public void validateRawModel()

in compat/maven-model-builder/src/main/java/org/apache/maven/model/validation/DefaultModelValidator.java [103:262]
126 lines of code
20 McCabe index (conditional complexity)

    public void validateRawModel(Model m, ModelBuildingRequest request, ModelProblemCollector problems) {
        Parent parent = m.getParent();
        if (parent != null) {
            validateStringNotEmpty(
                    "parent.groupId", problems, Severity.FATAL, Version.BASE, parent.getGroupId(), parent);

            validateStringNotEmpty(
                    "parent.artifactId", problems, Severity.FATAL, Version.BASE, parent.getArtifactId(), parent);

            validateStringNotEmpty(
                    "parent.version", problems, Severity.FATAL, Version.BASE, parent.getVersion(), parent);

            if (equals(parent.getGroupId(), m.getGroupId()) && equals(parent.getArtifactId(), m.getArtifactId())) {
                addViolation(
                        problems,
                        Severity.FATAL,
                        Version.BASE,
                        "parent.artifactId",
                        null,
                        "must be changed"
                                + ", the parent element cannot have the same groupId:artifactId as the project.",
                        parent);
            }

            if (equals("LATEST", parent.getVersion()) || equals("RELEASE", parent.getVersion())) {
                addViolation(
                        problems,
                        Severity.WARNING,
                        Version.BASE,
                        "parent.version",
                        null,
                        "is either LATEST or RELEASE (both of them are being deprecated)",
                        parent);
            }
        }

        if (request.getValidationLevel() == ModelBuildingRequest.VALIDATION_LEVEL_MINIMAL) {
            // profiles: they are essential for proper model building (may contribute profiles, dependencies...)
            HashSet<String> minProfileIds = new HashSet<>();
            for (Profile profile : m.getProfiles()) {
                if (!minProfileIds.add(profile.getId())) {
                    addViolation(
                            problems,
                            Severity.WARNING,
                            Version.BASE,
                            "profiles.profile.id",
                            null,
                            "Duplicate activation for profile " + profile.getId(),
                            profile);
                }
            }
        } else if (request.getValidationLevel() >= ModelBuildingRequest.VALIDATION_LEVEL_MAVEN_2_0) {
            Severity errOn30 = getSeverity(request, ModelBuildingRequest.VALIDATION_LEVEL_MAVEN_3_0);

            // [MNG-6074] Maven should produce an error if no model version has been set in a POM file used to build an
            // effective model.
            //
            // As of 3.4, the model version is mandatory even in raw models. The XML element still is optional in the
            // XML schema and this will not change anytime soon. We do not want to build effective models based on
            // models without a version starting with 3.4.
            validateStringNotEmpty("modelVersion", problems, Severity.ERROR, Version.V20, m.getModelVersion(), m);

            validateModelVersion(problems, m.getModelVersion(), m, "4.0.0");

            validateStringNoExpression("groupId", problems, Severity.WARNING, Version.V20, m.getGroupId(), m);
            if (parent == null) {
                validateStringNotEmpty("groupId", problems, Severity.FATAL, Version.V20, m.getGroupId(), m);
            }

            validateStringNoExpression("artifactId", problems, Severity.WARNING, Version.V20, m.getArtifactId(), m);
            validateStringNotEmpty("artifactId", problems, Severity.FATAL, Version.V20, m.getArtifactId(), m);

            validateVersionNoExpression("version", problems, Severity.WARNING, Version.V20, m.getVersion(), m);
            if (parent == null) {
                validateStringNotEmpty("version", problems, Severity.FATAL, Version.V20, m.getVersion(), m);
            }

            validate20RawDependencies(problems, m.getDependencies(), "dependencies.dependency.", EMPTY, request);

            validate20RawDependenciesSelfReferencing(
                    problems, m, m.getDependencies(), "dependencies.dependency", request);

            if (m.getDependencyManagement() != null) {
                validate20RawDependencies(
                        problems,
                        m.getDependencyManagement().getDependencies(),
                        "dependencyManagement.dependencies.dependency.",
                        EMPTY,
                        request);
            }

            validateRawRepositories(problems, m.getRepositories(), "repositories.repository.", EMPTY, request);

            validateRawRepositories(
                    problems, m.getPluginRepositories(), "pluginRepositories.pluginRepository.", EMPTY, request);

            Build build = m.getBuild();
            if (build != null) {
                validate20RawPlugins(problems, build.getPlugins(), "build.plugins.plugin.", EMPTY, request);

                PluginManagement mgmt = build.getPluginManagement();
                if (mgmt != null) {
                    validate20RawPlugins(
                            problems, mgmt.getPlugins(), "build.pluginManagement.plugins.plugin.", EMPTY, request);
                }
            }

            Set<String> profileIds = new HashSet<>();

            for (Profile profile : m.getProfiles()) {
                String prefix = "profiles.profile[" + profile.getId() + "].";

                if (!profileIds.add(profile.getId())) {
                    addViolation(
                            problems,
                            errOn30,
                            Version.V20,
                            "profiles.profile.id",
                            null,
                            "must be unique but found duplicate profile with id " + profile.getId(),
                            profile);
                }

                validate30RawProfileActivation(problems, profile.getActivation(), prefix);

                validate20RawDependencies(
                        problems, profile.getDependencies(), prefix, "dependencies.dependency.", request);

                if (profile.getDependencyManagement() != null) {
                    validate20RawDependencies(
                            problems,
                            profile.getDependencyManagement().getDependencies(),
                            prefix,
                            "dependencyManagement.dependencies.dependency.",
                            request);
                }

                validateRawRepositories(
                        problems, profile.getRepositories(), prefix, "repositories.repository.", request);

                validateRawRepositories(
                        problems,
                        profile.getPluginRepositories(),
                        prefix,
                        "pluginRepositories.pluginRepository.",
                        request);

                BuildBase buildBase = profile.getBuild();
                if (buildBase != null) {
                    validate20RawPlugins(problems, buildBase.getPlugins(), prefix, "plugins.plugin.", request);

                    PluginManagement mgmt = buildBase.getPluginManagement();
                    if (mgmt != null) {
                        validate20RawPlugins(
                                problems, mgmt.getPlugins(), prefix, "pluginManagement.plugins.plugin.", request);
                    }
                }
            }
        }
    }