Package org.sonar.java.checks.helpers

Class ExpressionsHelper

java.lang.Object

org.sonar.java.checks.helpers.ExpressionsHelper

public class ExpressionsHelper
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	ExpressionsHelper.ValueResolution<T>

Method Summary

Modifier and Type	Method	Description
static boolean	alwaysReturnSameValue(ExpressionTree expression)
static String	concatenate(ExpressionTree tree)
static ExpressionsHelper.ValueResolution<Boolean>	getConstantValueAsBoolean(ExpressionTree expression)
static ExpressionsHelper.ValueResolution<String>	getConstantValueAsString(ExpressionTree expression)
static ExpressionsHelper.ValueResolution<String>	getConstantValueAsString(ExpressionTree expression, String locationMessage)
static List<ExpressionTree>	getIdentifierAssignments(IdentifierTree identifier)
static Optional<Symbol>	getInvokedSymbol(MethodInvocationTree mit)
static ExpressionTree	getSingleWriteUsage(Symbol symbol)
static Stream<ExpressionTree>	initializedAndAssignedExpressionStream(Symbol symbol)
static boolean	isNotReassigned(Symbol symbol)
static boolean	isNotSerializable(ExpressionTree expression)
static TypeTree	reportOnClassTree(ClassTree classTree)	Return the correct tree to report on for class trees.

Methods inherited from class java.lang.Object

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

Method Details

concatenate

public static String concatenate(@Nullable
 ExpressionTree tree)

reportOnClassTree

public static TypeTree reportOnClassTree(ClassTree classTree)

Return the correct tree to report on for class trees.

Parameters:

classTree - class tree raising an issue.

Returns:

simple name of class tree or identifier in parent expression for anonymous class.

getConstantValueAsString

public static ExpressionsHelper.ValueResolution<String> getConstantValueAsString(ExpressionTree expression)

getConstantValueAsString

public static ExpressionsHelper.ValueResolution<String> getConstantValueAsString(ExpressionTree expression,
 String locationMessage)

getConstantValueAsBoolean

public static ExpressionsHelper.ValueResolution<Boolean> getConstantValueAsBoolean(ExpressionTree expression)

getSingleWriteUsage

@CheckForNull
public static ExpressionTree getSingleWriteUsage(Symbol symbol)

isNotSerializable

public static boolean isNotSerializable(ExpressionTree expression)

initializedAndAssignedExpressionStream

public static Stream<ExpressionTree> initializedAndAssignedExpressionStream(Symbol symbol)

alwaysReturnSameValue

public static boolean alwaysReturnSameValue(ExpressionTree expression)

getInvokedSymbol

public static Optional<Symbol> getInvokedSymbol(MethodInvocationTree mit)

isNotReassigned

public static boolean isNotReassigned(Symbol symbol)

getIdentifierAssignments

public static List<ExpressionTree> getIdentifierAssignments(IdentifierTree identifier)