Added reference to negotiated locale to models, used to format dates.

ccm-cms/src/main/java/org/librecms/pages/models/AbstractContentItemListItemModel.java

@@ -18,6 +18,8 @@
  */
 package org.librecms.pages.models;
 
+import java.util.Locale;
+
 /**
  * A simplified representation of a content item for use in a list of content
  * items.Base class for other more specific models.
@@ -26,6 +28,12 @@ package org.librecms.pages.models;
  */
 public abstract class AbstractContentItemListItemModel {
 
+    /**
+     * The locale negotiated with the user agent. Useful for example for
+     * formatting date. Only for internal use.
+     */
+    private Locale locale;
+
     private String uuid;
 
     private String displayName;
@@ -36,6 +44,14 @@ public abstract class AbstractContentItemListItemModel {
 
     private String description;
     
+    protected Locale getLocale() {
+        return locale;
+    }
+    
+    protected void setLocale(final Locale locale) {
+        this.locale = locale;
+    }
+
     public String getUuid() {
         return uuid;
     }

ccm-cms/src/main/java/org/librecms/pages/models/AbstractContentItemListItemModelBuilder.java

@@ -39,6 +39,8 @@ public abstract class AbstractContentItemListItemModelBuilder<T extends ContentI
     @SuppressWarnings("unchecked")
     public M buildListItemModel(final ContentItem contentItem) {
         final M model = buildModel();
+        model.setLocale(globalizationHelper.getNegotiatedLocale());
+        
         model.setDescription(
             globalizationHelper.getValueFromLocalizedString(
                 contentItem.getDescription()

ccm-cms/src/main/java/org/librecms/pages/models/EventListItemModel.java

@@ -21,6 +21,8 @@ package org.librecms.pages.models;
 import org.librecms.contenttypes.Event;
 
 import java.time.LocalDateTime;
+import java.time.ZoneId;
+import java.time.format.DateTimeFormatter;
 
 /**
  *
@@ -43,6 +45,13 @@ public class EventListItemModel extends AbstractContentItemListItemModel {
         return startDate;
     }
 
+    public String getStartDate(final String pattern) {
+        return DateTimeFormatter
+            .ofPattern(pattern)
+            .withZone(ZoneId.systemDefault())
+            .format(startDate);
+    }
+    
     public void setStartDate(final LocalDateTime startDate) {
         this.startDate = startDate;
     }
@@ -51,6 +60,13 @@ public class EventListItemModel extends AbstractContentItemListItemModel {
         return endDate;
     }
     
+    public String getEndDate(final String pattern) {
+        return DateTimeFormatter
+            .ofPattern(pattern)
+            .withZone(ZoneId.systemDefault())
+            .format(endDate);
+    }
+
     public void setEndDate(final LocalDateTime endDate) {
         this.endDate = endDate;
     }

ccm-cms/src/main/java/org/librecms/pages/models/ItemListModel.java

@@ -186,7 +186,8 @@ public class ItemListModel {
     public List<? extends AbstractContentItemListItemModel> getItems(
         final String listName
     ) {
-        return Collections.unmodifiableList(
+        final List<? extends AbstractContentItemListItemModel> items 
+            = Collections.unmodifiableList(
             buildList(
                 buildLimitToType(getLimitToTypeSetting(listName)),
                 collectCategories(
@@ -208,6 +209,8 @@ public class ItemListModel {
                 getOffset(listName, getPageSizeSetting(listName))
             )
         );
+        
+        return items;
     }
 
     private List<? extends AbstractContentItemListItemModel> buildList(

ccm-cms/src/main/java/org/librecms/pages/models/NewsListItemModel.java

@@ -36,6 +36,22 @@ public class NewsListItemModel extends AbstractContentItemListItemModel {
         return releaseDate;
     }
 
+    /**
+     * Returns the release date of the news represeted by this model formatted
+     * using the provided pattern. The pattern MUST be a valid pattern for
+     * {@link DateTimeFormatter#ofPattern(java.lang.String) }.
+     *
+     * @param pattern The pattern to use for formatting the release date.
+     * 
+     * @return The formatted release date.
+     */
+    public String getReleaseDate(final String pattern) {
+        return DateTimeFormatter
+            .ofPattern(pattern, getLocale())
+            .withZone(ZoneId.systemDefault())
+            .format(releaseDate);
+    }
+
     public String getReleaseDateAsString() {
         return DateTimeFormatter.ISO_DATE_TIME
             .withZone(ZoneId.systemDefault())

ccm-cms/src/main/java/org/librecms/pages/models/NewsListItemModelBuilder.java

@@ -18,6 +18,7 @@
  */
 package org.librecms.pages.models;
 
+import org.libreccm.l10n.GlobalizationHelper;
 import org.librecms.contenttypes.News;
 
 import java.time.LocalDateTime;