Package io.codemodder.codemods

Class SwitchLiteralFirstComparisonsCodemod

java.lang.Object

io.codemodder.javaparser.JavaParserChanger

io.codemodder.SarifPluginJavaParserChanger<com.github.javaparser.ast.expr.MethodCallExpr>

io.codemodder.codemods.SwitchLiteralFirstComparisonsCodemod

All Implemented Interfaces:

io.codemodder.CodeChanger

@Codemod(id="pixee:java/switch-literal-first",
         importance=LOW,
         reviewGuidance=MERGE_WITHOUT_REVIEW)
public final class SwitchLiteralFirstComparisonsCodemod
extends io.codemodder.SarifPluginJavaParserChanger<com.github.javaparser.ast.expr.MethodCallExpr>

A codemod for automatically switching the order of literals and variables in comparisons so they're guaranteed not to throw NullPointerException when the variable is unexpectedly null.

Field Summary

Fields inherited from class io.codemodder.SarifPluginJavaParserChanger

sarif

Fields inherited from class io.codemodder.javaparser.JavaParserChanger

reporter

Constructor Summary

Constructors

Constructor	Description
SwitchLiteralFirstComparisonsCodemod(io.codemodder.RuleSarif ruleSarif)

Method Summary

Modifier and Type	Method	Description
io.codemodder.javaparser.ChangesResult	onResultFound(io.codemodder.CodemodInvocationContext context, com.github.javaparser.ast.CompilationUnit cu, com.github.javaparser.ast.expr.MethodCallExpr methodCallExpr, com.contrastsecurity.sarif.Result result)

Methods inherited from class io.codemodder.SarifPluginJavaParserChanger

shouldRun, visit

Methods inherited from class io.codemodder.javaparser.JavaParserChanger

getDescription, getIndividualChangeDescription, getReferences, getSummary

Methods inherited from class java.lang.Object

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

Constructor Details

SwitchLiteralFirstComparisonsCodemod

@Inject
public SwitchLiteralFirstComparisonsCodemod(@PmdScan(ruleId="category/java/bestpractices.xml/LiteralsFirstInComparisons")
 io.codemodder.RuleSarif ruleSarif)

Method Details

onResultFound

public io.codemodder.javaparser.ChangesResult onResultFound(io.codemodder.CodemodInvocationContext context,
 com.github.javaparser.ast.CompilationUnit cu,
 com.github.javaparser.ast.expr.MethodCallExpr methodCallExpr,
 com.contrastsecurity.sarif.Result result)

Specified by:

onResultFound in class io.codemodder.SarifPluginJavaParserChanger<com.github.javaparser.ast.expr.MethodCallExpr>