Class OptionalOfRedundantMethod
java.lang.Object
com.google.errorprone.bugpatterns.BugChecker
com.google.errorprone.bugpatterns.OptionalOfRedundantMethod
- All Implemented Interfaces:
BugChecker.MethodInvocationTreeMatcher, Suppressible, Serializable
public class OptionalOfRedundantMethod
extends BugChecker
implements BugChecker.MethodInvocationTreeMatcher
Checks if
Optional#of
is chained with a redundant method.
Optional#of
will always return a non-empty optional. Using any of the following
methods:
isPresent
ifPresent
orElse
orElseGet
orElseThrow
or
(only for Guava optionals)orNull
(only for Guava optionals)
- See Also:
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Nested Class Summary
Nested classes/interfaces inherited from class BugChecker
BugChecker.AnnotatedTypeTreeMatcher, BugChecker.AnnotationTreeMatcher, BugChecker.ArrayAccessTreeMatcher, BugChecker.ArrayTypeTreeMatcher, BugChecker.AssertTreeMatcher, BugChecker.AssignmentTreeMatcher, BugChecker.BinaryTreeMatcher, BugChecker.BindingPatternTreeMatcher, BugChecker.BlockTreeMatcher, BugChecker.BreakTreeMatcher, BugChecker.CaseTreeMatcher, BugChecker.CatchTreeMatcher, BugChecker.ClassTreeMatcher, BugChecker.CompilationUnitTreeMatcher, BugChecker.CompoundAssignmentTreeMatcher, BugChecker.ConditionalExpressionTreeMatcher, BugChecker.ContinueTreeMatcher, BugChecker.DoWhileLoopTreeMatcher, BugChecker.EmptyStatementTreeMatcher, BugChecker.EnhancedForLoopTreeMatcher, BugChecker.ExportsTreeMatcher, BugChecker.ExpressionStatementTreeMatcher, BugChecker.ForLoopTreeMatcher, BugChecker.IdentifierTreeMatcher, BugChecker.IfTreeMatcher, BugChecker.ImportTreeMatcher, BugChecker.InstanceOfTreeMatcher, BugChecker.IntersectionTypeTreeMatcher, BugChecker.LabeledStatementTreeMatcher, BugChecker.LambdaExpressionTreeMatcher, BugChecker.LiteralTreeMatcher, BugChecker.MemberReferenceTreeMatcher, BugChecker.MemberSelectTreeMatcher, BugChecker.MethodInvocationTreeMatcher, BugChecker.MethodTreeMatcher, BugChecker.ModifiersTreeMatcher, BugChecker.ModuleTreeMatcher, BugChecker.NewArrayTreeMatcher, BugChecker.NewClassTreeMatcher, BugChecker.OpensTreeMatcher, BugChecker.PackageTreeMatcher, BugChecker.ParameterizedTypeTreeMatcher, BugChecker.ParenthesizedTreeMatcher, BugChecker.PrimitiveTypeTreeMatcher, BugChecker.ProvidesTreeMatcher, BugChecker.RequiresTreeMatcher, BugChecker.ReturnTreeMatcher, BugChecker.SuppressibleTreePathScanner<R,
P>, BugChecker.SwitchExpressionTreeMatcher, BugChecker.SwitchTreeMatcher, BugChecker.SynchronizedTreeMatcher, BugChecker.ThrowTreeMatcher, BugChecker.TryTreeMatcher, BugChecker.TypeCastTreeMatcher, BugChecker.TypeParameterTreeMatcher, BugChecker.UnaryTreeMatcher, BugChecker.UnionTypeTreeMatcher, BugChecker.UsesTreeMatcher, BugChecker.VariableTreeMatcher, BugChecker.WhileLoopTreeMatcher, BugChecker.WildcardTreeMatcher, BugChecker.YieldTreeMatcher -
Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionmatchMethodInvocation
(MethodInvocationTree tree, VisitorState state) Methods inherited from class BugChecker
allNames, buildDescription, buildDescription, buildDescription, canonicalName, customSuppressionAnnotations, defaultSeverity, describeMatch, describeMatch, describeMatch, describeMatch, describeMatch, describeMatch, disableable, equals, hashCode, isSuppressed, isSuppressed, isSuppressed, isSuppressed, linkUrl, message, supportsSuppressWarnings, suppressedByAnyOf, suppressedRegions
Methods inherited from class Object
clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait
Methods inherited from interface Suppressible
allNames, canonicalName, customSuppressionAnnotations, supportsSuppressWarnings, suppressedByAnyOf
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Constructor Details
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OptionalOfRedundantMethod
public OptionalOfRedundantMethod()
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Method Details
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matchMethodInvocation
- Specified by:
matchMethodInvocation
in interfaceBugChecker.MethodInvocationTreeMatcher
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