com.puppycrawl.tools.checkstyle.checks
Class DeclarationCollector

java.lang.Object
  extended bycom.puppycrawl.tools.checkstyle.api.AutomaticBean
      extended bycom.puppycrawl.tools.checkstyle.api.AbstractViolationReporter
          extended bycom.puppycrawl.tools.checkstyle.api.Check
              extended bycom.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
DeclarationCollector()
           
 
Method Summary
 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.
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.

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