Class ReturnsNullCollection
java.lang.Object
com.google.errorprone.bugpatterns.BugChecker
com.google.errorprone.bugpatterns.ReturnsNullCollection
- All Implemented Interfaces:
BugChecker.ReturnTreeMatcher
,Suppressible
,Serializable
public class ReturnsNullCollection extends BugChecker
Flags methods with collection return types which return
null
in some cases but don't
annotate the method as @Nullable.- Author:
- bhagwani@google.com (Sumit Bhagwani)
- See Also:
- Serialized Form
-
Nested Class Summary
Nested classes/interfaces inherited from class com.google.errorprone.bugpatterns.BugChecker
BugChecker.AnnotatedTypeTreeMatcher, BugChecker.AnnotationTreeMatcher, BugChecker.ArrayAccessTreeMatcher, BugChecker.ArrayTypeTreeMatcher, BugChecker.AssertTreeMatcher, BugChecker.AssignmentTreeMatcher, BugChecker.BinaryTreeMatcher, 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.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.NewArrayTreeMatcher, BugChecker.NewClassTreeMatcher, BugChecker.ParameterizedTypeTreeMatcher, BugChecker.ParenthesizedTreeMatcher, BugChecker.PrimitiveTypeTreeMatcher, BugChecker.ReturnTreeMatcher, BugChecker.SuppressibleTreePathScanner<A,B>, BugChecker.SwitchTreeMatcher, BugChecker.SynchronizedTreeMatcher, BugChecker.ThrowTreeMatcher, BugChecker.TryTreeMatcher, BugChecker.TypeCastTreeMatcher, BugChecker.TypeParameterTreeMatcher, BugChecker.UnaryTreeMatcher, BugChecker.UnionTypeTreeMatcher, BugChecker.VariableTreeMatcher, BugChecker.WhileLoopTreeMatcher, BugChecker.WildcardTreeMatcher
-
Constructor Summary
Constructors Constructor Description ReturnsNullCollection()
-
Method Summary
Modifier and Type Method Description Description
matchReturn(com.sun.source.tree.ReturnTree tree, VisitorState state)
protected Optional<Fix>
provideFix(com.sun.source.tree.ReturnTree tree)
Methods inherited from class com.google.errorprone.bugpatterns.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 java.lang.Object
clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait
Methods inherited from interface com.google.errorprone.matchers.Suppressible
allNames, canonicalName, customSuppressionAnnotations, supportsSuppressWarnings, suppressedByAnyOf
-
Constructor Details
-
ReturnsNullCollection
public ReturnsNullCollection()
-
-
Method Details
-
provideFix
-
matchReturn
- Specified by:
matchReturn
in interfaceBugChecker.ReturnTreeMatcher
-