CAMEL-21208: Minor cleanup from review

- Remove unnecessary bare block in Run.generateOpenApi (leftover from try-with-resources)
- Deduplicate model building in Export.copyDockerFiles

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: gnodet

dsl/camel-jbang/camel-jbang-core/src/main/java/org/apache/camel/dsl/jbang/core/commands/Export.java

@@ -305,21 +305,18 @@ protected void copyDockerFiles(String buildDir) throws Exception {
         Files.createDirectories(docker);
         String[] ids = gav.split(":");
 
+        Map<String, Object> model = new HashMap<>();
+        model.put("ArtifactId", ids[1]);
+        model.put("Version", ids[2]);
+        model.put("AppJar", ids[1] + "-" + ids[2] + ".jar");
+
         String ftlName = "Dockerfile" + javaVersion + ".ftl";
         String context;
         try {
-            Map<String, Object> model = new HashMap<>();
-            model.put("ArtifactId", ids[1]);
-            model.put("Version", ids[2]);
-            model.put("AppJar", ids[1] + "-" + ids[2] + ".jar");
             context = TemplateHelper.processTemplate(ftlName, model);
         } catch (IOException e) {
             // fallback to JDK 21 template
             printer().printf("No Dockerfile template for Java %s, falling back to Java 21 template%n", javaVersion);
-            Map<String, Object> model = new HashMap<>();
-            model.put("ArtifactId", ids[1]);
-            model.put("Version", ids[2]);
-            model.put("AppJar", ids[1] + "-" + ids[2] + ".jar");
             context = TemplateHelper.processTemplate("Dockerfile21.ftl", model);
         }
         Files.writeString(docker.resolve("Dockerfile"), context);

dsl/camel-jbang/camel-jbang-core/src/main/java/org/apache/camel/dsl/jbang/core/commands/Run.java

@@ -1893,15 +1893,13 @@ private void generateOpenApi() throws Exception {
             throw new FileNotFoundException("Cannot find file: " + filePath);
         }
 
-        {
-            Map<String, Object> model = new HashMap<>();
-            model.put("Spec", filePath.toString());
-            String content = TemplateHelper.processTemplate("rest-dsl.yaml.ftl", model);
-            Files.writeString(Paths.get(OPENAPI_GENERATED_FILE), content);
+        Map<String, Object> model = new HashMap<>();
+        model.put("Spec", filePath.toString());
+        String content = TemplateHelper.processTemplate("rest-dsl.yaml.ftl", model);
+        Files.writeString(Paths.get(OPENAPI_GENERATED_FILE), content);
 
-            // we need to include the spec on the classpath
-            files.add(openapi);
-        }
+        // we need to include the spec on the classpath
+        files.add(openapi);
     }
 
     private boolean knownFile(String file) throws Exception {