// $Id$

#include "Locator_XMLHandler.h"
#include "ace/OS_NS_strings.h"

ACE_RCSID (ImplRepo_Service,Locator_XMLHandler,"$Id$")

const char* Locator_XMLHandler::ROOT_TAG = "ImplementationRepository";
const char* Locator_XMLHandler::SERVER_INFO_TAG = "Servers";
const char* Locator_XMLHandler::ACTIVATOR_INFO_TAG = "Activators";
const char* Locator_XMLHandler::ENVIRONMENT_TAG = "EnvironmentVariables";

Locator_XMLHandler::Locator_XMLHandler(Callback& cb)
: callback_(cb)
{
}

void
Locator_XMLHandler::startElement (const ACEXML_Char*,
                                  const ACEXML_Char*,
                                  const ACEXML_Char* qName,
                                  ACEXML_Attributes* attrs ACEXML_ENV_ARG_DECL_NOT_USED)
  ACE_THROW_SPEC ((ACEXML_SAXException))
{
  ACE_ASSERT(qName != 0);
  if (ACE_OS::strcasecmp (qName, SERVER_INFO_TAG) == 0)
  {
    // We'll use this as a key to determine if we've got a valid record
    this->server_name_ = "";
    this->env_vars_.clear();

    if (attrs != 0 && attrs->getLength () == 8)
    {
      this->server_name_ = attrs->getValue((size_t)0);
      this->activator_name_ = attrs->getValue((size_t)1);
      this->command_line_ = attrs->getValue((size_t)2);
      this->working_dir_ = attrs->getValue((size_t)3);
      this->activation_ = attrs->getValue((size_t)4);
      this->env_vars_.clear();
      int limit = ACE_OS::atoi (attrs->getValue((size_t)5));
      this->start_limit_ = limit;
      this->partial_ior_ = attrs->getValue((size_t)6);
      this->server_object_ior_ = attrs->getValue((size_t)7);
    }
  }
  else if (ACE_OS::strcasecmp (qName, ACTIVATOR_INFO_TAG) == 0)
  {
    if (attrs != 0 && attrs->getLength () == 3)
    {
      ACE_CString aname = attrs->getValue((size_t)0);
      ACE_CString token_str = attrs->getValue((size_t)1);
      long token = ACE_OS::atoi (token_str.c_str());
      ACE_CString ior = attrs->getValue((size_t)2);
      this->callback_.next_activator(aname, token, ior);
    }
  }
  else if (ACE_OS::strcasecmp (qName, ENVIRONMENT_TAG) == 0)
  {
    if (attrs != 0 && attrs->getLength() == 2)
    {
      EnvVar ev;
      ev.name = attrs->getValue((size_t)0);
      ev.value = attrs->getValue((size_t)1);
      this->env_vars_.push_back(ev);
    }
  }
}

void
Locator_XMLHandler::endElement (const ACEXML_Char*,
                                const ACEXML_Char*,
                                const ACEXML_Char* qName ACEXML_ENV_ARG_DECL_NOT_USED)
  ACE_THROW_SPEC ((ACEXML_SAXException))
{
  ACE_ASSERT(qName != 0);
  if (ACE_OS::strcasecmp (qName, SERVER_INFO_TAG) == 0
    && this->server_name_.length() > 0)
  {
    this->callback_.next_server(this->server_name_,
      this->activator_name_, this->command_line_,
      this->env_vars_, this->working_dir_, this->activation_,
      this->start_limit_, this->partial_ior_, this->server_object_ior_);
  }
  // activator info is handled in the startElement
}

bool
Locator_XMLHandler::EnvVar::operator==(const EnvVar& rhs) const
{
  return name == rhs.name && value == rhs.value;
}
bool
Locator_XMLHandler::EnvVar::operator!=(const EnvVar& rhs) const
{
  return ! (rhs == *this);
}