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[java] report static interface field accessed via instance (IDEA-348722)

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GitOrigin-RevId: f8b1b2036656ff5a4579dff82592e7bf4cfad8f9
This commit is contained in:
Bas Leijdekkers
2024-03-08 17:04:31 +01:00
committed by intellij-monorepo-bot
parent babfae316e
commit b474e948e3
3 changed files with 23 additions and 5 deletions
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10
java/java-analysis-impl/src/com/intellij/codeInspection/accessStaticViaInstance/AccessStaticViaInstanceBase.java
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@@ -1,4 +1,4 @@
// Copyright 2000-2023 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
// Copyright 2000-2024 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
package com.intellij.codeInspection.accessStaticViaInstance;
import com.intellij.codeInsight.daemon.JavaErrorBundle;
@@ -53,7 +53,7 @@ public class AccessStaticViaInstanceBase extends AbstractBaseJavaLocalInspection
JavaResolveResult result = expr.advancedResolve(false);
PsiElement resolved = result.getElement();
if (!(resolved instanceof PsiMember)) return;
if (!(resolved instanceof PsiMember member)) return;
PsiExpression qualifierExpression = expr.getQualifierExpression();
if (qualifierExpression == null) return;
@@ -63,11 +63,11 @@ public class AccessStaticViaInstanceBase extends AbstractBaseJavaLocalInspection
return;
}
}
if (!((PsiMember)resolved).hasModifierProperty(PsiModifier.STATIC)) return;
if (!member.hasModifierProperty(PsiModifier.STATIC)) return;
//don't report warnings on compilation errors
PsiClass containingClass = ((PsiMember)resolved).getContainingClass();
if (containingClass != null && containingClass.isInterface()) return;
PsiClass containingClass = member.getContainingClass();
if (containingClass != null && containingClass.isInterface() && member instanceof PsiMethod) return;
if (containingClass instanceof PsiAnonymousClass || containingClass instanceof PsiImplicitClass) return;
String description = JavaErrorBundle.message("static.member.accessed.via.instance.reference",

9
java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/accessStaticViaInstance/afterInterfaceFieldAccess.java Normal file
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@@ -0,0 +1,9 @@
// "Qualify static 'NAME' access with reference to class 'Grotesk'" "true-preview"
class Dreadful implements Grotesk {
void x() {
System.out.println(Grotesk.NAME);
}
}
interface Grotesk {
String NAME = "Grotesk";
}

9
java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/accessStaticViaInstance/beforeInterfaceFieldAccess.java Normal file
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@@ -0,0 +1,9 @@
// "Qualify static 'NAME' access with reference to class 'Grotesk'" "true-preview"
class Dreadful implements Grotesk {
void x() {
System.out.println(this<caret>.NAME);
}
}
interface Grotesk {
String NAME = "Grotesk";
}