001    /**
002     * Copyright (c) 2000-2013 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 MBCategoryBaseImpl {
030    
031            public MBCategoryImpl() {
032            }
033    
034            @Override
035            public List<Long> getAncestorCategoryIds()
036                    throws PortalException, SystemException {
037    
038                    List<Long> ancestorCategoryIds = new ArrayList<Long>();
039    
040                    MBCategory category = this;
041    
042                    while (!category.isRoot()) {
043                            category = MBCategoryLocalServiceUtil.getCategory(
044                                    category.getParentCategoryId());
045    
046                            ancestorCategoryIds.add(category.getCategoryId());
047                    }
048    
049                    return ancestorCategoryIds;
050            }
051    
052            @Override
053            public List<MBCategory> getAncestors()
054                    throws PortalException, SystemException {
055    
056                    List<MBCategory> ancestors = new ArrayList<MBCategory>();
057    
058                    MBCategory category = this;
059    
060                    while (!category.isRoot()) {
061                            category = category.getParentCategory();
062    
063                            ancestors.add(category);
064                    }
065    
066                    return ancestors;
067            }
068    
069            @Override
070            public MBCategory getParentCategory()
071                    throws PortalException, SystemException {
072    
073                    long parentCategoryId = getParentCategoryId();
074    
075                    if ((parentCategoryId ==
076                                    MBCategoryConstants.DEFAULT_PARENT_CATEGORY_ID) ||
077                            (parentCategoryId == MBCategoryConstants.DISCUSSION_CATEGORY_ID)) {
078    
079                            return null;
080                    }
081    
082                    return MBCategoryLocalServiceUtil.getCategory(getParentCategoryId());
083            }
084    
085            @Override
086            public MBCategory getTrashContainer() {
087                    MBCategory category = null;
088    
089                    try {
090                            category = getParentCategory();
091                    }
092                    catch (Exception e) {
093                            return null;
094                    }
095    
096                    while (category != null) {
097                            if (category.isInTrash()) {
098                                    return category;
099                            }
100    
101                            try {
102                                    category = category.getParentCategory();
103                            }
104                            catch (Exception e) {
105                                    return null;
106                            }
107                    }
108    
109                    return null;
110            }
111    
112            @Override
113            public boolean isInTrashContainer() {
114                    if (getTrashContainer() != null) {
115                            return true;
116                    }
117                    else {
118                            return false;
119                    }
120            }
121    
122            @Override
123            public boolean isRoot() {
124                    if (getParentCategoryId() ==
125                                    MBCategoryConstants.DEFAULT_PARENT_CATEGORY_ID) {
126    
127                            return true;
128                    }
129    
130                    return false;
131            }
132    
133    }