private File findFile()

in core/container/src/main/java/org/wildfly/swarm/internal/ArtifactManager.java [113:170]
41 lines of code
14 McCabe index (conditional complexity)

    private File findFile(String gav) throws IOException, ModuleLoadException {

        // groupId:artifactId
        // groupId:artifactId:version
        // groupId:artifactId:packaging:version
        // groupId:artifactId:packaging:classifier:version

        String[] parts = gav.split(COLON);

        if (parts.length < 2) {
            throw SwarmMessages.MESSAGES.gavMinimumSegments();
        }

        String groupId = parts[0];
        String artifactId = parts[1];
        String packaging = JAR;
        String version = null;
        String classifier = "";

        if (parts.length == 3) {
            version = parts[2];
        }

        if (parts.length == 4) {
            // the type "test-jar" is packaged as a .jar file more info: https://maven.apache.org/plugins/maven-jar-plugin/examples/create-test-jar.html
            packaging = TEST_JAR.equals(parts[2]) ? JAR : parts[2];
            version = parts[3];
        }

        if (parts.length == 5) {
            packaging = TEST_JAR.equals(parts[2]) ? JAR : parts[2];
            classifier = parts[3];
            version = parts[4];
        }

        if (version != null && (version.isEmpty() || version.equals("*"))) {
            version = null;
        }

        if (version == null) {
            version = determineVersionViaApplicationEnvironment(groupId, artifactId, packaging, classifier);
        }

        if (version == null) {
            version = determineVersionViaClasspath(groupId, artifactId, packaging, classifier);
        }

        if (version == null) {
            throw SwarmMessages.MESSAGES.unableToDetermineVersion(gav);
        }
        ArtifactCoordinates coords = new ArtifactCoordinates(
                groupId,
                artifactId,
                version,
                classifier == null ? "" : classifier);

        return MavenResolvers.get().resolveArtifact(coords, packaging);
    }