apache / commons-io - 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 2,790 units with 14,191 lines of code in units (65.4% of code).

0 very complex units (0 lines of code)
3 complex units (184 lines of code)
15 medium complex units (704 lines of code)
57 simple units (1,340 lines of code)
2,715 very simple units (11,963 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 static String doNormalize() in src/main/java/org/apache/commons/io/FilenameUtils.java	79	31	3
public static int getPrefixLength() in src/main/java/org/apache/commons/io/FilenameUtils.java	59	30	1
String calculateRawEncoding() in src/main/java/org/apache/commons/io/input/XmlStreamReader.java	46	27	3
public String readLine() in src/main/java/org/apache/commons/io/input/UnsynchronizedBufferedReader.java	62	24	0
public int read() in src/main/java/org/apache/commons/io/input/UnsynchronizedBufferedInputStream.java	59	23	3
private static boolean isIPv6Address() in src/main/java/org/apache/commons/io/FilenameUtils.java	57	22	1
String calculateHttpEncoding() in src/main/java/org/apache/commons/io/input/XmlStreamReader.java	49	20	5
public void run() in src/main/java/org/apache/commons/io/input/Tailer.java	70	19	0
public static boolean wildcardMatch() in src/main/java/org/apache/commons/io/FilenameUtils.java	56	18	3
public int read() in src/main/java/org/apache/commons/io/input/UnsynchronizedBufferedReader.java	33	16	3
public static boolean contentEquals() in src/main/java/org/apache/commons/io/IOUtils.java	41	15	2
public static boolean directoryAndFileContentEquals() in src/main/java/org/apache/commons/io/file/PathUtils.java	34	14	5
public ReversedLinesFileReader() in src/main/java/org/apache/commons/io/input/ReversedLinesFileReader.java	41	13	3
public static boolean fileContentEquals() in src/main/java/org/apache/commons/io/file/PathUtils.java	39	13	4
private void readAsync() in src/main/java/org/apache/commons/io/input/ReadAheadInputStream.java	63	12	0
public static boolean contentEquals() in src/main/java/org/apache/commons/io/channels/FileChannels.java	36	11	3
public int read() in src/main/java/org/apache/commons/io/input/CharSequenceInputStream.java	28	11	3
public static PathCounters deleteFile() in src/main/java/org/apache/commons/io/file/PathUtils.java	36	11	3
public static void dump() in src/main/java/org/apache/commons/io/HexDump.java	43	10	5
private RelativeSortedPaths() in src/main/java/org/apache/commons/io/file/PathUtils.java	36	10	5
private static int indexOf() in src/main/java/org/apache/commons/io/FileSystem.java	28	10	3
public static boolean contentEquals() in src/main/java/org/apache/commons/io/FileUtils.java	24	9	2
static String decodeUrl() in src/main/java/org/apache/commons/io/FileUtils.java	30	9	1
private int fillBuffer() in src/main/java/org/apache/commons/io/input/UnsynchronizedBufferedInputStream.java	27	9	2
public long skip() in src/main/java/org/apache/commons/io/input/UnsynchronizedBufferedInputStream.java	32	9	1
private long readLines() in src/main/java/org/apache/commons/io/input/Tailer.java	41	9	1
private int fillBuf() in src/main/java/org/apache/commons/io/input/UnsynchronizedBufferedReader.java	30	9	0
private static String getXmlProlog() in src/main/java/org/apache/commons/io/input/XmlStreamReader.java	38	9	2
private String readLine() in src/main/java/org/apache/commons/io/input/ReversedLinesFileReader.java	33	9	0
public static RandomAccessFileMode valueOf() in src/main/java/org/apache/commons/io/RandomAccessFileMode.java	27	9	1
public boolean refresh() in src/main/java/org/apache/commons/io/monitor/FileEntry.java	17	9	1
public int compare() in src/main/java/org/apache/commons/io/comparator/SizeFileComparator.java	22	9	2
private void detectEncoding() in src/main/java/org/apache/commons/io/output/XmlStreamWriter.java	36	9	3
public static boolean contentEqualsIgnoreEOL() in src/main/java/org/apache/commons/io/FileUtils.java	26	8	3
private static void listFiles() in src/main/java/org/apache/commons/io/FileUtils.java	16	8	4
public int read() in src/main/java/org/apache/commons/io/input/UnsynchronizedBufferedInputStream.java	20	8	0
public int read() in src/main/java/org/apache/commons/io/input/CharSequenceReader.java	38	8	3
private void fillBuffer() in src/main/java/org/apache/commons/io/input/ReaderInputStream.java	25	8	0
public int read() in src/main/java/org/apache/commons/io/input/ReaderInputStream.java	24	8	3
public static long copyLarge() in src/main/java/org/apache/commons/io/IOUtils.java	24	8	5
public static long copyLarge() in src/main/java/org/apache/commons/io/IOUtils.java	24	8	5
private static String doGetFullPath() in src/main/java/org/apache/commons/io/FilenameUtils.java	24	8	2
public static String byteCountToDisplaySize() in src/main/java/org/apache/commons/io/FileUtils.java	20	7	1
public int read() in src/main/java/org/apache/commons/io/input/WindowsLineEndingInputStream.java	24	7	0
public long skip() in src/main/java/org/apache/commons/io/input/UnsynchronizedBufferedReader.java	27	7	1
public boolean peek() in src/main/java/org/apache/commons/io/input/buffer/CircularByteBuffer.java	22	7	3
public void read() in src/main/java/org/apache/commons/io/input/buffer/CircularByteBuffer.java	26	7	3
private String doLenientDetection() in src/main/java/org/apache/commons/io/input/XmlStreamReader.java	19	7	2
private void checkAndFire() in src/main/java/org/apache/commons/io/monitor/FileAlterationObserver.java	25	7	3
public boolean hasNext() in src/main/java/org/apache/commons/io/LineIterator.java	24	7	0