com.puppycrawl.tools.checkstyle.checks

Class UpperEllCheck

Implemented Interfaces:
Configurable, Contextualizable

public class UpperEllCheck
extends Check

Checks that long constants are defined with an upper ell. That is 'L' and not 'l'. This is in accordance to the Java Language Specification, Section 3.10.1.

Rationale: The letter l looks a lot like the number 1.

Examples

To configure the check:

 <module name="UpperEll"/>
 
Version:
1.0
Author:
Oliver Burn

Method Summary

int[]
getDefaultTokens()
void
visitToken(DetailAST aAST)

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

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

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

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

Method Details

getDefaultTokens

public int[] getDefaultTokens()
Overrides:
getDefaultTokens in interface Check

visitToken

public void visitToken(DetailAST aAST)
Overrides:
visitToken in interface Check