Package com.google.errorprone.bugpatterns

Class MustBeClosedChecker

java.lang.Object

com.google.errorprone.bugpatterns.BugChecker

com.google.errorprone.bugpatterns.AbstractMustBeClosedChecker

com.google.errorprone.bugpatterns.MustBeClosedChecker

All Implemented Interfaces:

BugChecker.ClassTreeMatcher, BugChecker.MethodInvocationTreeMatcher, BugChecker.MethodTreeMatcher, BugChecker.NewClassTreeMatcher, Suppressible, Serializable

public class MustBeClosedChecker
extends AbstractMustBeClosedChecker
implements BugChecker.MethodTreeMatcher, BugChecker.MethodInvocationTreeMatcher, BugChecker.NewClassTreeMatcher, BugChecker.ClassTreeMatcher

Checks if a constructor or method annotated with MustBeClosed is called within the resource variable initializer of a try-with-resources statement.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class com.google.errorprone.bugpatterns.AbstractMustBeClosedChecker

AbstractMustBeClosedChecker.FixAggregator

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 extends Object,B extends Object>, BugChecker.SwitchTreeMatcher, BugChecker.SynchronizedTreeMatcher, BugChecker.ThrowTreeMatcher, BugChecker.TryTreeMatcher, BugChecker.TypeCastTreeMatcher, BugChecker.TypeParameterTreeMatcher, BugChecker.UnaryTreeMatcher, BugChecker.UnionTypeTreeMatcher, BugChecker.VariableTreeMatcher, BugChecker.WhileLoopTreeMatcher, BugChecker.WildcardTreeMatcher

Field Summary

Fields inherited from class com.google.errorprone.bugpatterns.AbstractMustBeClosedChecker

HAS_MUST_BE_CLOSED_ANNOTATION

Constructor Summary

Constructors

Constructor	Description
MustBeClosedChecker()
MustBeClosedChecker(ErrorProneFlags flags)

Method Summary

Modifier and Type	Method	Description
Description	matchClass(com.sun.source.tree.ClassTree tree, VisitorState state)
Description	matchMethod(com.sun.source.tree.MethodTree tree, VisitorState state)	Check that the MustBeClosed annotation is only used for constructors of AutoCloseables and methods that return an AutoCloseable.
Description	matchMethodInvocation(com.sun.source.tree.MethodInvocationTree tree, VisitorState state)	Check that invocations of methods annotated with MustBeClosed are called within the resource variable initializer of a try-with-resources statement.
Description	matchNewClass(com.sun.source.tree.NewClassTree tree, VisitorState state)	Check that construction of constructors annotated with MustBeClosed occurs within the resource variable initializer of a try-with-resources statement.
protected Description	matchNewClassOrMethodInvocation(com.sun.source.tree.ExpressionTree tree, VisitorState state, AbstractMustBeClosedChecker.FixAggregator aggregator)	Check that the expression tree occurs within the resource variable initializer of a try-with-resources statement.

Methods inherited from class com.google.errorprone.bugpatterns.AbstractMustBeClosedChecker

addFix, findingPerMethod, findingPerSite, scanEntireMethodFor

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 Detail

MustBeClosedChecker

public MustBeClosedChecker()

MustBeClosedChecker

public MustBeClosedChecker(ErrorProneFlags flags)

Method Detail

matchMethod

public Description matchMethod(com.sun.source.tree.MethodTree tree,
                               VisitorState state)

Check that the MustBeClosed annotation is only used for constructors of AutoCloseables and methods that return an AutoCloseable.

Specified by:

matchMethod in interface BugChecker.MethodTreeMatcher

matchMethodInvocation

public Description matchMethodInvocation(com.sun.source.tree.MethodInvocationTree tree,
                                         VisitorState state)

Check that invocations of methods annotated with MustBeClosed are called within the resource variable initializer of a try-with-resources statement.

Specified by:

matchMethodInvocation in interface BugChecker.MethodInvocationTreeMatcher

matchNewClass

public Description matchNewClass(com.sun.source.tree.NewClassTree tree,
                                 VisitorState state)

Check that construction of constructors annotated with MustBeClosed occurs within the resource variable initializer of a try-with-resources statement.

Specified by:

matchNewClass in interface BugChecker.NewClassTreeMatcher

matchNewClassOrMethodInvocation

protected Description matchNewClassOrMethodInvocation(com.sun.source.tree.ExpressionTree tree,
                                                      VisitorState state,
                                                      AbstractMustBeClosedChecker.FixAggregator aggregator)

Description copied from class: AbstractMustBeClosedChecker

Check that the expression tree occurs within the resource variable initializer of a try-with-resources statement.

Overrides:

matchNewClassOrMethodInvocation in class AbstractMustBeClosedChecker

matchClass

public Description matchClass(com.sun.source.tree.ClassTree tree,
                              VisitorState state)

Specified by:

matchClass in interface BugChecker.ClassTreeMatcher