001    /**
002     * Copyright (c) 2000-2010 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.asset.model.impl;
016    
017    import com.liferay.portal.kernel.exception.PortalException;
018    import com.liferay.portal.kernel.exception.SystemException;
019    import com.liferay.portlet.asset.model.AssetCategory;
020    import com.liferay.portlet.asset.service.AssetCategoryLocalServiceUtil;
021    
022    import java.util.ArrayList;
023    import java.util.List;
024    
025    /**
026     * @author Brian Wing Shun Chan
027     */
028    public class AssetCategoryImpl
029            extends AssetCategoryModelImpl implements AssetCategory {
030    
031            public AssetCategoryImpl() {
032            }
033    
034            public List<AssetCategory> getAncestors()
035                    throws PortalException, SystemException {
036    
037                    List<AssetCategory> categories = new ArrayList<AssetCategory>();
038    
039                    AssetCategory category = this;
040    
041                    while (true) {
042                            if (!category.isRootCategory()) {
043                                    category = AssetCategoryLocalServiceUtil.getAssetCategory(
044                                            category.getParentCategoryId());
045    
046                                    categories.add(category);
047                            }
048                            else {
049                                    break;
050                            }
051                    }
052    
053                    return categories;
054            }
055    
056            public boolean isRootCategory() {
057                    if (getParentCategoryId() == 0) {
058                            return true;
059                    }
060                    else {
061                            return false;
062                    }
063            }
064    
065    }