001    /**
002     * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
003     *
004     * The contents of this file are subject to the terms of the Liferay Enterprise
005     * Subscription License ("License"). You may not use this file except in
006     * compliance with the License. You can obtain a copy of the License by
007     * contacting Liferay, Inc. See the License for the specific language governing
008     * permissions and limitations under the License, including but not limited to
009     * distribution rights of the Software.
010     *
011     *
012     *
013     */
014    
015    package com.liferay.portlet.messageboards.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.messageboards.model.MBCategory;
027    import com.liferay.portlet.messageboards.service.MBCategoryLocalServiceUtil;
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 FindCategoryAction 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 categoryId = ParamUtil.getLong(request, "mbCategoryId");
055    
056                            plid = getPlid(plid, categoryId);
057    
058                            PortletURL portletURL = new PortletURLImpl(
059                                    request, PortletKeys.MESSAGE_BOARDS, plid,
060                                    PortletRequest.RENDER_PHASE);
061    
062                            portletURL.setWindowState(WindowState.NORMAL);
063                            portletURL.setPortletMode(PortletMode.VIEW);
064    
065                            portletURL.setParameter(
066                                    "struts_action", "/message_boards/view");
067                            portletURL.setParameter("mbCategoryId", String.valueOf(categoryId));
068    
069                            response.sendRedirect(portletURL.toString());
070    
071                            return null;
072                    }
073                    catch (Exception e) {
074                            PortalUtil.sendError(e, request, response);
075    
076                            return null;
077                    }
078            }
079    
080            protected long getPlid(long plid, long categoryId) throws Exception {
081                    if (plid != LayoutConstants.DEFAULT_PLID) {
082                            try {
083                                    Layout layout = LayoutLocalServiceUtil.getLayout(plid);
084    
085                                    LayoutTypePortlet layoutTypePortlet =
086                                            (LayoutTypePortlet)layout.getLayoutType();
087    
088                                    if (layoutTypePortlet.hasPortletId(
089                                                    PortletKeys.MESSAGE_BOARDS)) {
090    
091                                            return plid;
092                                    }
093                            }
094                            catch (NoSuchLayoutException nsle) {
095                            }
096                    }
097    
098                    MBCategory category = MBCategoryLocalServiceUtil.getCategory(
099                            categoryId);
100    
101                    plid = PortalUtil.getPlidFromPortletId(
102                            category.getGroupId(), PortletKeys.MESSAGE_BOARDS);
103    
104                    if (plid != LayoutConstants.DEFAULT_PLID) {
105                            return plid;
106                    }
107                    else {
108                            throw new NoSuchLayoutException(
109                                    "No page was found with the Message Boards portlet.");
110                    }
111            }
112    
113    }