Deprecate @Style annotation and vue-gwt style imports

Author: adrienbaron

core/src/main/java/com/axellience/vuegwt/core/annotations/style/Style.java

@@ -7,10 +7,14 @@
 import static java.lang.annotation.RetentionPolicy.SOURCE;
 
 /**
- * Annotation placed on Vue Components
+ * Annotation placed on Style
+ * Will be removed in Vue GWT beta-6.
+ * Please check https://axellience.github.io/vue-gwt/gwt-integration/client-bundles-and-styles.html#styles
+ * to see how to use styles in your templates without this annotation.
  * @author Adrien Baron
  */
 @Target(TYPE)
 @Retention(SOURCE)
+@Deprecated
 public @interface Style
 {}

core/src/main/java/com/axellience/vuegwt/core/template/parser/TemplateParser.java

@@ -15,6 +15,7 @@
 import com.github.javaparser.ast.expr.NameExpr;
 import com.github.javaparser.ast.nodeTypes.NodeWithType;
 import com.github.javaparser.ast.type.Type;
+import com.google.gwt.core.ext.TreeLogger;
 import jsinterop.base.Any;
 import org.jsoup.nodes.Attribute;
 import org.jsoup.nodes.Document;
@@ -42,6 +43,7 @@
  */
 public class TemplateParser
 {
+    private final TreeLogger logger;
     private static Pattern VUE_ATTR_PATTERN = Pattern.compile("^(v-|:|@).*");
     private static Pattern VUE_MUSTACHE_PATTERN = Pattern.compile("\\{\\{.*?}}");
 
@@ -50,8 +52,9 @@ public class TemplateParser
 
     private String currentExpressionReturnType;
 
-    public TemplateParser()
+    public TemplateParser(TreeLogger logger)
     {
+        this.logger = logger;
     }
 
     /**
@@ -93,6 +96,10 @@ private void processImports(Document doc)
             {
                 result.addStyleImports(element.attr("name"), element.attr("style"));
                 context.addRootVariable(element.attr("style"), element.attr("name"));
+                logger.log(TreeLogger.WARN,
+                    "Style import in template is deprecated and will be removed in beta-6. Found usage in "
+                        + context.getTemplateName()
+                        + ". Please see https://axellience.github.io/vue-gwt/gwt-integration/client-bundles-and-styles.html#styles for information on how to use styles without this import.");
             }
             else if (element.hasAttr("class"))
             {

gwt2/src/main/java/com/axellience/vuegwt/gwt2/template/TemplateGwtGenerator.java

@@ -84,7 +84,7 @@ private void generateOnce(PrintWriter printWriter, TreeLogger logger,
         registerFieldsAndMethodsInContext(templateParserContext, componentJsType);
 
         TemplateParserResult templateParserResult =
-            new TemplateParser().parseHtmlTemplate(templateContent, templateParserContext);
+            new TemplateParser(logger).parseHtmlTemplate(templateContent, templateParserContext);
 
         createTemplateImpl(generatorContext,
             logger,

processors/src/main/java/com/axellience/vuegwt/processors/style/StyleProviderGenerator.java

@@ -4,8 +4,10 @@
 import com.squareup.javapoet.TypeName;
 
 import javax.annotation.processing.Filer;
+import javax.annotation.processing.Messager;
 import javax.annotation.processing.ProcessingEnvironment;
 import javax.lang.model.element.TypeElement;
+import javax.tools.Diagnostic.Kind;
 
 import static com.axellience.vuegwt.core.generation.GenerationNameUtil.STYLE_BUNDLE_METHOD_NAME;
 import static com.axellience.vuegwt.core.generation.GenerationNameUtil.styleBundleName;
@@ -17,14 +19,20 @@
 public class StyleProviderGenerator
 {
     private final Filer filer;
+    private final Messager messager;
 
     public StyleProviderGenerator(ProcessingEnvironment processingEnvironment)
     {
         filer = processingEnvironment.getFiler();
+        messager = processingEnvironment.getMessager();
     }
 
     public void generate(TypeElement styleTypeElement)
     {
+        messager.printMessage(Kind.WARNING,
+            "@Style annotation is deprecated and will be removed in Vue GWT 1.0-beta-6. Used on CssResource: "
+                + styleTypeElement.getQualifiedName().toString());
+
         GenerationUtil.generateGwtBundle(styleTypeElement,
             styleBundleName(styleTypeElement),
             STYLE_BUNDLE_METHOD_NAME,