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// $Id$

#ifndef DAnCE_Utility_CPP
#define DAnCE_Utility_CPP

#include "DAnCE_Utility.h"
#include "ace/OS_NS_stdio.h"
#include "DAnCE_PropertiesC.h"

namespace DAnCE
{
  namespace Utility
  {
    void build_property_map (PROPERTY_MAP &map,
                             const ::Deployment::Properties &prop)
    {
      DANCE_TRACE("DAnCE::Utility::build_config_values_map");
      

      for (CORBA::ULong i = 0; i < prop.length (); ++i)
        {
          int const retval = map.rebind (prop[i].name.in (), prop[i].value);

          if (retval == 1)
            {
              DANCE_ERROR (1, (LM_WARNING, DLINFO
                               "build_property_map: Duplicate value "
                               "for %C encountered, "
                               "old value overwritten.\n",
                               prop[i].name.in ()));
            }
          else if (retval == -1)
            {
              DANCE_ERROR (1, (LM_WARNING, DLINFO
                               "build_property_map: "
                               "Error binding value for %C, ignoring.\n",
                               prop[i].name.in ()));
            }
          else
            {
              DANCE_DEBUG (9, (LM_TRACE, DLINFO
                               "build_property_map: "
                               "Bound value for config value %C\n",
                               prop[i].name.in ()));
            }
        }
    }

    int write_IOR (const ACE_TCHAR *pathname, const char *ior)
    {
      FILE* ior_output_file_ = ACE_OS::fopen (pathname, ACE_TEXT("w"));

      DANCE_DEBUG (7, (LM_DEBUG, DLINFO
                       "DAnCE::Utility::write_IOR - "
                       "Writing ior <%C> to file <%C>\n",
                       ior, pathname));

      if (ior_output_file_)
        {
          ACE_OS::fprintf (ior_output_file_,
                           "%s",
                           ior);
          ACE_OS::fclose (ior_output_file_);
          return 0;
        }

      return -1;
    }


    void append_properties (::Deployment::Properties &dest,
                            const ::Deployment::Properties &src)
    {
      CORBA::ULong pos = dest.length ();
      dest.length (pos + src.length ());
      
      for (CORBA::ULong i = 0; i < src.length (); ++i)
        {
          dest[pos].name = CORBA::string_dup (src[i].name.in ());
          dest[pos].value = src[i].value;
          ++pos;
        }
    }

    template<>
    bool get_property_value (const char *name,
                             const PROPERTY_MAP &properties, 
                             bool &val)
    {
      DANCE_TRACE ("DAnCE::Utility::get_property_value<bool>");

      DANCE_DEBUG (9, (LM_TRACE, DLINFO 
                       ACE_TEXT("DAnCE::Utility::get_property_value<bool> - ")
                       ACE_TEXT("Finding property value for name '%C'\n"),
                       name));

      CORBA::Any any;
      if (properties.find (name, any) == 0)
        {
          if (any >>= CORBA::Any::to_boolean(val))
            {
              return true;
            }
          else
            {
              DANCE_ERROR (1, (LM_WARNING, DLINFO 
                               ACE_TEXT("DAnCE::Utility::get_property_value<T> - ")
                               ACE_TEXT("Failed to extract property value for %C\n"), name));
              return false;
            }
        }

      DANCE_DEBUG (9, (LM_TRACE, DLINFO 
                       ACE_TEXT("DAnCE::Utility::get_property_value<bool> - ")
                       ACE_TEXT("Property value for name '%C' has no value\n"),
                       name));

      return false;
    }

    template<>
    bool get_property_value (const char *name,
                             const PROPERTY_MAP &properties, 
                             const char *&val)
    {
      DANCE_TRACE ("DAnCE::Utility::get_property_value<const char *>");
      CORBA::Any any;

      DANCE_DEBUG (9, (LM_TRACE, DLINFO 
                       ACE_TEXT("DAnCE::Utility::get_property_value<bool> - ")
                       ACE_TEXT("Finding property value for name '%C'\n"),
                       name));

      if (properties.find (name, any) == 0)
        {
          if (any >>= CORBA::Any::to_string(val, 0))
            {
              return true;
            }
          else
            {
              DANCE_ERROR (1, (LM_WARNING, DLINFO 
                               ACE_TEXT("DAnCE::Utility::get_property_value<const char *> - ")
                               ACE_TEXT("Failed to extract property value for %C\n"), name));
              return false;
            }
        }

      DANCE_DEBUG (9, (LM_TRACE, DLINFO 
                       ACE_TEXT("DAnCE::Utility::get_property_value<bool> - ")
                       ACE_TEXT("Property value for name '%C' has no value\n"), name));

      return false;
    }

    template<>
    bool get_property_value (const char *name, 
                             const ::Deployment::Properties &properties,
                             const char * &val)
    {
      DANCE_TRACE ("DAnCE::Utility::get_property_value<const char *>");

      DANCE_DEBUG (9, (LM_TRACE, DLINFO 
                       ACE_TEXT("DAnCE::Utility::get_property_value<T> - ")
                       ACE_TEXT("Finding property value for name '%C'\n"),
                       name));

      for (CORBA::ULong i = 0; i < properties.length (); ++i)
        {
          if (ACE_OS::strcmp (properties[i].name.in (), name) == 0)
            {
              DANCE_DEBUG (9, (LM_TRACE, DLINFO 
                               ACE_TEXT("DAnCE::Utility::get_property_value<T> - ")
                               ACE_TEXT("Found property '%C'\n"), name));
              if (properties[i].value >>= CORBA::Any::to_string (val, 0))
                {
                  DANCE_DEBUG (9, (LM_TRACE, DLINFO
                                   ACE_TEXT("DAnCE::Utility::get_property_value<T> - ")
                                   ACE_TEXT("Value is %C\n"), val));
                  return true;
                }
              else
                {
                  DANCE_ERROR (1, (LM_WARNING, DLINFO 
                                   ACE_TEXT("DAnCE::Utility::get_property_value<T> - ")
                                   ACE_TEXT("Failed to extract property value for %C\n"),
                                   name));
                  return false;
                }
            }
        }


      DANCE_DEBUG (9, (LM_TRACE, DLINFO 
                       ACE_TEXT("DAnCE::Utility::get_property_value<T> - ")
                       ACE_TEXT("Unable to find property named %C\n"), name));

      return false;
    }

    const char *
    get_instance_type (const ::Deployment::Properties& prop)
    {
      DANCE_TRACE ("DAnCE::Utility::get_instance_type");

      for (CORBA::ULong i = 0; i < prop.length (); ++i)
        {
          DANCE_DEBUG (9, (LM_TRACE, DLINFO
                           ACE_TEXT("DAnCE::Utility::get_instance_type - ")
                           ACE_TEXT("Checking property %C\n"),
                           prop[i].name.in ()));

          if (ACE_OS::strcmp (prop[i].name.in (),
                              DAnCE::HOME_FACTORY) == 0)
            {
              DANCE_DEBUG (9, (LM_TRACE, DLINFO
                               ACE_TEXT("DAnCE::Utility::get_instance_type - ")
                               ACE_TEXT("Found Home type\n")));
              return DAnCE::CCM_HOME;
            }
          if (ACE_OS::strcmp (prop[i].name.in (),
                              DAnCE::COMPONENT_FACTORY) == 0)
            {
              DANCE_DEBUG (9, (LM_TRACE, DLINFO
                               ACE_TEXT("DAnCE::Utility::get_instance_type - ")
                               ACE_TEXT("Found unmanaged component type.\n")));
              return DAnCE::CCM_COMPONENT;
            }
          if (ACE_OS::strcmp (prop[i].name.in (),
                              DAnCE::EXPLICIT_HOME) == 0)
            {
              DANCE_DEBUG (9, (LM_TRACE, DLINFO
                               ACE_TEXT("DAnCE::Utility::get_instance_type - ")
                               ACE_TEXT("Found explicit home component type.\n")));
              return DAnCE::CCM_HOMEDCOMPONENT;;
            }

          if (ACE_OS::strcmp (prop[i].name.in (),
                              DAnCE::IMPL_TYPE) == 0)
            {
              const char *val;
              if (get_property_value (DAnCE::IMPL_TYPE,
                                      prop,
                                      val))
                {
                  DANCE_DEBUG (9, (LM_TRACE, DLINFO
                                   ACE_TEXT("DAnCE::Utility::get_instance_type - ")
                                   ACE_TEXT("Found instance type %C\n"), val));
                  return val;
                }
            }
        }

      DANCE_ERROR (1, (LM_INFO, DLINFO
                       ACE_TEXT("DAnCE::Utility::get_instance_type - ")
                       ACE_TEXT("Unable to determine instance type, instance will be ignored.\n")));
      return 0;
    }
  } /* namespace Utility */
}
#endif /*DAnCE_Utility_CPP*/