apache / logging-chainsawConditional 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 1,462 units with 16,503 lines of code in units (73.1% of code).

2 very complex units (1,491 lines of code)
4 complex units (660 lines of code)
26 medium complex units (1,585 lines of code)
77 simple units (2,391 lines of code)
1,353 very simple units (10,376 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 LogPanel() in src/main/java/org/apache/log4j/chainsaw/LogPanel.java	1241	117	6
public Component getTableCellRendererComponent() in src/main/java/org/apache/log4j/chainsaw/TableColorizingRenderer.java	250	62	6
public void activateViewer() in src/main/java/org/apache/log4j/chainsaw/LogUI.java	333	41	0
public void run() in src/main/java/org/apache/log4j/chainsaw/vfs/VFSLogFilePatternReceiver.java	138	36	0
public int compare() in src/main/java/org/apache/log4j/chainsaw/ColumnComparator.java	89	35	2
protected void initialize() in src/main/java/org/apache/log4j/varia/LogFilePatternReceiver.java	100	27	0
private Vector decodeEvents() in src/main/java/org/apache/log4j/xml/UtilLoggingXMLDecoder.java	105	25	1
private Vector decodeEvents() in src/main/java/org/apache/log4j/xml/XMLDecoder.java	132	25	1
public Object getValueAt() in src/main/java/org/apache/log4j/chainsaw/ChainsawCyclicBufferTableModel.java	48	22	2
public Object getValue() in src/main/java/org/apache/log4j/spi/LoggingEventFieldResolver.java	44	22	2
public void receiveChainsawEventBatch() in src/main/java/org/apache/log4j/chainsaw/LogPanel.java	63	19	1
public void activateOptions() in src/main/java/org/apache/log4j/chainsaw/vfs/VFSLogFilePatternReceiver.java	80	18	0
String infixToPostFix() in src/main/java/org/apache/log4j/rule/InFixToPostFix.java	56	18	1
protected void process() in src/main/java/org/apache/log4j/varia/LogFilePatternReceiver.java	55	16	1
private void setupListeners() in src/main/java/org/apache/log4j/chainsaw/LoggerNameTreePanel.java	68	15	0
public int findColoredRow() in src/main/java/org/apache/log4j/chainsaw/ChainsawCyclicBufferTableModel.java	38	14	2
private ChainsawLoggingEvent convertToEvent() in src/main/java/org/apache/log4j/varia/LogFilePatternReceiver.java	68	14	2
public Rule compileExpression() in src/main/java/org/apache/log4j/rule/ExpressionRule.java	38	14	1
public Rule getRule() in src/main/java/org/apache/log4j/rule/RuleFactory.java	39	14	2
public void parseInput() in src/main/java/org/apache/log4j/rule/InFixToPostFix.java	41	14	2
private void loadDefaultColumnSettings() in src/main/java/org/apache/log4j/chainsaw/LogPanel.java	64	13	1
private void loadSettings() in src/main/java/org/apache/log4j/chainsaw/LogPanel.java	67	12	0
public void apply() in src/main/java/org/apache/log4j/chainsaw/ApplicationPreferenceModel.java	43	12	1
public boolean evaluate() in src/main/java/org/apache/log4j/chainsaw/LoggerNameTreePanel.java	15	12	2
private ChainsawReceiver getReceiver() in src/main/java/org/apache/log4j/chainsaw/zeroconf/ZeroConfPlugin.java	45	12	1
private void updateDetailPane() in src/main/java/org/apache/log4j/chainsaw/LogPanel.java	39	11	1
public void paintComponent() in src/main/java/org/apache/log4j/chainsaw/LogPanel.java	46	11	1
public void actionPerformed() in src/main/java/org/apache/log4j/chainsaw/FileSaveAction.java	40	11	1
public ReceiversPanel() in src/main/java/org/apache/log4j/chainsaw/receivers/ReceiversPanel.java	221	11	2
public boolean evaluate() in src/main/java/org/apache/log4j/chainsaw/LoggerNameTreePanel.java	8	11	2
private void setupListeners() in src/main/java/org/apache/log4j/chainsaw/LogPanelPreferencePanel.java	76	11	0
public void start() in src/main/java/org/apache/log4j/xml/LogFileXMLReceiver.java	46	11	0
public void reFilter() in src/main/java/org/apache/log4j/chainsaw/ChainsawCyclicBufferTableModel.java	53	10	0
public int locate() in src/main/java/org/apache/log4j/chainsaw/ChainsawCyclicBufferTableModel.java	30	10	3
private String getValueOf() in src/main/java/org/apache/log4j/chainsaw/LogPanel.java	28	10	2
public static void main() in src/main/java/org/apache/log4j/chainsaw/LogUI.java	33	10	1
public static File promptForFile() in src/main/java/org/apache/log4j/chainsaw/helper/SwingHelper.java	44	10	4
public void start() in src/main/java/org/apache/log4j/varia/LogFilePatternReceiver.java	51	10	0
public boolean evaluate() in src/main/java/org/apache/log4j/rule/InequalityRule.java	33	10	2
public Component getTreeCellRendererComponent() in src/main/java/org/apache/log4j/chainsaw/receivers/ReceiverTreeCellRenderer.java	45	9	7
private void expandCurrentlySelectedNode() in src/main/java/org/apache/log4j/chainsaw/LoggerNameTreePanel.java	38	9	0
private void deviceDiscovered() in src/main/java/org/apache/log4j/chainsaw/zeroconf/ZeroConfPlugin.java	34	9	1
private void setupListeners() in src/main/java/org/apache/log4j/chainsaw/ApplicationPreferenceModelPanel.java	58	9	0
private void parseIncomingData() in src/main/java/org/apache/log4j/net/JsonReceiver.java	35	9	1
private String quoteTimeStampChars() in src/main/java/org/apache/log4j/varia/LogFilePatternReceiver.java	20	9	1
public boolean evaluate() in src/main/java/org/apache/log4j/rule/OrRule.java	35	9	2
public boolean evaluate() in src/main/java/org/apache/log4j/rule/AndRule.java	33	9	2
public boolean isAddRow() in src/main/java/org/apache/log4j/chainsaw/ChainsawCyclicBufferTableModel.java	37	8	1
public void updateFindRule() in src/main/java/org/apache/log4j/chainsaw/LogPanel.java	55	8	1
private void refilter() in src/main/java/org/apache/log4j/chainsaw/LogPanel.java	22	8	0