001    /**
002     * Copyright (c) 2000-2011 Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portlet.messageboards.model.impl;
016    
017    import com.liferay.portal.kernel.exception.PortalException;
018    import com.liferay.portal.kernel.exception.SystemException;
019    import com.liferay.portlet.messageboards.model.MBCategory;
020    import com.liferay.portlet.messageboards.model.MBCategoryConstants;
021    import com.liferay.portlet.messageboards.service.MBCategoryLocalServiceUtil;
022    
023    import java.util.ArrayList;
024    import java.util.List;
025    
026    /**
027     * @author Brian Wing Shun Chan
028     */
029    public class MBCategoryImpl extends MBCategoryModelImpl implements MBCategory {
030    
031            public MBCategoryImpl() {
032            }
033    
034            public List<Long> getAncestorCategoryIds()
035                    throws PortalException, SystemException {
036    
037                    List<Long> ancestorCategoryIds = new ArrayList<Long>();
038    
039                    MBCategory category = this;
040    
041                    while (true) {
042                            if (!category.isRoot()) {
043                                    category = MBCategoryLocalServiceUtil.getCategory(
044                                            category.getParentCategoryId());
045    
046                                    ancestorCategoryIds.add(category.getCategoryId());
047                            }
048                            else {
049                                    break;
050                            }
051                    }
052    
053                    return ancestorCategoryIds;
054            }
055    
056            public List<MBCategory> getAncestors()
057                    throws PortalException, SystemException {
058    
059                    List<MBCategory> ancestors = new ArrayList<MBCategory>();
060    
061                    MBCategory category = this;
062    
063                    while (true) {
064                            if (!category.isRoot()) {
065                                    category = MBCategoryLocalServiceUtil.getCategory(
066                                            category.getParentCategoryId());
067    
068                                    ancestors.add(category);
069                            }
070                            else {
071                                    break;
072                            }
073                    }
074    
075                    return ancestors;
076            }
077    
078            public boolean isRoot() {
079                    if (getParentCategoryId() ==
080                                    MBCategoryConstants.DEFAULT_PARENT_CATEGORY_ID) {
081    
082                            return true;
083                    }
084                    else {
085                            return false;
086                    }
087            }
088    
089    }