Turn s3 xml from hitting our Maven repository into a useable json object.

pykl-repo-parser.js

'use strict';

var http = require('http');
var url = '';
var data = '';
var libraries = {
  releases: {},
  snapshots: {}
};

process.argv.forEach(function(val, index, array) {
  if(index === 2) {
    url = val || 'http://repo.pykl.com/';
  }
});

function parseKeys(xml) {
  var regex = new RegExp('<Key>(.+?)<\/Key>', 'g');
  var keys = [];
  var result = [];
  var done = false;
  console.log(JSON.stringify(regex, null, 2));
  while((result = regex.exec(xml)) !== null) {
    keys.push(result[1]);
  }
  return keys;
}

console.log('Url: ' + url);
var res = http.get(url, function (res) {
  res.setEncoding('utf-8');
  res.on('data', function(chunk) {
    data = data + chunk;
  });
  res.on('end', function(e) {
  console.log('Data: ' + data);
  var keys = parseKeys(data);
  console.log('Keys: ' + keys);
  if(typeof keys !== 'undefined' && keys !== null) {
    keys.forEach(function (key) {
      key = key.split('/');
      if(key.length >= 5) {
        // split key looks like <releases/snapshots>, <groupid half>, <groupid half>, 
        // <artifactid>, <version>, <files>
        var type = key[0];
        var versionKey; 

        if(key[1] !== '.') {
          for(var i=0; i<key.length; i++) {
            if(/^\d/.test(key[i])) {
              versionKey = i;
            }
          }
          var groupid = [];
          for(var j=1; j<(versionKey-1); j++) {
            groupid.push(key[j]);
          }
          var groupid = groupid.join('.');
          var artifactid = key[(versionKey-1)];
          var version = key[versionKey];
          var fullName = [groupid, artifactid].join('.');
          if(groupid) {
            if(typeof libraries[type][fullName] === 'undefined') {
              libraries[type][fullName] = {
                groupid: groupid,
                artifactid: artifactid
              };
            }

            if(typeof libraries[type][fullName].versions === 'undefined') {
              libraries[type][fullName].versions = {};
            }
            
            libraries[type][fullName].versions[version] = true;
          }
        }
      }
      
    });
    console.log(JSON.stringify(libraries, null, 2));
  }
});
}).on('error', function(e) {
  console.log('Error: ' + e);
});