com.puppycrawl.tools.checkstyle.checks

Class DeclarationCollector

java.lang.Object

com.puppycrawl.tools.checkstyle.api.AutomaticBean

com.puppycrawl.tools.checkstyle.api.AbstractViolationReporter

com.puppycrawl.tools.checkstyle.api.Check

com.puppycrawl.tools.checkstyle.checks.DeclarationCollector

All Implemented Interfaces:

Configurable, Contextualizable

Direct Known Subclasses:

RequireThisCheck, UnusedImportsCheck

public abstract class DeclarationCollector
extends Check

Abstract class for chekcs which need to collect information about declared members/parameters/variables.

Author:

o_sukhodolsky

Constructor Summary

Constructors

Constructor and Description
DeclarationCollector()

Method Summary

Methods

Modifier and Type	Method and Description
void	beginTree(DetailAST aRootAST) Called before the starting to process a tree.
protected boolean	isClassField(String aName) Check if given name is a name for class field in current environment.
protected boolean	isDeclared(String aName) Check if given name is a name for declafred variable/parameter/member in current environment.
void	leaveToken(DetailAST aAST) Called after all the child nodes have been process.
void	visitToken(DetailAST aAST) Called to process a token.

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

destroy, finishTree, getAcceptableTokens, getClassLoader, getDefaultTokens, getFileContents, getLines, getRequiredTokens, getTabWidth, getTokenNames, init, log, log, setClassLoader, setFileContents, setMessages, setTabWidth, setTokens

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

getId, getMessageBundle, getSeverity, getSeverityLevel, log, log, log, log, log, log, log, log, 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

Constructor Detail

DeclarationCollector

public DeclarationCollector()

Method Detail

beginTree

public void beginTree(DetailAST aRootAST)

Called before the starting to process a tree. Ideal place to initialise information that is to be collected whilst processing a tree.

Overrides:

beginTree in class Check

Parameters:

aRootAST - the root of the tree

visitToken

public void visitToken(DetailAST aAST)

Called to process a token.

Overrides:

visitToken in class Check

Parameters:

aAST - the token to process

leaveToken

public void leaveToken(DetailAST aAST)

Called after all the child nodes have been process.

Overrides:

leaveToken in class Check

Parameters:

aAST - the token leaving

isDeclared

protected final boolean isDeclared(String aName)

Check if given name is a name for declafred variable/parameter/member in current environment.

Parameters:

aName - a name to check

Returns:

true is the given name is declare one.

isClassField

protected final boolean isClassField(String aName)

Check if given name is a name for class field in current environment.

Parameters:

aName - a name to check

Returns:

true is the given name is name of method or member.