com.puppycrawl.tools.checkstyle.checks.sizes

Class MethodCountCheck

java.lang.Object

com.puppycrawl.tools.checkstyle.api.AutomaticBean

com.puppycrawl.tools.checkstyle.api.AbstractViolationReporter

com.puppycrawl.tools.checkstyle.api.AbstractCheck

com.puppycrawl.tools.checkstyle.checks.sizes.MethodCountCheck

All Implemented Interfaces:

Configurable, Contextualizable

public final class MethodCountCheck
extends AbstractCheck

Counts the methods of the type-definition and checks whether this count is higher than the configured limit.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
private static class	MethodCountCheck.MethodCounter Marker class used to collect data about the number of methods per class.

Field Summary

Fields

Modifier and Type	Field and Description
private java.util.Deque<MethodCountCheck.MethodCounter>	counters Maintains stack of counters, to support inner types.
private static int	DEFAULT_MAX_METHODS Default maximum number of methods.
private int	maxPackage Maximum package methods.
private int	maxPrivate Maximum private methods.
private int	maxProtected Maximum protected methods.
private int	maxPublic Maximum public methods.
private int	maxTotal Maximum total number of methods.
static java.lang.String	MSG_MANY_METHODS A key is pointing to the warning message text in "messages.properties" file.
static java.lang.String	MSG_PACKAGE_METHODS A key is pointing to the warning message text in "messages.properties" file.
static java.lang.String	MSG_PRIVATE_METHODS A key is pointing to the warning message text in "messages.properties" file.
static java.lang.String	MSG_PROTECTED_METHODS A key is pointing to the warning message text in "messages.properties" file.
static java.lang.String	MSG_PUBLIC_METHODS A key is pointing to the warning message text in "messages.properties" file.

Constructor Summary

Constructors

Constructor and Description
MethodCountCheck()

Method Summary

Modifier and Type	Method and Description
private void	checkCounters(MethodCountCheck.MethodCounter counter, DetailAST ast) Check the counters and report violations.
private void	checkMax(int max, int value, java.lang.String msg, DetailAST ast) Utility for reporting if a maximum has been exceeded.
int[]	getAcceptableTokens() The configurable token set.
int[]	getDefaultTokens() Returns the default token a check is interested in.
int[]	getRequiredTokens() The tokens that this check must be registered for.
void	leaveToken(DetailAST ast) Called after all the child nodes have been process.
private void	raiseCounter(DetailAST method) Determine the visibility modifier and raise the corresponding counter.
void	setMaxPackage(int value) Sets the maximum allowed package methods per type.
void	setMaxPrivate(int value) Sets the maximum allowed private methods per type.
void	setMaxProtected(int value) Sets the maximum allowed protected methods per type.
void	setMaxPublic(int value) Sets the maximum allowed public methods per type.
void	setMaxTotal(int value) Sets the maximum total methods per type.
void	visitToken(DetailAST ast) Called to process a token.

Methods inherited from class com.puppycrawl.tools.checkstyle.api.AbstractCheck

beginTree, destroy, finishTree, getClassLoader, getFileContents, getLine, getLines, getTabWidth, getTokenNames, init, isCommentNodesRequired, log, log, setClassLoader, setFileContents, setMessages, setTabWidth, setTokens

Methods inherited from class com.puppycrawl.tools.checkstyle.api.AbstractViolationReporter

getCustomMessages, getId, getMessageBundle, getSeverity, getSeverityLevel, log, setId, setSeverity

Methods inherited from class com.puppycrawl.tools.checkstyle.api.AutomaticBean

configure, contextualize, finishLocalSetup, getConfiguration, setupChild

Methods inherited from class java.lang.Object

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

Field Detail

MSG_PRIVATE_METHODS

public static final java.lang.String MSG_PRIVATE_METHODS

A key is pointing to the warning message text in "messages.properties" file.

See Also:

Constant Field Values

MSG_PACKAGE_METHODS

public static final java.lang.String MSG_PACKAGE_METHODS

A key is pointing to the warning message text in "messages.properties" file.

See Also:

Constant Field Values

MSG_PROTECTED_METHODS

public static final java.lang.String MSG_PROTECTED_METHODS

A key is pointing to the warning message text in "messages.properties" file.

See Also:

Constant Field Values

MSG_PUBLIC_METHODS

public static final java.lang.String MSG_PUBLIC_METHODS

A key is pointing to the warning message text in "messages.properties" file.

See Also:

Constant Field Values

MSG_MANY_METHODS

public static final java.lang.String MSG_MANY_METHODS

A key is pointing to the warning message text in "messages.properties" file.

See Also:

Constant Field Values

DEFAULT_MAX_METHODS

private static final int DEFAULT_MAX_METHODS

Default maximum number of methods.

See Also:

Constant Field Values

counters

private final java.util.Deque<MethodCountCheck.MethodCounter> counters

Maintains stack of counters, to support inner types.

maxPrivate

private int maxPrivate

Maximum private methods.

maxPackage

private int maxPackage

Maximum package methods.

maxProtected

private int maxProtected

Maximum protected methods.

maxPublic

private int maxPublic

Maximum public methods.

maxTotal

private int maxTotal

Maximum total number of methods.

Constructor Detail

MethodCountCheck

public MethodCountCheck()

Method Detail

getDefaultTokens

public int[] getDefaultTokens()

Description copied from class: AbstractCheck

Returns the default token a check is interested in. Only used if the configuration for a check does not define the tokens.

Specified by:

getDefaultTokens in class AbstractCheck

Returns:

the default tokens

See Also:

TokenTypes

getAcceptableTokens

public int[] getAcceptableTokens()

Description copied from class: AbstractCheck

The configurable token set. Used to protect Checks against malicious users who specify an unacceptable token set in the configuration file. The default implementation returns the check's default tokens.

Specified by:

getAcceptableTokens in class AbstractCheck

Returns:

the token set this check is designed for.

See Also:

TokenTypes

getRequiredTokens

public int[] getRequiredTokens()

Description copied from class: AbstractCheck

The tokens that this check must be registered for.

Specified by:

getRequiredTokens in class AbstractCheck

Returns:

the token set this must be registered for.

See Also:

TokenTypes

visitToken

public void visitToken(DetailAST ast)

Description copied from class: AbstractCheck

Called to process a token.

Overrides:

visitToken in class AbstractCheck

Parameters:

ast - the token to process

leaveToken

public void leaveToken(DetailAST ast)

Description copied from class: AbstractCheck

Called after all the child nodes have been process.

Overrides:

leaveToken in class AbstractCheck

Parameters:

ast - the token leaving

raiseCounter

private void raiseCounter(DetailAST method)

Determine the visibility modifier and raise the corresponding counter.

Parameters:

method - The method-subtree from the AbstractSyntaxTree.

checkCounters

private void checkCounters(MethodCountCheck.MethodCounter counter,
                           DetailAST ast)

Check the counters and report violations.

Parameters:

counter - the method counters to check

ast - to report errors against.

checkMax

private void checkMax(int max,
                      int value,
                      java.lang.String msg,
                      DetailAST ast)

Utility for reporting if a maximum has been exceeded.

Parameters:

max - the maximum allowed value

value - the actual value

msg - the message to log. Takes two arguments of value and maximum.

ast - the AST to associate with the message.

setMaxPrivate

public void setMaxPrivate(int value)

Sets the maximum allowed private methods per type.

Parameters:

value - the maximum allowed.

setMaxPackage

public void setMaxPackage(int value)

Sets the maximum allowed package methods per type.

Parameters:

value - the maximum allowed.

setMaxProtected

public void setMaxProtected(int value)

Sets the maximum allowed protected methods per type.

Parameters:

value - the maximum allowed.

setMaxPublic

public void setMaxPublic(int value)

Sets the maximum allowed public methods per type.

Parameters:

value - the maximum allowed.

setMaxTotal

public void setMaxTotal(int value)

Sets the maximum total methods per type.

Parameters:

value - the maximum allowed.