Package eu.solven.cleanthat.engine.java.refactorer.mutators

Class LiteralsFirstInComparisons

java.lang.Object

eu.solven.cleanthat.engine.java.refactorer.AJavaparserMutator

eu.solven.cleanthat.engine.java.refactorer.mutators.LiteralsFirstInComparisons

All Implemented Interfaces:

IJavaparserMutator, IMutator, IMutatorDescriber, IMutatorExternalReferences, IWalkingMutator<com.github.javaparser.ast.Node,com.github.javaparser.ast.Node>

public class LiteralsFirstInComparisons
extends AJavaparserMutator
implements IMutatorDescriber

Switch o.equals("someString") to "someString".equals(o)

Author:

Benoit Lacelle

Field Summary

Fields inherited from interface eu.solven.cleanthat.engine.java.refactorer.meta.IMutator

ID_NOOP, IS_PRODUCTION_READY

Constructor Summary

Constructors

Constructor	Description
LiteralsFirstInComparisons()

Method Summary

Modifier and Type	Method	Description
Optional<String>	getPmdId()
boolean	isDraft()
boolean	isPreventingExceptions()	LiteralsFirstInComparisons may turn NullPointerException into false.
String	minimalJavaVersion()
String	pmdUrl()
protected boolean	processNotRecursively(com.github.javaparser.ast.Node node)

Methods inherited from class eu.solven.cleanthat.engine.java.refactorer.AJavaparserMutator

getSimpleName, getWarnCount, isImportable, isImported, messageForIssueReporting, onMethodName, optResolved, optResolvedType, optResolvedType, replaceBy, replaceNode, scopeHasRequiredType, scopeHasRequiredType, tryReplace, walkAst

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface eu.solven.cleanthat.engine.java.refactorer.meta.IMutator

getId, getIds, isJreOnly

Methods inherited from interface eu.solven.cleanthat.engine.java.refactorer.meta.IMutatorDescriber

isDeprecationNotice, isPerformanceImprovment

Methods inherited from interface eu.solven.cleanthat.engine.java.refactorer.meta.IMutatorExternalReferences

checkstyleUrl, getCheckstyleId, getCleanthatId, getPmdIds, getSeeUrls, getSonarId, jsparrowUrl, sonarUrl

Methods inherited from interface eu.solven.cleanthat.engine.java.refactorer.meta.IWalkingMutator

walkAstHasChanged

Constructor Details

LiteralsFirstInComparisons

public LiteralsFirstInComparisons()

Method Details

minimalJavaVersion

public String minimalJavaVersion()

Specified by:

minimalJavaVersion in interface IMutator

Specified by:

minimalJavaVersion in interface IMutatorDescriber

Returns:

the minimal JDKF version for this rule to trigger

isDraft

public boolean isDraft()

Specified by:

isDraft in interface IMutator

pmdUrl

public String pmdUrl()

Specified by:

pmdUrl in interface IMutatorExternalReferences

getPmdId

public Optional<String> getPmdId()

Specified by:

getPmdId in interface IMutatorExternalReferences

isPreventingExceptions

public boolean isPreventingExceptions()

LiteralsFirstInComparisons may turn NullPointerException into false.

Specified by:

isPreventingExceptions in interface IMutatorDescriber

Returns:

true if the rule helps preventing exceptions.

See Also:

• UseIsEmptyOnCollections
• LiteralsFirstInComparisons

processNotRecursively

protected boolean processNotRecursively(com.github.javaparser.ast.Node node)

Overrides:

processNotRecursively in class AJavaparserMutator