryEngine("SoapMethod::addOutputParam")

    if (param)
        m_OutputParams.push_back(param);
    
    logExit()
}

int SoapMethod::
serialize(SoapSerializer& pSZ)
{   
    logEntryEngine("SoapMethod::serialize")

    int iStatus= AXIS_SUCCESS;

    do
    {
        if(isSerializable())
        {           
            if (m_isWrapperStyle)
            {
                pSZ.serialize("<", m_strPrefix.c_str(), ":", m_strLocalname.c_str(),
                    " xmlns:", m_strPrefix.c_str(),
                    "=", PLATFORM_DOUBLE_QUOTE_S, m_strUri.c_str(), PLATFORM_DOUBLE_QUOTE_S, NULL);
    
                list<AxisChar*> lstTmpNameSpaceStack;
    
                iStatus= serializeAttributes(pSZ, lstTmpNameSpaceStack);
                if(iStatus==AXIS_FAIL)
                    break;
                
                pSZ.serialize(">", NULL);
    
                // push the current NS to the NS stack
                pSZ.getNamespacePrefix(m_strUri.c_str());
    
                iStatus= serializeOutputParam(pSZ);
    
                // remove the current NS from the NS stack
                pSZ.removeNamespacePrefix(m_strUri.c_str());
    
                if(iStatus==AXIS_FAIL)
                    break;
                
                pSZ.serialize("</", NULL);
    
                if(m_strPrefix.length() != 0)
                    pSZ.serialize(m_strPrefix.c_str(), ":", NULL);
                
                pSZ.serialize(m_strLocalname.c_str(), ">\n", NULL);
    
                // Removing the namespace list of this SOAPMethod from the stack.
                list<AxisChar*>::iterator itCurrentNamespace = lstTmpNameSpaceStack.begin();
                while (itCurrentNamespace != lstTmpNameSpaceStack.end())
                {
                    pSZ.removeNamespacePrefix(*itCurrentNamespace);
                    itCurrentNamespace++;
                }
    
                iStatus= AXIS_SUCCESS;
            }
            else
            {
            	// We are doing non-wrapper style.  
            	
            	if (!m_OutputParams.empty())
            	{
                    // Serialize parameters....
	                iStatus= serializeOutputParam(pSZ);
	                	                
	                if(iStatus==AXIS_FAIL)
	                    break;
            	}
            	else if (!m_strLocalname.empty())
            	{
                    // push the current NS to the NS stack
            		const char *nsToUse=pSZ.getNamespacePrefix(m_strUri.c_str());
            		
            		// Serialize an empty element request.
                    pSZ.serialize("<", nsToUse, ":", m_strLocalname.c_str(),
                         " xmlns:", nsToUse, "=", PLATFORM_DOUBLE_QUOTE_S, m_strUri.c_str(), PLATFORM_DOUBLE_QUOTE_S, " />", NULL);    
                    
                    // remove the current NS from the NS stack
                    pSZ.removeNamespacePrefix(m_strUri.c_str());
            	}
            }
        }
        else
            iStatus= AXIS_FAIL;
    } 
    while(0);
            
    logExitWithReturnCode(iStatus)

    return iStatus;
}

int SoapMethod::
serializeOutputParam(SoapSerializer& pSZ)
{
    logEntryEngine("SoapMethod::serializeOutputParam")

    int nStatus = AXIS_SUCCESS;
    

    for (list<Param*>::iterator it = m_OutputParams.begin(); it != m_OutputParams.end(); it++)
        if (AXIS_SUCCESS != (nStatus = (*it)->serialize(pSZ)))
            break;

    logExitWithReturnCode(nStatus)

    return nStatus;
}

const AxisChar* SoapMethod::
getMethodName()
{
    return m_strLocalname.c_str();
}

bool SoapMethod::
isSerializable()
{
    logEntryEngine("SoapMethod::isSerializable")

    bool bStatus= true;    

    // checking whether namespace qualified, if not return AXIS_FAIL 
    do
    {
        if(m_strPrefix.length() == 0)
        {            
            bStatus= false;        
            break;
        }
        else if(m_strUri.length() == 0)
        {
            bStatus= false;
            break;
        }
    } 
    while(0);

    logExitWithBoolean(bStatus)
    
    return bStatus;
}

int SoapMethod::
addAttribute(Attribute *pAttribute)
{
    logEntryEngine("SoapMethod::addAttribute")

    if (pAttribute)
        m_attributes.push_back(pAttribute);

    logExitWithReturnCode(AXIS_SUCCESS)

    return AXIS_SUCCESS;
}

int SoapMethod::
serializeAttributes(SoapSerializer& pSZ, list<AxisChar*>& lstTmpNameSpaceStack)
{
    logEntryEngine("SoapMethod::serializeAttributes")

    list<Attribute*>::iterator itCurrAttribute= m_attributes.begin();

    while(itCurrAttribute != m_attributes.end())
    {        
        (*itCurrAttribute)->serialize(pSZ, lstTmpNameSpaceStack);
        itCurrAttribute++;        
    }    

    logExitWithReturnCode(AXIS_SUCCESS)

    return AXIS_SUCCESS;    
}

int SoapMethod::
reset()
{
    logEntryEngine("SoapMethod::reset")

    m_isWrapperStyle = true;
    m_strUri = "";
    m_strLocalname = "";
    m_strPrefix = "";
    
    clearOutParams();
    clearAttributes();

    logExitWithReturnCode(AXIS_SUCCESS)

    return AXIS_SUCCESS;
}

void SoapMethod::
clearOutParams()
{
    logEntryEngine("SoapMethod::clearOutParams")

    if ( !m_OutputParams.empty() )
    {
        list<Param*>::iterator itParam;
        
        for (itParam = m_OutputParams.begin(); itParam != m_OutputParams.end(); itParam++)
            delete *itParam;
            
        m_OutputParams.clear();
    }
    
    logExit()
}

void SoapMethod::
clearAttributes()
{
    logEntryEngine("SoapMethod::clearAttributes")

    if (!m_attributes.empty())
    {
        list<Attribute*>::iterator it;
        
        for (it = m_attributes.begin(); it != m_attributes.end(); ++it)
            delete *it;
        
        m_attributes.clear();
    }
    
    logExit()
}

AXIS_CPP_NAMESPACE_END