Remove dependency to jollyday-jackson from pojo module no longer need…

…ed since pojo-generator reads xml files.

add unittest for customization of java configuration via code

jollyday-pojo/pom.xml

@@ -28,14 +28,6 @@
       <artifactId>threeten-extra</artifactId>
     </dependency>
 
-
-    <dependency>
-      <groupId>de.focus-shift</groupId>
-      <artifactId>jollyday-jackson</artifactId>
-      <version>${project.version}</version>
-      <scope>test</scope>
-    </dependency>
-
     <!-- Logging -->
     <dependency>
       <groupId>ch.qos.logback</groupId>

jollyday-pojo/src/test/java/de/focus_shift/jollyday/pojo/test/JavaConfigurationTest.java

@@ -0,0 +1,40 @@
+package de.focus_shift.jollyday.pojo.test;
+
+import java.time.LocalDate;
+import java.time.MonthDay;
+
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+import de.focus_shift.jollyday.core.HolidayManager;
+import de.focus_shift.jollyday.core.HolidayType;
+import de.focus_shift.jollyday.core.ManagerParameter;
+import de.focus_shift.jollyday.core.ManagerParameters;
+import de.focus_shift.jollyday.core.spi.Configuration;
+import de.focus_shift.jollyday.core.spi.YearCycle;
+import de.focus_shift.jollyday.pojo.JavaConfigurationService;
+import de.focus_shift.jollyday.pojo.JavaFixed;
+
+class JavaConfigurationTest {
+
+  @Test
+  void enhanceJavaConfigurationService() {
+
+    JavaConfigurationService javaConfigurationService = new JavaConfigurationService();
+    ManagerParameter parameter = ManagerParameters.create("de");
+
+    HolidayManager holidayManager = HolidayManager.getInstance(parameter);
+    Assertions.assertFalse(holidayManager.isHoliday(LocalDate.of(2022, 03, 22)), "Precondition 22.3 should be no holiday");
+
+    // add new holiday for 22.3 dynamically via code/api
+    Configuration configuration = javaConfigurationService.getConfiguration(parameter);
+    JavaFixed stgandulfholiday = new JavaFixed("st.gandulf's day", HolidayType.UNOFFICIAL_HOLIDAY, null, null, YearCycle.EVERY_YEAR, null, MonthDay.of(3, 22));
+    configuration.holidays().fixed().add(stgandulfholiday);
+    HolidayManager.clearManagerCache(); // we have to clear the manager cache because otherwise the holidaymanager from above with old configuration would be reused.
+
+    holidayManager = HolidayManager.getInstance(parameter);
+    Assertions.assertTrue(holidayManager.isHoliday(LocalDate.of(2022, 03, 22), HolidayType.UNOFFICIAL_HOLIDAY), "Ensure newly added holiday is recognized");
+
+  }
+}
+