apache / maven-resolver - Conditional Complexity

Intro

Conditional complexity (also called cyclomatic complexity) is a term used to measure the complexity of software. The term refers to the number of possible paths through a program function. A higher value ofter means higher maintenance and testing costs (infosecinstitute.com).
Conditional complexity is calculated by counting all conditions in the program that can affect the execution path (e.g. if statement, loops, switches, and/or operators, try and catch blocks...).
Conditional complexity is measured at the unit level (methods, functions...).
Units are classified in four categories based on the measured McCabe index: 1-5 (simple units), 6-10 (medium complex units), 11-25 (complex units), 26+ (very complex units).

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Conditional Complexity Overall

There are 3,310 units with 25,937 lines of code in units (67.4% of code).

0 very complex units (0 lines of code)
2 complex units (373 lines of code)
48 medium complex units (2,817 lines of code)
161 simple units (4,348 lines of code)
3,099 very simple units (18,399 lines of code)

Legend:

51+

26-50

11-25

6-10

1-5

Alternative Visuals

3D view of all units

Conditional Complexity per Extension

51+

26-50

11-25

6-10

1-5

Conditional Complexity per Logical Component

primary logical decomposition

51+

26-50

11-25

6-10

1-5

Most Complex Units

Top 50 most complex units

Unit	# lines	McCabe index	# params
private List resolve() in maven-resolver-impl/src/main/java/org/eclipse/aether/internal/impl/DefaultArtifactResolver.java	191	40	5
private List resolve() in maven-resolver-impl/src/main/java/org/eclipse/aether/internal/impl/DefaultMetadataResolver.java	182	29	5
protected void implGet() in maven-resolver-transport-jetty/src/main/java/org/eclipse/aether/transport/jetty/JettyTransporter.java	94	24	1
public DependencyManagement manageDependency() in maven-resolver-util/src/main/java/org/eclipse/aether/util/graph/manager/AbstractDependencyManager.java	60	23	1
protected void implGet() in maven-resolver-transport-jdk-parent/maven-resolver-transport-jdk-11/src/main/java/org/eclipse/aether/transport/jdk/JdkTransporter.java	101	22	1
private void client() in maven-resolver-named-locks-ipc/src/main/java/org/eclipse/aether/named/ipc/IpcServer.java	137	21	1
private void dispatch() in maven-resolver-impl/src/main/java/org/eclipse/aether/internal/impl/DefaultRepositoryEventDispatcher.java	67	21	2
private GnupgSignatureArtifactGenerator doCreateArtifactGenerator() in maven-resolver-generator-gnupg/src/main/java/org/eclipse/aether/generator/gnupg/GnupgSignatureArtifactGeneratorFactory.java	81	21	3
private HttpClient createClient() in maven-resolver-transport-jetty/src/main/java/org/eclipse/aether/transport/jetty/JettyTransporter.java	111	19	0
private RepositoryPolicy merge() in maven-resolver-impl/src/main/java/org/eclipse/aether/internal/impl/DefaultRemoteRepositoryManager.java	66	18	4
protected abstract DependencyManager newInstance() in maven-resolver-util/src/main/java/org/eclipse/aether/util/graph/manager/AbstractDependencyManager.java	62	18	5
private static void removeLosers() in maven-resolver-util/src/main/java/org/eclipse/aether/util/graph/transformer/ConflictResolver.java	66	18	1
SocketChannel createClient() in maven-resolver-named-locks-ipc/src/main/java/org/eclipse/aether/named/ipc/IpcClient.java	137	17	0
public final CollectResult collectDependencies() in maven-resolver-impl/src/main/java/org/eclipse/aether/internal/impl/collect/DependencyCollectorDelegate.java	124	17	2
private DeployResult deploy() in maven-resolver-impl/src/main/java/org/eclipse/aether/internal/impl/DefaultDeployer.java	97	17	3
private void processDependency() in maven-resolver-impl/src/main/java/org/eclipse/aether/internal/impl/collect/bf/BfDependencyCollector.java	117	16	5
public Item toItem() in maven-resolver-util/src/main/java/org/eclipse/aether/util/version/GenericVersion.java	41	16	0
public List aggregateRepositories() in maven-resolver-impl/src/main/java/org/eclipse/aether/internal/impl/DefaultRemoteRepositoryManager.java	61	15	4
public DependencyNode transformGraph() in maven-resolver-util/src/main/java/org/eclipse/aether/util/graph/transformer/ConflictResolver.java	72	15	2
public int compareTo() in maven-resolver-util/src/main/java/org/eclipse/aether/util/version/GenericVersion.java	43	15	1
private UnionVersionRange() in maven-resolver-util/src/main/java/org/eclipse/aether/util/version/UnionVersionRange.java	40	15	1
protected void implPut() in maven-resolver-transport-jetty/src/main/java/org/eclipse/aether/transport/jetty/JettyTransporter.java	56	14	1
public void handle() in maven-resolver-transport-apache/src/main/java/org/eclipse/aether/transport/apache/ApacheTransporter.java	55	14	1
private void processDependency() in maven-resolver-impl/src/main/java/org/eclipse/aether/internal/impl/collect/df/DfDependencyCollector.java	119	14	11
private void validate() in maven-resolver-impl/src/main/java/org/eclipse/aether/impl/scope/BuildScopeQuery.java	11	14	2
private void analyze() in maven-resolver-util/src/main/java/org/eclipse/aether/util/graph/transformer/ConflictMarker.java	50	14	4
public boolean next() in maven-resolver-util/src/main/java/org/eclipse/aether/util/version/GenericVersion.java	44	14	0
private static String basedir() in maven-resolver-api/src/main/java/org/eclipse/aether/repository/RepositoryUriUtils.java	30	13	1
public void checkArtifact() in maven-resolver-impl/src/main/java/org/eclipse/aether/internal/impl/DefaultUpdateCheckManager.java	57	13	2
public void checkMetadata() in maven-resolver-impl/src/main/java/org/eclipse/aether/internal/impl/DefaultUpdateCheckManager.java	57	13	2
boolean push() in maven-resolver-util/src/main/java/org/eclipse/aether/util/graph/transformer/ConflictResolver.java	57	13	2
static boolean matchPattern() in maven-resolver-util/src/main/java/org/eclipse/aether/util/repository/DefaultMirrorSelector.java	30	13	2
private static Throwable getSmartCause() in maven-resolver-api/src/main/java/org/eclipse/aether/resolution/ArtifactResolutionException.java	29	12	1
public boolean equals() in maven-resolver-api/src/main/java/org/eclipse/aether/repository/RemoteRepository.java	18	12	1
private InstallResult install() in maven-resolver-impl/src/main/java/org/eclipse/aether/internal/impl/DefaultInstaller.java	66	12	3
private boolean validateArtifactChecksums() in maven-resolver-impl/src/main/java/org/eclipse/aether/internal/impl/resolution/TrustedChecksumsArtifactResolverPostProcessor.java	59	12	4
public void validateCollectRequest() in maven-resolver-impl/src/main/java/org/eclipse/aether/internal/impl/DefaultRepositorySystemValidator.java	42	12	2
public DependencyTraverser deriveChildTraverser() in maven-resolver-util/src/main/java/org/eclipse/aether/util/graph/traverser/AndDependencyTraverser.java	38	12	1
public DependencySelector deriveChildSelector() in maven-resolver-util/src/main/java/org/eclipse/aether/util/graph/selector/AndDependencySelector.java	38	12	1
private void prepare() in maven-resolver-transport-apache/src/main/java/org/eclipse/aether/transport/apache/ApacheTransporter.java	20	11	2
public void acquire() in maven-resolver-impl/src/main/java/org/eclipse/aether/internal/impl/synccontext/named/NamedLockFactoryAdapter.java	57	11	2
private RepositoryPolicy merge() in maven-resolver-impl/src/main/java/org/eclipse/aether/internal/impl/DefaultRemoteRepositoryManager.java	20	11	4
protected void doCollectDependencies() in maven-resolver-impl/src/main/java/org/eclipse/aether/internal/impl/collect/bf/BfDependencyCollector.java	67	11	11
public static R retry() in maven-resolver-named-locks/src/main/java/org/eclipse/aether/named/support/Retry.java	39	11	6
public static R retry() in maven-resolver-named-locks/src/main/java/org/eclipse/aether/named/support/Retry.java	35	11	5
private static String expand() in maven-resolver-util/src/main/java/org/eclipse/aether/util/artifact/SubArtifact.java	29	11	2
public void selectVersion() in maven-resolver-util/src/main/java/org/eclipse/aether/util/graph/transformer/NearestVersionSelector.java	29	11	1
private int topsortConflictIds() in maven-resolver-util/src/main/java/org/eclipse/aether/util/graph/transformer/ConflictIdSorter.java	34	11	2
public void selectVersion() in maven-resolver-util/src/main/java/org/eclipse/aether/util/graph/transformer/ConfigurableVersionSelector.java	29	11	1
static boolean matchesType() in maven-resolver-util/src/main/java/org/eclipse/aether/util/repository/DefaultMirrorSelector.java	25	11	2