001    /*
002     * JBoss, Home of Professional Open Source.
003     * Copyright 2008, Red Hat Middleware LLC, and individual contributors
004     * as indicated by the @author tags. See the copyright.txt file in the
005     * distribution for a full listing of individual contributors. 
006     *
007     * This is free software; you can redistribute it and/or modify it
008     * under the terms of the GNU Lesser General Public License as
009     * published by the Free Software Foundation; either version 2.1 of
010     * the License, or (at your option) any later version.
011     *
012     * This software is distributed in the hope that it will be useful,
013     * but WITHOUT ANY WARRANTY; without even the implied warranty of
014     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
015     * Lesser General Public License for more details.
016     *
017     * You should have received a copy of the GNU Lesser General Public
018     * License along with this software; if not, write to the Free
019     * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
020     * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
021     */
022    package org.jboss.dna.sequencer.java;
023    
024    import org.eclipse.jdt.core.dom.AST;
025    import org.eclipse.jdt.core.dom.ASTNode;
026    import org.eclipse.jdt.core.dom.ASTParser;
027    
028    /**
029     * The Parser, that process the a compilation unit.
030     * 
031     * @author Serge Pagop
032     */
033    public class CompilationUnitParser {
034    
035        /**
036         * Parses and process the java source code as a compilation unit and the result it abstract syntax tree (AST) representation
037         * and this action uses the third edition of java Language Specification, that gets the possibility to support J2SE 5 during
038         * the parsing.
039         * 
040         * @param source - the java source to be parsed (i.e. the char[] contains Java source).
041         * @param resolveBindings - for resolving bindings to get more informations from the unit.
042         * @return Abstract syntax tree representation.
043         */
044        public static ASTNode runJLS3Conversion( char[] source,
045                                                 boolean resolveBindings ) {
046            // Create parser
047            ASTParser parser;
048            parser = ASTParser.newParser(AST.JLS3);
049            parser.setSource(source);
050            parser.setKind(ASTParser.K_COMPILATION_UNIT);
051            parser.setResolveBindings(resolveBindings);
052            // Parse compilation unit
053            return parser.createAST(null);
054        }
055    
056    }