public TreeVisitor getVisitor()

in camel-upgrade-recipes/src/main/java/org/apache/camel/upgrade/customRecipes/MoveGetterToPluginHelper.java [65:105]
33 lines of code
5 McCabe index (conditional complexity)

    public TreeVisitor<?, ExecutionContext> getVisitor() {
        return RecipesUtil.newVisitor(new AbstractCamelJavaVisitor() {
            @Override
            protected J.MethodInvocation doVisitMethodInvocation(J.MethodInvocation method, ExecutionContext context) {
                J.MethodInvocation mi = super.doVisitMethodInvocation(method, context);

                // extendedContext.getModelJAXBContextFactory() -> PluginHelper.getModelJAXBContextFactory(extendedContext)
                if (getMethodMatcher(getOldMethodMatcher()).matches(mi, false)) {
                    if (mi.getSelect() instanceof J.MethodInvocation && getMethodMatcher(MATCHER_CONTEXT_GET_EXT)
                            .matches(((J.MethodInvocation) mi.getSelect()).getMethodType())) {
                        J.MethodInvocation innerInvocation = (J.MethodInvocation) mi.getSelect();
                        mi = JavaTemplate.builder(getNewMethodFromContext())
                                //.contextSensitive()
                                .build()
                                .apply(getCursor(), mi.getCoordinates().replace(), innerInvocation.getSelect());
                        doAfterVisit(new AddImport<>("org.apache.camel.support.PluginHelper", null, false));
                    } else if (mi.getSelect().getType().isAssignableFrom(EXTERNAL_CONTEXT_TYPE)) {
                        mi = JavaTemplate.builder(getNewMethodFromExternalContextContext())
                                //.contextSensitive()
                                .build()
                                .apply(getCursor(), mi.getCoordinates().replace(), mi.getSelect());
                        doAfterVisit(new AddImport<>("org.apache.camel.support.PluginHelper", null, false));
                    }
                }

                return mi;
            }

            private String getOldMethodMatcher() {
                return "org.apache.camel.ExtendedCamelContext " + oldMethodName + "()";
            }

            private String getNewMethodFromContext() {
                return "PluginHelper." + oldMethodName + "(#{any(org.apache.camel.CamelContext)})";
            }

            private String getNewMethodFromExternalContextContext() {
                return "PluginHelper." + oldMethodName + "(#{any(org.apache.camel.ExtendedCamelContext)})";
            }
        });
    }