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.imagegallery.model.impl;
016    
017    import com.liferay.portal.kernel.exception.PortalException;
018    import com.liferay.portal.kernel.exception.SystemException;
019    import com.liferay.portlet.imagegallery.model.IGFolder;
020    import com.liferay.portlet.imagegallery.model.IGFolderConstants;
021    import com.liferay.portlet.imagegallery.service.IGFolderLocalServiceUtil;
022    
023    import java.util.ArrayList;
024    import java.util.List;
025    
026    /**
027     * @author Brian Wing Shun Chan
028     */
029    public class IGFolderImpl extends IGFolderModelImpl implements IGFolder {
030    
031            public IGFolderImpl() {
032            }
033    
034            public List<IGFolder> getAncestors()
035                    throws PortalException, SystemException {
036    
037                    List<IGFolder> ancestors = new ArrayList<IGFolder>();
038    
039                    IGFolder folder = this;
040    
041                    while (true) {
042                            if (!folder.isRoot()) {
043                                    folder = folder.getParentFolder();
044    
045                                    ancestors.add(folder);
046                            }
047                            else {
048                                    break;
049                            }
050                    }
051    
052                    return ancestors;
053            }
054    
055            public IGFolder getParentFolder()
056                    throws PortalException, SystemException {
057    
058                    if (getParentFolderId() == IGFolderConstants.DEFAULT_PARENT_FOLDER_ID) {
059                            return null;
060                    }
061    
062                    return IGFolderLocalServiceUtil.getFolder(getParentFolderId());
063            }
064    
065            public boolean isRoot() {
066                    if (getParentFolderId() == IGFolderConstants.DEFAULT_PARENT_FOLDER_ID) {
067                            return true;
068                    }
069                    else {
070                            return false;
071                    }
072            }
073    
074    }