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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.sizes.AnonInnerLengthCheck
Checks for long anonymous inner classes.
Rationale: If an anonymous inner class becomes very long it is hard to understand and to see the flow of the method where the class is defined. Therefore long anonymous inner classes should usually be refactored into a named inner class. See also Bloch, Effective Java, p. 93.
The default maximum anonymous inner class length is 20 lines. To change the maximum number of lines, set property max.
An example of how to configure the check is:
<module name="AnonInnerLength"/>
An example of how to configure the check so that it accepts anonymous inner classes with up to 60 lines is:
<module name="AnonInnerLength"> <property name="max" value="60"/> </module>
Constructor Summary | |
AnonInnerLengthCheck()
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Method Summary | |
int[] |
getDefaultTokens()
Returns the default token a check is interested in. |
void |
setMax(int aLength)
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void |
visitToken(DetailAST aAST)
Called to process a token. |
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 com.puppycrawl.tools.checkstyle.api.AbstractViolationReporter |
getMessageBundle, getSeverity, getSeverityLevel, log, log, log, log, log, log, log, log, log, 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 |
public AnonInnerLengthCheck()
Method Detail |
public int[] getDefaultTokens()
Check
getDefaultTokens
in class Check
Check
public void visitToken(DetailAST aAST)
Check
visitToken
in class Check
aAST
- the token to processCheck
public void setMax(int aLength)
aLength
- the maximum length of an anonymous inner class.
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