/*******************************************************************************
* Copyright (c) 2006, 2015 Oracle and/or its affiliates. All rights reserved.
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
* which accompanies this distribution.
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
* and the Eclipse Distribution License is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* Contributors:
* Oracle - initial API and implementation
*
******************************************************************************/
package org.eclipse.persistence.jpa.jpql.parser;
import org.eclipse.persistence.jpa.jpql.WordParser;
/**
* This {@link StringLiteralFactory} is responsible to parse a sub-query starting with a single quote.
*
* @see StringLiteral
*
* @version 2.4
* @since 2.3
* @author Pascal Filion
*/
@SuppressWarnings("nls")
public final class StringLiteralFactory extends ExpressionFactory {
/**
* The unique identifier of this {@link StringLiteralFactory}.
*/
public static final String ID = "string-literal";
/**
* Creates a new <code>StringLiteralFactory</code>.
*/
public StringLiteralFactory() {
super(ID, Expression.QUOTE);
}
/**
* {@inheritDoc}
*/
@Override
protected AbstractExpression buildExpression(AbstractExpression parent,
WordParser wordParser,
String word,
JPQLQueryBNF queryBNF,
AbstractExpression expression,
boolean tolerant) {
expression = new StringLiteral(parent, word);
expression.parse(wordParser, tolerant);
return expression;
}
}