public TreeVisitor getVisitor()

in camel-upgrade-recipes/src/main/java/org/apache/camel/upgrade/camel44/CamelCoreRecipe.java [81:139]
48 lines of code
18 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);

                if (getMethodMatcher(M_EXCHANGE_GET_CREATED).matches(mi, false)) {
                    //add call to getClock before call of getCreated
                    mi = mi.withName(mi.getName().withSimpleName("getClock().getCreated"));
                } else if (getMethodMatcher(M_PROPERTIES_LOOKUP_LOOKUP).matches(mi, false)
                        && mi.getArguments().size() == 1) { //without the condition, the recipes is applied again
                    //add default value null
                    List<Expression> arguments = new ArrayList<>(mi.getArguments());
                    arguments.add(RecipesUtil.createNullExpression());
                    mi = mi.withArguments(arguments);
                } else if (getMethodMatcher(M_EXPRESSION_CAUSE_JSONPATH1).matches(mi, false) ||
                        getMethodMatcher(M_EXPRESSION_CAUSE_JSONPATH2).matches(mi, false) ||
                        getMethodMatcher(M_EXPRESSION_CAUSE_TOKENIZE1).matches(mi, false) ||
                        getMethodMatcher(M_EXPRESSION_CAUSE_TOKENIZE2).matches(mi, false) ||
                        getMethodMatcher(M_EXPRESSION_CAUSE_TOKENIZE3).matches(mi, false) ||
                        getMethodMatcher(M_EXPRESSION_CAUSE_XPATH1).matches(mi, false) ||
                        getMethodMatcher(M_EXPRESSION_CAUSE_XPATH2).matches(mi, false) ||
                        getMethodMatcher(M_EXPRESSION_CAUSE_XPATH3).matches(mi, false) ||
                        getMethodMatcher(M_EXPRESSION_CAUSE_XQUERY1).matches(mi, false) ||
                        getMethodMatcher(M_EXPRESSION_CAUSE_XQUERY2).matches(mi, false) ||
                        getMethodMatcher(M_EXPRESSION_CAUSE_XQUERY3).matches(mi, false)) {
                    mi = mi.withName(
                            RecipesUtil.createIdentifier(Space.EMPTY, "removed_" + mi.getSimpleName(), mi.getType().toString()))
                            .withComments(Collections.singletonList(RecipesUtil.createMultinlineComment(
                                    "Some Java DSL for tokenize, xmlTokenize, xpath, xquery and jsonpath has been removed as part of making the DSL model consistent.\n"
                                                                                                        +
                                                                                                        "See https://camel.apache.org/manual/camel-4x-upgrade-guide-4_4.html#_camel_core for more details.\n")));
                }

                return mi;
            }

            @Override
            protected J.NewClass doVisitNewClass(J.NewClass newClass, ExecutionContext context) {
                J.NewClass nc = super.doVisitNewClass(newClass, context);

                //can not use org.openrewrite.java.DeleteMethodArgument, because it doesn't modify calls of constructors
                if ((getMethodMatcher(CONST_STOP_WATCH_LONG01).matches(nc)
                        || getMethodMatcher(CONST_STOP_WATCH_LONG02).matches(nc))
                        && nc.getArguments().size() == 1) { //without the condition, the recipes is applied againorg.openrewrite.properties.ChangePropertyKey
                    nc = nc.withArguments(Collections.emptyList()).withComments(Collections.singletonList(RecipesUtil
                            .createMultinlineComment(
                                    "Removed the deprecated constructor from the internal class org.apache.camel.util.StopWatch.\n"
                                                     +
                                                     "Users of this class are advised to use the default constructor if necessary.Changed exception thrown from IOException to Exception.\n")));

                }

                return nc;
            }
        });
    }