Package org.sonar.java.checks

Class CompareWithEqualsVisitor

java.lang.Object

org.sonar.plugins.java.api.tree.BaseTreeVisitor

org.sonar.java.checks.CompareWithEqualsVisitor

All Implemented Interfaces:

JavaCheck, JavaFileScanner, TreeVisitor

Direct Known Subclasses:

CompareObjectWithEqualsCheck, CompareStringsBoxedTypesWithEqualsCheck

public abstract class CompareWithEqualsVisitor
extends BaseTreeVisitor
implements JavaFileScanner

Constructor Summary

Constructors

Constructor	Description
CompareWithEqualsVisitor()

Method Summary

Modifier and Type	Method	Description
protected abstract void	checkEqualityExpression(BinaryExpressionTree tree)
protected static boolean	isBoxedType(Type leftOpType, Type rightOpType)
protected static boolean	isNullComparison(Type leftOpType, Type rightOpType)
protected static boolean	isStringType(Type leftOpType, Type rightOpType)
protected void	reportIssue(SyntaxToken opToken)
void	scanFile(JavaFileScannerContext context)
void	visitBinaryExpression(BinaryExpressionTree tree)
void	visitMethod(MethodTree tree)

Methods inherited from class org.sonar.plugins.java.api.tree.BaseTreeVisitor

scan, scan, scan, visitAnnotation, visitArrayAccessExpression, visitArrayDimension, visitArrayType, visitAssertStatement, visitAssignmentExpression, visitBlock, visitBreakStatement, visitCaseGroup, visitCaseLabel, visitCatch, visitClass, visitCompilationUnit, visitConditionalExpression, visitContinueStatement, visitDoWhileStatement, visitEmptyStatement, visitEnumConstant, visitExportsDirectiveTree, visitExpressionStatement, visitForEachStatement, visitForStatement, visitIdentifier, visitIfStatement, visitImport, visitInstanceOf, visitLabeledStatement, visitLambdaExpression, visitLiteral, visitMemberSelectExpression, visitMethodInvocation, visitMethodReference, visitModifier, visitModule, visitNewArray, visitNewClass, visitOpensDirective, visitOther, visitPackage, visitParameterizedType, visitParenthesized, visitPrimitiveType, visitProvidesDirective, visitRequiresDirectiveTree, visitReturnStatement, visitSwitchExpression, visitSwitchStatement, visitSynchronizedStatement, visitThrowStatement, visitTryStatement, visitTypeArguments, visitTypeCast, visitTypeParameter, visitTypeParameters, visitUnaryExpression, visitUnionType, visitUsesDirective, visitVariable, visitVarType, visitWhileStatement, visitWildcard

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

CompareWithEqualsVisitor

public CompareWithEqualsVisitor()

Method Detail

scanFile

public void scanFile(JavaFileScannerContext context)

Specified by:

scanFile in interface JavaFileScanner

visitMethod

public final void visitMethod(MethodTree tree)

Specified by:

visitMethod in interface TreeVisitor

Overrides:

visitMethod in class BaseTreeVisitor

visitBinaryExpression

public final void visitBinaryExpression(BinaryExpressionTree tree)

Specified by:

visitBinaryExpression in interface TreeVisitor

Overrides:

visitBinaryExpression in class BaseTreeVisitor

checkEqualityExpression

protected abstract void checkEqualityExpression(BinaryExpressionTree tree)

isNullComparison

protected static boolean isNullComparison(Type leftOpType,
                                          Type rightOpType)

isStringType

protected static boolean isStringType(Type leftOpType,
                                      Type rightOpType)

isBoxedType

protected static boolean isBoxedType(Type leftOpType,
                                     Type rightOpType)

reportIssue

protected void reportIssue(SyntaxToken opToken)