com.liferay.portlet.myplaces.action.ViewAction.java Source code

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Here is the source code for com.liferay.portlet.myplaces.action.ViewAction.java

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/**
 * Copyright (c) 2000-2012 Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 */

package com.liferay.portlet.myplaces.action;

import com.liferay.portal.NoSuchLayoutSetException;
import com.liferay.portal.kernel.servlet.SessionErrors;
import com.liferay.portal.kernel.util.GetterUtil;
import com.liferay.portal.kernel.util.ParamUtil;
import com.liferay.portal.kernel.util.Validator;
import com.liferay.portal.model.Group;
import com.liferay.portal.model.Layout;
import com.liferay.portal.model.LayoutConstants;
import com.liferay.portal.security.permission.ActionKeys;
import com.liferay.portal.security.permission.PermissionChecker;
import com.liferay.portal.service.GroupLocalServiceUtil;
import com.liferay.portal.service.LayoutLocalServiceUtil;
import com.liferay.portal.service.permission.LayoutPermissionUtil;
import com.liferay.portal.struts.PortletAction;
import com.liferay.portal.theme.ThemeDisplay;
import com.liferay.portal.util.PortalUtil;
import com.liferay.portal.util.WebKeys;

import java.util.List;

import javax.portlet.ActionRequest;
import javax.portlet.ActionResponse;
import javax.portlet.PortletConfig;
import javax.portlet.RenderRequest;
import javax.portlet.RenderResponse;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

/**
 * @author Brian Wing Shun Chan
 * @author Hugo Huijser
 */
public class ViewAction extends PortletAction {

    @Override
    public ActionForward strutsExecute(ActionMapping mapping, ActionForm form, HttpServletRequest request,
            HttpServletResponse response) throws Exception {

        ThemeDisplay themeDisplay = (ThemeDisplay) request.getAttribute(WebKeys.THEME_DISPLAY);

        long groupId = ParamUtil.getLong(request, "groupId");
        String privateLayoutParam = request.getParameter("privateLayout");

        List<Layout> layouts = getLayouts(groupId, privateLayoutParam);

        if (layouts.isEmpty()) {
            SessionErrors.add(request, NoSuchLayoutSetException.class.getName(), new NoSuchLayoutSetException(
                    "{groupId=" + groupId + ",privateLayout=" + privateLayoutParam + "}"));
        }

        String redirect = getRedirect(themeDisplay, layouts, groupId, privateLayoutParam);

        if (Validator.isNull(redirect)) {
            redirect = ParamUtil.getString(request, "redirect");
        }

        response.sendRedirect(redirect);

        return null;
    }

    @Override
    public void processAction(ActionMapping mapping, ActionForm form, PortletConfig portletConfig,
            ActionRequest actionRequest, ActionResponse actionResponse) throws Exception {

        ThemeDisplay themeDisplay = (ThemeDisplay) actionRequest.getAttribute(WebKeys.THEME_DISPLAY);

        long groupId = ParamUtil.getLong(actionRequest, "groupId");
        String privateLayoutParam = actionRequest.getParameter("privateLayout");

        List<Layout> layouts = getLayouts(groupId, privateLayoutParam);

        if (layouts.isEmpty()) {
            SessionErrors.add(actionRequest, NoSuchLayoutSetException.class.getName(), new NoSuchLayoutSetException(
                    "{groupId=" + groupId + ",privateLayout=" + privateLayoutParam + "}"));
        }

        String redirect = getRedirect(themeDisplay, layouts, groupId, privateLayoutParam);

        if (Validator.isNull(redirect)) {
            redirect = PortalUtil.escapeRedirect(ParamUtil.getString(actionRequest, "redirect"));
        }

        if (Validator.isNotNull(redirect)) {
            actionResponse.sendRedirect(redirect);
        }
    }

    @Override
    public ActionForward render(ActionMapping mapping, ActionForm form, PortletConfig portletConfig,
            RenderRequest renderRequest, RenderResponse renderResponse) throws Exception {

        return mapping.findForward("portlet.my_sites.view");
    }

    protected List<Layout> getLayouts(long groupId, String privateLayoutParam) throws Exception {

        List<Layout> layouts = null;

        boolean privateLayout = false;

        if (Validator.isNull(privateLayoutParam)) {
            layouts = getLayouts(groupId, false);

            if (layouts.isEmpty()) {
                layouts = getLayouts(groupId, true);
            }
        } else {
            privateLayout = GetterUtil.getBoolean(privateLayoutParam);

            layouts = getLayouts(groupId, privateLayout);
        }

        return layouts;
    }

    protected List<Layout> getLayouts(long groupId, boolean privateLayout) throws Exception {

        return LayoutLocalServiceUtil.getLayouts(groupId, privateLayout, LayoutConstants.DEFAULT_PARENT_LAYOUT_ID);
    }

    protected String getRedirect(ThemeDisplay themeDisplay, List<Layout> layouts, long groupId,
            String privateLayoutParam) throws Exception {

        PermissionChecker permissionChecker = themeDisplay.getPermissionChecker();

        boolean checkGuest = permissionChecker.isCheckGuest();

        try {
            for (Layout layout : layouts) {
                if (layout.isPrivateLayout()) {
                    permissionChecker.setCheckGuest(false);
                } else {
                    permissionChecker.setCheckGuest(true);
                }

                if (!layout.isHidden()
                        && LayoutPermissionUtil.contains(permissionChecker, layout, ActionKeys.VIEW)) {

                    return PortalUtil.getLayoutURL(layout, themeDisplay);
                }
            }
        } finally {
            permissionChecker.setCheckGuest(checkGuest);
        }

        Group group = GroupLocalServiceUtil.getGroup(groupId);

        return PortalUtil.getGroupFriendlyURL(group, GetterUtil.getBoolean(privateLayoutParam), themeDisplay);
    }

    @Override
    protected boolean isCheckMethodOnProcessAction() {
        return _CHECK_METHOD_ON_PROCESS_ACTION;
    }

    private static final boolean _CHECK_METHOD_ON_PROCESS_ACTION = false;

}