[Jex] Modify generated code for Jex controllers to use handler methods

http-generator-jex/src/main/java/io/avaje/http/generator/jex/ControllerMethodWriter.java

@@ -14,7 +14,7 @@ class ControllerMethodWriter {
   private final MethodReader method;
   private final Append writer;
   private final WebMethod webMethod;
-  private boolean instrumentContext;
+  private final boolean instrumentContext;
 
   ControllerMethodWriter(MethodReader method, Append writer) {
     this.method = method;
@@ -23,16 +23,37 @@ class ControllerMethodWriter {
     this.instrumentContext = method.instrumentContext();
   }
 
-  void write(boolean requestScoped) {
+  void writeRouting() {
     final PathSegments segments = method.pathSegments();
     final String fullPath = segments.fullPath();
+    writer.append("    routing.%s(\"%s\", this::_%s)", webMethod.name().toLowerCase(), fullPath, method.simpleName());
+    List<String> roles = method.roles();
+    if (!roles.isEmpty()) {
+      writer.append(".withRoles(");
+      for (int i = 0; i < roles.size(); i++) {
+        if (i > 0) {
+          writer.append(", ");
+        }
+        writer.append(Util.shortName(roles.get(i), true));
+      }
+      writer.append(")");
+    }
+    writer.append(";").eol();
+  }
 
-    writer.append("    routing.%s(\"%s\", ctx -> {", webMethod.name().toLowerCase(), fullPath).eol();
+  void writeHandler(boolean requestScoped) {
+    writer.append("  private void _%s(Context ctx) {", method.simpleName()).eol();
+    write(requestScoped);
+    writer.append("  }").eol().eol();
+  }
+
+  private void write(boolean requestScoped) {
     int statusCode = method.statusCode();
     if (statusCode > 0) {
-      writer.append("      ctx.status(%d);", statusCode).eol();
+      writer.append("    ctx.status(%d);", statusCode).eol();
     }
 
+    final PathSegments segments = method.pathSegments();
     List<PathSegments.Segment> matrixSegments = segments.matrixSegments();
     for (PathSegments.Segment matrixSegment : matrixSegments) {
       matrixSegment.writeCreateSegment(writer, platform());
@@ -47,7 +68,7 @@ void write(boolean requestScoped) {
         param.writeValidate(writer);
       }
     }
-    writer.append("      ");
+    writer.append("    ");
     if (!method.isVoid()) {
       writeContextReturn();
     }
@@ -74,19 +95,6 @@ void write(boolean requestScoped) {
       writer.append(")");
     }
     writer.append(";").eol();
-    writer.append("    }");
-
-    List<String> roles = method.roles();
-    if (!roles.isEmpty()) {
-      writer.append(").withRoles(");
-      for (int i = 0; i < roles.size(); i++) {
-        if (i > 0) {
-          writer.append(", ");
-        }
-        writer.append(Util.shortName(roles.get(i), true));
-      }
-    }
-    writer.append(");").eol().eol();
   }
 
   private void writeContextReturn() {

http-generator-jex/src/main/java/io/avaje/http/generator/jex/ControllerWriter.java

@@ -11,11 +11,13 @@
 class ControllerWriter extends BaseControllerWriter {
 
   private static final String AT_GENERATED = "@Generated(\"avaje-jex-generator\")";
+  private static final String API_CONTEXT = "io.avaje.jex.Context";
   private static final String API_ROUTING = "io.avaje.jex.Routing";
   private static final String API_ROUTING_SERVICE = "io.avaje.jex.Routing.Service";
 
   ControllerWriter(ControllerReader reader) throws IOException {
     super(reader);
+    reader.addImportType(API_CONTEXT);
     reader.addImportType(API_ROUTING);
     reader.addImportType(API_ROUTING_SERVICE);
   }
@@ -25,27 +27,36 @@ void write() {
     writeImports();
     writeClassStart();
     writeAddRoutes();
+    writeHandlers();
     writeClassEnd();
   }
 
   private void writeAddRoutes() {
     writer.append("  @Override").eol();
-    writer.append("  public void add(Routing routing) {").eol().eol();
+    writer.append("  public void add(Routing routing) {").eol();
     for (MethodReader method : reader.methods()) {
       if (method.isWebMethod()) {
-        writeForMethod(method);
+        writeRouting(method);
       }
     }
     writer.append("  }").eol().eol();
   }
 
-  private void writeForMethod(MethodReader method) {
-    new ControllerMethodWriter(method, writer).write(isRequestScoped());
-    if (!reader.isDocHidden()) {
-      method.buildApiDocumentation();
+  private void writeHandlers() {
+    for (MethodReader method : reader.methods()) {
+      if (method.isWebMethod()) {
+        new ControllerMethodWriter(method, writer).writeHandler(isRequestScoped());
+        if (!reader.isDocHidden()) {
+          method.buildApiDocumentation();
+        }
+      }
     }
   }
 
+  private void writeRouting(MethodReader method) {
+    new ControllerMethodWriter(method, writer).writeRouting();
+  }
+
   private void writeClassStart() {
     writer.append(AT_GENERATED).eol();
     writer.append(diAnnotation()).eol();
@@ -62,7 +73,7 @@ private void writeClassStart() {
     if (reader.isIncludeValidator()) {
       writer.append("  private final Validator validator;").eol();
     }
-    
+
     if (instrumentContext) {
       writer.append("  private final RequestContextResolver resolver;").eol();
     }

http-generator-jex/src/main/java/io/avaje/http/generator/jex/JexAdapter.java

@@ -38,7 +38,7 @@ public String bodyAsClass(UType uType) {
 
   @Override
   public String indent() {
-    return "    ";
+    return "  ";
   }
 
   @Override
@@ -85,7 +85,7 @@ public void writeReadCollectionParameter(
     }
     writer.append("withDefault(ctx.queryParams(\"%s\"), java.util.List.of(\"%s\"))", paramName, String.join(",", paramDefault));
   }
-  
+
   @Override
   public void writeAcceptLanguage(Append writer) {
     writer.append("ctx.header(\"%s\")", Constants.ACCEPT_LANGUAGE);