apache / commons-net - 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 1,645 units with 10,504 lines of code in units (68.1% of code).

0 very complex units (0 lines of code)
4 complex units (381 lines of code)
24 medium complex units (1,343 lines of code)
52 simple units (1,447 lines of code)
1,565 very simple units (7,333 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 void gatherSubjects() in src/main/java/org/apache/commons/net/nntp/Threader.java	82	32	1
private Socket openDataSecureConnection() in src/main/java/org/apache/commons/net/ftp/FTPSClient.java	88	31	2
private int read() in src/main/java/org/apache/commons/net/telnet/TelnetInputStream.java	131	30	1
protected Socket _openDataConnection_() in src/main/java/org/apache/commons/net/ftp/FTPClient.java	80	28	2
public FTPFile parseFTPEntry() in src/main/java/org/apache/commons/net/ftp/parser/MLSxEntryParser.java	90	25	1
private void simplifySubject() in src/main/java/org/apache/commons/net/nntp/Article.java	40	24	0
public FTPFile parseFTPEntry() in src/main/java/org/apache/commons/net/ftp/parser/OS400FTPEntryParser.java	67	22	1
public void sendFile() in src/main/java/org/apache/commons/net/tftp/TFTPClient.java	93	20	5
public int receiveFile() in src/main/java/org/apache/commons/net/tftp/TFTPClient.java	94	19	5
public FTPFile parseFTPEntry() in src/main/java/org/apache/commons/net/ftp/parser/UnixFTPEntryParser.java	83	19	1
private void buildContainer() in src/main/java/org/apache/commons/net/nntp/Threader.java	63	19	2
public int read() in src/main/java/org/apache/commons/net/telnet/TelnetInputStream.java	71	19	0
private FTPFileEntryParser createFileEntryParser() in src/main/java/org/apache/commons/net/ftp/parser/DefaultFTPFileEntryParserFactory.java	47	18	2
public FTPFile parseFTPEntry() in src/main/java/org/apache/commons/net/ftp/parser/MacOsPeterFTPEntryParser.java	78	18	1
public void computeDetails() in src/main/java/org/apache/commons/net/ntp/TimeInfo.java	58	15	0
private int getReply() in src/main/java/org/apache/commons/net/ftp/FTP.java	44	14	1
public int read() in src/main/java/org/apache/commons/net/io/DotTerminatedMessageReader.java	52	13	0
void processDo() in src/main/java/org/apache/commons/net/telnet/Telnet.java	41	13	1
private void doUnixPerms() in src/main/java/org/apache/commons/net/ftp/parser/MLSxEntryParser.java	37	12	2
public List preParse() in src/main/java/org/apache/commons/net/ftp/parser/MVSFTPEntryParser.java	27	12	1
private void pruneEmptyContainers() in src/main/java/org/apache/commons/net/nntp/Threader.java	34	12	1
public NewGroupsOrNewsQuery() in src/main/java/org/apache/commons/net/nntp/NewGroupsOrNewsQuery.java	75	12	2
public boolean auth() in src/main/java/org/apache/commons/net/imap/AuthenticatingIMAPClient.java	50	12	3
public int getReply() in src/main/java/org/apache/commons/net/smtp/SMTP.java	34	11	0
void createParser() in src/main/java/org/apache/commons/net/ftp/FTPClient.java	30	11	1
static NewsgroupInfo parseNewsgroupListEntry() in src/main/java/org/apache/commons/net/nntp/NNTPClient.java	40	11	1
public void run() in src/main/java/org/apache/commons/net/telnet/TelnetInputStream.java	50	11	0
public void write() in src/main/java/org/apache/commons/net/telnet/TelnetOutputStream.java	45	11	1
public static long copyStream() in src/main/java/org/apache/commons/net/io/Util.java	36	10	6
protected Socket _openDataConnection_() in src/main/java/org/apache/commons/net/ftp/FTPHTTPClient.java	34	10	2
private BufferedReader tunnelHandshake() in src/main/java/org/apache/commons/net/ftp/FTPHTTPClient.java	43	10	4
private static int getEntry() in src/main/java/org/apache/commons/net/ftp/parser/FTPTimestampParserImpl.java	26	10	1
private void getReply() in src/main/java/org/apache/commons/net/imap/IMAP.java	41	10	1
void processDont() in src/main/java/org/apache/commons/net/telnet/Telnet.java	25	10	1
void processWill() in src/main/java/org/apache/commons/net/telnet/Telnet.java	32	10	1
void processWont() in src/main/java/org/apache/commons/net/telnet/Telnet.java	25	10	1
public String toFormattedString() in src/main/java/org/apache/commons/net/ftp/FTPFile.java	44	9	1
public FTPFile parseFTPEntry() in src/main/java/org/apache/commons/net/ftp/parser/NTFTPEntryParser.java	33	9	1
public List preParse() in src/main/java/org/apache/commons/net/ftp/parser/VMSVersioningFTPEntryParser.java	37	9	1
protected void _parsePassiveModeReply() in src/main/java/org/apache/commons/net/ftp/FTPClient.java	34	9	1
public Threadable thread() in src/main/java/org/apache/commons/net/nntp/Threader.java	31	9	1
void flush() in src/main/java/org/apache/commons/net/nntp/NntpThreadContainer.java	21	9	0
public static String getModeName() in src/main/java/org/apache/commons/net/ntp/NtpUtils.java	22	9	1
public boolean isAvailable() in src/main/java/org/apache/commons/net/SocketClient.java	30	9	0
void processSuboption() in src/main/java/org/apache/commons/net/telnet/Telnet.java	20	9	2
public static long copyReader() in src/main/java/org/apache/commons/net/io/Util.java	32	8	5
public boolean auth() in src/main/java/org/apache/commons/net/smtp/AuthenticatingSMTPClient.java	32	8	3
public FTPFile parseFTPEntry() in src/main/java/org/apache/commons/net/ftp/parser/VMSFTPEntryParser.java	56	8	1
public Calendar parseTimestamp() in src/main/java/org/apache/commons/net/ftp/parser/FTPTimestampParserImpl.java	36	8	2
private FTPFile parseFileList() in src/main/java/org/apache/commons/net/ftp/parser/MVSFTPEntryParser.java	26	8	1