apache / maven-pmd-plugin - 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 280 units with 2,304 lines of code in units (58.1% of code).

0 very complex units (0 lines of code)
1 complex units (78 lines of code)
2 medium complex units (138 lines of code)
14 simple units (386 lines of code)
263 very simple units (1,702 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
protected Map getFilesToProcess() in src/main/java/org/apache/maven/plugins/pmd/AbstractPmdReport.java	78	30	0
private PmdResult run() in src/main/java/org/apache/maven/plugins/pmd/exec/PmdExecutor.java	97	24	0
protected void executeCheck() in src/main/java/org/apache/maven/plugins/pmd/AbstractPmdViolationCheckMojo.java	41	14	4
protected boolean canGenerateReportInternal() in src/main/java/org/apache/maven/plugins/pmd/AbstractPmdReport.java	25	10	0
private String determineAuxClasspath() in src/main/java/org/apache/maven/plugins/pmd/PmdReport.java	45	10	0
private void executePmd() in src/main/java/org/apache/maven/plugins/pmd/PmdReport.java	41	9	0
private String extractClassName() in src/main/java/org/apache/maven/plugins/pmd/ExcludeViolationsFromFile.java	15	8	3
public static Renderer createRenderer() in src/main/java/org/apache/maven/plugins/pmd/exec/PmdExecutor.java	23	8	2
private void renderViolationsByPriority() in src/main/java/org/apache/maven/plugins/pmd/PmdReportRenderer.java	32	8	0
private String getMessage() in src/main/java/org/apache/maven/plugins/pmd/AbstractPmdViolationCheckMojo.java	33	8	5
private String determineRulesetFilename() in src/main/java/org/apache/maven/plugins/pmd/PmdReport.java	20	8	1
public void loadExcludeFromFailuresData() in src/main/java/org/apache/maven/plugins/pmd/ExcludeViolationsFromFile.java	24	7	1
private CpdResult run() in src/main/java/org/apache/maven/plugins/pmd/exec/CpdExecutor.java	38	7	0
public static CPDReportRenderer createRenderer() in src/main/java/org/apache/maven/plugins/pmd/exec/CpdExecutor.java	21	7	2
private void renderViolationsTable() in src/main/java/org/apache/maven/plugins/pmd/PmdReportRenderer.java	32	7	1
protected final Toolchain getToolchain() in src/main/java/org/apache/maven/plugins/pmd/AbstractPmdReport.java	25	6	0
public void setLanguageAndVersion() in src/main/java/org/apache/maven/plugins/pmd/exec/PmdRequest.java	12	6	2
private Set modulesForAggregatedProject() in src/main/java/org/apache/maven/plugins/pmd/AbstractPmdReport.java	18	5	2
private void executeCpd() in src/main/java/org/apache/maven/plugins/pmd/CpdReport.java	35	5	0
private void renderDuplications() in src/main/java/org/apache/maven/plugins/pmd/CpdReportRenderer.java	30	5	0
private static PmdResult fork() in src/main/java/org/apache/maven/plugins/pmd/exec/PmdExecutor.java	33	5	1
private Report processFilesWithPMD() in src/main/java/org/apache/maven/plugins/pmd/exec/PmdExecutor.java	27	5	2
private File writeReport() in src/main/java/org/apache/maven/plugins/pmd/exec/PmdExecutor.java	21	5	2
public int read() in src/main/java/org/apache/maven/plugins/pmd/exec/PmdResult.java	15	5	3
private static CpdResult fork() in src/main/java/org/apache/maven/plugins/pmd/exec/CpdExecutor.java	33	5	1
static void buildClasspath() in src/main/java/org/apache/maven/plugins/pmd/exec/Executor.java	14	5	2
private ViolationDetails getViolations() in src/main/java/org/apache/maven/plugins/pmd/AbstractPmdViolationCheckMojo.java	21	5	2
private boolean isExcludedFromFailure() in src/main/java/org/apache/maven/plugins/pmd/ExcludeDuplicationsFromFile.java	9	4	1
public void loadExcludeFromFailuresData() in src/main/java/org/apache/maven/plugins/pmd/ExcludeDuplicationsFromFile.java	12	4	1
private boolean isDirectoryExcluded() in src/main/java/org/apache/maven/plugins/pmd/AbstractPmdReport.java	20	4	2
public boolean canGenerateReport() in src/main/java/org/apache/maven/plugins/pmd/CpdReport.java	13	4	0
private void generateFileLine() in src/main/java/org/apache/maven/plugins/pmd/CpdReportRenderer.java	27	4	1
public void accept() in src/main/java/org/apache/maven/plugins/pmd/exec/CpdReportConsumer.java	11	4	1
private void writeXmlReport() in src/main/java/org/apache/maven/plugins/pmd/exec/CpdReportConsumer.java	10	4	1
private File writeReport() in src/main/java/org/apache/maven/plugins/pmd/exec/CpdReportConsumer.java	15	4	3
private void writeXmlReport() in src/main/java/org/apache/maven/plugins/pmd/exec/PmdExecutor.java	10	4	1
private void loadResult() in src/main/java/org/apache/maven/plugins/pmd/exec/PmdResult.java	17	4	2
private String getFilename() in src/main/java/org/apache/maven/plugins/pmd/PmdViolationCheckMojo.java	12	4	2
private void outputLineLink() in src/main/java/org/apache/maven/plugins/pmd/PmdReportRenderer.java	13	4	2
private String makeFileSectionName() in src/main/java/org/apache/maven/plugins/pmd/PmdReportRenderer.java	6	4	2
public boolean canGenerateReport() in src/main/java/org/apache/maven/plugins/pmd/PmdReport.java	13	4	0
private List resolveRulesets() in src/main/java/org/apache/maven/plugins/pmd/PmdReport.java	23	4	0
protected String getLocationTemp() in src/main/java/org/apache/maven/plugins/pmd/PmdReport.java	16	4	2
private boolean duplicationExcludedByGroup() in src/main/java/org/apache/maven/plugins/pmd/ExcludeDuplicationsFromFile.java	8	3	2
private boolean fileExcludedByGroup() in src/main/java/org/apache/maven/plugins/pmd/ExcludeDuplicationsFromFile.java	9	3	2
private String getIncludes() in src/main/java/org/apache/maven/plugins/pmd/AbstractPmdReport.java	10	3	0
protected String determineCurrentRootLogLevel() in src/main/java/org/apache/maven/plugins/pmd/AbstractPmdReport.java	10	3	0
private String getErrorsAsString() in src/main/java/org/apache/maven/plugins/pmd/exec/PmdExecutor.java	10	3	2
private Report removeExcludedViolations() in src/main/java/org/apache/maven/plugins/pmd/exec/PmdExecutor.java	19	3	1
public int read() in src/main/java/org/apache/maven/plugins/pmd/exec/PmdResult.java	10	3	0