return StringUtils.clean(s1).equals(StringUtils.clean(s2));
    }

    private static Severity getSeverity(ModelBuildingRequest request, int errorThreshold) {
        return getSeverity(request.getValidationLevel(), errorThreshold);
    }

    private static Severity getSeverity(int validationLevel, int errorThreshold) {
        if (validationLevel < errorThreshold) {
            return Severity.WARNING;

    public void add(ModelProblem problem) {
        problems.add(problem);

        severities.add(problem.getSeverity());
    }

    public void addAll(List<ModelProblem> problems) {
        this.problems.addAll(problems);

        for (ModelProblem problem : problems) {
            severities.add(problem.getSeverity());
        }
    }

    @Override
    public void add(ModelProblemCollectorRequest req) {

        assertEquals(Severity.ERROR, problem.getSeverity());

        problem = new DefaultProblem(null, Severity.FATAL, null, -1, -1, null);
        assertEquals(Severity.FATAL, problem.getSeverity());

        problem = new DefaultProblem(null, Severity.ERROR, null, -1, -1, null);
        assertEquals(Severity.ERROR, problem.getSeverity());

                for (ModelProblem problem : result.getProblems()) {
                    if (errorProblems > 0 && problem.getSeverity() == ModelProblem.Severity.WARNING) {
                        continue;
                    }

                    buffer.append("  [").append(problem.getSeverity()).append("] ");
                    buffer.append(problem.getMessage());

                    String location = "";

        assertEquals(Problem.Severity.ERROR, problems.get(0).getSeverity(), "First problem should be ERROR");
        assertEquals("Error message", problems.get(0).getMessage(), "First problem should have correct message");
        assertEquals(Problem.Severity.WARNING, problems.get(1).getSeverity(), "Second problem should be WARNING");
    }

        return errors;
    }

    public List<String> getFatals() {
        return fatals;
    }

    @Override
    public void add(ModelProblemCollectorRequest req) {
        switch (req.getSeverity()) {
            case FATAL:
                if (!fatals.contains(req.getMessage())) {
                    fatals.add(req.getMessage());
                }
                break;
            case ERROR:

        assertEquals(Severity.ERROR, p1.getSeverity());
        assertEquals("MESSAGE1", p1.getMessage());
        assertEquals(-1, p1.getLineNumber());
        assertEquals(-1, p1.getColumnNumber());
        assertNull(p1.getException());

        Problem p2 = collector.getProblems().get(1);
        assertEquals(Severity.WARNING, p2.getSeverity());
        assertEquals("", p2.getMessage());

            }
        }

        return msg;
    }

    @Override
    public Severity getSeverity() {
        return severity;
    }

    @Override
    public String toString() {
        StringBuilder buffer = new StringBuilder(128);

        buffer.append('[').append(getSeverity()).append("] ");
        buffer.append(getMessage());
        String location = getLocation();

                            return problem.getMessage();
                        }

                        @Override
                        public Severity getSeverity() {
                            return Severity.valueOf(problem.getSeverity().name());
                        }
                    };
                }

                @Nonnull
                @Override

        this.severity = Objects.requireNonNull(severity, "severity cannot be null");
        this.version = Objects.requireNonNull(version, "version cannot be null");
    }

    public Severity getSeverity() {
        return severity;
    }

    public Version getVersion() {
        return version;
    }

    public Exception getException() {
        return exception;
    }