Package com.puppycrawl.tools.checkstyle.checks.metrics

Class AbstractClassCouplingCheck.ClassContext

java.lang.Object

com.puppycrawl.tools.checkstyle.checks.metrics.AbstractClassCouplingCheck.ClassContext

Enclosing class:

AbstractClassCouplingCheck

private final class AbstractClassCouplingCheck.ClassContext
extends Object

Encapsulates information about class coupling.

Field Summary

Fields

Modifier and Type	Field	Description
private final DetailAST	classAst	AST of class definition.
private final String	className	Own class name.
private final Set<String>	referencedClassNames	Set of referenced classes.

Constructor Summary

Constructors

Modifier	Constructor	Description
private	ClassContext(String className, DetailAST ast)	Create new context associated with given class.

Method Summary

Modifier and Type	Method	Description
private void	addReferencedClassName(DetailAST ast)	Adds new referenced class.
private void	addReferencedClassName(String referencedClassName)	Adds new referenced class.
void	checkCoupling()	Checks if coupling less than allowed or not.
private Optional<String>	getClassNameWithPackage(String examineClassName)	Retrieves class name with packages.
private boolean	isExcludedClassRegexp(String candidateClassName)	Checks if given class should be ignored as it belongs to excluded class regexp.
private boolean	isFromExcludedPackage(String candidateClassName)	Checks if given class should be ignored as it belongs to excluded package.
private boolean	isSignificant(String candidateClassName)	Checks if given class shouldn't be ignored and not from java.lang.
void	visitLiteralNew(DetailAST ast)	Visits NEW.
void	visitLiteralThrows(DetailAST literalThrows)	Visits throws clause and collects all exceptions we throw.
void	visitType(DetailAST ast)	Visits type.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

referencedClassNames

private final Set<String> referencedClassNames

Set of referenced classes. Sorted by name for predictable violation messages in unit tests.

className

private final String className

Own class name.

classAst

private final DetailAST classAst

AST of class definition.

Constructor Details

ClassContext

private ClassContext(String className,
 DetailAST ast)

Create new context associated with given class.

Parameters:

className - name of the given class.

ast - ast of class definition.

Method Details

visitLiteralThrows

public void visitLiteralThrows(DetailAST literalThrows)

Visits throws clause and collects all exceptions we throw.

Parameters:

literalThrows - throws to process.

visitType

public void visitType(DetailAST ast)

Visits type.

Parameters:

ast - type to process.

visitLiteralNew

public void visitLiteralNew(DetailAST ast)

Visits NEW.

Parameters:

ast - NEW to process.

addReferencedClassName

private void addReferencedClassName(DetailAST ast)

Adds new referenced class.

Parameters:

ast - a node which represents referenced class.

addReferencedClassName

private void addReferencedClassName(String referencedClassName)

Adds new referenced class.

Parameters:

referencedClassName - class name of the referenced class.

checkCoupling

public void checkCoupling()

Checks if coupling less than allowed or not.

isSignificant

private boolean isSignificant(String candidateClassName)

Checks if given class shouldn't be ignored and not from java.lang.

Parameters:

candidateClassName - class to check.

Returns:

true if we should count this class.

isFromExcludedPackage

private boolean isFromExcludedPackage(String candidateClassName)

Checks if given class should be ignored as it belongs to excluded package.

Parameters:

candidateClassName - class to check

Returns:

true if we should not count this class.

getClassNameWithPackage

private Optional<String> getClassNameWithPackage(String examineClassName)

Retrieves class name with packages. Uses previously registered imports to get the full class name.

Parameters:

examineClassName - Class name to be retrieved.

Returns:

Class name with package name, if found, Optional.empty() otherwise.

isExcludedClassRegexp

private boolean isExcludedClassRegexp(String candidateClassName)

Checks if given class should be ignored as it belongs to excluded class regexp.

Parameters:

candidateClassName - class to check.

Returns:

true if we should not count this class.