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@@ -1,7 +1,12 @@
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package io.zipcoder;
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2
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+import java.lang.reflect.Array;
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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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5
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10
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6
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11
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public class ItemParser {
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7
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12
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@@ -13,11 +18,18 @@ public class ItemParser {
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}
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19
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public Item parseStringIntoItem(String rawItem) throws ItemParseException{
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16
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- return null;
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+
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+ ArrayList<String> values = getValues(rawItem);
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+
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+ String name = values.get(0);
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+ Double price = Double.valueOf(values.get(1));
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+ String type = values.get(2);
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+ String expiration = values.get(3);
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+ return new Item(name, price, type, expiration);
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}
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public ArrayList<String> findKeyValuePairsInRawItemData(String rawItem){
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20
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- String stringPattern = "[;|^]";
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+ String stringPattern = "[^a-zA-Z0-9\\:\\.\\/]";
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ArrayList<String> response = splitStringWithRegexPattern(stringPattern , rawItem);
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return response;
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}
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@@ -26,6 +38,116 @@ public class ItemParser {
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return new ArrayList<String>(Arrays.asList(inputString.split(stringPattern)));
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}
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40
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+ public String getValue(String input) throws ItemParseException{
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+ ArrayList<String> kv = splitStringWithRegexPattern(":", input);
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+ if(kv.size() < 2){
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+ throw new ItemParseException();
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+ } else if (kv.size()==2){
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+ return kv.get(1);
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+ }
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+ return null;
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+ }
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+
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+ public ArrayList<String> getValues(String rawItem) throws ItemParseException{
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+ ArrayList <String> KVPairs = findKeyValuePairsInRawItemData(rawItem);
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+ ArrayList<String> values = new ArrayList<String>();
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+ for(String pair: KVPairs){
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+ String value = getValue(toLowerCase(pair));
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+ if(value.equals("")){
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+ throw new ItemParseException();
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+ } else{
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+ values.add(value);
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+ }
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+ }
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+ return values;
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+ }
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+
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29
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65
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+ public String toLowerCase(String test){
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67
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+ //ArrayList<String> characters = new ArrayList<String>();
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+
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+ String[] lower = {"a","b","c","d","e","f","g","h","i","j","k","l","m","n","o","p","q","r","s","t","u","v","w","x","y","z"};
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+ String[] upper = {"A","B","C","D","E","F","G","H","I","J","K","L","M","N","O","P","Q","R","S","T","U","V","W","X","Y","Z"};
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+
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+
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+ Pattern pattern = Pattern.compile(".");
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+ Matcher matcher = pattern.matcher(test);
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+ StringBuilder lowercase = new StringBuilder();
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+
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+ while(matcher.find()){
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+ String character = matcher.group();
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+ if(isUpper(character)){
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+ int i = indexOf(upper, character);
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+ lowercase.append(lower[i]);
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+ } else {
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+ lowercase.append(character);
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+ }
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+ }
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+
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+ return lowercase.toString();
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+ }
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+
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+ public boolean isUpper(String c){
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91
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+ Pattern pattern = Pattern.compile("[A-Z]");
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+ Matcher matcher = pattern.matcher(c);
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+ return matcher.find();
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+ }
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+
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96
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+ public int indexOf(String[] array, String c){
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97
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+ for(int i = 0; i <array.length; i++){
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+ if (array[i].equals(c)){
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+ return i;
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+ }
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+ }
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+ return -1;
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+ }
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104
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+
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105
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+ public int findNumberOfErrors(String input) {
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106
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+ ArrayList<String> badFormat = new ArrayList<String>();
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107
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+ ArrayList<String> rawData = parseRawDataIntoStringArray(input);
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+
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+
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+ for (String data : rawData) {
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111
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+ try {
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+ Item item = parseStringIntoItem(data);
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+ }catch (ItemParseException e) {
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114
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+ badFormat.add(data);
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+ }
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116
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+ }
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+
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118
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+ return badFormat.size();
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+
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+ }
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121
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+
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122
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+ public ArrayList<Item> findItems(String input){
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123
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+ ArrayList<Item> items = new ArrayList<Item>();
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124
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+ ArrayList<String> rawData = parseRawDataIntoStringArray(input);
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125
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+ for(String data : rawData) {
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+ try {
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127
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+ Item item = parseStringIntoItem(data);
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128
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+ items.add(item);
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129
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+ }catch (ItemParseException e) {
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130
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+ e.printStackTrace();
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131
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+ }
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132
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+ }
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133
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+ return items;
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+
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+ }
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136
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+
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137
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+ public Map<String, Integer> getUniqueNames(ArrayList<Item> items) {
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138
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+ Map<String, Integer> uniqueNames = new HashMap<String, Integer>();
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139
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+
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140
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+ for (Item item : items) {
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141
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+ if (!uniqueNames.containsKey(item.getName())) {
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142
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+ uniqueNames.put(item.getName(), 1);
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143
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+ } else {
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144
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+ int amount = uniqueNames.get(item.getName());
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145
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+ amount++;
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146
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+ uniqueNames.put(item.getName(), amount);
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147
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+ }
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148
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+ }
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149
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+
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150
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+ return uniqueNames;
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151
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+ }
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30
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152
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31
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153
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}
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