Java tutorial
package controllers; import org.apache.commons.lang.StringUtils; import org.jsoup.Jsoup; import org.jsoup.nodes.Element; import org.jsoup.select.Elements; import org.jsoup.nodes.Document; import org.w3c.dom.DOMException; import play.libs.F; import play.libs.Json; import play.libs.ws.WS; import play.libs.ws.WSResponse; import play.mvc.Controller; import play.mvc.Result; import play.utils.UriEncoding; import java.io.IOException; import java.lang.System; import java.util.ArrayList; import java.util.LinkedHashMap; import java.util.List; import java.util.Map; import org.json.JSONObject; import org.json.JSONArray; /* * If no license is here then you can do whatever you like! * and of course I am not liable * * Created by kostandin on 06/07/15. * */ public class FASTCOProxy extends Controller { public static F.Promise<Result> index(String query) { if (StringUtils.isEmpty(query)) { F.Promise.promise(new F.Function0<Object>() { @Override public Object apply() throws Throwable { return ok(Json.toJson("Query parameter (q) not provided ")); } }); } String basicUrl = "http://www.fastcodesign.com/api/v1/search"; // Additional query parameters String paged = "0"; int limit = 10; F.Promise<WSResponse> wsResponsePromise = WS.url(basicUrl).setQueryParameter("q", query) .setQueryParameter("paged", paged).setQueryParameter("limit", Integer.toString(limit)).get(); return wsResponsePromise.map(new F.Function<WSResponse, Result>() { @Override public Result apply(WSResponse wsResponse) throws Throwable { String body = wsResponse.getBody(); List<Map<String, String>> results = new ArrayList<Map<String, String>>(); try { JSONObject initialBody = new JSONObject(body); JSONArray resultArray = (JSONArray) initialBody.get("items"); for (int i = 0; i < resultArray.length(); i++) { Map<String, String> keyValue = new LinkedHashMap<String, String>(); JSONObject element = (JSONObject) resultArray.get(i); // Get title keyValue.put("title", element.get("title").toString()); // Get content keyValue.put("content", element.get("deck").toString()); // Get date element = (JSONObject) resultArray.get(i); element = (JSONObject) element.get("date"); element = (JSONObject) element.get("updated"); keyValue.put("date", element.get("long").toString()); // Get url element = (JSONObject) resultArray.get(i); keyValue.put("url", "www." + element.get("url").toString().substring(2)); results.add(keyValue); } } catch (DOMException e) { e.printStackTrace(); } return ok(Json.toJson(results)); } }); } }