private void validateEffectiveDependency()

in impl/maven-impl/src/main/java/org/apache/maven/impl/model/DefaultModelValidator.java [1291:1418]
120 lines of code
12 McCabe index (conditional complexity)

    private void validateEffectiveDependency(
            ModelProblemCollector problems, Dependency d, boolean management, String prefix, int validationLevel) {
        validateCoordinatesId(
                prefix,
                "artifactId",
                problems,
                Severity.ERROR,
                Version.BASE,
                d.getArtifactId(),
                SourceHint.dependencyManagementKey(d),
                d);

        validateCoordinatesId(
                prefix,
                "groupId",
                problems,
                Severity.ERROR,
                Version.BASE,
                d.getGroupId(),
                SourceHint.dependencyManagementKey(d),
                d);

        if (!management) {
            validateStringNotEmpty(
                    prefix,
                    "type",
                    problems,
                    Severity.ERROR,
                    Version.BASE,
                    d.getType(),
                    SourceHint.dependencyManagementKey(d),
                    d);

            validateDependencyVersion(problems, d, prefix);
        }

        if ("system".equals(d.getScope())) {
            String systemPath = d.getSystemPath();

            if (systemPath == null || systemPath.isEmpty()) {
                addViolation(
                        problems,
                        Severity.ERROR,
                        Version.BASE,
                        prefix + "systemPath",
                        SourceHint.dependencyManagementKey(d),
                        "is missing.",
                        d);
            } else {
                File sysFile = new File(systemPath);
                if (!sysFile.isAbsolute()) {
                    addViolation(
                            problems,
                            Severity.ERROR,
                            Version.BASE,
                            prefix + "systemPath",
                            SourceHint.dependencyManagementKey(d),
                            "must specify an absolute path but is " + systemPath,
                            d);
                } else if (!sysFile.isFile()) {
                    String msg = "refers to a non-existing file " + sysFile.getAbsolutePath() + ".";
                    addViolation(
                            problems,
                            Severity.WARNING,
                            Version.BASE,
                            prefix + "systemPath",
                            SourceHint.dependencyManagementKey(d),
                            msg,
                            d);
                }
            }
        } else if (d.getSystemPath() != null && !d.getSystemPath().isEmpty()) {
            addViolation(
                    problems,
                    Severity.ERROR,
                    Version.BASE,
                    prefix + "systemPath",
                    SourceHint.dependencyManagementKey(d),
                    "must be omitted. This field may only be specified for a dependency with system scope.",
                    d);
        }

        if (validationLevel >= ModelValidator.VALIDATION_LEVEL_MAVEN_2_0) {
            for (Exclusion exclusion : d.getExclusions()) {
                if (validationLevel < ModelValidator.VALIDATION_LEVEL_MAVEN_3_0) {
                    validateCoordinatesId(
                            prefix,
                            "exclusions.exclusion.groupId",
                            problems,
                            Severity.WARNING,
                            Version.V20,
                            exclusion.getGroupId(),
                            SourceHint.dependencyManagementKey(d),
                            exclusion);

                    validateCoordinatesId(
                            prefix,
                            "exclusions.exclusion.artifactId",
                            problems,
                            Severity.WARNING,
                            Version.V20,
                            exclusion.getArtifactId(),
                            SourceHint.dependencyManagementKey(d),
                            exclusion);
                } else {
                    validateCoordinatesIdWithWildcards(
                            prefix,
                            "exclusions.exclusion.groupId",
                            problems,
                            Severity.WARNING,
                            Version.V30,
                            exclusion.getGroupId(),
                            SourceHint.dependencyManagementKey(d),
                            exclusion);

                    validateCoordinatesIdWithWildcards(
                            prefix,
                            "exclusions.exclusion.artifactId",
                            problems,
                            Severity.WARNING,
                            Version.V30,
                            exclusion.getArtifactId(),
                            SourceHint.dependencyManagementKey(d),
                            exclusion);
                }
            }
        }
    }