Class ExprTextUtils

java.lang.Object

org.eclipse.rdf4j.queryrender.sparql.util.ExprTextUtils

public final class ExprTextUtils
extends Object

Helpers for adding/removing parentheses around expression text.

Method Summary

Modifier and Type	Method	Description
static String	parenthesizeIfNeededExpr(String expr)	Parenthesize an expression only if the current string is not already wrapped by a single outer pair.
static String	parenthesizeIfNeededSimple(String s)	Simple parentheses wrapper used in a few contexts (e.g., HAVING NOT): if the string is non-empty and does not start with '(', wrap it.
static String	stripRedundantOuterParens(String s)

Methods inherited from class Object

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

Method Details

stripRedundantOuterParens

public static String stripRedundantOuterParens(String s)

parenthesizeIfNeededSimple

public static String parenthesizeIfNeededSimple(String s)

Simple parentheses wrapper used in a few contexts (e.g., HAVING NOT): if the string is non-empty and does not start with '(', wrap it.

parenthesizeIfNeededExpr

public static String parenthesizeIfNeededExpr(String expr)

Parenthesize an expression only if the current string is not already wrapped by a single outer pair.