WIP

[maven-thymeleaf-skin] / 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 63963fa..fe2725e 100644 (file)
--- a/src/main/java/de/juplo/thymeleaf/ImportVariablesAttrProcessor.java
+++ b/src/main/java/de/juplo/thymeleaf/ImportVariablesAttrProcessor.java
@@ -12,24 +12,9 @@ import java.time.format.DateTimeFormatter;
 import java.util.LinkedHashMap;
 import java.util.LinkedList;
 import java.util.List;
-import java.util.Locale;
 import java.util.Map;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.beans.factory.annotation.Configurable;
-import org.springframework.context.MessageSource;
-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.processor.ProcessorResult;
-import org.thymeleaf.processor.attr.AbstractAttrProcessor;
-import org.thymeleaf.resourceresolver.IResourceResolver;
-import org.thymeleaf.templateresolver.ITemplateResolver;
-import org.thymeleaf.templateresolver.TemplateResolution;
 
 
 
@@ -37,16 +22,8 @@ import org.thymeleaf.templateresolver.TemplateResolution;
  *
  * @author kai
  */
-@Configurable
-public class ImportVariablesAttrProcessor extends AbstractAttrProcessor
+public class ImportVariablesAttrProcessor
 {
-  public static final int ATTR_PRECEDENCE = 200;
-  public static final String ATTR_VAR_NAME =
-      JuploDialect.DIALECT_PREFIX + ":var";
-  public static final String ATTR_LOCALE_NAME =
-      JuploDialect.DIALECT_PREFIX + ":locale";
-  public static final String DEFAULT_VAR_NAME = "crumb";
-
   private static final Logger LOG =
       LoggerFactory.getLogger(ImportVariablesAttrProcessor.class);
   private static final DateTimeFormatter FORMATTER =
@@ -55,65 +32,8 @@ public class ImportVariablesAttrProcessor extends AbstractAttrProcessor
   private static final JsonFactory FACTORY = new JsonFactory();
 
 
-  @Autowired
-  MessageSource messageSource;
-  @Autowired
-  Locale defaultLocale;
-
-
-  public ImportVariablesAttrProcessor()
+  public Object processAttribute(InputStream is)
   {
-    super("variables");
-  }
-
-
-  @Override
-  public final ProcessorResult processAttribute(
-      final Arguments arguments,
-      final Element element,
-      final String name
-      )
-  {
-    Configuration config = arguments.getConfiguration();
-    String templateName = element.getAttributeValue(name);
-
-    TemplateProcessingParameters params =
-        new TemplateProcessingParameters(
-            config,
-            templateName,
-            new IContext() // << We will not execute the template, hence we need no context
-            {
-              @Override
-              public VariablesMap<String, Object> getVariables()
-              {
-                return new VariablesMap<>();
-              }
-
-              @Override
-              public Locale getLocale()
-              {
-                return Locale.getDefault();
-              }
-
-              @Override
-              public void addContextExecutionInfo(String templateName)
-              {
-              }
-            });
-
-    for (ITemplateResolver t_resolver : config.getTemplateResolvers())
-    {
-      TemplateResolution resolution = t_resolver.resolveTemplate(params);
-      if (resolution == null)
-        continue;
-      if (!"JSON".equals(resolution.getTemplateMode()))
-        continue;
-      IResourceResolver r_resolver = resolution.getResourceResolver();
-      InputStream is =
-          r_resolver.getResourceAsStream(params, resolution.getResourceName());
-      if (is == null)
-        continue;
-
       try
       {
         /** Read the JSON and create the variables */
@@ -123,71 +43,22 @@ public class ImportVariablesAttrProcessor extends AbstractAttrProcessor
 
         if (token == null)
         {
-          LOG.warn("found empty content for {}", templateName);
-          break;
+          LOG.warn("empty input-stream");
+          return null;
         }
 
-        if (!JsonToken.START_OBJECT.equals(token))
-        {
-          LOG.error("{} must contain an object as root-element", templateName);
-          throw new RuntimeException(
-              "The root-element of " +
-              templateName +
-              " has to be an object, that contains the variable-definitions!"
-              );
-        }
-
-        token = parser.nextToken();
-        if (token == null)
-          fail(parser, "unexpected EOF");
-        if (JsonToken.END_OBJECT.equals(token))
-        {
-          LOG.warn("found empty object for {}", templateName);
-          break;
-        }
-
-        do
-        {
-          if (!JsonToken.FIELD_NAME.equals(token))
-            fail(parser, "expected a field-name");
-
-          String var_name = parser.getText();
-          parser.nextToken();
-          Object var_value = convert(parser);
-
-          LOG.debug(
-              "defining variable {} of type {}",
-              var_name,
-              var_value == null ? "NULL" : var_value.getClass().getSimpleName()
-              );
-          element.setNodeLocalVariable(var_name, var_value);
-
-          token = parser.nextToken();
-          if (token == null)
-            fail(parser, "unexpected EOF");
-        }
-        while (!JsonToken.END_OBJECT.equals(token));
+        Object result = convert(parser);
 
         if (parser.nextToken() != null)
           fail(parser, "unexpected data after parsed variables");
+
+        return result;
       }
       catch (IOException e)
       {
-        LOG.error("cannot parse {} as JSON: {}", templateName, e.getMessage());
+        LOG.error("cannot parse input-stream as JSON: {}", e.getMessage());
         throw new RuntimeException(e);
       }
-    }
-
-    element.removeAttribute(name);
-
-    return ProcessorResult.OK;
-  }
-
-
-  @Override
-  public int getPrecedence()
-  {
-    return ATTR_PRECEDENCE;
   }