JavaNCSS Metric Results

[ package ] [ object ] [ method ] [ explanation ]

The following document contains the results of a JavaNCSS metric analysis.
JavaNCSS web site.

Packages

[ package ] [ object ] [ method ] [ explanation ]

Packages sorted by NCSS.

PackageClassesMethodsNCSSJavadocsJavadoc linesSingle lines commentMulti lines comment
de.aixcept.flex2.annotations.apt22970431611743
de.aixcept.flex2.annotations.metadata101574591567573180
de.aixcept.flex2.annotations10165000711
de.aixcept.util322124241421120
Classes totalMethods totalNCSS totalJavadocsJavadoc linesSingle lines commentMulti lines comment
162081452183915131954

Objects

[ package ] [ object ] [ method ] [ explanation ]

TOP 30 classes containing the most NCSS.

ObjectNCSSMethodsClassesJavadocs
de.aixcept.flex2.annotations.apt.ActionScriptAnnotationProcessor6552600
de.aixcept.flex2.annotations.metadata.ActionScriptInfo12639035
de.aixcept.flex2.annotations.metadata.CairngormInfo10543038
de.aixcept.util.AnnotationUtils84808
de.aixcept.flex2.annotations.metadata.ActionScriptPropertyInfo5622023
de.aixcept.flex2.annotations.metadata.CommandInfo3112013
de.aixcept.flex2.annotations.metadata.EventInfo3112013
de.aixcept.flex2.annotations.metadata.ActionScriptRegistryInfo23506
de.aixcept.util.TypeValue23809
de.aixcept.flex2.annotations.metadata.BusinessDelegateInfo21809
de.aixcept.flex2.annotations.metadata.ServiceInfo21809
de.aixcept.flex2.annotations.apt.ActionScriptAnnotationProcessorFactory12303
de.aixcept.flex2.annotations.metadata.CommandWithDelegateInfo11405
de.aixcept.flex2.annotations.metadata.PropertyInfo11405
de.aixcept.util.Info7607
de.aixcept.flex2.annotations.ServiceType1000

TOP 30 classes containing the most methods.

ObjectNCSSMethodsClassesJavadocs
de.aixcept.flex2.annotations.metadata.CairngormInfo10543038
de.aixcept.flex2.annotations.metadata.ActionScriptInfo12639035
de.aixcept.flex2.annotations.apt.ActionScriptAnnotationProcessor6552600
de.aixcept.flex2.annotations.metadata.ActionScriptPropertyInfo5622023
de.aixcept.flex2.annotations.metadata.CommandInfo3112013
de.aixcept.flex2.annotations.metadata.EventInfo3112013
de.aixcept.flex2.annotations.metadata.BusinessDelegateInfo21809
de.aixcept.flex2.annotations.metadata.ServiceInfo21809
de.aixcept.util.AnnotationUtils84808
de.aixcept.util.TypeValue23809
de.aixcept.util.Info7607
de.aixcept.flex2.annotations.metadata.ActionScriptRegistryInfo23506
de.aixcept.flex2.annotations.metadata.CommandWithDelegateInfo11405
de.aixcept.flex2.annotations.metadata.PropertyInfo11405
de.aixcept.flex2.annotations.apt.ActionScriptAnnotationProcessorFactory12303
de.aixcept.flex2.annotations.ServiceType1000

Averages.

NCSS averageProgram NCSSClasses averageMethods averageJavadocs average
76.131,452.000.0013.0011.44

Methods

[ package ] [ object ] [ method ] [ explanation ]

TOP 30 Methods containing the most NCSS.

MethodsNCSSCCNJavadocs
de.aixcept.flex2.annotations.apt.ActionScriptAnnotationProcessor.processCairngormDeclarations()83170
de.aixcept.flex2.annotations.apt.ActionScriptAnnotationProcessor.convertValue(String,Object)82250
de.aixcept.flex2.annotations.apt.ActionScriptAnnotationProcessor.processAttributesDeclarations(Collection)51140
de.aixcept.flex2.annotations.apt.ActionScriptAnnotationProcessor.processTagDeclarations(Collection)50140
de.aixcept.flex2.annotations.apt.ActionScriptAnnotationProcessor.saveCommands()42110
de.aixcept.flex2.annotations.apt.ActionScriptAnnotationProcessor.evalSpecialActionScriptTypes(String)29260
de.aixcept.flex2.annotations.apt.ActionScriptAnnotationProcessor.saveAsActionScriptClass()2570
de.aixcept.flex2.annotations.apt.ActionScriptAnnotationProcessor.saveFlexFile(Info,Map,String,String,String)2560
de.aixcept.flex2.annotations.apt.ActionScriptAnnotationProcessor.saveEvents()2460
de.aixcept.flex2.annotations.apt.ActionScriptAnnotationProcessor.saveAsActionScriptBaseClass()2360
de.aixcept.flex2.annotations.apt.ActionScriptAnnotationProcessor.saveBusinessDelegate(BusinessDelegateInfo)2350
de.aixcept.util.AnnotationUtils.getValues(AnnotationMirror)2381
de.aixcept.flex2.annotations.apt.ActionScriptAnnotationProcessor.saveActionScriptRegistry()2240
de.aixcept.flex2.annotations.metadata.ActionScriptInfo.getImports()1961
de.aixcept.flex2.annotations.apt.ActionScriptAnnotationProcessor.addTagAttributesFromParent(ActionScriptInfo,Class)18110
de.aixcept.flex2.annotations.apt.ActionScriptAnnotationProcessor.populateTagAttributes(ActionScriptPropertyInfo,Map)1430
de.aixcept.flex2.annotations.apt.ActionScriptAnnotationProcessor.processHierarchy(ActionScriptInfo)1480
de.aixcept.util.AnnotationUtils.parseDocComment(String,int)1451
de.aixcept.flex2.annotations.apt.ActionScriptAnnotationProcessor.createCairngormPackages(Map)1330
de.aixcept.flex2.annotations.metadata.ActionScriptInfo.getInterfaces()1361
de.aixcept.flex2.annotations.apt.ActionScriptAnnotationProcessor.process()1220
de.aixcept.flex2.annotations.apt.ActionScriptAnnotationProcessor.getASType(String)1180
de.aixcept.util.AnnotationUtils.getValues(Declaration,AnnotationTypeDeclaration)1051
de.aixcept.util.AnnotationUtils.getValues(Annotation)941
de.aixcept.util.AnnotationUtils.getOption(AnnotationProcessorEnvironment,String)961
de.aixcept.flex2.annotations.apt.ActionScriptAnnotationProcessor.createEventTag(String,CairngormInfo)810
de.aixcept.util.AnnotationUtils.getDefaultValues(AnnotationTypeDeclaration,Map)840
de.aixcept.flex2.annotations.apt.ActionScriptAnnotationProcessorFactory.getProcessorFor(Set,AnnotationProcessorEnvironment)721
de.aixcept.flex2.annotations.metadata.ActionScriptRegistryInfo.add(String,String)731
de.aixcept.flex2.annotations.apt.ActionScriptAnnotationProcessor.createDirectory(File,String)630

Averages.

Program NCSSNCSS averageCCN averageJavadocs average
1,452.005.122.020.82

Explanations

[ package ] [ object ] [ method ] [ explanation ]

Non Commenting Source Statements (NCSS)

Statements for JavaNCSS are not statements as specified in the Java Language Specification but include all kinds of declarations too. Roughly spoken, NCSS is approximately equivalent to counting ';' and '{' characters in Java source files.

Not counted are empty statements, empty blocks or semicolons after closing brackets. Of course, comments don't get counted too. Closing brackets also never get counted, the same applies to blocks in general.

Examples
Package declarationpackage java.lang;
Import declarationimport java.awt.*;
Class declaration
  • public class Foo {
  • public class Foo extends Bla {
Interface declarationpublic interface Able ; {
Field declaration
  • int a;
  • int a, b, c = 5, d = 6;
Method declaration
  • public void cry();
  • public void gib() throws DeadException {
Constructor declarationpublic Foo() {
Constructor invocation
  • this();
  • super();
Statement declaration
  • i = 0;
  • if (ok)
  • if (exit) {
  • if (3 == 4);
  • if (4 == 4) { ;
  • } else {
Label declarationfine :

In some cases consecutive semicolons are illegal according to the JLS but JavaNCSS still tolerates them (thought JavaNCSS is still more strict as 'javac'). Nevertheless they are never counted as two statements.

Cyclomatic Complexity Number (CCN)

CCN is also know as McCabe Metric. There exists a much hyped theory behind it based on graph theory, but it all comes down to simply counting 'if', 'for', 'while' statements etc. in a method. Whenever the control flow of a method splits, the "CCN counter" gets incremented by one.

Each method has a minimum value of 1 per default. For each of the following Java keywords/statements this value gets incremented by one:

  • if
  • for
  • while
  • case
  • catch

Also if the control flow of a method returns abortively the CCNvalue will be incremented by one:

  • if
  • for

An ordinary return at the end of method will not be counted.

Note that 'else', 'default', and 'finally' don't increment the CCN value any further. On the other hand, a simple method with a 'switch' statement and a huge block of 'case' statements can have a surprisingly high CCN value (still it has the same value when converting a 'switch' block to an equivalent sequence of 'if' statements).