apache / james-mime4j - 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 1,518 units with 10,922 lines of code in units (70.8% of code).

0 very complex units (0 lines of code)
1 complex units (100 lines of code)
24 medium complex units (1,082 lines of code)
69 simple units (1,695 lines of code)
1,424 very simple units (8,045 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 read0() in core/src/main/java/org/apache/james/mime4j/codec/QuotedPrintableInputStream.java	100	35	3
private boolean matchBufferInMailBeingMimeAware() in james-utils/src/main/java/org/apache/james/mime4j/utils/search/MessageMatcher.java	46	24	2
public EntityStateMachine advance() in core/src/main/java/org/apache/james/mime4j/stream/MimeEntity.java	71	23	0
private int read0() in core/src/main/java/org/apache/james/mime4j/codec/Base64InputStream.java	78	22	3
public static String decodeEncodedWords() in core/src/main/java/org/apache/james/mime4j/codec/DecoderUtil.java	69	19	4
public void parse() in core/src/main/java/org/apache/james/mime4j/parser/MimeStreamParser.java	70	18	1
private int fillBuffer() in core/src/main/java/org/apache/james/mime4j/io/MimeBoundaryInputStream.java	55	17	0
private void encode() in core/src/main/java/org/apache/james/mime4j/codec/QuotedPrintableOutputStream.java	50	16	1
public static String stateToString() in core/src/main/java/org/apache/james/mime4j/stream/MimeEntity.java	51	15	1
private void parseContentType() in core/src/main/java/org/apache/james/mime4j/stream/FallbackBodyDescriptorBuilder.java	53	15	1
private void readRawField() in core/src/main/java/org/apache/james/mime4j/stream/MimeEntity.java	39	14	0
public boolean equals() in dom/src/main/java/org/apache/james/mime4j/dom/datetime/DateTime.java	27	13	1
public void setAttribute() in dom/src/main/java/org/apache/james/mime4j/message/MessageServiceFactoryImpl.java	35	13	2
public void copyQuotedContent() in core/src/main/java/org/apache/james/mime4j/stream/RawFieldParser.java	44	13	3
DomainList parseRoute() in dom/src/main/java/org/apache/james/mime4j/field/address/LenientAddressParser.java	41	12	3
public int read() in core/src/main/java/org/apache/james/mime4j/io/TextInputStream.java	35	12	3
public int readLine() in core/src/main/java/org/apache/james/mime4j/io/BufferedLineReaderInputStream.java	39	12	1
protected boolean nextField() in core/src/main/java/org/apache/james/mime4j/stream/MimeEntity.java	36	12	0
public Field addField() in core/src/main/java/org/apache/james/mime4j/stream/FallbackBodyDescriptorBuilder.java	28	12	1
public Builder parse() in dom/src/main/java/org/apache/james/mime4j/dom/Message.java	28	11	1
Mailbox parseMailboxAddress() in dom/src/main/java/org/apache/james/mime4j/field/address/LenientAddressParser.java	48	11	3
public int indexOf() in core/src/main/java/org/apache/james/mime4j/io/BufferedLineReaderInputStream.java	39	11	3
public int readLine() in core/src/main/java/org/apache/james/mime4j/io/MimeBoundaryInputStream.java	39	11	1
private void skipBoundary() in core/src/main/java/org/apache/james/mime4j/io/MimeBoundaryInputStream.java	33	11	0
public String parseValue() in core/src/main/java/org/apache/james/mime4j/stream/RawFieldParser.java	28	11	3
static T load() in dom/src/main/java/org/apache/james/mime4j/dom/ServiceLoader.java	45	10	1
public Message parseMessage() in dom/src/main/java/org/apache/james/mime4j/message/DefaultMessageBuilder.java	26	10	1
public BodyDescriptor build() in dom/src/main/java/org/apache/james/mime4j/message/DefaultBodyDescriptorBuilder.java	41	10	0
public String getMessage() in dom/src/main/javacc/org/apache/james/mime4j/field/mimeversion/ParseException.java	39	10	0
public String getMessage() in dom/src/main/javacc/org/apache/james/mime4j/field/language/ParseException.java	39	10	0
public String getMessage() in dom/src/main/javacc/org/apache/james/mime4j/field/contentdisposition/ParseException.java	39	10	0
public String getMessage() in dom/src/main/javacc/org/apache/james/mime4j/field/contenttype/ParseException.java	39	10	0
public String getMessage() in dom/src/main/javacc/org/apache/james/mime4j/field/structured/ParseException.java	39	10	0
public String getMessage() in dom/src/main/javacc/org/apache/james/mime4j/field/datetime/ParseException.java	39	10	0
public String getMessage() in dom/src/main/jjtree/org/apache/james/mime4j/field/address/ParseException.java	39	10	0
private int transfer() in core/src/main/java/org/apache/james/mime4j/codec/QuotedPrintableInputStream.java	27	10	5
public void format() in dom/src/main/java/org/apache/james/mime4j/field/address/AddressFormatter.java	29	9	3
private void parse() in dom/src/main/java/org/apache/james/mime4j/field/MimeVersionFieldLenientImpl.java	37	9	0
public MultipartBuilder copy() in dom/src/main/java/org/apache/james/mime4j/message/MultipartBuilder.java	35	9	1
public int read() in core/src/main/java/org/apache/james/mime4j/io/EOLConvertingInputStream.java	20	9	0
public void skipComment() in core/src/main/java/org/apache/james/mime4j/stream/RawFieldParser.java	35	9	2
private void parse() in dom/src/main/java/org/apache/james/mime4j/field/ContentTypeFieldLenientImpl.java	36	8	0
public Address parseAddress() in dom/src/main/java/org/apache/james/mime4j/field/address/LenientAddressParser.java	33	8	3
private void parse() in dom/src/main/java/org/apache/james/mime4j/field/ContentTypeFieldImpl.java	27	8	0
public Header parseHeader() in dom/src/main/java/org/apache/james/mime4j/message/DefaultMessageBuilder.java	32	8	1
public String parseToken() in core/src/main/java/org/apache/james/mime4j/stream/RawFieldParser.java	22	8	3
public void copyUnquotedContent() in core/src/main/java/org/apache/james/mime4j/stream/RawFieldParser.java	21	8	4
public EntityState next() in core/src/main/java/org/apache/james/mime4j/stream/MimeTokenStream.java	28	8	0
public static boolean hasToBeEncoded() in core/src/main/java/org/apache/james/mime4j/codec/EncoderUtil.java	22	8	2
public Mailbox() in dom/src/main/java/org/apache/james/mime4j/dom/address/Mailbox.java	9	7	4