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@@ -2,30 +2,168 @@ package io.zipcoder;
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import java.util.ArrayList;
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import java.util.Arrays;
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+import java.util.HashMap;
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+import java.util.Map;
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+import java.util.regex.Matcher;
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+import java.util.regex.Pattern;
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9
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public class ItemParser {
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11
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+ public static int counter = 0;
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+ private HashMap<String, ArrayList<Item>> groceryList = new HashMap<String, ArrayList<Item>>();
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14
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- public ArrayList<String> parseRawDataIntoStringArray(String rawData){
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+
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+ public ArrayList<String> parseRawDataIntoStringArray(String rawData) {
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String stringPattern = "##";
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- ArrayList<String> response = splitStringWithRegexPattern(stringPattern , rawData);
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+ ArrayList<String> response = splitStringWithRegexPattern(stringPattern, rawData);
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return response;
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}
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- public Item parseStringIntoItem(String rawItem) throws ItemParseException{
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- return null;
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+ public Item parseStringIntoItem(String rawItem) throws ItemParseException {
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+
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+ if (findName(rawItem) == null || findPrice(rawItem) == null) {
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+ throw new ItemParseException();
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+ }
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+
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+ String name = findName(rawItem);
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+ Double price = Double.parseDouble(findPrice(rawItem));
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+ String type = findType(rawItem);
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+ String expirationDate = findExpirationDate(rawItem);
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+
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+ return new Item(name, price, type, expirationDate);
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}
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- public ArrayList<String> findKeyValuePairsInRawItemData(String rawItem){
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+ public ArrayList<String> findKeyValuePairsInRawItemData(String rawItem) {
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String stringPattern = "[;|^]";
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- ArrayList<String> response = splitStringWithRegexPattern(stringPattern , rawItem);
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+ ArrayList<String> response = splitStringWithRegexPattern(stringPattern, rawItem);
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return response;
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}
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- private ArrayList<String> splitStringWithRegexPattern(String stringPattern, String inputString){
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+ private ArrayList<String> splitStringWithRegexPattern(String stringPattern, String inputString) {
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return new ArrayList<String>(Arrays.asList(inputString.split(stringPattern)));
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}
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+ public String findName(String rawItem) {
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+
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+ Pattern namePattern = Pattern.compile("(?<=([Nn][Aa][Mm][Ee][^A-Za-z])).*?(?=[^A-Za-z0])");
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+ Matcher regexMatcher1 = namePattern.matcher(rawItem);
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+ if (regexMatcher1.find()) {
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+ if (!regexMatcher1.group().equals("")) {
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+ String name = regexMatcher1.group().replaceAll("\\d", "o");
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+ return name.toLowerCase();
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+ }
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+
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+ }
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+ return null;
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+ }
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+
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+ public String findPrice(String rawItem) {
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+ Pattern pricePattern = Pattern.compile("(?<=([Pp][Rr][Ii][Cc][Ee][^A-Za-z])).*?(?=[^0-9.])");
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+ Matcher regexMatcher2 = pricePattern.matcher(rawItem);
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+ if (regexMatcher2.find()) {
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+ if (!regexMatcher2.group().equals("")) {
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+ return regexMatcher2.group();
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+ }
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+ }
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+ return null;
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+ }
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+
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+ public String findType(String rawItem) {
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+ Pattern typePattern = Pattern.compile("(?<=([Tt][Yy][Pp][Ee][^A-Za-z])).*?(?=[^A-Za-z0])");
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+ Matcher regexMatcher3 = typePattern.matcher(rawItem);
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+ if (regexMatcher3.find()) {
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+ return (regexMatcher3).group().toLowerCase();
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+ } else return null;
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+ }
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+
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+ public String findExpirationDate(String rawItem) {
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+ Pattern expirationDatePattern = Pattern.compile("(?<=([Ee][Xx][Pp][Ii][Rr][Aa][Tt][Ii][Oo][Nn][^A-Za-z]))(.)+[^#]");
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+ Matcher regexMatcher4 = expirationDatePattern.matcher(rawItem);
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+ if (regexMatcher4.find()) {
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+ return (regexMatcher4).group();
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+ } else return null;
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+
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+ }
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+
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+ public HashMap<String, ArrayList<Item>> buildMap() throws Exception {
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+ Main main = new Main();
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+ ArrayList<String> listOfItems = parseRawDataIntoStringArray(main.readRawDataToString());
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+ for (String anItem : listOfItems) {
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+ try {
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+ Item newItem = parseStringIntoItem(anItem);
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+ if (!groceryList.containsKey(newItem.getName())) {
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+ ArrayList<Item> myItem = new ArrayList<Item>();
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+ myItem.add(newItem);
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+ groceryList.put(newItem.getName(), myItem);
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+ } else {
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+ groceryList.get(newItem.getName()).add(newItem);
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+ }
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+ } catch (ItemParseException e) {
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+ counter++;
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+ }
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+ }
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+ return groceryList;
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+ }
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+
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+ public String generateReport() throws Exception {
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+ groceryList = buildMap();
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+ StringBuilder builder = new StringBuilder();
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+
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+ for(Map.Entry<String,ArrayList<Item>>groceryItems:groceryList.entrySet()){
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+ builder.append("\nname: ");
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+ builder.append(String.format("%8s",captitalizeFirstLetter(groceryItems.getKey())));
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+ builder.append("\t\t\t\tseen: "+getOccurencesOfItems(groceryItems.getValue())+" times\n");
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+ builder.append("==============="+"\t\t\t\t===============\n");
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+ String priceReport = generatePriceReport(groceryItems);
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+ builder.append(priceReport);
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+ builder.append("---------------"+"\t\t\t\t---------------\n");
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+ }
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+
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+ builder.append("\nErrors\t\t\t\t\t\tseen: "+counter+" times\n");
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+
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+ return builder.toString();
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+ }
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+
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+ public int getOccurencesOfItems(ArrayList list) {
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+ return list.size();
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+ }
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+
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+ public int getOccurencesOfPrices(ArrayList<Item> list, Double price) {
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+ int priceCounter = 0;
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+ for (int i = 0; i < list.size(); i++) {
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+ if (list.get(i).getPrice().equals(price) ) {
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+ priceCounter++;
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+ }
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+ }
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+ return priceCounter;
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+ }
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+
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+ public String generatePriceReport(Map.Entry<String, ArrayList<Item>> input) {
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+ String priceReport = "";
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+ ArrayList<Double> nonDupPrices = getUiniquePrices(input);
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+ for(int i=0;i<nonDupPrices.size();i++){
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+ priceReport+="Price";
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+ priceReport+=(String.format("%10s",nonDupPrices.get(i)));
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+ priceReport+=("\t\t\t\tseen: "+ getOccurencesOfPrices(input.getValue(),nonDupPrices.get(i))+
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+ " times\n");
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+ }
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+ return priceReport;
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+
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+ }
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+
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+ public ArrayList<Double> getUiniquePrices(Map.Entry<String, ArrayList<Item>> input) {
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+ ArrayList<Double> uniquePrices = new ArrayList<>();
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+ for (int i=0;i<input.getValue().size();i++) {
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+ if (!uniquePrices.contains(input.getValue().get(i).getPrice())) {
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+ uniquePrices.add(input.getValue().get(i).getPrice());
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+ }
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+ }
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+ return uniquePrices;
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+ }
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+
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+ public String captitalizeFirstLetter(String input) {
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+ return input.substring(0, 1).toUpperCase() + input.substring(1).toLowerCase();
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+ }
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}
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ktecle
6 年之前