com.puppycrawl.tools.checkstyle.checks
Class UpperEllCheck
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.UpperEllCheck
- All 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
Methods inherited from class com.puppycrawl.tools.checkstyle.api.Check |
beginTree, destroy, finishTree, getAcceptableTokens, getClassLoader, getFileContents, getLines, getRequiredTokens, getTabWidth, getTokenNames, init, leaveToken, log, log, setClassLoader, setFileContents, setMessages, setTabWidth, setTokens |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
UpperEllCheck
public UpperEllCheck()
getDefaultTokens
public int[] getDefaultTokens()
- Description copied from class:
Check
- 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 Check
- Returns:
- the default tokens
- See Also:
TokenTypes
visitToken
public void visitToken(DetailAST aAST)
- Description copied from class:
Check
- Called to process a token.
- Overrides:
visitToken
in class Check
- Parameters:
aAST
- the token to process
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