JetBrains / xstream 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 2,536 units with 18,069 lines of code in units (49.5% of code).

1 very complex units (276 lines of code)
6 complex units (846 lines of code)
30 medium complex units (1,721 lines of code)
84 simple units (2,403 lines of code)
2,415 very simple units (12,823 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 int handleStateTransition() in xstream/src/java/com/thoughtworks/xstream/io/json/AbstractJsonWriter.java	276	103	4
public Object doUnmarshal() in xstream/src/java/com/thoughtworks/xstream/converters/reflection/AbstractReflectionConverter.java	174	45	3
public static T newInstance() in xstream/src/java/com/thoughtworks/xstream/core/util/DependencyInjectionFactory.java	156	43	3
protected void doMarshal() in xstream/src/java/com/thoughtworks/xstream/converters/reflection/AbstractReflectionConverter.java	160	41	3
private void writeText() in xstream/src/java/com/thoughtworks/xstream/io/xml/PrettyPrintWriter.java	95	38	2
private Map getHeader() in xstream/src/java/com/thoughtworks/xstream/core/util/XmlHeaderAwareReader.java	110	35	1
public void doMarshal() in xstream/src/java/com/thoughtworks/xstream/converters/reflection/SerializableConverter.java	151	32	3
public Object fromString() in xstream/src/java/com/thoughtworks/xstream/core/util/ISO8601JavaTimeConverter.java	139	25	1
public Object doUnmarshal() in xstream/src/java/com/thoughtworks/xstream/converters/reflection/SerializableConverter.java	149	23	3
public Object unmarshal() in xstream/src/java/com/thoughtworks/xstream/converters/extended/ToAttributedValueConverter.java	89	22	2
protected void populateMap() in xstream/src/java/com/thoughtworks/xstream/converters/extended/NamedMapConverter.java	58	21	4
private int compareInternal() in xstream/src/java/com/thoughtworks/xstream/io/xml/xppdom/XppDomComparator.java	75	20	4
public NamedMapConverter() in xstream/src/java/com/thoughtworks/xstream/converters/extended/NamedMapConverter.java	40	20	1
private Map createCallbackIndexMap() in xstream/src/java/com/thoughtworks/xstream/converters/reflection/CGLIBEnhancedConverter.java	81	18	1
public void marshal() in xstream/src/java/com/thoughtworks/xstream/converters/extended/ToAttributedValueConverter.java	79	18	3
public void startNode() in xstream/src/java/com/thoughtworks/xstream/io/xml/StaxWriter.java	41	17	1
private String encodeName() in xstream/src/java/com/thoughtworks/xstream/io/xml/XmlFriendlyNameCoder.java	43	17	1
public void add() in xstream/src/java/com/thoughtworks/xstream/mapper/ImplicitCollectionMapper.java	48	16	5
private String decodeName() in xstream/src/java/com/thoughtworks/xstream/io/xml/XmlFriendlyNameCoder.java	43	15	1
private void addParametrizedTypes() in xstream/src/java/com/thoughtworks/xstream/mapper/AnnotationMapper.java	53	15	2
private Converter cacheConverter() in xstream/src/java/com/thoughtworks/xstream/mapper/AnnotationMapper.java	68	15	2
public void marshal() in xstream/src/java/com/thoughtworks/xstream/converters/extended/NamedMapConverter.java	37	15	3
public void marshal() in xstream/src/java/com/thoughtworks/xstream/converters/reflection/CGLIBEnhancedConverter.java	74	14	3
public int compare() in xstream/src/java/com/thoughtworks/xstream/core/util/PresortedMap.java	23	13	2
public void setProperty() in xstream/src/java/com/thoughtworks/xstream/io/xml/SaxWriter.java	47	13	2
private void processImplicitAnnotation() in xstream/src/java/com/thoughtworks/xstream/mapper/AnnotationMapper.java	32	13	1
protected Object convert() in xstream/src/java/com/thoughtworks/xstream/core/AbstractReferenceUnmarshaller.java	41	12	3
static in xstream/src/java/com/thoughtworks/xstream/core/JVM.java	104	12	0
public Map getSerializablePersistentFields() in xstream/src/java/com/thoughtworks/xstream/core/util/SerializationMembers.java	36	12	1
private void parse() in xstream/src/java/com/thoughtworks/xstream/io/xml/SaxWriter.java	39	12	0
public String getFieldNameForItemTypeAndName() in xstream/src/java/com/thoughtworks/xstream/mapper/ImplicitCollectionMapper.java	28	12	2
private void write() in xstream/src/java/com/thoughtworks/xstream/converters/reflection/SunUnsafeReflectionProvider.java	42	12	3
public Object fromString() in xstream/src/java/com/thoughtworks/xstream/converters/basic/LongConverter.java	30	12	1
public ObjectOutputStream createObjectOutputStream() in xstream/src/java/com/thoughtworks/xstream/io/xml/TraxSource.java	85	11	3
private static String getState() in xstream/src/java/com/thoughtworks/xstream/io/json/AbstractJsonWriter.java	28	11	1
private Map buildAttributeMap() in xstream/src/java/com/thoughtworks/xstream/converters/reflection/AbstractAttributedCharacterIteratorAttributeConverter.java	35	11	1
public Object newInstance() in xstream/src/java/com/thoughtworks/xstream/converters/reflection/PureJavaReflectionProvider.java	34	11	1
public Object unmarshal() in xstream-jmh/src/java/com/thoughtworks/xstream/benchmark/jmh/ConverterTypeBenchmark.java	37	10	2
public Converter lookupConverterForType() in xstream/src/java/com/thoughtworks/xstream/core/DefaultConverterLookup.java	28	10	1
public boolean equals() in xstream/src/java/com/thoughtworks/xstream/core/util/FastField.java	18	10	1
public String getValue() in xstream/src/java/com/thoughtworks/xstream/io/xml/AbstractPullReader.java	30	10	0
public String serializedClass() in xstream/src/java/com/thoughtworks/xstream/mapper/LambdaMapper.java	24	10	1
public boolean add() in xstream/src/java/com/thoughtworks/xstream/mapper/AnnotationMapper.java	25	10	1
private DictionaryEntry buildDictionaryEntryForClass() in xstream/src/java/com/thoughtworks/xstream/converters/reflection/FieldDictionary.java	28	10	2
public Object unmarshal() in xstream/src/java/com/thoughtworks/xstream/converters/collections/TreeSetConverter.java	40	10	2
protected void populateTreeMap() in xstream/src/java/com/thoughtworks/xstream/converters/collections/TreeMapConverter.java	33	10	4
public Object fromString() in xstream/src/java/com/thoughtworks/xstream/converters/extended/StackTraceElementConverter.java	38	10	1
public void convert() in xstream/src/java/com/thoughtworks/xstream/core/AbstractReferenceMarshaller.java	66	9	2
public static void main() in xstream/src/java/com/thoughtworks/xstream/core/JVM.java	56	9	1
public String encode() in xstream/src/java/com/thoughtworks/xstream/core/util/Base64Encoder.java	19	9	1