Add support for compiling JSPs targeting Java 22

apache · Jun 29, 2023 · 440d4b0 · 440d4b0
1 parent 7329c7c
commit 440d4b0
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Showing 2 changed files with 18 additions and 0 deletions.
diff --git a/java/org/apache/jasper/compiler/JDTCompiler.java b/java/org/apache/jasper/compiler/JDTCompiler.java
@@ -324,6 +324,11 @@ public void cleanup() {
                 // Tomcat. May be supported in a snapshot build.
                 // This is checked against the actual version below.
                 settings.put(CompilerOptions.OPTION_Source, "21");
+            } else if (opt.equals("22")) {
+                // Constant not available in latest ECJ version shipped with
+                // Tomcat. May be supported in a snapshot build.
+                // This is checked against the actual version below.
+                settings.put(CompilerOptions.OPTION_Source, "22");
             } else {
                 log.warn(Localizer.getMessage("jsp.warning.unknown.sourceVM", opt));
                 settings.put(CompilerOptions.OPTION_Source, CompilerOptions.VERSION_11);
@@ -400,6 +405,12 @@ public void cleanup() {
                 // This is checked against the actual version below.
                 settings.put(CompilerOptions.OPTION_TargetPlatform, "21");
                 settings.put(CompilerOptions.OPTION_Compliance, "21");
+            } else if (opt.equals("22")) {
+                // Constant not available in latest ECJ version shipped with
+                // Tomcat. May be supported in a snapshot build.
+                // This is checked against the actual version below.
+                settings.put(CompilerOptions.OPTION_TargetPlatform, "22");
+                settings.put(CompilerOptions.OPTION_Compliance, "22");
             } else {
                 log.warn(Localizer.getMessage("jsp.warning.unknown.targetVM", opt));
                 settings.put(CompilerOptions.OPTION_TargetPlatform, CompilerOptions.VERSION_11);

diff --git a/webapps/docs/changelog.xml b/webapps/docs/changelog.xml
@@ -156,6 +156,13 @@
         of the Jakarta EL API to align with the latest proposals for the Jakarta
         EL 6.0 API. (markt)
       </add>
+      <add>
+        Add support for specifying Java 22 (with the value <code>22</code>) as
+        the compiler source and/or compiler target for JSP compilation. If used
+        with an Eclipse JDT compiler version that does not support these values,
+        a warning will be logged and the default will used.
+        (markt)
+      </add>
     </changelog>
   </subsection>
   <subsection name="WebSocket">