Merge branch 'main' into test-median

.github/workflows/maven.yml

@@ -0,0 +1,24 @@
+name: Java CI with Maven
+
+on:
+  pull_request:
+    branches:
+      - main
+  workflow_dispatch:
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: Set up JDK 17
+      uses: actions/setup-java@v3
+      with:
+        java-version: '17'
+        distribution: 'temurin'
+        cache: maven
+    - name: Build with Maven
+      run: mvn -B package --file pom.xml
+

.gitignore

@@ -11,6 +11,9 @@ target/
 *.iws
 *.iml
 *.ipr
+.idea/sonarlint
+target
+.mvn
 
 ### Eclipse ###
 .apt_generated
@@ -35,4 +38,4 @@ build/
 .vscode/
 
 ### Mac OS ###
-.DS_Store
+.DS_Store

pom.xml

@@ -21,7 +21,5 @@
             <version>7.9.0</version>
             <scope>test</scope>
         </dependency>
-
     </dependencies>
-
-</project>
+</project>

src/main/java/time/MonthDaysCalculator.java

@@ -0,0 +1,39 @@
+package time;
+
+public class MonthDaysCalculator {
+
+    private MonthDaysCalculator() {
+    }
+
+    public static String[] getMonthsByDays(int days) {
+        return isValidDay(days)
+               ? getMonthNames(days)
+               : new String[0];
+    }
+
+    private static String[] getMonthNames(int days) {
+        if (days == 28 || days == 29) {
+            return new String[]{MonthType.FEBRUARY.getName()};
+        }
+        int index = 0;
+        String[] monthNames = new String[getSize(days)];
+        for (MonthType month : MonthType.values()) {
+            if (month.getDays() == days) {
+                monthNames[index++] = (month.getName());
+            }
+        }
+        return monthNames;
+    }
+
+    private static int getSize(int days) {
+        return switch (days) {
+            case 31 -> 7;
+            case 30 -> 4;
+            default -> 1;
+        };
+    }
+
+    public static boolean isValidDay(int days) {
+        return !(days < 1 || days > 31);
+    }
+}

src/main/java/time/MonthType.java

@@ -0,0 +1,45 @@
+package time;
+
+import java.time.LocalDate;
+
+public enum MonthType {
+    JANUARY("January"),
+    FEBRUARY("February"),
+    MARCH("March"),
+    APRIL("April"),
+    MAY("May"),
+    JUNE("June"),
+    JULY("July"),
+    AUGUST("August"),
+    SEPTEMBER("September"),
+    OCTOBER("October"),
+    NOVEMBER("November"),
+    DECEMBER("December");
+
+    private final String name;
+
+    MonthType(String name) {
+        this.name = name;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public int getDays() {
+        return getDaysBy();
+    }
+
+    public int getDaysBy() {
+        return switch (this) {
+            case FEBRUARY -> (isLeap() ? 29 : 28);
+            case APRIL, JUNE, SEPTEMBER, NOVEMBER -> 30;
+            case JANUARY, MARCH, MAY, JULY, AUGUST, OCTOBER, DECEMBER -> 31;
+        };
+    }
+
+    private static boolean isLeap() {
+        int year = LocalDate.now().getYear();
+        return (year % 4 == 0 && year % 100 != 0) || (year % 400 == 0);
+    }
+}

src/test/java/MedianTest.java

@@ -13,7 +13,6 @@ public void beforeClass() {
 
     @Test
     public void testMedianHN() {
-
     }
 
     @Test(dataProvider = "validNumberArrayProvider",

src/test/java/time/MonthDaysCalculatorTest.java

@@ -0,0 +1,11 @@
+package time;
+
+import org.testng.annotations.Test;
+
+public class MonthDaysCalculatorTest {
+
+    @Test(dataProvider = "validDays", dataProviderClass = MonthProvider.class)
+    public void testName(int days, String[] expected) {
+
+    }
+}

src/test/java/time/MonthProvider.java

@@ -0,0 +1,10 @@
+package time;
+
+import org.testng.annotations.DataProvider;
+
+public class MonthProvider {
+    @DataProvider(name = "validDays")
+    public Object[][] daysProvider() {
+        return new Object[][]{};
+    }
+}