compat/maven-model-builder/src/main/java/org/apache/maven/model/interpolation/StringSearchModelInterpolator.java [77:111]:
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    private InnerInterpolator createInterpolator(
            List<? extends ValueSource> valueSources,
            List<? extends InterpolationPostProcessor> postProcessors,
            final ModelProblemCollector problems) {
        final Map<String, String> cache = new HashMap<>();
        final StringSearchInterpolator interpolator = new StringSearchInterpolator();
        interpolator.setCacheAnswers(true);
        for (ValueSource vs : valueSources) {
            interpolator.addValueSource(vs);
        }
        for (InterpolationPostProcessor postProcessor : postProcessors) {
            interpolator.addPostProcessor(postProcessor);
        }
        final RecursionInterceptor recursionInterceptor = createRecursionInterceptor();
        return new InnerInterpolator() {
            @Override
            public String interpolate(String value) {
                if (value != null && value.contains("${")) {
                    String c = cache.get(value);
                    if (c == null) {
                        try {
                            c = interpolator.interpolate(value, recursionInterceptor);
                        } catch (InterpolationException e) {
                            problems.add(new ModelProblemCollectorRequest(Severity.ERROR, Version.BASE)
                                    .setMessage(e.getMessage())
                                    .setException(e));
                        }
                        cache.put(value, c);
                    }
                    return c;
                }
                return value;
            }
        };
    }
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -



compat/maven-model-builder/src/main/java/org/apache/maven/model/interpolation/StringVisitorModelInterpolator.java [108:142]:
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    private InnerInterpolator createInterpolator(
            List<? extends ValueSource> valueSources,
            List<? extends InterpolationPostProcessor> postProcessors,
            final ModelProblemCollector problems) {
        final Map<String, String> cache = new HashMap<>();
        final StringSearchInterpolator interpolator = new StringSearchInterpolator();
        interpolator.setCacheAnswers(true);
        for (ValueSource vs : valueSources) {
            interpolator.addValueSource(vs);
        }
        for (InterpolationPostProcessor postProcessor : postProcessors) {
            interpolator.addPostProcessor(postProcessor);
        }
        final RecursionInterceptor recursionInterceptor = createRecursionInterceptor();
        return new InnerInterpolator() {
            @Override
            public String interpolate(String value) {
                if (value != null && value.contains("${")) {
                    String c = cache.get(value);
                    if (c == null) {
                        try {
                            c = interpolator.interpolate(value, recursionInterceptor);
                        } catch (InterpolationException e) {
                            problems.add(new ModelProblemCollectorRequest(Severity.ERROR, Version.BASE)
                                    .setMessage(e.getMessage())
                                    .setException(e));
                        }
                        cache.put(value, c);
                    }
                    return c;
                }
                return value;
            }
        };
    }
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -