UselessSingleCatchCheck (sevntu-checks 1.44.1 API)

java.lang.Object
- com.puppycrawl.tools.checkstyle.api.AutomaticBean
- - com.puppycrawl.tools.checkstyle.api.AbstractViolationReporter
  - - com.puppycrawl.tools.checkstyle.api.AbstractCheck
    - - com.github.sevntu.checkstyle.checks.coding.UselessSingleCatchCheck

All Implemented Interfaces:

com.puppycrawl.tools.checkstyle.api.Configurable, com.puppycrawl.tools.checkstyle.api.Contextualizable
```
public class UselessSingleCatchCheck
extends com.puppycrawl.tools.checkstyle.api.AbstractCheck
```
Checks for the presence of useless single catch blocks. Catch block can be considered useless if it is the only catch block for try, contains only one statement which rethrows catched exception. Fox example:
```
  try {
      ...
  }
  catch(Exception e) {
      throw e;
  }
  
```
Since:

1.13.0

Author:

Zuy Alexey

Nested Class Summary
- Nested classes/interfaces inherited from class com.puppycrawl.tools.checkstyle.api.AutomaticBean
  com.puppycrawl.tools.checkstyle.api.AutomaticBean.OutputStreamOptions

Field Summary

Fields
Modifier and Type Field Description

static String MSG_KEY
A key is pointing to the warning message text in "messages.properties" file.

Constructor Summary

Constructors
Constructor Description

UselessSingleCatchCheck()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`int[]`	`getAcceptableTokens()`
`int[]`	`getDefaultTokens()`
`int[]`	`getRequiredTokens()`
`void`	`visitToken(com.puppycrawl.tools.checkstyle.api.DetailAST tryBlockNode)`

Methods inherited from class com.puppycrawl.tools.checkstyle.api.AbstractCheck
beginTree, clearViolations, destroy, finishTree, getFileContents, getFilePath, getLine, getLineCodePoints, getLines, getTabWidth, getTokenNames, getViolations, init, isCommentNodesRequired, leaveToken, log, log, log, setFileContents, setTabWidth, setTokens

Methods inherited from class com.puppycrawl.tools.checkstyle.api.AbstractViolationReporter
finishLocalSetup, getCustomMessages, getId, getMessageBundle, getSeverity, getSeverityLevel, setId, setSeverity

Methods inherited from class com.puppycrawl.tools.checkstyle.api.AutomaticBean
configure, contextualize, getConfiguration, setupChild

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - MSG_KEY
```
public static final String MSG_KEY
```
    A key is pointing to the warning message text in "messages.properties" file.
    
    See Also:
    
    Constant Field Values
- Constructor Detail
  - UselessSingleCatchCheck
```
public UselessSingleCatchCheck()
```
- Method Detail
  - getDefaultTokens
```
public int[] getDefaultTokens()
```
    Specified by:
    
    getDefaultTokens in class com.puppycrawl.tools.checkstyle.api.AbstractCheck
  - getAcceptableTokens
```
public int[] getAcceptableTokens()
```
    Specified by:
    
    getAcceptableTokens in class com.puppycrawl.tools.checkstyle.api.AbstractCheck
  - getRequiredTokens
```
public int[] getRequiredTokens()
```
    Specified by:
    
    getRequiredTokens in class com.puppycrawl.tools.checkstyle.api.AbstractCheck
  - visitToken
```
public void visitToken(com.puppycrawl.tools.checkstyle.api.DetailAST tryBlockNode)
```
    Overrides:
    
    visitToken in class com.puppycrawl.tools.checkstyle.api.AbstractCheck