CreateApplicationAndPackageKeysForDeveloper

import java.util.HashMap;
import java.util.Map;

import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;

public class CreateApplicationAndPackageKeysForDeveloper {
    
    /**
     * @param args
     */
    public static void main(String[] args) {

        // TODO: Need to enter a developer's username.
        String developerUsername = "<enter a developer's username here>";
        
        try {
            // First create the application; you'll need the generated application id in order to add package keys to the application.
            // Also note the "is_packaged" attribute, set to true.  If set to false, then it is considered to be a "legacy" application, i.e.
            // utilizing Service Keys as opposed to Package Keys.
            String jsonString = "{\"method\":\"application.create\",\"id\":1,\"params\":[{\"name\":\"Application for "+ developerUsername +"\",\"is_packaged\":true,\"member\":{\"username\":\""+developerUsername+"\"}}]}";
            String jsonResponse = callMasheryAPI(jsonString);
            String applicationId = getApplicationIdFromJson(jsonResponse);
            
            // This is just a query to get at package and plan data.  The key is to get the package id and plan ids, both of which are required for the package_key.create method.
            jsonString = "{\"method\":\"object.query\",\"id\":1,\"params\":[\"SELECT id, plans.id FROM packages\"]}";
            jsonResponse = callMasheryAPI(jsonString);
            HashMap<String, String> packages = getPackagesFromJson(jsonResponse); // This is where I'll go and get the package and plan ids from the returned JSON response.
            
            for (Map.Entry<String,String> entry : packages.entrySet()) {
                  String packageId = entry.getKey();
                  String planId = entry.getValue();
                  // Create the package key for the specified application, package an plan.
                  jsonString = "{\"method\":\"package_key.create\",\"id\":1,\"params\":[{\"application\":{\"id\":"+applicationId+"},\"package\":{\"id\":"+packageId+"},\"plan\":{\"id\":"+planId+"}}]}";
                  jsonResponse = callMasheryAPI(jsonString);      
            }
        
        } catch (Exception ex) {
            ex.printStackTrace();
        }
        

    }
    private static HashMap<String, String> getPackagesFromJson(String jsonResponse) throws Exception {
        HashMap<String, String> packages = new HashMap<String, String> ();
        
        ObjectMapper mapper = new ObjectMapper();
        JsonNode rootNode = mapper.readValue(jsonResponse, JsonNode.class);
        JsonNode itemsNodes = rootNode.path("result").path("items");
        for (JsonNode node : itemsNodes) {
            String packageId = node.path("id").toString();
            JsonNode planNode = node.path("plans").get(0);
            String planId = planNode.path("id").toString();
            packages.put(packageId, planId);
          }
        return packages;
    }
    private static String getApplicationIdFromJson(String jsonResponse) throws Exception {
        ObjectMapper mapper = new ObjectMapper();
        JsonNode rootNode = mapper.readValue(jsonResponse, JsonNode.class);
        return rootNode.path("result").path("id").toString();
    }
    private static int getResultTotalPages(String jsonResponse) throws Exception {
            ObjectMapper mapper = new ObjectMapper();
            JsonNode rootNode = mapper.readValue(jsonResponse, JsonNode.class);
            JsonNode totalNode = rootNode.path("result").path("total_pages");
            return Integer.parseInt(totalNode.toString());

    }
    private static String callMasheryAPI(String jsonString) throws Exception
    {
        long epoch = System.currentTimeMillis()/1000;
        String timestamp = Long.toString(epoch);
        String sig = MD5(masheryV2ApiKey + masheryV2ApiSecret + timestamp);  

        String urlStr = "http://api.mashery.com/v2/json-rpc";
        String urlParams ="apikey=" + masheryV2ApiKey + "&sig=" + sig;

        urlStr = urlStr + "/" + siteIdFromDashboard +"?" + urlParams;    

        URL url = new URL(urlStr);

        URLConnection connection = url.openConnection();
        connection.setDoOutput(true); // Triggers POST.
        connection.setDoInput(true);
        connection.setReadTimeout(0);

        connection.setRequestProperty("Accept-Charset", "ISO-8859-1,utf-8;q=0.7,*;q=0.7");
        connection.setRequestProperty("Content-Type", "application/json");
        OutputStreamWriter wr = new OutputStreamWriter(connection.getOutputStream());

        wr.write(jsonString);
        wr.flush();

        BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
        String inputLine;
        StringBuffer buf = new StringBuffer();
        while ((inputLine = in.readLine()) != null)
        {
            buf.append(inputLine);
        }

        wr.close();
        in.close();

        return buf.toString();
    }

    private static String callMasheryReportingAPI(String reportingMethod, String reportingParams) throws Exception
    {
        long epoch = System.currentTimeMillis()/1000;
        String timestamp = Long.toString(epoch);
        String sig = MD5(masheryV2ApiKey + masheryV2ApiSecret + timestamp);  

        String urlStr = "http://api.mashery.com/v2/rest";

        String urlParams ="apikey=" + masheryV2ApiKey + "&sig=" + sig;

        urlStr = urlStr + "/" + siteIdFromDashboard + "/" + reportingMethod  +"?" + reportingParams + "&" + urlParams;    

        URL url = new URL(urlStr);

        URLConnection connection = url.openConnection();
        connection.setDoInput(true);
        connection.setReadTimeout(0);

        connection.setRequestProperty("Accept-Charset", "ISO-8859-1,utf-8;q=0.7,*;q=0.7");
        connection.setRequestProperty("Content-Type", "application/json");

        BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
        String inputLine;
        StringBuffer buf = new StringBuffer();
        while ((inputLine = in.readLine()) != null)
        {
            buf.append(inputLine);
            buf.append("\n");
        }

        in.close();

        return buf.toString();
    }
    private static String convertToHex(byte[] data) { 
        StringBuffer buf = new StringBuffer();
        for (int i = 0; i < data.length; i++) { 
            int halfbyte = (data[i] >>> 4) & 0x0F;
            int two_halfs = 0;
            do { 
                if ((0 <= halfbyte) && (halfbyte <= 9)) 
                    buf.append((char) ('0' + halfbyte));
                else 
                    buf.append((char) ('a' + (halfbyte - 10)));
                halfbyte = data[i] & 0x0F;
            } while(two_halfs++ < 1);
        } 
        return buf.toString();
    } 

    private static String MD5(String text) throws NoSuchAlgorithmException, UnsupportedEncodingException  { 
        MessageDigest md;
        md = MessageDigest.getInstance("MD5");
        byte[] md5hash = new byte[32];
        md.update(text.getBytes("iso-8859-1"), 0, text.length());
        md5hash = md.digest();
        return convertToHex(md5hash);
    }    
    
}