Fixes #726

Allows you to override the time zone used to display date and time in Freemarker templates.
jbake-org · Oct 18, 2021 · 95e2776 · 95e2776
1 parent cec1009
commit 95e2776
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Showing 4 changed files with 25 additions and 0 deletions.
diff --git a/jbake-core/src/main/java/org/jbake/app/configuration/DefaultJBakeConfiguration.java b/jbake-core/src/main/java/org/jbake/app/configuration/DefaultJBakeConfiguration.java
@@ -702,4 +702,13 @@ public String getAbbreviatedGitHash() {
     public String getJvmLocale() {
         return getAsString(JVM_LOCALE.getKey());
     }
+
+    @Override
+    public TimeZone getFreemarkerTimeZone() {
+        String timezone = getAsString(FREEMARKER_TIMEZONE.getKey());
+        if (StringUtils.isNotEmpty(timezone)) {
+            return TimeZone.getTimeZone(timezone);
+        }
+        return null;
+    }
 }
diff --git a/jbake-core/src/main/java/org/jbake/app/configuration/JBakeConfiguration.java b/jbake-core/src/main/java/org/jbake/app/configuration/JBakeConfiguration.java
@@ -5,6 +5,7 @@
 import java.util.List;
 import java.util.Map;
 import java.util.Properties;
+import java.util.TimeZone;
 
 /**
  * JBakeConfiguration gives you access to the project configuration. Typically located in a file called jbake.properties.
@@ -367,6 +368,12 @@ public interface JBakeConfiguration {
      */
     String getJvmLocale();
 
+    /**
+     *
+     * @return TimeZone to use within Freemarker
+     */
+    TimeZone getFreemarkerTimeZone();
+
     Map<String, Object> asHashMap();
 
     List<Property> getJbakeProperties();

diff --git a/jbake-core/src/main/java/org/jbake/app/configuration/PropertyList.java b/jbake-core/src/main/java/org/jbake/app/configuration/PropertyList.java
@@ -110,6 +110,11 @@ public abstract class PropertyList {
         "filename to use for feed"
     );
 
+    public static final Property FREEMARKER_TIMEZONE = new Property(
+        "freemarker.timezone",
+        "TimeZone to use within Freemarker"
+    );
+
     public static final Property GIT_HASH = new Property(
         "git.hash",
         "abbreviated git hash"

diff --git a/jbake-core/src/main/java/org/jbake/template/FreemarkerTemplateEngine.java b/jbake-core/src/main/java/org/jbake/template/FreemarkerTemplateEngine.java
@@ -51,6 +51,10 @@ private void createTemplateConfiguration() {
         templateCfg = new Configuration(Configuration.DEFAULT_INCOMPATIBLE_IMPROVEMENTS);
         templateCfg.setDefaultEncoding(config.getRenderEncoding());
         templateCfg.setOutputEncoding(config.getOutputEncoding());
+        if (config.getFreemarkerTimeZone() != null) {
+            templateCfg.setTimeZone(config.getFreemarkerTimeZone());
+            templateCfg.setSQLDateAndTimeTimeZone(config.getFreemarkerTimeZone());
+        }
         try {
             templateCfg.setDirectoryForTemplateLoading(config.getTemplateFolder());
         } catch (IOException e) {