[UNDERTOW-2530] Adding support for JDK20, JDK21, JDK22 and JDK23 in Jastow compiler and setting JDK17 as default compilation target

Author: ropalka

pom.xml

@@ -53,7 +53,7 @@
         <version.jakarta.servlet.jsp.jakarta-servlet-jsp-api>3.1.1</version.jakarta.servlet.jsp.jakarta-servlet-jsp-api>
         <version.junit>4.13.2</version.junit>
         <version.org.apache.httpcomponents>4.5.14</version.org.apache.httpcomponents>
-        <version.org.eclipse.jdt.ecj>3.32.0</version.org.eclipse.jdt.ecj>
+        <version.org.eclipse.jdt.ecj>3.40.0</version.org.eclipse.jdt.ecj>
         <version.org.glassfish.expressly>5.0.0</version.org.glassfish.expressly>
         <version.org.jboss.logging.jboss-logging>3.6.1.Final</version.org.jboss.logging.jboss-logging>
         <version.org.jboss.logging.jboss-logging-tools>3.0.3.Final</version.org.jboss.logging.jboss-logging-tools>

src/main/java/org/apache/jasper/compiler/JDTCompiler.java

@@ -292,7 +292,7 @@ public void cleanup() {
         }
 
         // Source JVM
-        if(ctxt.getOptions().getCompilerSourceVM() != null) {
+        if (ctxt.getOptions().getCompilerSourceVM() != null) {
             String opt = ctxt.getOptions().getCompilerSourceVM();
             if(opt.equals("1.1")) {
                 settings.put(CompilerOptions.OPTION_Source, CompilerOptions.VERSION_1_1);
@@ -332,17 +332,25 @@ public void cleanup() {
                  settings.put(CompilerOptions.OPTION_Source, CompilerOptions.VERSION_18);
             } else if (opt.equals("19")) {
                  settings.put(CompilerOptions.OPTION_Source, CompilerOptions.VERSION_19);
+            } else if (opt.equals("20")) {
+                settings.put(CompilerOptions.OPTION_Source, CompilerOptions.VERSION_20);
+            } else if (opt.equals("21")) {
+                settings.put(CompilerOptions.OPTION_Source, CompilerOptions.VERSION_21);
+            } else if (opt.equals("22")) {
+                settings.put(CompilerOptions.OPTION_Source, CompilerOptions.VERSION_22);
+            } else if (opt.equals("23")) {
+                settings.put(CompilerOptions.OPTION_Source, CompilerOptions.VERSION_23);
             } else {
                 JasperLogger.COMPILER_LOGGER.unknownSourceJvm(opt);
-                settings.put(CompilerOptions.OPTION_Source, CompilerOptions.VERSION_11);
+                settings.put(CompilerOptions.OPTION_Source, CompilerOptions.VERSION_17);
             }
         } else {
-            // Default to 11
-            settings.put(CompilerOptions.OPTION_Source, CompilerOptions.VERSION_11);
+            // Default to 17
+            settings.put(CompilerOptions.OPTION_Source, CompilerOptions.VERSION_17);
         }
 
         // Target JVM
-        if(ctxt.getOptions().getCompilerTargetVM() != null) {
+        if (ctxt.getOptions().getCompilerTargetVM() != null) {
             String opt = ctxt.getOptions().getCompilerTargetVM();
             if(opt.equals("1.1")) {
                 settings.put(CompilerOptions.OPTION_TargetPlatform, CompilerOptions.VERSION_1_1);
@@ -397,14 +405,26 @@ public void cleanup() {
             } else if (opt.equals("19")) {
                  settings.put(CompilerOptions.OPTION_TargetPlatform, CompilerOptions.VERSION_19);
                  settings.put(CompilerOptions.OPTION_Compliance, CompilerOptions.VERSION_19);
+            } else if (opt.equals("20")) {
+                settings.put(CompilerOptions.OPTION_TargetPlatform, CompilerOptions.VERSION_20);
+                settings.put(CompilerOptions.OPTION_Compliance, CompilerOptions.VERSION_20);
+            } else if (opt.equals("21")) {
+                settings.put(CompilerOptions.OPTION_TargetPlatform, CompilerOptions.VERSION_21);
+                settings.put(CompilerOptions.OPTION_Compliance, CompilerOptions.VERSION_21);
+            } else if (opt.equals("22")) {
+                settings.put(CompilerOptions.OPTION_TargetPlatform, CompilerOptions.VERSION_22);
+                settings.put(CompilerOptions.OPTION_Compliance, CompilerOptions.VERSION_22);
+            } else if (opt.equals("23")) {
+                settings.put(CompilerOptions.OPTION_TargetPlatform, CompilerOptions.VERSION_23);
+                settings.put(CompilerOptions.OPTION_Compliance, CompilerOptions.VERSION_23);
             } else {
                 JasperLogger.COMPILER_LOGGER.unknownTargetJvm(opt);
-                settings.put(CompilerOptions.OPTION_TargetPlatform, CompilerOptions.VERSION_11);
+                settings.put(CompilerOptions.OPTION_TargetPlatform, CompilerOptions.VERSION_17);
             }
         } else {
-            // Default to 11
-            settings.put(CompilerOptions.OPTION_TargetPlatform, CompilerOptions.VERSION_11);
-            settings.put(CompilerOptions.OPTION_Compliance, CompilerOptions.VERSION_11);
+            // Default to 17
+            settings.put(CompilerOptions.OPTION_TargetPlatform, CompilerOptions.VERSION_17);
+            settings.put(CompilerOptions.OPTION_Compliance, CompilerOptions.VERSION_17);
         }
 
         final IProblemFactory problemFactory = new DefaultProblemFactory(Locale.getDefault());