Added some functionality

Author: Gentleman1983

build.gradle

@@ -4,7 +4,7 @@ plugins {
 
 // project meta data
 group 'de.havox_design.aoc2015'
-version '0.4.1'
+version '0.4.2'
 
 // Switch to gradle "all" distribution.
 wrapper {

day05/build.gradle

@@ -1,2 +1,3 @@
 dependencies {
+    implementation 'org.apache.commons:commons-lang3:3.13.0'
 }

day05/src/main/java/de/havox_design/aoc2015/day05/NiceStrings.java

@@ -1,2 +1,59 @@
-package de.havox_design.aoc2015.day05;public class NiceStrings {
+package de.havox_design.aoc2015.day05;
+
+import de.havox_design.aoc2015.utils.DataReader;
+
+import java.util.List;
+
+public class NiceStrings {
+    private final List<String> input;
+
+    public NiceStrings(String fileName) {
+        input = readData(fileName);
+    }
+
+    public static int solvePart1(String fileName) {
+        NiceStrings instance = new NiceStrings(fileName);
+        return instance.solvePart1();
+    }
+
+    public static int solvePart2(String fileName) {
+        NiceStrings instance = new NiceStrings(fileName);
+        return instance.solvePart2();
+    }
+
+    public int solvePart1() {
+        int numberNiceStrings = 0;
+
+        for (String string : input) {
+            if (
+                    countVowels(string) >= 3 &&
+                            containsDoubleLetter(string) &&
+                            !containsForbiddenStrings(string)
+            ) {
+                numberNiceStrings++;
+            }
+        }
+
+        return numberNiceStrings;
+    }
+
+    public int solvePart2() {
+        return 0;
+    }
+
+    private int countVowels(String string) {
+        return 0;
+    }
+
+    private boolean containsDoubleLetter(String string) {
+        return false;
+    }
+
+    private boolean containsForbiddenStrings(String string) {
+        return false;
+    }
+
+    private List<String> readData(String fileName) {
+        return DataReader.readData(fileName, MainClass.class);
+    }
 }

day05/src/test/java/de/havox_design/aoc2015/day05/Day05Test.java

@@ -1,6 +1,12 @@
 package de.havox_design.aoc2015.day05;
 
+import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.Test;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.Arguments;
+import org.junit.jupiter.params.provider.MethodSource;
+
+import java.util.stream.Stream;
 
 class Day05Test {
 
@@ -9,4 +15,21 @@ class Day05Test {
     void testMainClass() {
         MainClass.main(new String[0]);
     }
+
+    @ParameterizedTest
+    @MethodSource("getDataForPart1")
+    void testPart1(String fileName, int expectedNumberOfNiceStrings) {
+        Assertions.assertEquals(expectedNumberOfNiceStrings, NiceStrings.solvePart1(fileName));
+    }
+
+    private static Stream<Arguments> getDataForPart1() {
+        return Stream.of(
+                Arguments.of("part1sample1.txt", 1),
+                Arguments.of("part1sample2.txt", 1),
+                Arguments.of("part1sample3.txt", 0),
+                Arguments.of("part1sample4.txt", 0),
+                Arguments.of("part1sample5.txt", 0),
+                Arguments.of("part1sample6.txt", 2)
+        );
+    }
 }

day05/src/test/resources/part1sample1.txt

@@ -0,0 +1 @@
+ugknbfddgicrmopn

day05/src/test/resources/part1sample2.txt

@@ -0,0 +1 @@
+aaa

day05/src/test/resources/part1sample3.txt

@@ -0,0 +1 @@
+jchzalrnumimnmhp

day05/src/test/resources/part1sample4.txt

@@ -0,0 +1 @@
+haegwjzuvuyypxyu

day05/src/test/resources/part1sample5.txt

@@ -0,0 +1 @@
+dvszwmarrgswjxmb

day05/src/test/resources/part1sample6.txt

@@ -0,0 +1,5 @@
+ugknbfddgicrmopn
+aaa
+jchzalrnumimnmhp
+haegwjzuvuyypxyu
+dvszwmarrgswjxmb