From 4aedd9488ae488bcbed39e12e7d405a6e5fb56e8 Mon Sep 17 00:00:00 2001
From: jflute <dbflute@gmail.com>
Date: Thu, 25 Jul 2024 22:06:46 +0900
Subject: [PATCH] Jakarta support (as java21 version) #22 :: fix compile error

---
 pom.xml                                       |  2 +-
 .../thymeleaf/ThymeleafHtmlRenderer.java      | 28 +++++++++++++------
 .../thymeleaf/ThymeleafRenderingProvider.java | 19 ++++++++++---
 3 files changed, 36 insertions(+), 13 deletions(-)

diff --git a/pom.xml b/pom.xml
index 0bdf508..900b251 100644
--- a/pom.xml
+++ b/pom.xml
@@ -13,7 +13,7 @@
 
 	<properties>
 		<lastaflute.version>2.0.0-B-SNAPSHOT</lastaflute.version> <!-- about one year old (from now) -->
-		<thymeleaf.version>3.0.15.RELEASE</thymeleaf.version>
+		<thymeleaf.version>3.1.1.RELEASE</thymeleaf.version>
 		<servlet.version>6.0.0</servlet.version>
 		<utflute.version>0.9.6</utflute.version>
 		<junit.version>4.8.2</junit.version> <!-- latest version without hamcrest -->
diff --git a/src/main/java/org/lastaflute/thymeleaf/ThymeleafHtmlRenderer.java b/src/main/java/org/lastaflute/thymeleaf/ThymeleafHtmlRenderer.java
index 42dc546..032d7b0 100644
--- a/src/main/java/org/lastaflute/thymeleaf/ThymeleafHtmlRenderer.java
+++ b/src/main/java/org/lastaflute/thymeleaf/ThymeleafHtmlRenderer.java
@@ -22,11 +22,6 @@
 import java.util.Locale;
 import java.util.Set;
 
-import javax.servlet.ServletContext;
-import javax.servlet.ServletException;
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpServletResponse;
-
 import org.dbflute.helper.message.ExceptionMessageBuilder;
 import org.dbflute.util.Srl;
 import org.lastaflute.core.message.UserMessages;
@@ -48,6 +43,13 @@
 import org.slf4j.LoggerFactory;
 import org.thymeleaf.TemplateEngine;
 import org.thymeleaf.context.WebContext;
+import org.thymeleaf.web.servlet.IServletWebExchange;
+import org.thymeleaf.web.servlet.JakartaServletWebApplication;
+
+import jakarta.servlet.ServletContext;
+import jakarta.servlet.ServletException;
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
 
 /**
  * @author jflute
@@ -121,12 +123,22 @@ protected void showRendering(NextJourney journey) {
     // -----------------------------------------------------
     //                                      Template Context
     //                                      ----------------
+    // #jakarta the way to create web context has been changed by jflute (2024/07/25)
     protected WebContext createTemplateContext(RequestManager requestManager) {
+        final IServletWebExchange exchange = createWebExchange(requestManager);
+        return newWebContext(exchange, requestManager.getUserLocale());
+    }
+
+    protected IServletWebExchange createWebExchange(RequestManager requestManager) {
+        final ServletContext servletContext = requestManager.getServletContext();
         final HttpServletRequest request = requestManager.getRequest();
         final HttpServletResponse response = requestManager.getResponseManager().getResponse();
-        final ServletContext servletContext = request.getServletContext();
-        final Locale locale = requestManager.getUserLocale();
-        return new WebContext(request, response, servletContext, locale);
+        final JakartaServletWebApplication application = JakartaServletWebApplication.buildApplication(servletContext);
+        return application.buildExchange(request, response);
+    }
+
+    protected WebContext newWebContext(IServletWebExchange exchange, Locale locale) {
+        return new WebContext(exchange, locale);
     }
 
     // -----------------------------------------------------
diff --git a/src/main/java/org/lastaflute/thymeleaf/ThymeleafRenderingProvider.java b/src/main/java/org/lastaflute/thymeleaf/ThymeleafRenderingProvider.java
index c792773..b760db2 100644
--- a/src/main/java/org/lastaflute/thymeleaf/ThymeleafRenderingProvider.java
+++ b/src/main/java/org/lastaflute/thymeleaf/ThymeleafRenderingProvider.java
@@ -31,7 +31,11 @@
 import org.thymeleaf.messageresolver.StandardMessageResolver;
 import org.thymeleaf.standard.StandardDialect;
 import org.thymeleaf.templateresolver.ITemplateResolver;
-import org.thymeleaf.templateresolver.ServletContextTemplateResolver;
+import org.thymeleaf.templateresolver.WebApplicationTemplateResolver;
+import org.thymeleaf.web.IWebApplication;
+import org.thymeleaf.web.servlet.JakartaServletWebApplication;
+
+import jakarta.servlet.ServletContext;
 
 /**
  * Thymeleaf rendering provider of Lastaflute.
@@ -160,8 +164,9 @@ protected StandardDialect findStandardDialect(TemplateEngine engine) {
     // -----------------------------------------------------
     //                                     Template Resolver
     //                                     -----------------
+    // #jakarta the way to create template resolver has been changed by jflute (2024/07/25)
     protected ITemplateResolver createTemplateResolver() {
-        final ServletContextTemplateResolver resolver = newServletContextTemplateResolver();
+        final WebApplicationTemplateResolver resolver = createWebApplicationTemplateResolver();
         resolver.setPrefix(getHtmlViewPrefix());
         resolver.setTemplateMode(getTemplateMode());
         resolver.setCharacterEncoding(getEncoding());
@@ -169,8 +174,14 @@ protected ITemplateResolver createTemplateResolver() {
         return resolver;
     }
 
-    protected ServletContextTemplateResolver newServletContextTemplateResolver() {
-        return new ServletContextTemplateResolver(LaServletContextUtil.getServletContext());
+    protected WebApplicationTemplateResolver createWebApplicationTemplateResolver() {
+        final ServletContext servletContext = LaServletContextUtil.getServletContext();
+        final JakartaServletWebApplication webApplication = JakartaServletWebApplication.buildApplication(servletContext);
+        return newWebApplicationTemplateResolver(webApplication);
+    }
+
+    protected WebApplicationTemplateResolver newWebApplicationTemplateResolver(IWebApplication webApplication) {
+        return new WebApplicationTemplateResolver(webApplication);
     }
 
     protected String getHtmlViewPrefix() {