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/******************************************************************
*  $Id: soap-fault.c,v 1.4 2004/09/02 11:48:28 rans Exp $
*
* CSOAP Project:  A SOAP client/server library in C
* Copyright (C) 2003  Ferhat Ayaz
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA  02111-1307, USA.
* 
* Email: ayaz@jprogrammer.net
******************************************************************/
#include <libcsoap/soap-fault.h>
#include <libcsoap/soap-xml.h>
#include <string.h>

static char *soap_env_ns = "http://schemas.xmlsoap.org/soap/envelope/";
static char *soap_env_enc = "http://schemas.xmlsoap.org/soap/encoding/";
static char *soap_xsi_ns = "http://www.w3.org/1999/XMLSchema-instance";
static char *soap_xsd_ns = "http://www.w3.org/1999/XMLSchema";

/*
Parameters:
1- soap_env_ns
2- soap_env_enc
3- xsi_ns
4- xsd_ns
5- faultcode
6- faultstring
7- faultactor
8- detail
*/
#define  _SOAP_FAULT_TEMPLATE_ \
	"<SOAP-ENV:Envelope xmlns:SOAP-ENV=\"%s\" SOAP-ENV:encoding=\"%s\"" \
	" xmlns:xsi=\"%s\"" \
	" xmlns:xsd=\"%s\">" \
	" <SOAP-ENV:Body>"\
	"  <Fault>"\
	"   <faultcode>%s</faultcode>"\
	"   <faultstring>%s</faultstring>"\
	"   <faultactor>%s</faultactor>"\
	"   <faultdetail>%s</faultdetail>"\
	"  </Fault>" \
	" </SOAP-ENV:Body>"\
	"</SOAP-ENV:Envelope>"



static char *fault_vm = "VersionMismatch";
static char *fault_mu = "MustUnderstand";
static char *fault_client = "Client";
static char *fault_server = "Server";

xmlDocPtr soap_fault_build(fault_code_t fcode, 
						   const char *faultstring,
						   const char *faultactor,
						   const char *detail)
{

	/* variables */
	char *faultcode;
	int bufferlen = 2000;
	char *buffer;
	xmlDocPtr fault; /* result */

	log_verbose1("Build fault");

	switch (fcode) {
  case Fault_VersionMismatch:
	  faultcode = fault_vm;
	  break;
  case Fault_MustUnderstand:
	  faultcode = fault_mu;
	  break;
  case Fault_Client:
	  faultcode = fault_client;
	  break;
  case Fault_Server:
	  faultcode = fault_server;
	  break;
  default:
	  faultcode = fault_client;
	}

	/* calculate buffer length */
	if (faultstring) bufferlen += strlen(faultstring);
	if (faultactor) bufferlen += strlen(faultactor);
	if (detail) bufferlen += strlen(detail);

	log_verbose2("Creating buffer with %d bytes", bufferlen);
	buffer = (char*)malloc(bufferlen);

	sprintf(buffer,  _SOAP_FAULT_TEMPLATE_,
		soap_env_ns, soap_env_enc, soap_xsi_ns, 
		soap_xsd_ns, faultcode,
		faultstring?faultstring:"error",
		faultactor?faultactor:"",
		detail?detail:"");

	fault = xmlParseDoc(BAD_CAST buffer);
	free(buffer);

	if (fault == NULL) {
		log_error1("Can not create xml document!");

		return soap_fault_build(fcode, "Can not create fault object in xml",
			"soap_fault_build()", NULL);
	} 

	log_verbose2("Returning fault (%p)", fault);
	return fault;

}