| Package | TC | CC | AC | Ca | Ce | A | I | D | V |
|---|---|---|---|---|---|---|---|---|---|
| org.apache.commons.lang | 38 | 36 | 2 | 8 | 8 | 5.0% | 50.0% | 45.0% | 1 |
| org.apache.commons.lang.builder | 14 | 13 | 1 | 1 | 7 | 7.0% | 88.0% | 5.0% | 1 |
| org.apache.commons.lang.enum | 4 | 2 | 2 | 0 | 5 | 50.0% | 100.0% | 50.0% | 1 |
| org.apache.commons.lang.enums | 4 | 2 | 2 | 0 | 5 | 50.0% | 100.0% | 50.0% | 1 |
| org.apache.commons.lang.exception | 6 | 5 | 1 | 1 | 6 | 17.0% | 86.0% | 2.0% | 1 |
| org.apache.commons.lang.math | 11 | 10 | 1 | 3 | 5 | 9.0% | 62.0% | 28.0% | 1 |
| org.apache.commons.lang.mutable | 9 | 8 | 1 | 0 | 4 | 11.0% | 100.0% | 11.0% | 1 |
| org.apache.commons.lang.text | 17 | 14 | 3 | 0 | 5 | 18.0% | 100.0% | 18.0% | 1 |
| org.apache.commons.lang.time | 24 | 22 | 2 | 0 | 5 | 8.0% | 100.0% | 8.0% | 1 |
| Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
|---|---|---|---|---|
| 8 | 8 | 5.0% | 50.0% | 45.0% |
| Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
|---|---|---|---|
| org.apache.commons.lang.Entities$EntityMap org.apache.commons.lang.Entities$MapIntMap |
org.apache.commons.lang.ArrayUtils org.apache.commons.lang.BitField org.apache.commons.lang.BooleanUtils org.apache.commons.lang.CharEncoding org.apache.commons.lang.CharRange org.apache.commons.lang.CharSet org.apache.commons.lang.CharSetUtils org.apache.commons.lang.CharUtils org.apache.commons.lang.ClassUtils org.apache.commons.lang.Entities org.apache.commons.lang.Entities$ArrayEntityMap org.apache.commons.lang.Entities$BinaryEntityMap org.apache.commons.lang.Entities$HashEntityMap org.apache.commons.lang.Entities$LookupEntityMap org.apache.commons.lang.Entities$PrimitiveEntityMap org.apache.commons.lang.Entities$TreeEntityMap org.apache.commons.lang.IllegalClassException org.apache.commons.lang.IncompleteArgumentException org.apache.commons.lang.IntHashMap org.apache.commons.lang.IntHashMap$Entry org.apache.commons.lang.LocaleUtils org.apache.commons.lang.NotImplementedException org.apache.commons.lang.NullArgumentException org.apache.commons.lang.NumberRange org.apache.commons.lang.NumberUtils org.apache.commons.lang.ObjectUtils org.apache.commons.lang.ObjectUtils$Null org.apache.commons.lang.RandomStringUtils org.apache.commons.lang.SerializationException org.apache.commons.lang.SerializationUtils org.apache.commons.lang.StringEscapeUtils org.apache.commons.lang.StringUtils org.apache.commons.lang.SystemUtils org.apache.commons.lang.UnhandledException org.apache.commons.lang.Validate org.apache.commons.lang.WordUtils |
org.apache.commons.lang.builder org.apache.commons.lang.enum org.apache.commons.lang.enums org.apache.commons.lang.exception org.apache.commons.lang.math org.apache.commons.lang.mutable org.apache.commons.lang.text org.apache.commons.lang.time |
java.io java.lang java.lang.reflect java.math java.util org.apache.commons.lang.builder org.apache.commons.lang.exception org.apache.commons.lang.math |
| Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
|---|---|---|---|---|
| 1 | 7 | 7.0% | 88.0% | 5.0% |
| Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
|---|---|---|---|
| org.apache.commons.lang.builder.ToStringStyle |
org.apache.commons.lang.builder.CompareToBuilder org.apache.commons.lang.builder.EqualsBuilder org.apache.commons.lang.builder.HashCodeBuilder org.apache.commons.lang.builder.HashCodeBuilder$1 org.apache.commons.lang.builder.ReflectionToStringBuilder org.apache.commons.lang.builder.StandardToStringStyle org.apache.commons.lang.builder.ToStringBuilder org.apache.commons.lang.builder.ToStringStyle$1 org.apache.commons.lang.builder.ToStringStyle$DefaultToStringStyle org.apache.commons.lang.builder.ToStringStyle$MultiLineToStringStyle org.apache.commons.lang.builder.ToStringStyle$NoFieldNameToStringStyle org.apache.commons.lang.builder.ToStringStyle$ShortPrefixToStringStyle org.apache.commons.lang.builder.ToStringStyle$SimpleToStringStyle |
org.apache.commons.lang |
java.io java.lang java.lang.reflect java.math java.util org.apache.commons.lang org.apache.commons.lang.math |
| Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
|---|---|---|---|---|
| 0 | 5 | 50.0% | 100.0% | 50.0% |
| Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
|---|---|---|---|
| org.apache.commons.lang.enum.Enum org.apache.commons.lang.enum.ValuedEnum |
org.apache.commons.lang.enum.Enum$Entry org.apache.commons.lang.enum.EnumUtils |
None | java.io java.lang java.lang.reflect java.util org.apache.commons.lang |
| Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
|---|---|---|---|---|
| 0 | 5 | 50.0% | 100.0% | 50.0% |
| Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
|---|---|---|---|
| org.apache.commons.lang.enums.Enum org.apache.commons.lang.enums.ValuedEnum |
org.apache.commons.lang.enums.Enum$Entry org.apache.commons.lang.enums.EnumUtils |
None | java.io java.lang java.lang.reflect java.util org.apache.commons.lang |
| Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
|---|---|---|---|---|
| 1 | 6 | 17.0% | 86.0% | 2.0% |
| Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
|---|---|---|---|
| org.apache.commons.lang.exception.Nestable |
org.apache.commons.lang.exception.ExceptionUtils org.apache.commons.lang.exception.NestableDelegate org.apache.commons.lang.exception.NestableError org.apache.commons.lang.exception.NestableException org.apache.commons.lang.exception.NestableRuntimeException |
org.apache.commons.lang |
java.io java.lang java.lang.reflect java.sql java.util org.apache.commons.lang |
| Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
|---|---|---|---|---|
| 3 | 5 | 9.0% | 62.0% | 28.0% |
| Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
|---|---|---|---|
| org.apache.commons.lang.math.Range |
org.apache.commons.lang.math.DoubleRange org.apache.commons.lang.math.FloatRange org.apache.commons.lang.math.Fraction org.apache.commons.lang.math.IEEE754rUtils org.apache.commons.lang.math.IntRange org.apache.commons.lang.math.JVMRandom org.apache.commons.lang.math.LongRange org.apache.commons.lang.math.NumberRange org.apache.commons.lang.math.NumberUtils org.apache.commons.lang.math.RandomUtils |
org.apache.commons.lang org.apache.commons.lang.builder org.apache.commons.lang.mutable |
java.io java.lang java.math java.util org.apache.commons.lang |
| Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
|---|---|---|---|---|
| 0 | 4 | 11.0% | 100.0% | 11.0% |
| Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
|---|---|---|---|
| org.apache.commons.lang.mutable.Mutable |
org.apache.commons.lang.mutable.MutableBoolean org.apache.commons.lang.mutable.MutableByte org.apache.commons.lang.mutable.MutableDouble org.apache.commons.lang.mutable.MutableFloat org.apache.commons.lang.mutable.MutableInt org.apache.commons.lang.mutable.MutableLong org.apache.commons.lang.mutable.MutableObject org.apache.commons.lang.mutable.MutableShort |
None | java.io java.lang org.apache.commons.lang org.apache.commons.lang.math |
| Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
|---|---|---|---|---|
| 0 | 5 | 18.0% | 100.0% | 18.0% |
| Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
|---|---|---|---|
| org.apache.commons.lang.text.FormatFactory org.apache.commons.lang.text.StrLookup org.apache.commons.lang.text.StrMatcher |
org.apache.commons.lang.text.CompositeFormat org.apache.commons.lang.text.ExtendedMessageFormat org.apache.commons.lang.text.StrBuilder org.apache.commons.lang.text.StrBuilder$StrBuilderReader org.apache.commons.lang.text.StrBuilder$StrBuilderTokenizer org.apache.commons.lang.text.StrBuilder$StrBuilderWriter org.apache.commons.lang.text.StrLookup$MapStrLookup org.apache.commons.lang.text.StrMatcher$CharMatcher org.apache.commons.lang.text.StrMatcher$CharSetMatcher org.apache.commons.lang.text.StrMatcher$NoMatcher org.apache.commons.lang.text.StrMatcher$StringMatcher org.apache.commons.lang.text.StrMatcher$TrimMatcher org.apache.commons.lang.text.StrSubstitutor org.apache.commons.lang.text.StrTokenizer |
None | java.io java.lang java.text java.util org.apache.commons.lang |
| Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
|---|---|---|---|---|
| 0 | 5 | 8.0% | 100.0% | 8.0% |
| Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
|---|---|---|---|
| org.apache.commons.lang.time.FastDateFormat$NumberRule org.apache.commons.lang.time.FastDateFormat$Rule |
org.apache.commons.lang.time.DateFormatUtils org.apache.commons.lang.time.DateUtils org.apache.commons.lang.time.DateUtils$DateIterator org.apache.commons.lang.time.DurationFormatUtils org.apache.commons.lang.time.DurationFormatUtils$Token org.apache.commons.lang.time.FastDateFormat org.apache.commons.lang.time.FastDateFormat$CharacterLiteral org.apache.commons.lang.time.FastDateFormat$PaddedNumberField org.apache.commons.lang.time.FastDateFormat$Pair org.apache.commons.lang.time.FastDateFormat$StringLiteral org.apache.commons.lang.time.FastDateFormat$TextField org.apache.commons.lang.time.FastDateFormat$TimeZoneDisplayKey org.apache.commons.lang.time.FastDateFormat$TimeZoneNameRule org.apache.commons.lang.time.FastDateFormat$TimeZoneNumberRule org.apache.commons.lang.time.FastDateFormat$TwelveHourField org.apache.commons.lang.time.FastDateFormat$TwentyFourHourField org.apache.commons.lang.time.FastDateFormat$TwoDigitMonthField org.apache.commons.lang.time.FastDateFormat$TwoDigitNumberField org.apache.commons.lang.time.FastDateFormat$TwoDigitYearField org.apache.commons.lang.time.FastDateFormat$UnpaddedMonthField org.apache.commons.lang.time.FastDateFormat$UnpaddedNumberField org.apache.commons.lang.time.StopWatch |
None | java.io java.lang java.text java.util org.apache.commons.lang |
| Package | Package Dependencies |
|---|---|
| org.apache.commons.lang | org.apache.commons.lang.builder org.apache.commons.lang.math org.apache.commons.lang |
| org.apache.commons.lang.builder | org.apache.commons.lang.math org.apache.commons.lang org.apache.commons.lang.builder |
| org.apache.commons.lang.enum | org.apache.commons.lang org.apache.commons.lang.builder org.apache.commons.lang.math org.apache.commons.lang |
| org.apache.commons.lang.enums | org.apache.commons.lang org.apache.commons.lang.builder org.apache.commons.lang.math org.apache.commons.lang |
| org.apache.commons.lang.exception | org.apache.commons.lang org.apache.commons.lang.builder org.apache.commons.lang.math org.apache.commons.lang |
| org.apache.commons.lang.math | org.apache.commons.lang org.apache.commons.lang.builder org.apache.commons.lang.math |
| org.apache.commons.lang.mutable | org.apache.commons.lang org.apache.commons.lang.builder org.apache.commons.lang.math org.apache.commons.lang |
| org.apache.commons.lang.text | org.apache.commons.lang org.apache.commons.lang.builder org.apache.commons.lang.math org.apache.commons.lang |
| org.apache.commons.lang.time | org.apache.commons.lang org.apache.commons.lang.builder org.apache.commons.lang.math org.apache.commons.lang |
| Term | Description |
|---|---|
| Number of Classes | The number of concrete and abstract classes (and interfaces) in the package is an indicator of the extensibility of the package. |
| Afferent Couplings | The number of other packages that depend upon classes within the package is an indicator of the package's responsibility. |
| Efferent Couplings | The number of other packages that the classes in the package depend upon is an indicator of the package's independence. |
| Abstractness | The ratio of the number of abstract classes (and interfaces) in the analyzed package to the total number of classes in the analyzed package. The range for this metric is 0 to 1, with A=0 indicating a completely concrete package and A=1 indicating a completely abstract package. |
| Instability | The ratio of efferent coupling (Ce) to total coupling (Ce / (Ce + Ca)). This metric is an indicator of the package's resilience to change. The range for this metric is 0 to 1, with I=0 indicating a completely stable package and I=1 indicating a completely instable package. |
| Distance | The perpendicular distance of a package from the idealized line A + I = 1. This metric is an indicator of the package's balance between abstractness and stability. A package squarely on the main sequence is optimally balanced with respect to its abstractness and stability. Ideal packages are either completely abstract and stable (x=0, y=1) or completely concrete and instable (x=1, y=0). The range for this metric is 0 to 1, with D=0 indicating a package that is coincident with the main sequence and D=1 indicating a package that is as far from the main sequence as possible. |
| Cycles | Packages participating in a package dependency cycle are in a deadly embrace with respect to reusability and their release cycle. Package dependency cycles can be easily identified by reviewing the textual reports of dependency cycles. Once these dependency cycles have been identified with JDepend, they can be broken by employing various object-oriented techniques. |