From 2cc1e266cc5a32bdff78b4a017511e8b81d1847f Mon Sep 17 00:00:00 2001 From: Stephan Schroevers Date: Sun, 11 Feb 2024 18:10:50 +0100 Subject: [PATCH] Use JDK 17 features --- .../bugpatterns/OptionalOrElse.java | 26 +++++++++---------- 1 file changed, 13 insertions(+), 13 deletions(-) diff --git a/error-prone-contrib/src/main/java/tech/picnic/errorprone/bugpatterns/OptionalOrElse.java b/error-prone-contrib/src/main/java/tech/picnic/errorprone/bugpatterns/OptionalOrElse.java index 7b359c735c..6e1a83f413 100644 --- a/error-prone-contrib/src/main/java/tech/picnic/errorprone/bugpatterns/OptionalOrElse.java +++ b/error-prone-contrib/src/main/java/tech/picnic/errorprone/bugpatterns/OptionalOrElse.java @@ -45,7 +45,9 @@ @AutoService(BugChecker.class) @BugPattern( summary = - "Prefer `Optional#orElseGet` over `Optional#orElse` if the fallback requires additional computation", + """ + Prefer `Optional#orElseGet` over `Optional#orElse` if the fallback requires additional \ + computation""", linkType = NONE, severity = WARNING, tags = PERFORMANCE) @@ -96,40 +98,38 @@ public Description matchMethodInvocation(MethodInvocationTree tree, VisitorState private static boolean requiresComputation(ExpressionTree tree) { return !(tree instanceof IdentifierTree || tree instanceof LiteralTree - || (tree instanceof MemberSelectTree - && !requiresComputation(((MemberSelectTree) tree).getExpression())) + || (tree instanceof MemberSelectTree memberSelect + && !requiresComputation(memberSelect.getExpression())) || ASTHelpers.constValue(tree) != null); } /** Returns the nullary method reference matching the given expression, if any. */ private static Optional tryMethodReferenceConversion( ExpressionTree tree, VisitorState state) { - if (!(tree instanceof MethodInvocationTree)) { + if (!(tree instanceof MethodInvocationTree methodInvocation)) { return Optional.empty(); } - MethodInvocationTree invocation = (MethodInvocationTree) tree; - if (!invocation.getArguments().isEmpty()) { + if (!methodInvocation.getArguments().isEmpty()) { return Optional.empty(); } - if (!(invocation.getMethodSelect() instanceof MemberSelectTree)) { + if (!(methodInvocation.getMethodSelect() instanceof MemberSelectTree memberSelect)) { return Optional.empty(); } - MemberSelectTree method = (MemberSelectTree) invocation.getMethodSelect(); - if (requiresComputation(method.getExpression())) { + if (requiresComputation(memberSelect.getExpression())) { return Optional.empty(); } return Optional.of( - SourceCode.treeToString(method.getExpression(), state) + SourceCode.treeToString(memberSelect.getExpression(), state) + "::" - + (invocation.getTypeArguments().isEmpty() + + (methodInvocation.getTypeArguments().isEmpty() ? "" - : invocation.getTypeArguments().stream() + : methodInvocation.getTypeArguments().stream() .map(arg -> SourceCode.treeToString(arg, state)) .collect(joining(",", "<", ">"))) - + method.getIdentifier()); + + memberSelect.getIdentifier()); } }