ghost1497 6 年前
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8862ffb559

+ 146
- 7
src/main/java/io/zipcoder/ItemParser.java 查看文件

@@ -2,30 +2,169 @@ package io.zipcoder;
2 2
 
3 3
 import java.util.ArrayList;
4 4
 import java.util.Arrays;
5
+import java.util.LinkedHashMap;
6
+import java.util.Map;
7
+import java.util.regex.Matcher;
8
+import java.util.regex.Pattern;
5 9
 
6 10
 public class ItemParser {
11
+    private ArrayList<String> values;
12
+    private ArrayList<Item> itemList;
13
+    private int exceptionCount;
7 14
 
15
+    ItemParser(String rawList) {
16
+        this.values = parseRawDataIntoStringArray(rawList);
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+        this.itemList = new ArrayList<Item>();
18
+        buildItemList();
19
+    }
8 20
 
9
-    public ArrayList<String> parseRawDataIntoStringArray(String rawData){
21
+    public ArrayList<String> parseRawDataIntoStringArray(String rawData) {
10 22
         String stringPattern = "##";
11
-        ArrayList<String> response = splitStringWithRegexPattern(stringPattern , rawData);
23
+        ArrayList<String> response = splitStringWithRegexPattern(stringPattern, rawData);
12 24
         return response;
13 25
     }
14 26
 
15
-    public Item parseStringIntoItem(String rawItem) throws ItemParseException{
16
-        return null;
27
+    public Item parseStringIntoItem(String rawItem) throws ItemParseException {
28
+        LinkedHashMap<String, String> item = getKeyValueEntries(rawItem);
29
+        if (item.get(0) == null || item.get(1) == null) {
30
+            throw new ItemParseException();
31
+        }
32
+        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;
34
+    }
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+
36
+    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");
40
+    }
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+
42
+    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)));
48
+        }
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+        return itemDescription;
50
+    }
51
+
52
+    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) {
56
+                loweredString.append(s.charAt(i) + 32);
57
+            } else {
58
+                loweredString.append(s.charAt(i));
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+            }
60
+        }
61
+        return loweredString.toString();
17 62
     }
18 63
 
19
-    public ArrayList<String> findKeyValuePairsInRawItemData(String rawItem){
64
+    public ArrayList<String> findKeyValuePairsInRawItemData(String rawItem) {
20 65
         String stringPattern = "[;|^]";
21
-        ArrayList<String> response = splitStringWithRegexPattern(stringPattern , rawItem);
66
+        ArrayList<String> response = splitStringWithRegexPattern(stringPattern, rawItem);
67
+        return response;
68
+    }
69
+
70
+    public ArrayList<String> splitKeysAndValue(String rawItem) {
71
+        String keyValueSeparators = "[:|@|*|%]";
72
+        ArrayList<String> response = splitStringWithRegexPattern(keyValueSeparators, rawItem);
22 73
         return response;
23 74
     }
24 75
 
25
-    private ArrayList<String> splitStringWithRegexPattern(String stringPattern, String inputString){
76
+    private ArrayList<String> splitStringWithRegexPattern(String stringPattern, String inputString) {
26 77
         return new ArrayList<String>(Arrays.asList(inputString.split(stringPattern)));
27 78
     }
28 79
 
80
+    public void buildItemList() {
81
+        for (String itemDetails : values) {
82
+            try {
83
+                this.itemList.add(parseStringIntoItem(itemDetails));
84
+            } catch (ItemParseException e) {
85
+                incrementCounter();
86
+            }
87
+        }
88
+    }
29 89
 
90
+    private void incrementCounter() {
91
+        this.exceptionCount++;
92
+    }
93
+
94
+    public String getFormattedString() {
95
+        ArrayList<LinkedHashMap<String, Integer>> itemSeenInfo = new ArrayList<LinkedHashMap<String, Integer>>();
96
+        for (Item item : itemList) {
97
+            if (containsCheck(itemSeenInfo, item.getName()) == false) {
98
+                itemSeenInfo.add(getOccurrences(item.getName(), itemList));
99
+            }
100
+        }
101
+        StringBuilder output = new StringBuilder();
102
+
103
+        for (LinkedHashMap<String, Integer> item : itemSeenInfo) {
104
+            for (Map.Entry entry : item.entrySet()) {
105
+                if (checkIfName(entry.getKey())) {
106
+                    output.append(String.format("Name: %-10s \t\t\t " +
107
+                            "Seen: %5d\n================ \t\t\t " +
108
+                            "===========\n", entry.getKey(), entry.getValue()));
109
+                } else {
110
+                    output.append(String.format("Price: %-5s \t\t\t " +
111
+                            "Seen: %5d\n---------------- \t\t\t " +
112
+                            "-----------\n", entry.getKey(), entry.getValue()));
113
+                }
114
+            }
115
+        }
116
+        output.append("Errors          \t\t\t Seen: " + exceptionCount);
117
+        return output.toString();
118
+    }
119
+
120
+    private boolean checkIfName(Object key) {
121
+        Pattern numbers = Pattern.compile("\\d");
122
+        Matcher matcher = numbers.matcher(key.toString());
123
+        if (matcher.find() == true) {
124
+            return false;
125
+        }
126
+        return true;
127
+    }
128
+
129
+    private boolean containsCheck(ArrayList<LinkedHashMap<String, Integer>> itemSeenInfo, String targetItem) {
130
+        for (LinkedHashMap<String, Integer> item : itemSeenInfo) {
131
+            for (Map.Entry entry : item.entrySet()) {
132
+                if (entry.getKey().equals(targetItem)) {
133
+                    return true;
134
+                }
135
+            }
136
+        }
137
+        return false;
138
+    }
139
+
140
+    public LinkedHashMap<String, Integer> getOccurrences(String name, ArrayList<Item> items) {
141
+        LinkedHashMap<String, Integer> itemOcc = new LinkedHashMap<String, Integer>();
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+        ArrayList<Double> prices = new ArrayList<Double>();
143
+        int nameCount = 0;
144
+        for (Item item : items) {
145
+            if (item.getName().equals(name)) {
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+                nameCount++;
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+                prices.add(item.getPrice());
148
+            }
149
+        }
150
+        itemOcc.put(name, nameCount);
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+        for (Double price : prices) {
152
+            if (!itemOcc.containsKey(price.toString())) {
153
+                int priceOcc = getPriceOccurrences(price, prices);
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+                itemOcc.put(price.toString(), priceOcc);
155
+            }
156
+        }
157
+        return itemOcc;
158
+    }
159
+
160
+    public int getPriceOccurrences(Double targetPrice, ArrayList<Double> prices) {
161
+        int priceCount = 0;
162
+        for (Double price : prices) {
163
+            if (price == targetPrice) {
164
+                priceCount++;
165
+            }
166
+        }
167
+        return priceCount;
168
+    }
30 169
 
31 170
 }

+ 3
- 1
src/main/java/io/zipcoder/Main.java 查看文件

@@ -13,7 +13,9 @@ public class Main {
13 13
 
14 14
     public static void main(String[] args) throws Exception{
15 15
         String output = (new Main()).readRawDataToString();
16
-        System.out.println(output);
17 16
         // TODO: parse the data in output into items, and display to console.
17
+        ItemParser itemParser = new ItemParser(output);
18
+        String finalString = itemParser.getFormattedString();
19
+        System.out.println(finalString);
18 20
     }
19 21
 }

+ 6
- 2
src/test/java/io/zipcoder/ItemParserTest.java 查看文件

@@ -1,9 +1,11 @@
1 1
 package io.zipcoder;
2 2
 
3
+import org.apache.commons.io.IOUtils;
3 4
 import org.junit.Assert;
4 5
 import org.junit.Before;
5 6
 import org.junit.Test;
6 7
 
8
+import java.io.IOException;
7 9
 import java.util.ArrayList;
8 10
 
9 11
 import static org.junit.Assert.*;
@@ -22,8 +24,10 @@ public class ItemParserTest {
22 24
     private ItemParser itemParser;
23 25
 
24 26
     @Before
25
-    public void setUp(){
26
-        itemParser = new ItemParser();
27
+    public void setUp() throws Exception {
28
+        ClassLoader classLoader = getClass().getClassLoader();
29
+        String result = IOUtils.toString(classLoader.getResourceAsStream("RawData.txt"));
30
+        itemParser = new ItemParser(result);
27 31
     }
28 32
 
29 33
     @Test