Subversion Repositories SmartDukaan

package in.shop2020.web;

import java.lang.reflect.Type;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;

import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.google.appengine.api.datastore.DatastoreService;
import com.google.appengine.api.datastore.DatastoreServiceFactory;
import com.google.appengine.api.datastore.Entity;
import com.google.gson.Gson;
import com.google.gson.reflect.TypeToken;

public class UploadCatalogItemsServlet extends HttpServlet {

    private static final long serialVersionUID = -3936645972813167428L;

    public void doPost(HttpServletRequest req, HttpServletResponse resp) {
        String data = req.getParameter("data");
        Gson gson = new Gson();
        List<Map<String, String>> jsonItems = new ArrayList<Map<String, String>>();
        Type listOfMapType = new TypeToken<List<Map<String, String>>>() {}.getType();
        jsonItems = gson.fromJson(data, listOfMapType);
        
        for (Map<String, String> jsonItem : jsonItems) {
            Entity entity = new Entity("Catalog", Long.parseLong(jsonItem.get("id")));
            for (Entry<String, String> entry : jsonItem.entrySet()) {
                String key = entry.getKey();
                String value = entry.getValue();
                if (key.endsWith("_long")) {
                    entity.setProperty(key.replace("_long", ""), Long.parseLong(value));
                }
                else {
                    entity.setProperty(key, value);
                }
            }
                
            DatastoreService ds = DatastoreServiceFactory.getDatastoreService();
            ds.put(entity);
        }
    }
    
    public void doGet(HttpServletRequest req, HttpServletResponse resp) {
        doPost(req, resp);
    }
}