001    /**
002     * Copyright (c) 2000-2011 Liferay, Inc. All rights reserved.
003     *
004     * The contents of this file are subject to the terms of the Liferay Enterprise
005     * Subscription License ("License"). You may not use this file except in
006     * compliance with the License. You can obtain a copy of the License by
007     * contacting Liferay, Inc. See the License for the specific language governing
008     * permissions and limitations under the License, including but not limited to
009     * distribution rights of the Software.
010     *
011     *
012     *
013     */
014    
015    package com.liferay.portal.parsers.creole.visitor.impl;
016    
017    import com.liferay.portal.parsers.creole.ast.ASTNode;
018    import com.liferay.portal.parsers.creole.ast.WikiPageNode;
019    
020    import java.util.ArrayList;
021    import java.util.List;
022    
023    /**
024     * @author Miguel Pastor
025     */
026    public abstract class NodeCollectorVisitor extends BaseASTVisitor {
027    
028            public List<ASTNode> collect(WikiPageNode wikiPageNode) {
029                    _astNodes = new ArrayList<ASTNode>();
030    
031                    visit(wikiPageNode);
032    
033                    List<ASTNode> astNodes = new ArrayList<ASTNode>(_astNodes);
034    
035                    _astNodes = null;
036    
037                    return astNodes;
038            }
039    
040            protected void addNode(ASTNode node) {
041                    _astNodes.add(node);
042            }
043    
044            private List<ASTNode> _astNodes;
045    
046    }