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[java-inspections] Avoid isInstance conversion for invalid type element

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Fixes EA-429448 - AE: LambdaCanBeMethodReferenceInspection.lambda$getLambdaToMethodReferenceConversionCandidate$0

GitOrigin-RevId: 689dc8501700e55feb56f8ae31278cf237265c5c
This commit is contained in:
Tagir Valeev
2021-12-20 13:56:57 +07:00
committed by intellij-monorepo-bot
parent 256a6e090a
commit 4577e3c4bf
2 changed files with 8 additions and 1 deletions
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6
java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/lambda2methodReference/beforeInstanceOfInvalidType.java Normal file
View File

@@ -0,0 +1,6 @@
// "Replace lambda with method reference" "false"
class X {
void test() {
Predicate<Object> predicate = c -> c <caret>instanceof String.;
}
}

3
plugins/InspectionGadgets/src/com/intellij/codeInspection/LambdaCanBeMethodReferenceInspection.java
View File

@@ -30,6 +30,7 @@ import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.util.Collection;
import java.util.function.Predicate;
public class LambdaCanBeMethodReferenceInspection extends AbstractBaseJavaLocalInspectionTool {
private static final Logger LOG = Logger.getInstance(LambdaCanBeMethodReferenceInspection.class);
@@ -411,7 +412,7 @@ public class LambdaCanBeMethodReferenceInspection extends AbstractBaseJavaLocalI
else if (element instanceof PsiInstanceOfExpression) {
if(isSoleParameter(parameters, ((PsiInstanceOfExpression)element).getOperand())) {
PsiTypeElement type = ((PsiInstanceOfExpression)element).getCheckType();
if(type != null) {
if(type != null && !PsiUtilCore.hasErrorElementChild(type)) {
return type.getText() + ".class::isInstance";
}
}