com.liferay.portlet.layoutsadmin.action.RobotsAction.java Source code

Introduction

Here is the source code for com.liferay.portlet.layoutsadmin.action.RobotsAction.java

Source

/**
 * 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.layoutsadmin.action;

import com.liferay.portal.LayoutSetVirtualHostException;
import com.liferay.portal.NoSuchLayoutSetException;
import com.liferay.portal.NoSuchVirtualHostException;
import com.liferay.portal.kernel.log.Log;
import com.liferay.portal.kernel.log.LogFactoryUtil;
import com.liferay.portal.kernel.servlet.ServletResponseUtil;
import com.liferay.portal.kernel.util.ContentTypes;
import com.liferay.portal.kernel.util.GetterUtil;
import com.liferay.portal.kernel.util.StringPool;
import com.liferay.portal.kernel.util.Validator;
import com.liferay.portal.model.Company;
import com.liferay.portal.model.Group;
import com.liferay.portal.model.LayoutSet;
import com.liferay.portal.service.GroupLocalServiceUtil;
import com.liferay.portal.service.LayoutSetLocalServiceUtil;
import com.liferay.portal.util.PortalUtil;
import com.liferay.portal.util.PropsValues;
import com.liferay.portal.util.RobotsUtil;

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

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

import java.util.Enumeration;

/**
 * @author David Truong
 */
public class RobotsAction extends Action {

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

        try {
            String host = GetterUtil.getString(PortalUtil.getHost(request));

            LayoutSet layoutSet = null;

            try {
                layoutSet = LayoutSetLocalServiceUtil.getLayoutSet(host);
            } catch (LayoutSetVirtualHostException lsvhe) {
                Company company = PortalUtil.getCompany(request);

                if (host.equals(company.getVirtualHostname())
                        && Validator.isNotNull(PropsValues.VIRTUAL_HOSTS_DEFAULT_SITE_NAME)) {

                    Group defaultGroup = GroupLocalServiceUtil.getGroup(company.getCompanyId(),
                            PropsValues.VIRTUAL_HOSTS_DEFAULT_SITE_NAME);

                    layoutSet = defaultGroup.getPublicLayoutSet();
                }
            }
            /*================ start changes ================*/
            catch (NoSuchLayoutSetException | NoSuchVirtualHostException nse) {
                if (_log.isErrorEnabled()) {
                    _log.error(
                            "Ignored exception: " + nse.getMessage() + " Headers: " + printRequestHeaders(request));
                }
            }
            /*================ end changes ================*/

            String robots = RobotsUtil.getRobots(layoutSet);

            ServletResponseUtil.sendFile(request, response, null, robots.getBytes(StringPool.UTF8),
                    ContentTypes.TEXT_PLAIN_UTF8);
        } catch (Exception e) {
            if (_log.isWarnEnabled()) {
                _log.warn(e, e);
            }

            PortalUtil.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e, request, response);
        }

        return null;
    }

    /*================ start changes ================*/
    private String printRequestHeaders(HttpServletRequest request) {
        StringBuilder sb = new StringBuilder();
        Enumeration headerNames = request.getHeaderNames();
        while (headerNames.hasMoreElements()) {
            String headerName = (String) headerNames.nextElement();
            sb.append(headerName).append("==").append(request.getHeader(headerName)).append("; ");
        }
        return sb.toString();
    }
    /*================ end changes ================*/

    private static Log _log = LogFactoryUtil.getLog(RobotsAction.class);

}