ghost1497 6 years ago
parent
commit
8862ffb559

+ 146
- 7
src/main/java/io/zipcoder/ItemParser.java View File

@@ -2,30 +2,169 @@ package io.zipcoder;
2 2
 
3 3
 import java.util.ArrayList;
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 import java.util.Arrays;
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+import java.util.LinkedHashMap;
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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;
5 9
 
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 public class ItemParser {
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+    private ArrayList<String> values;
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+    private ArrayList<Item> itemList;
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+    private int exceptionCount;
7 14
 
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+    ItemParser(String rawList) {
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+        this.values = parseRawDataIntoStringArray(rawList);
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+        this.itemList = new ArrayList<Item>();
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+        buildItemList();
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+    }
8 20
 
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-    public ArrayList<String> parseRawDataIntoStringArray(String rawData){
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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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     }
14 26
 
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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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+        LinkedHashMap<String, String> item = getKeyValueEntries(rawItem);
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+        if (item.get(0) == null || item.get(1) == null) {
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+            throw new ItemParseException();
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+        }
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+        Item newItem = new Item(fixAnyZeros(item.get(0)), Double.valueOf(item.get(1)), item.get(2), item.get(3));
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+        return newItem;
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+    }
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+
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+    public String fixAnyZeros(String s) {
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+        Pattern pattern = Pattern.compile("[0]");
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+        Matcher matcher = pattern.matcher(s);
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+        return matcher.replaceAll("o");
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+    }
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+
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+    public LinkedHashMap<String, String> getKeyValueEntries(String valuePair) {
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+        ArrayList<String> keyValuePairs = findKeyValuePairsInRawItemData(valuePair);
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+        LinkedHashMap<String, String> itemDescription = new LinkedHashMap<String, String>();
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+        for (String keyValues : keyValuePairs) {
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+            ArrayList<String> keyAndValue = splitKeysAndValue(keyValues);
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+            itemDescription.put(convertToLowerCase(keyAndValue.get(0)), convertToLowerCase(keyAndValue.get(1)));
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+        }
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+        return itemDescription;
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+    }
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+
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+    private String convertToLowerCase(String s) {
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+        StringBuilder loweredString = new StringBuilder();
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+        for (int i = 0; i < s.length(); i++) {
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+            if (s.charAt(i) >= 65 && s.charAt(i) <= 90) {
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+                loweredString.append(s.charAt(i) + 32);
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+            } else {
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+                loweredString.append(s.charAt(i));
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+            }
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+        }
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+        return loweredString.toString();
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     }
18 63
 
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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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+
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+    public ArrayList<String> splitKeysAndValue(String rawItem) {
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+        String keyValueSeparators = "[:|@|*|%]";
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+        ArrayList<String> response = splitStringWithRegexPattern(keyValueSeparators, 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 void buildItemList() {
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+        for (String itemDetails : values) {
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+            try {
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+                this.itemList.add(parseStringIntoItem(itemDetails));
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+            } catch (ItemParseException e) {
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+                incrementCounter();
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+            }
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+        }
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+    }
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+    private void incrementCounter() {
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+        this.exceptionCount++;
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+    }
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+
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+    public String getFormattedString() {
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+        ArrayList<LinkedHashMap<String, Integer>> itemSeenInfo = new ArrayList<LinkedHashMap<String, Integer>>();
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+        for (Item item : itemList) {
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+            if (containsCheck(itemSeenInfo, item.getName()) == false) {
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+                itemSeenInfo.add(getOccurrences(item.getName(), itemList));
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+            }
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+        }
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+        StringBuilder output = new StringBuilder();
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+
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+        for (LinkedHashMap<String, Integer> item : itemSeenInfo) {
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+            for (Map.Entry entry : item.entrySet()) {
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+                if (checkIfName(entry.getKey())) {
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+                    output.append(String.format("Name: %-10s \t\t\t " +
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+                            "Seen: %5d\n================ \t\t\t " +
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+                            "===========\n", entry.getKey(), entry.getValue()));
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+                } else {
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+                    output.append(String.format("Price: %-5s \t\t\t " +
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+                            "Seen: %5d\n---------------- \t\t\t " +
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+                            "-----------\n", entry.getKey(), entry.getValue()));
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+                }
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+            }
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+        }
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+        output.append("Errors          \t\t\t Seen: " + exceptionCount);
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+        return output.toString();
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+    }
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+
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+    private boolean checkIfName(Object key) {
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+        Pattern numbers = Pattern.compile("\\d");
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+        Matcher matcher = numbers.matcher(key.toString());
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+        if (matcher.find() == true) {
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+            return false;
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+        }
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+        return true;
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+    }
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+
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+    private boolean containsCheck(ArrayList<LinkedHashMap<String, Integer>> itemSeenInfo, String targetItem) {
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+        for (LinkedHashMap<String, Integer> item : itemSeenInfo) {
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+            for (Map.Entry entry : item.entrySet()) {
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+                if (entry.getKey().equals(targetItem)) {
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+                    return true;
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+                }
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+            }
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+        }
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+        return false;
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+    }
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+
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+    public LinkedHashMap<String, Integer> getOccurrences(String name, ArrayList<Item> items) {
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+        LinkedHashMap<String, Integer> itemOcc = new LinkedHashMap<String, Integer>();
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+        ArrayList<Double> prices = new ArrayList<Double>();
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+        int nameCount = 0;
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+        for (Item item : items) {
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+            if (item.getName().equals(name)) {
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+                nameCount++;
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+                prices.add(item.getPrice());
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+            }
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+        }
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+        itemOcc.put(name, nameCount);
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+        for (Double price : prices) {
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+            if (!itemOcc.containsKey(price.toString())) {
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+                int priceOcc = getPriceOccurrences(price, prices);
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+                itemOcc.put(price.toString(), priceOcc);
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+            }
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+        }
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+        return itemOcc;
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+    }
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+
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+    public int getPriceOccurrences(Double targetPrice, ArrayList<Double> prices) {
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+        int priceCount = 0;
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+        for (Double price : prices) {
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+            if (price == targetPrice) {
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+                priceCount++;
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+            }
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+        }
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+        return priceCount;
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+    }
30 169
 
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 }

+ 3
- 1
src/main/java/io/zipcoder/Main.java View File

@@ -13,7 +13,9 @@ public class Main {
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     public static void main(String[] args) throws Exception{
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         String output = (new Main()).readRawDataToString();
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-        System.out.println(output);
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         // TODO: parse the data in output into items, and display to console.
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+        ItemParser itemParser = new ItemParser(output);
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+        String finalString = itemParser.getFormattedString();
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+        System.out.println(finalString);
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     }
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 }

+ 6
- 2
src/test/java/io/zipcoder/ItemParserTest.java View File

@@ -1,9 +1,11 @@
1 1
 package io.zipcoder;
2 2
 
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+import org.apache.commons.io.IOUtils;
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 import org.junit.Assert;
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 import org.junit.Before;
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 import org.junit.Test;
6 7
 
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+import java.io.IOException;
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 import java.util.ArrayList;
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 import static org.junit.Assert.*;
@@ -22,8 +24,10 @@ public class ItemParserTest {
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     private ItemParser itemParser;
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     @Before
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-    public void setUp(){
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-        itemParser = new ItemParser();
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+    public void setUp() throws Exception {
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+        ClassLoader classLoader = getClass().getClassLoader();
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+        String result = IOUtils.toString(classLoader.getResourceAsStream("RawData.txt"));
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+        itemParser = new ItemParser(result);
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     }
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     @Test