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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.design.ThrowsCountCheck
Restricts throws statements to a specified count (default = 1).
Rationale: Exceptions form part of a methods interface. Declaring a method to throw too many differently rooted exceptions makes exception handling onerous and leads to poor programming practices such as catch (Exception). This check forces developers to put exceptions into a heirachy such that in the simplest case, only one type of exception need be checked for by a caller but allows any sub-classes to be caught specifically if necessary.
Constructor Summary | |
ThrowsCountCheck()
Creates new instance of the check. |
Method Summary | |
int[] |
getDefaultTokens()
Returns the default token a check is interested in. |
int |
getMax()
Getter for max property. |
int[] |
getRequiredTokens()
The tokens that this check must be registered for. |
void |
setMax(int aMax)
Setter for max property. |
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, 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 ThrowsCountCheck()
Method Detail |
public int[] getDefaultTokens()
Check
getDefaultTokens
in class Check
Check
public int[] getRequiredTokens()
Check
getRequiredTokens
in class Check
Check
public int getMax()
public void setMax(int aMax)
aMax
- maximum allowed throws statements.public void visitToken(DetailAST aAST)
Check
visitToken
in class Check
aAST
- the token to processCheck
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