XMLJSONbyGAS.gs

function doPost(e) {
  // some defaults for standalone testing
  e = e || {postData:{contents:"<a>a</a>"}};
  e.queryString = e.queryString || "convert=xmltojson" ;  
  var type = e.queryString.toLowerCase().split("=");
 
  // convert xml to json
  var results = {status:"bad", error:"no errors"};
  try {
    if (type.length < 2 || type[0] != "convert") {
      results.error = "need convert= on url";
    }
    else if (type[1] == "xmltojson") {
      results.xml = e.postData.contents;
      results.json = Xml.parse(results.xml,true);
      results.status = "good";
    }
    else {
      results.error = "only xmltojson implemented for now";
    }
  }
  catch(err) {
    results.error = err;
  }
 
  return ContentService.createTextOutput (JSON.stringify(results))
                  .setMimeType(ContentService.MimeType.JSON) ; 
}

function doGet(e) {
 e=e||{};
 e.type="get";
  return ContentService.createTextOutput (JSON.stringify(e))
                  .setMimeType(ContentService.MimeType.JSON) ; 
}