protected final ArtifactVersion getMavenVersion()

in core-it-support/maven-it-helper/src/main/java/org/apache/maven/it/AbstractMavenIntegrationTestCase.java [124:144]

• 18 lines of code
• 8 McCabe index (conditional complexity)

    protected final ArtifactVersion getMavenVersion() {
        if (mavenVersion == null) {
            String version = System.getProperty("maven.version", "");

            if (version.length() <= 0 || version.startsWith("${")) {
                try {
                    Verifier verifier = new Verifier("");
                    version = verifier.getMavenVersion();
                    System.setProperty("maven.version", version);
                } catch (VerificationException e) {
                    e.printStackTrace();
                }
            }

            // NOTE: If the version looks like "${...}" it has been configured from an undefined expression
            if (version != null && version.length() > 0 && !version.startsWith("${")) {
                mavenVersion = new DefaultArtifactVersion(version);
            }
        }
        return mavenVersion;
    }