public JSONObject filterPlacesRandomly(
JSONObject placesJSONObject, int finalPlacesNumberPerRequest, List<String> place_ids) {
JSONObject initialJSON = (JSONObject) placesJSONObject.clone();
JSONObject finalJSONObject = new JSONObject();
int numberFields = placesJSONObject.size();
int remainingPlaces = finalPlacesNumberPerRequest;
int keywordsProcessed = 0;
Set<String> keywords = initialJSON.keySet();
for (String keyword : keywords) {
JSONArray placesForKeyword = (JSONArray) initialJSON.get(keyword);
JSONArray finalPlacesForKeyword = new JSONArray();
int placesForKeywordSize = placesForKeyword.size();
int maxPlacesToKeepInFinalJSON = remainingPlaces / (numberFields - keywordsProcessed);
int placesToKeepInFinalJSON = Math.min(maxPlacesToKeepInFinalJSON, placesForKeywordSize);
remainingPlaces -= placesToKeepInFinalJSON;
for (int i = 0; i < placesToKeepInFinalJSON; i++) {
int remainingPlacesInJSONArray = placesForKeyword.size();
int randomElementPosInArray = (new Random()).nextInt(remainingPlacesInJSONArray);
JSONObject temp = (JSONObject) placesForKeyword.remove(randomElementPosInArray);
place_ids.add((String) temp.get("place_id"));
finalPlacesForKeyword.add(temp);
}
finalJSONObject.put(keyword, finalPlacesForKeyword);
keywordsProcessed++;
}
return finalJSONObject;
}
/** Finds the product combinations of numItems items with $1 of the totalPrice */
private void findProductCombination(
ArrayList<Product> productList, double target, ArrayList<Product> partial) {
// Keeping +-2 dollar as the price search window.
int priceBuffer = 2;
// if partial size > numItems, you already have too many items, so stop
if (partial.size() > itemCount) {
return;
}
double sum = 0;
for (Product x : partial) sum += x.getPrice();
if (Math.abs(sum - target) < priceBuffer
&& partial.size() == itemCount
&& desiredProductList.size() < 25) {
// if no price combos yet, just add it on
if (desiredProductList.size() == 0) {
desiredProductList.add(new Combination(partial, totalPrice));
}
// otherwise, check it against the most recent product combo to make sure you're not repeating
// TODO: check all product combos
else {
Combination testerCombo = desiredProductList.get(desiredProductList.size() - 1);
Combination partialCombo = new Combination(partial, totalPrice);
if (!partialCombo.equals(testerCombo)) {
desiredProductList.add(partialCombo);
}
}
}
// if sum is at or within $1 of target, then stop - done!
if (sum >= target + priceBuffer) {
return;
}
// otherwise, recursively continue adding another product to combo and test it
for (int i = 0; i < productList.size() && !(partial.size() == itemCount && sum < target); i++) {
ArrayList<Product> remaining = new ArrayList<Product>();
Product n = productList.get(i);
for (int j = i + 1; j < productList.size(); j++) {
remaining.add(productList.get(j));
}
ArrayList<Product> partial_rec = new ArrayList<Product>(partial);
partial_rec.add(n);
findProductCombination(remaining, target, partial_rec);
}
}
/** Give the users search criteria (item count and price range), find products in that range. */
@SuppressWarnings("unchecked")
private void findProducts() throws IOException, ParseException {
int page = 0;
int priceRange = 2;
// Get first 100 lowest priced products listed in Zappos.
String reply = GetResult(page);
JSONArray resultArray = resultParse(reply);
// Lowest priced product, offcourse the first one.
double lowestPrice = getDouble(resultArray.get(0));
// If you can't match users criteria with the lowest priced item, return NULL.
if ((lowestPrice * itemCount) < (totalPrice + priceRange)) {
// We can proceed, find the max price given the min price.
maxPrice = totalPrice - (itemCount - 1) * (lowestPrice);
// We have first page, fetch the next page.
page++;
// Last product price.
Double lastPrice = getDouble(resultArray.get(resultArray.size() - 1));
// Keep fetching till we get products within our search range.
while (lastPrice < maxPrice) {
String nextPage = GetResult(page);
JSONArray nextArray = resultParse(nextPage);
// append new page of results to original array
resultArray.addAll(nextArray);
// get new last product and price
lastPrice = getDouble(nextArray.get(nextArray.size() - 1));
page++;
}
allProductList.add(new Product((JSONObject) resultArray.get(0)));
// count how many times a price has already shown up
int already = 1;
int numPrices = 1;
// go through the whole
for (int i = 1; i < resultArray.size() && getDouble(resultArray.get(i)) < maxPrice; i++) {
System.out.println("I : " + i);
double currentPrice = getDouble(resultArray.get(i));
if (currentPrice > allProductList.get(numPrices - 1).getPrice()) {
allProductList.add(new Product((JSONObject) resultArray.get(i)));
numPrices++;
already = 1;
} else if (Math.abs(currentPrice - allProductList.get(numPrices - 1).getPrice()) < TOL
&& already < itemCount) {
allProductList.add(new Product((JSONObject) resultArray.get(i)));
numPrices++;
already++;
} else {
// Finding products with the same price as the last one added to the productObjects list
while (i < resultArray.size()
&& Math.abs(currentPrice - allProductList.get(numPrices - 1).getPrice()) < TOL) {
i++;
currentPrice = getDouble(resultArray.get(i));
}
i++;
already = 0;
}
}
}
}
public class SearchProduct {
private int itemCount;
private double totalPrice;
private String zapposKey;
private double maxPrice;
private ArrayList<Product> allProductList;
private ArrayList<Combination> desiredProductList;
private final double TOL = Math.pow(10, -7);
public SearchProduct(int num, double total, String key) {
itemCount = num;
totalPrice = total;
zapposKey = key;
maxPrice = Integer.MAX_VALUE; // will set later
allProductList = new ArrayList<Product>();
desiredProductList = new ArrayList<Combination>();
}
/** Get the double value of JSON object */
private Double getDouble(Object item) {
return Double.parseDouble(((String) ((JSONObject) item).get("price")).substring(1));
}
/** Do a Zappos Search and return the result and returns the result */
public String GetResult(int page) throws IOException {
String urlStr =
"http://api.zappos.com/Search?key="
+ zapposKey
+ "&term=&limit=100&sort={\"price\":\"asc\"}";
if (page != 0) {
urlStr += "&page=" + page;
}
URL url = new URL(urlStr);
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
if (conn.getResponseCode() != 200) {
throw new IOException(conn.getResponseMessage());
}
// Buffer the result into a string
BufferedReader rd = new BufferedReader(new InputStreamReader(conn.getInputStream()));
StringBuilder sb = new StringBuilder();
String line;
while ((line = rd.readLine()) != null) {
sb.append(line);
}
rd.close();
conn.disconnect();
return sb.toString();
}
/** Parse the Search result and return JSON Array */
public static JSONArray resultParse(String reply) throws ParseException {
JSONParser parser = new JSONParser();
JSONObject obj = (JSONObject) parser.parse(reply);
JSONArray resultArray = (JSONArray) obj.get("results");
return resultArray;
}
/** Give the users search criteria (item count and price range), find products in that range. */
@SuppressWarnings("unchecked")
private void findProducts() throws IOException, ParseException {
int page = 0;
int priceRange = 2;
// Get first 100 lowest priced products listed in Zappos.
String reply = GetResult(page);
JSONArray resultArray = resultParse(reply);
// Lowest priced product, offcourse the first one.
double lowestPrice = getDouble(resultArray.get(0));
// If you can't match users criteria with the lowest priced item, return NULL.
if ((lowestPrice * itemCount) < (totalPrice + priceRange)) {
// We can proceed, find the max price given the min price.
maxPrice = totalPrice - (itemCount - 1) * (lowestPrice);
// We have first page, fetch the next page.
page++;
// Last product price.
Double lastPrice = getDouble(resultArray.get(resultArray.size() - 1));
// Keep fetching till we get products within our search range.
while (lastPrice < maxPrice) {
String nextPage = GetResult(page);
JSONArray nextArray = resultParse(nextPage);
// append new page of results to original array
resultArray.addAll(nextArray);
// get new last product and price
lastPrice = getDouble(nextArray.get(nextArray.size() - 1));
page++;
}
allProductList.add(new Product((JSONObject) resultArray.get(0)));
// count how many times a price has already shown up
int already = 1;
int numPrices = 1;
// go through the whole
for (int i = 1; i < resultArray.size() && getDouble(resultArray.get(i)) < maxPrice; i++) {
System.out.println("I : " + i);
double currentPrice = getDouble(resultArray.get(i));
if (currentPrice > allProductList.get(numPrices - 1).getPrice()) {
allProductList.add(new Product((JSONObject) resultArray.get(i)));
numPrices++;
already = 1;
} else if (Math.abs(currentPrice - allProductList.get(numPrices - 1).getPrice()) < TOL
&& already < itemCount) {
allProductList.add(new Product((JSONObject) resultArray.get(i)));
numPrices++;
already++;
} else {
// Finding products with the same price as the last one added to the productObjects list
while (i < resultArray.size()
&& Math.abs(currentPrice - allProductList.get(numPrices - 1).getPrice()) < TOL) {
i++;
currentPrice = getDouble(resultArray.get(i));
}
i++;
already = 0;
}
}
}
}
/** Finds the product combinations of numItems items with $1 of the totalPrice */
private void findProductCombination(
ArrayList<Product> productList, double target, ArrayList<Product> partial) {
// Keeping +-2 dollar as the price search window.
int priceBuffer = 2;
// if partial size > numItems, you already have too many items, so stop
if (partial.size() > itemCount) {
return;
}
double sum = 0;
for (Product x : partial) sum += x.getPrice();
if (Math.abs(sum - target) < priceBuffer
&& partial.size() == itemCount
&& desiredProductList.size() < 25) {
// if no price combos yet, just add it on
if (desiredProductList.size() == 0) {
desiredProductList.add(new Combination(partial, totalPrice));
}
// otherwise, check it against the most recent product combo to make sure you're not repeating
// TODO: check all product combos
else {
Combination testerCombo = desiredProductList.get(desiredProductList.size() - 1);
Combination partialCombo = new Combination(partial, totalPrice);
if (!partialCombo.equals(testerCombo)) {
desiredProductList.add(partialCombo);
}
}
}
// if sum is at or within $1 of target, then stop - done!
if (sum >= target + priceBuffer) {
return;
}
// otherwise, recursively continue adding another product to combo and test it
for (int i = 0; i < productList.size() && !(partial.size() == itemCount && sum < target); i++) {
ArrayList<Product> remaining = new ArrayList<Product>();
Product n = productList.get(i);
for (int j = i + 1; j < productList.size(); j++) {
remaining.add(productList.get(j));
}
ArrayList<Product> partial_rec = new ArrayList<Product>(partial);
partial_rec.add(n);
findProductCombination(remaining, target, partial_rec);
}
}
/** Returns the gift combinations that are closest to the total dollar amount */
@SuppressWarnings("unchecked")
public String getGiftCombos() throws IOException, ParseException {
// get products from API
System.out.println("Searching Zappos...");
this.findProducts();
// find combinations that work
this.findProductCombination(allProductList, totalPrice, new ArrayList<Product>());
Collections.sort(desiredProductList);
// see if you have any combos
if (desiredProductList.size() != 0) {
String toPrint = "\nDone!\n";
for (Combination x : desiredProductList) {
toPrint += x.toString() + "\n";
}
return toPrint;
} else {
return "No items matching your criteria. Try fewer items or higher price range.";
}
}
public static void main(String[] args) {
Scanner reader = new Scanner(System.in);
System.out.println("Enter desired # of products : ");
int itemcount = reader.nextInt();
System.out.println("Enter desired $ amount : ");
double price = reader.nextInt();
System.out.println("Enter your Key to Zappos API: ");
String zapposKey = reader.next();
try {
SearchProduct searcher = new SearchProduct(itemcount, price, zapposKey);
System.out.println(searcher.getGiftCombos());
} catch (ParseException e) {
// occurs if parsed incorrectly
System.err.println("Sorry, we couldn't parse the server's response.");
e.printStackTrace();
} catch (IOException e) {
// occurs if response code wasn't 200
System.err.println("Sorry, something went wrong with our search.");
e.printStackTrace();
}
}
}
// public List getUserStoryList(String sessionId,String iterationId,ServletOutputStream out) {
public List getUserStoryList(String sessionId, String iterationId, PrintWriter out) {
List<Map> list = new ArrayList<Map>();
statusMap.put(sessionId, "0");
try {
String apiURL =
rallyApiHost
+ "/hierarchicalrequirement?"
+ "query=(Iteration%20=%20"
+ rallyApiHost
+ "/iteration/"
+ iterationId
+ ")&fetch=true&start=1&pagesize=100";
log.info("getUserStoryList apiURL=" + apiURL);
String responseXML = getRallyXML(apiURL);
org.jdom.input.SAXBuilder bSAX = new org.jdom.input.SAXBuilder();
org.jdom.Document doc = bSAX.build(new StringReader(responseXML));
Element root = doc.getRootElement();
XPath xpath = XPath.newInstance("//Object");
List xlist = xpath.selectNodes(root);
int totalSteps = xlist.size() + 1;
int currentStep = 0;
List taskRefLink = new ArrayList();
Iterator iter = xlist.iterator();
while (iter.hasNext()) {
double totalTimeSpent = 0.0D;
Map map = new HashMap();
Element item = (Element) iter.next();
String objId = item.getChildText("ObjectID");
String name = item.getChildText("Name");
String planEstimate = item.getChildText("PlanEstimate");
String formattedId = item.getChildText("FormattedID");
String taskActualTotal = item.getChildText("TaskActualTotal");
String taskEstimateTotal = item.getChildText("TaskEstimateTotal");
String taskRemainingTotal = item.getChildText("TaskRemainingTotal");
String scheduleState = item.getChildText("ScheduleState");
Element ownerElement = item.getChild("Owner");
String owner = "";
String ownerRef = "";
if (ownerElement != null) {
owner = ownerElement.getAttributeValue("refObjectName");
}
Element taskElements = item.getChild("Tasks");
// List taskElementList=taskElements.getContent();
List taskElementList = taskElements.getChildren();
List taskList = new ArrayList();
log.info("taskElements.getChildren=" + taskElements);
log.info("taskList=" + taskElementList);
for (int i = 0; i < taskElementList.size(); i++) {
Element taskElement = (Element) taskElementList.get(i);
String taskRef = taskElement.getAttributeValue("ref");
String[] objectIdArr = taskRef.split("/");
String objectId = objectIdArr[objectIdArr.length - 1];
log.info("objectId=" + objectId);
// Map taskMap=getTaskMap(taskRef);
Map taskMap = getTaskMapBatch(objectId);
double taskTimeSpentTotal =
Double.parseDouble((String) taskMap.get("taskTimeSpentTotal"));
totalTimeSpent += taskTimeSpentTotal;
taskList.add(taskMap);
}
map.put("type", "userstory");
map.put("formattedId", formattedId);
map.put("name", name);
map.put("taskStatus", scheduleState);
map.put("owner", owner);
map.put("planEstimate", planEstimate);
map.put("taskEstimateTotal", taskEstimateTotal);
map.put("taskRemainingTotal", taskRemainingTotal);
map.put("taskTimeSpentTotal", "" + totalTimeSpent);
list.add(map);
list.addAll(taskList);
++currentStep;
double percentage = 100.0D * currentStep / totalSteps;
String status = "" + Math.round(percentage);
statusMap.put(sessionId, status);
out.println("<script>parent.updateProcessStatus('" + status + "%')</script>" + status);
out.flush();
log.info("out.flush..." + status);
// log.info("status="+status+" sessionId="+sessionId);
// log.info("L1 statusMap="+statusMap+" "+statusMap.hashCode());
}
double planEstimate = 0.0D;
double taskEstimateTotal = 0.0D;
double taskRemainingTotal = 0.0D;
double taskTimeSpentTotal = 0.0D;
Map iterationMap = new HashMap();
for (Map map : list) {
String type = (String) map.get("type");
String planEstimateStr = (String) map.get("planEstimate");
log.info("planEstimateStr=" + planEstimateStr);
if ("userstory".equals(type)) {
if (planEstimateStr != null) {
planEstimate += Double.parseDouble(planEstimateStr);
}
taskEstimateTotal += Double.parseDouble((String) map.get("taskEstimateTotal"));
taskRemainingTotal += Double.parseDouble((String) map.get("taskRemainingTotal"));
taskTimeSpentTotal += Double.parseDouble((String) map.get("taskTimeSpentTotal"));
}
}
apiURL = rallyApiHost + "/iteration/" + iterationId + "?fetch=true";
log.info("iteration apiURL=" + apiURL);
responseXML = getRallyXML(apiURL);
bSAX = new org.jdom.input.SAXBuilder();
doc = bSAX.build(new StringReader(responseXML));
root = doc.getRootElement();
xpath = XPath.newInstance("//Iteration");
xlist = xpath.selectNodes(root);
String projName = "";
String iterName = "";
String iterState = "";
iter = xlist.iterator();
while (iter.hasNext()) {
Element item = (Element) iter.next();
iterName = item.getChildText("Name");
iterState = item.getChildText("State");
Element projElement = item.getChild("Project");
projName = projElement.getAttributeValue("refObjectName");
}
iterationMap.put("type", "iteration");
iterationMap.put("formattedId", "");
iterationMap.put("name", projName + " - " + iterName);
iterationMap.put("taskStatus", iterState);
iterationMap.put("owner", "");
iterationMap.put("planEstimate", "" + planEstimate);
iterationMap.put("taskEstimateTotal", "" + taskEstimateTotal);
iterationMap.put("taskRemainingTotal", "" + taskRemainingTotal);
iterationMap.put("taskTimeSpentTotal", "" + taskTimeSpentTotal);
list.add(0, iterationMap);
statusMap.put(sessionId, "100");
log.info("L2 statusMap=" + statusMap);
log.info("L2 verify=" + getProcessStatus(sessionId));
log.info("-----------");
// String jsonData=JsonUtil.encodeObj(list);
String jsonData = JSONValue.toJSONString(list);
out.println("<script>parent.tableResult=" + jsonData + "</script>");
out.println("<script>parent.showTableResult()</script>");
} catch (Exception ex) {
log.error("ERROR: ", ex);
}
return list;
}