public class MissingSwitchDefaultCheck extends DescendantTokenCheck
Checks that switch statement has "default" clause.
Rationale: It's usually a good idea to introduce a default case in every switch statement. Even if the developer is sure that all currently possible cases are covered, this should be expressed in the default branch, e.g. by using an assertion. This way the code is protected aginst later changes, e.g. introduction of new types in an enumeration type.
An example of how to configure the check is:
<module name="MissingSwitchDefault"/>
Modifier and Type | Field and Description |
---|---|
static String |
MSG_KEY
A key is pointing to the warning message text in "messages.properties"
file.
|
MSG_KEY_MAX, MSG_KEY_MIN, MSG_KEY_SUM_MAX, MSG_KEY_SUM_MIN
Constructor and Description |
---|
MissingSwitchDefaultCheck()
Creates new instance of the check.
|
Modifier and Type | Method and Description |
---|---|
int[] |
getAcceptableTokens()
The configurable token set.
|
int[] |
getDefaultTokens()
Returns the default token a check is interested in.
|
setLimitedTokens, setMaximumDepth, setMaximumMessage, setMaximumNumber, setMinimumDepth, setMinimumMessage, setMinimumNumber, setSumTokenCounts, visitToken
beginTree, destroy, finishTree, getClassLoader, getFileContents, getLine, getLines, getRequiredTokens, getTabWidth, getTokenNames, init, isCommentNodesRequired, leaveToken, log, log, setClassLoader, setFileContents, setMessages, setTabWidth, setTokens
getCustomMessages, getId, getMessageBundle, getSeverity, getSeverityLevel, log, setId, setSeverity
configure, contextualize, finishLocalSetup, getConfiguration, setupChild
public static final String MSG_KEY
public MissingSwitchDefaultCheck()
public int[] getDefaultTokens()
Check
getDefaultTokens
in class DescendantTokenCheck
TokenTypes
public int[] getAcceptableTokens()
Check
getAcceptableTokens
in class DescendantTokenCheck
TokenTypes
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