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.documentlibrary.action;
016    
017    import com.liferay.portal.NoSuchLayoutException;
018    import com.liferay.portal.kernel.util.ParamUtil;
019    import com.liferay.portal.model.Layout;
020    import com.liferay.portal.model.LayoutConstants;
021    import com.liferay.portal.model.LayoutTypePortlet;
022    import com.liferay.portal.service.LayoutLocalServiceUtil;
023    import com.liferay.portal.util.PortalUtil;
024    import com.liferay.portal.util.PortletKeys;
025    import com.liferay.portlet.PortletURLImpl;
026    import com.liferay.portlet.documentlibrary.model.DLFolder;
027    import com.liferay.portlet.documentlibrary.service.DLFolderLocalServiceUtil;
028    
029    import javax.portlet.PortletMode;
030    import javax.portlet.PortletRequest;
031    import javax.portlet.PortletURL;
032    import javax.portlet.WindowState;
033    
034    import javax.servlet.http.HttpServletRequest;
035    import javax.servlet.http.HttpServletResponse;
036    
037    import org.apache.struts.action.Action;
038    import org.apache.struts.action.ActionForm;
039    import org.apache.struts.action.ActionForward;
040    import org.apache.struts.action.ActionMapping;
041    
042    /**
043     * @author Brian Wing Shun Chan
044     */
045    public class FindFolderAction extends Action {
046    
047            public ActionForward execute(
048                            ActionMapping mapping, ActionForm form, HttpServletRequest request,
049                            HttpServletResponse response)
050                    throws Exception {
051    
052                    try {
053                            long plid = ParamUtil.getLong(request, "p_l_id");
054                            long groupId = ParamUtil.getLong(request,"groupId");
055                            long folderId = ParamUtil.getLong(request, "folderId");
056    
057                            plid = getPlid(plid, groupId, folderId);
058    
059                            PortletURL portletURL = new PortletURLImpl(
060                                    request, PortletKeys.DOCUMENT_LIBRARY, plid,
061                                    PortletRequest.RENDER_PHASE);
062    
063                            portletURL.setWindowState(WindowState.NORMAL);
064                            portletURL.setPortletMode(PortletMode.VIEW);
065    
066                            portletURL.setParameter(
067                                    "struts_action", "/document_library/view");
068                            portletURL.setParameter("folderId", String.valueOf(folderId));
069    
070                            response.sendRedirect(portletURL.toString());
071    
072                            return null;
073                    }
074                    catch (Exception e) {
075                            PortalUtil.sendError(e, request, response);
076    
077                            return null;
078                    }
079            }
080    
081            protected long getPlid(long plid, long groupId, long folderId)
082                    throws Exception {
083    
084                    if (plid != LayoutConstants.DEFAULT_PLID) {
085                            try {
086                                    Layout layout = LayoutLocalServiceUtil.getLayout(plid);
087    
088                                    LayoutTypePortlet layoutTypePortlet =
089                                            (LayoutTypePortlet)layout.getLayoutType();
090    
091                                    if (layoutTypePortlet.hasPortletId(
092                                                    PortletKeys.DOCUMENT_LIBRARY)) {
093    
094                                            return plid;
095                                    }
096                            }
097                            catch (NoSuchLayoutException nsle) {
098                            }
099                    }
100    
101                    if (groupId <= 0) {
102                            DLFolder folder = DLFolderLocalServiceUtil.getFolder(folderId);
103    
104                            groupId = folder.getGroupId();
105                    }
106    
107                    plid = PortalUtil.getPlidFromPortletId(
108                            groupId, PortletKeys.DOCUMENT_LIBRARY);
109    
110                    if (plid != LayoutConstants.DEFAULT_PLID) {
111                            return plid;
112                    }
113                    else {
114                            throw new NoSuchLayoutException(
115                                    "No page was found with the Document Library portlet.");
116                    }
117            }
118    
119    }