Use methods to receive holiday and country description from Resource …

jollyday-core/src/main/java/de/focus_shift/jollyday/core/CalendarHierarchy.java

@@ -1,11 +1,12 @@
 package de.focus_shift.jollyday.core;
 
-import de.focus_shift.jollyday.core.util.ResourceUtil;
-
 import java.util.HashMap;
 import java.util.Locale;
 import java.util.Map;
 
+import static de.focus_shift.jollyday.core.util.ResourceUtil.UNDEFINED;
+import static de.focus_shift.jollyday.core.util.ResourceUtil.getCountryDescription;
+
 /**
  * Bean class for describing the configuration hierarchy.
  */
@@ -45,21 +46,17 @@ public String getId() {
    * @return the description
    */
   public String getDescription() {
-    return getDescription(Locale.getDefault());
+    return receiveFallbackDescription(getCountryDescription(getPropertiesKey()));
   }
 
   /**
    * Returns the hierarchies description text from the resource bundle.
    *
-   * @param l Locale to return the description text for.
+   * @param locale Locale to return the description text for.
    * @return Description text
    */
-  public String getDescription(Locale l) {
-    String descr = ResourceUtil.getCountryDescription(l, getPropertiesKey());
-    if (ResourceUtil.UNDEFINED.equals(descr) && fallbackDescription != null) {
-      descr = fallbackDescription;
-    }
-    return descr;
+  public String getDescription(Locale locale) {
+    return receiveFallbackDescription(getCountryDescription(locale, getPropertiesKey()));
   }
 
   /**
@@ -81,7 +78,7 @@ private String getPropertiesKey() {
    * Compares Hierarchies by id.
    */
   @Override
-  public boolean equals(Object obj) {
+  public boolean equals(final Object obj) {
     if (obj instanceof CalendarHierarchy) {
       return ((CalendarHierarchy) obj).getId().equals(this.getId());
     }
@@ -118,8 +115,14 @@ public Map<String, CalendarHierarchy> getChildren() {
   /**
    * @param description the fallback description
    */
-  public void setFallbackDescription(String description) {
+  public void setFallbackDescription(final String description) {
     this.fallbackDescription = description;
   }
 
+  private String receiveFallbackDescription(final String description) {
+    if (UNDEFINED.equals(description) && fallbackDescription != null) {
+      return fallbackDescription;
+    }
+    return description;
+  }
 }

jollyday-core/src/main/java/de/focus_shift/jollyday/core/Holiday.java

@@ -1,12 +1,12 @@
 package de.focus_shift.jollyday.core;
 
-import de.focus_shift.jollyday.core.util.ResourceUtil;
-
 import java.time.LocalDate;
 import java.util.Locale;
 import java.util.Objects;
 import java.util.Optional;
 
+import static de.focus_shift.jollyday.core.util.ResourceUtil.getHolidayDescription;
+
 /**
  * Represents the holiday and contains the actual date and an localized
  * description.
@@ -118,7 +118,7 @@ public String getPropertiesKey() {
    * @return Description for this holiday
    */
   public String getDescription() {
-    return ResourceUtil.getHolidayDescription(Locale.getDefault(), getPropertiesKey());
+    return getHolidayDescription(getPropertiesKey());
   }
 
   /**
@@ -128,7 +128,7 @@ public String getDescription() {
    * @return Description for this holiday
    */
   public String getDescription(Locale locale) {
-    return ResourceUtil.getHolidayDescription(locale, getPropertiesKey());
+    return getHolidayDescription(locale, getPropertiesKey());
   }
 
   @Override

jollyday-core/src/main/java/de/focus_shift/jollyday/core/util/ResourceUtil.java

@@ -8,9 +8,6 @@
 
 import static java.util.ResourceBundle.getBundle;
 
-/**
- * ResourceUtil class.
- */
 public class ResourceUtil {
 
   private ResourceUtil() {
@@ -21,31 +18,33 @@ private ResourceUtil() {
    * Property prefix for country descriptions.
    */
   private static final String COUNTRY_PROPERTY_PREFIX = "country.description";
-  /**
-   * Property prefix for holiday descriptions.
-   */
-  private static final String HOLIDAY_PROPERTY_PREFIX = "holiday.description";
   /**
    * The prefix of the country description file.
    */
   private static final String COUNTRY_DESCRIPTIONS_FILE_PREFIX = "descriptions.country_descriptions";
   /**
-   * The prefix of the holiday descriptions file.
+   * Cache for the country descriptions resource bundles.
    */
-  private static final String HOLIDAY_DESCRIPTIONS_FILE_PREFIX = "descriptions.holiday_descriptions";
+  private static final Map<Locale, ResourceBundle> COUNTRY_DESCRIPTIONS_CACHE = new ConcurrentHashMap<>();
+
   /**
-   * Unknown constant will be returned when there is no description
-   * configured.
+   * Property prefix for holiday descriptions.
    */
-  public static final String UNDEFINED = "undefined";
+  private static final String HOLIDAY_PROPERTY_PREFIX = "holiday.description";
+  /**
+   * The prefix of the holiday descriptions file.
+   */
+  private static final String HOLIDAY_DESCRIPTIONS_FILE_PREFIX = "descriptions.holiday_descriptions";
   /**
    * Cache for the holiday descriptions resource bundles.
    */
   private static final Map<Locale, ResourceBundle> HOLIDAY_DESCRIPTION_CACHE = new ConcurrentHashMap<>();
+
   /**
-   * Cache for the country descriptions resource bundles.
+   * Unknown constant will be returned when there is no description
+   * configured.
    */
-  private static final Map<Locale, ResourceBundle> COUNTRY_DESCRIPTIONS_CACHE = new ConcurrentHashMap<>();
+  public static final String UNDEFINED = "undefined";
 
   /**
    * The description read with the default locale.
@@ -91,7 +90,7 @@ public static String getCountryDescription(final Locale locale, final String key
     if (key != null) {
       return getDescription(COUNTRY_PROPERTY_PREFIX + "." + key.toLowerCase(), getCountryDescriptions(locale));
     }
-    return ResourceUtil.UNDEFINED;
+    return UNDEFINED;
   }
 
   /**