Esempio n. 1
0
AOSContext::ReturnCode AOSOutput_JSON::execute(AOSContext& context)
{
  AXmlElement::CONST_CONTAINER paths;
  AXmlElement::CONST_CONTAINER nodes;
  if (context.getOutputParams().find(AOS_BaseModules_Constants::PATH, paths))
  {
    // Get the path fragments and convert into nodes
    for (AXmlElement::CONST_CONTAINER::const_iterator cit = paths.begin(); cit != paths.end(); ++cit)
    {
      // Get path and find associated nodes
      AString path;
      (*cit)->emitContent(path);
      context.useModel().find(path, nodes);
    }
  }

  if (nodes.size() > 0)
  {
    if (nodes.size() > 1)
    {
      // Array
      context.useOutputBuffer().append("[\r\n",3);
      AXmlElement::CONST_CONTAINER::const_iterator cit = nodes.begin();
      while(cit != nodes.end())
      {
        (*cit)->emitJson(context.useOutputBuffer(),1); 
        ++cit;
        if (cit != nodes.end())
          context.useOutputBuffer().append("\r\n,\r\n",5);
      }
      context.useOutputBuffer().append("\r\n]",3);
    }
    else
    {
      // Single object
      nodes.front()->emitJson(context.useOutputBuffer(),0);
    }
  }
  else
  {
    // Entire context model to JSON
    if (context.useEventVisitor().isLoggingDebug())
    {
      context.useEventVisitor().addEvent(ASWNL("Emitting the entire model as JSON object"), AEventVisitor::EL_DEBUG);
    }
    context.useModel().emitJson(context.useOutputBuffer(),0);
  }
  
  // Set the correct content type for XML extension
  m_Services.useConfiguration().setMimeTypeFromExt(ASW("json",4), context);

  return AOSContext::RETURN_OK;
}
Esempio n. 2
0
AOSContext::ReturnCode AOSOutput_Template::execute(AOSContext& context)
{
  //a_See if extension for mime type set for the template(s)
  AString ext;
  if (context.getOutputParams().emitContentFromPath(AOS_BaseModules_Constants::MIME_EXTENSION, ext))
  {
    m_Services.useConfiguration().setMimeTypeFromExt(ext, context);
  }
  else
  {
    //a_Set content type based on request URL extension
    m_Services.useConfiguration().setMimeTypeFromExt(context.useRequestUrl().getExtension(), context);
  }
  
  // Iterate parameters and build the template
  const AXmlElement::CONTAINER& container = context.getOutputParams().getContentContainer();
  for (AXmlElement::CONTAINER::const_iterator cit = container.begin(); cit != container.end(); ++cit)
  {
    //a_Check "if" condition
    AString ifElement;
    if ((*cit)->getAttributes().get(ASW("if",2), ifElement))
    {
      if (ifElement.getSize() > 0)
      {
        //a_Check condition, if not met continue with next template
        if (!context.useModel().exists(ifElement))
        {
          if (context.useEventVisitor().isLogging(AEventVisitor::EL_DEBUG))
            context.useEventVisitor().startEvent(ARope("Skipping conditional file template IF ")+ifElement, AEventVisitor::EL_DEBUG);
          continue;
        }
      }
    }
    //a_Check "ifnot" condition
    ifElement.clear();
    if ((*cit)->getAttributes().get(ASW("ifnot",5), ifElement))
    {
      if (ifElement.getSize() > 0)
      {
        //a_Check condition, if not met continue with next template
        if (context.useModel().exists(ifElement))
        {
          if (context.useEventVisitor().isLogging(AEventVisitor::EL_DEBUG))
            context.useEventVisitor().startEvent(ARope("Skipping conditional file template IFNOT ")+ifElement, AEventVisitor::EL_DEBUG);
          continue;
        }
      }
    }

    //
    // Now we check if this is inlined or filename
    //
    AString str(1024, 512);
    if ((*cit)->getName().equals(AOS_BaseModules_Constants::TEMPLATE))
    {
      if (context.useEventVisitor().isLoggingDebug())
      {
        context.useEventVisitor().startEvent(getClass() + ": Creating new inline template", AEventVisitor::EL_DEBUG);
      }
      // Create a new template
      AAutoPtr<ATemplate> pTemplate(m_Services.createTemplate(), true);

      // Add inline template
      str.clear();
      (*cit)->emitContent(str);
      AFile_AString strfile(str);
      pTemplate->clear();
      pTemplate->fromAFile(strfile);
      pTemplate->process(context.useLuaTemplateContext(), context.useOutputBuffer());
    }
    else if ((*cit)->getName().equals(AOS_BaseModules_Constants::FILENAME))
    {
      // Add filename based template
      AFilename filename(m_Services.useConfiguration().getAosBaseDataDirectory());
      str.clear();
      (*cit)->emitContent(str);
      filename.join(str, false);

      if (context.useEventVisitor().isLoggingDebug())
      {
        context.useEventVisitor().startEvent(getClass()+": Fetching/parsing template for: "+filename, AEventVisitor::EL_DEBUG);
      }
      AAutoPtr<ATemplate> pT(NULL, false);
      if (ACacheInterface::NOT_FOUND == m_Services.useCacheManager().getTemplate(context, filename, pT))
      {
        //a_Not found add error and continue
        if (context.useEventVisitor().isLogging(AEventVisitor::EL_WARN))
          context.useEventVisitor().startEvent(ARope(getClass())+ASWNL(": Unable to find a template file: ")+filename+ASWNL(", ignoring and continuing"), AEventVisitor::EL_WARN);
        continue;
      }

      //a_Parse template
      if (context.useEventVisitor().isLogging(AEventVisitor::EL_DEBUG))
      {
        context.useEventVisitor().startEvent(getClass()+"Processing template file: "+filename, AEventVisitor::EL_DEBUG);
      }
      AASSERT(this, pT.isNotNull());
      pT->process(context.useLuaTemplateContext(), context.useOutputBuffer());
    }
  }

  return AOSContext::RETURN_OK;
}