| /******************************************************************************* |
| * Copyright (c) 1998, 2016 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 from Oracle TopLink |
| ******************************************************************************/ |
| package org.eclipse.persistence.internal.jpa.parsing.jpql.antlr; |
| |
| import org.eclipse.persistence.internal.jpa.parsing.jpql.CaseInsensitiveANTLRStringStream; |
| import org.eclipse.persistence.internal.jpa.parsing.jpql.CaseInsensitiveJPQLLexer; |
| import org.eclipse.persistence.internal.libraries.antlr.runtime.CommonTokenStream; |
| |
| /***************************************************************** |
| * EJBQLParserBuilder constructs the parser for EJBQL. |
| * This is specific to ANTLR version 3.5.2 |
| ***************************************************************** |
| */ |
| public class JPQLParserBuilder { |
| |
| /** |
| * INTERNAL |
| * Build a parser for the passed ejbql string, for ANTLR version 3.5.2 |
| */ |
| public static JPQLParser buildParser(String queryText) { |
| |
| JPQLLexer lexer = new CaseInsensitiveJPQLLexer(); |
| lexer.setCharStream(new CaseInsensitiveANTLRStringStream(queryText)); |
| CommonTokenStream tokens = new CommonTokenStream(); |
| tokens.setTokenSource(lexer); |
| JPQLParser parser = new JPQLParser(tokens); |
| return parser; |
| } |
| |
| } |