public TreeVisitor getVisitor()

in camel-upgrade-recipes/src/main/java/org/apache/camel/upgrade/UpgradeJavaVersion.java [55:69]

• 15 lines of code
• 3 McCabe index (conditional complexity)

    public TreeVisitor<?, ExecutionContext> getVisitor() {
        String newVersion = version.toString();
        Map<JavaVersion, JavaVersion> updatedMarkers = new HashMap<>();
        return new JavaIsoVisitor<>() {
            @Override
            public J preVisit(J tree, ExecutionContext ctx) {
                Optional<JavaVersion> maybeJavaVersion = tree.getMarkers().findFirst(JavaVersion.class);
                if (maybeJavaVersion.isPresent() && maybeJavaVersion.get().getMajorVersion() < version) {
                    return tree.withMarkers(tree.getMarkers().setByType(updatedMarkers.computeIfAbsent(maybeJavaVersion.get(),
                            m -> m.withSourceCompatibility(newVersion).withTargetCompatibility(newVersion))));
                }
                return tree;
            }
        };
    }