apache / logging-log4j-transform - 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 451 units with 3,277 lines of code in units (59.9% of code).

0 very complex units (0 lines of code)
1 complex units (49 lines of code)
3 medium complex units (136 lines of code)
13 simple units (375 lines of code)
434 very simple units (2,717 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
public void handleMethodInstruction() in log4j-weaver/src/main/java/org/apache/logging/log4j/weaver/log4j2/LoggerConversionHandler.java	49	29	3
private ObjectNode convertToObjectNode() in log4j-converter-config/src/main/java/org/apache/logging/converter/config/internal/v2/AbstractJacksonConfigurationMapper.java	44	12	3
private void handleTraceExit() in log4j-weaver/src/main/java/org/apache/logging/log4j/weaver/log4j2/LoggerConversionHandler.java	48	12	2
private void handleLogMethods() in log4j-weaver/src/main/java/org/apache/logging/log4j/weaver/log4j2/LoggerConversionHandler.java	44	11	3
public ConfigurationNode parse() in log4j-converter-config/src/main/java/org/apache/logging/converter/config/internal/v2/PropertiesV2ConfigurationParser.java	60	10	1
public Handle createLambda() in log4j-weaver/src/main/java/org/apache/logging/log4j/weaver/LocationCacheGenerator.java	22	10	2
private ConfigurationNode parse() in log4j-converter-config/src/main/java/org/apache/logging/converter/config/internal/v1/XmlV1ConfigurationParser.java	43	8	1
private void createLogBuilder() in log4j-weaver/src/main/java/org/apache/logging/log4j/weaver/log4j2/LoggerConversionHandler.java	29	8	2
public ConfigurationNode get() in log4j-converter-config/src/main/java/org/apache/logging/converter/config/internal/v1/layout/TTCCLayoutParser.java	29	7	0
static Plugin fromJson() in log4j-converter-plugin-descriptor/src/main/java/org/apache/logging/log4j/converter/plugins/internal/PluginDescriptors.java	31	7	2
private void handleTraceEntry() in log4j-weaver/src/main/java/org/apache/logging/log4j/weaver/log4j2/LoggerConversionHandler.java	37	7	2
private static List formatRows() in log4j-transform-cli/src/main/java/org/apache/logging/log4j/transform/cli/ConfigurationFileCommands.java	28	7	1
public void setDateFormat() in log4j-converter-config/src/main/java/org/apache/logging/converter/config/internal/v1/layout/TTCCLayoutParser.java	20	6	1
protected ConfigurationNodeBuilder addStandardChildren() in log4j-converter-config/src/main/java/org/apache/logging/converter/config/internal/v1/appender/AbstractAppenderParser.java	14	6	1
private List findBuilderClassHierarchy() in log4j-converter-plugin-descriptor/src/main/java/org/apache/logging/log4j/converter/plugins/internal/PluginDescriptors.java	18	6	1
public void filter() in log4j-converter-plugin-descriptor/src/main/java/org/apache/logging/log4j/converter/plugins/internal/ReflectConfigFilter.java	18	6	2
private boolean validateLog4jVersion() in log4j-transform-maven-plugin/src/main/java/org/apache/logging/log4j/transform/maven/LocationMojo.java	26	6	0
private static ConfigurationNode parseObjectNode() in log4j-converter-config/src/main/java/org/apache/logging/converter/config/internal/v2/AbstractJacksonConfigurationMapper.java	17	5	2
private static void processChildElement() in log4j-converter-config/src/main/java/org/apache/logging/converter/config/internal/v2/XmlConfigurationMapper.java	15	5	2
private LoggerConfig parseLoggerChildren() in log4j-converter-config/src/main/java/org/apache/logging/converter/config/internal/v1/XmlV1ConfigurationParser.java	21	5	2
private ConfigurationNode createTriggeringPolicy() in log4j-converter-config/src/main/java/org/apache/logging/converter/config/internal/v1/appender/RollingFileAppenderParser.java	22	5	0
private void handleChildrenElements() in log4j-converter-config/src/main/java/org/apache/logging/converter/config/internal/v1/AbstractComponentParser.java	29	5	4
public static String getXPathExpression() in log4j-converter-config/src/main/java/org/apache/logging/converter/config/internal/XmlUtils.java	14	5	1
private void handleCatchingThrowing() in log4j-weaver/src/main/java/org/apache/logging/log4j/weaver/log4j2/LoggerConversionHandler.java	20	5	3
public ConfigurationNode parse() in log4j-converter-config/src/main/java/org/apache/logging/converter/config/internal/v2/AbstractJacksonConfigurationMapper.java	13	4	1
public ConfigurationNode parse() in log4j-converter-config/src/main/java/org/apache/logging/converter/config/internal/v2/XmlConfigurationMapper.java	18	4	1
private static void processAttributes() in log4j-converter-config/src/main/java/org/apache/logging/converter/config/internal/v2/XmlConfigurationMapper.java	9	4	2
private static void writeNodeContentToStreamWriter() in log4j-converter-config/src/main/java/org/apache/logging/converter/config/internal/v2/XmlConfigurationMapper.java	17	4	2
public void convert() in log4j-converter-config/src/main/java/org/apache/logging/converter/config/internal/DefaultConfigurationConverter.java	21	4	4
private Plugin merge() in log4j-converter-plugin-descriptor/src/main/java/org/apache/logging/log4j/converter/plugins/internal/PluginDescriptors.java	17	4	1
private static Class findBuilderClass() in log4j-converter-plugin-descriptor/src/main/java/org/apache/logging/log4j/converter/plugins/internal/PluginDescriptors.java	12	4	1
public void execute() in log4j-transform-maven-plugin/src/main/java/org/apache/logging/log4j/transform/maven/LocationMojo.java	25	4	0
protected ClassFileInclusionScanner getClassFileInclusionScanner() in log4j-transform-maven-plugin/src/main/java/org/apache/logging/log4j/transform/maven/LocationMojo.java	11	4	0
private static void writeEntryExitMessage() in log4j-weaver/src/main/java/org/apache/logging/log4j/weaver/LocationCacheGenerator.java	22	4	2
void relocatePlugin() in log4j-transform-maven-shade-plugin-extensions/src/main/java/org/apache/logging/log4j/maven/plugins/shade/transformer/Log4j2PluginCacheFileTransformer.java	15	4	2
private static String getPluginName() in log4j-converter-config/src/main/java/org/apache/logging/converter/config/internal/v2/AbstractJacksonConfigurationMapper.java	5	3	2
private JsonNode convertToJsonNode() in log4j-converter-config/src/main/java/org/apache/logging/converter/config/internal/v2/AbstractJacksonConfigurationMapper.java	10	3	2
private static ConfigurationNode processLogger() in log4j-converter-config/src/main/java/org/apache/logging/converter/config/internal/v2/PropertiesV2ConfigurationParser.java	23	3	1
private static ConfigurationNode wrapFilters() in log4j-converter-config/src/main/java/org/apache/logging/converter/config/internal/v2/PropertiesV2ConfigurationParser.java	8	3	1
private static ConfigurationNode processRootLogger() in log4j-converter-config/src/main/java/org/apache/logging/converter/config/internal/v2/PropertiesV2ConfigurationParser.java	16	3	1
private static void processRemainingProperties() in log4j-converter-config/src/main/java/org/apache/logging/converter/config/internal/v2/PropertiesV2ConfigurationParser.java	14	3	2
private static Stream partitionOnGivenPrefixes() in log4j-converter-config/src/main/java/org/apache/logging/converter/config/internal/v2/PropertiesV2ConfigurationParser.java	9	3	2
private static boolean isComplexElement() in log4j-converter-config/src/main/java/org/apache/logging/converter/config/internal/v2/XmlConfigurationMapper.java	9	3	1
private static void formatTo() in log4j-converter-config/src/main/java/org/apache/logging/converter/config/internal/ComponentUtils.java	20	3	3
public ConfigurationNode parse() in log4j-converter-config/src/main/java/org/apache/logging/converter/config/internal/v1/XmlV1ConfigurationParser.java	13	3	1
private ConfigurationNode parseRootLogger() in log4j-converter-config/src/main/java/org/apache/logging/converter/config/internal/v1/PropertiesV1ConfigurationParser.java	16	3	1
private List parseLoggers() in log4j-converter-config/src/main/java/org/apache/logging/converter/config/internal/v1/PropertiesV1ConfigurationParser.java	32	3	1
void setLevel() in log4j-converter-config/src/main/java/org/apache/logging/converter/config/internal/v1/LoggerConfig.java	3	3	1
void setLevelAndRefs() in log4j-converter-config/src/main/java/org/apache/logging/converter/config/internal/v1/LoggerConfig.java	11	3	1
protected void addFileAttributes() in log4j-converter-config/src/main/java/org/apache/logging/converter/config/internal/v1/appender/AbstractFileAppenderParser.java	14	3	1