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[juplo-dialect] / src / main / java / de / juplo / thymeleaf / ImportVariablesAttrProcessor.java

diff --git a/src/main/java/de/juplo/thymeleaf/ImportVariablesAttrProcessor.java b/src/main/java/de/juplo/thymeleaf/ImportVariablesAttrProcessor.java
index e864ab1..e063a0c 100644 (file)
--- a/src/main/java/de/juplo/thymeleaf/ImportVariablesAttrProcessor.java
+++ b/src/main/java/de/juplo/thymeleaf/ImportVariablesAttrProcessor.java
@@ -15,16 +15,13 @@ import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-import org.thymeleaf.Arguments;
-import org.thymeleaf.Configuration;
-import org.thymeleaf.TemplateProcessingParameters;
 import org.thymeleaf.context.IContext;
-import org.thymeleaf.context.VariablesMap;
-import org.thymeleaf.dom.Element;
-import org.thymeleaf.dom.Node;
-import org.thymeleaf.processor.ProcessorResult;
-import org.thymeleaf.processor.attr.AbstractAttrProcessor;
-import org.thymeleaf.resourceresolver.IResourceResolver;
+import org.thymeleaf.exceptions.TemplateProcessingException;
+import org.thymeleaf.processor.element.AbstractAttributeModelProcessor;
+import org.thymeleaf.standard.expression.IStandardExpression;
+import org.thymeleaf.standard.expression.IStandardExpressionParser;
+import org.thymeleaf.standard.expression.StandardExpressions;
+import org.thymeleaf.templatemode.TemplateMode;
 import org.thymeleaf.templateresolver.ITemplateResolver;
 import org.thymeleaf.templateresolver.TemplateResolution;
 
@@ -35,7 +32,7 @@ import org.thymeleaf.templateresolver.TemplateResolution;
  * variables.
  * @author Kai Moritz
  */
-public class ImportVariablesAttrProcessor extends AbstractAttrProcessor
+public class ImportVariablesAttrProcessor extends AbstractAttributeModelProcessor
 {
   private static final Logger LOG =
       LoggerFactory.getLogger(ImportVariablesAttrProcessor.class);
@@ -51,9 +48,22 @@ public class ImportVariablesAttrProcessor extends AbstractAttrProcessor
   public static final int ATTR_PRECEDENCE = 200;
 
 
-  public ImportVariablesAttrProcessor()
+  public ImportVariablesAttrProcessor(
+      final String prefix,
+      final String attribute,
+      final String substitute
+      )
   {
-    super("variables");
+    super(
+        TemplateMode.HTML,
+        prefix,
+        null,
+        false,
+        attribute,
+        true,
+        ATTR_PRECEDENCE,
+        false
+        );
   }
 
 
@@ -65,7 +75,25 @@ public class ImportVariablesAttrProcessor extends AbstractAttrProcessor
       )
   {
     Configuration config = arguments.getConfiguration();
+
+    Configuration configuration = arguments.getConfiguration();
+
     String parameter = element.getAttributeValue(name);
+    try
+    {
+      IStandardExpressionParser parser =
+          StandardExpressions.getExpressionParser(configuration);
+      IStandardExpression expression =
+          parser.parseExpression(configuration, arguments, parameter);
+      parameter = (String)expression.execute(configuration, arguments);
+    }
+    catch (TemplateProcessingException e) { }
+
+    if (parameter != null && !parameter.trim().isEmpty())
+    {
+      LOG.info("ignoring empty parameter");
+      return ProcessorResult.OK;
+    }
 
     Iterator<Entry<String, Object>> it = null;