com.liferay.blogs.web.internal.portlet.action.ViewEntryMVCRenderCommand.java Source code

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Here is the source code for com.liferay.blogs.web.internal.portlet.action.ViewEntryMVCRenderCommand.java

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/**
 * Copyright (c) 2000-present 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.blogs.web.internal.portlet.action;

import com.liferay.blogs.kernel.exception.NoSuchEntryException;
import com.liferay.blogs.kernel.model.BlogsEntry;
import com.liferay.blogs.web.constants.BlogsPortletKeys;
import com.liferay.portal.kernel.portlet.bridges.mvc.MVCRenderCommand;
import com.liferay.portal.kernel.security.auth.PrincipalException;
import com.liferay.portal.kernel.servlet.SessionErrors;
import com.liferay.portal.kernel.util.ParamUtil;
import com.liferay.portal.kernel.util.PortalUtil;
import com.liferay.portal.kernel.util.Validator;
import com.liferay.portal.kernel.util.WebKeys;
import com.liferay.portal.util.PropsValues;

import javax.portlet.PortletException;
import javax.portlet.RenderRequest;
import javax.portlet.RenderResponse;

import javax.servlet.http.HttpServletResponse;

import org.osgi.service.component.annotations.Component;

/**
 * @author Sergio Gonzlez
 */
@Component(immediate = true, property = { "javax.portlet.name=" + BlogsPortletKeys.BLOGS,
        "javax.portlet.name=" + BlogsPortletKeys.BLOGS_ADMIN,
        "javax.portlet.name=" + BlogsPortletKeys.BLOGS_AGGREGATOR,
        "mvc.command.name=/blogs/view_entry" }, service = MVCRenderCommand.class)
public class ViewEntryMVCRenderCommand implements MVCRenderCommand {

    @Override
    public String render(RenderRequest renderRequest, RenderResponse renderResponse) throws PortletException {

        long assetCategoryId = ParamUtil.getLong(renderRequest, "categoryId");
        String assetCategoryName = ParamUtil.getString(renderRequest, "tag");

        if ((assetCategoryId > 0) || Validator.isNotNull(assetCategoryName)) {
            return "/blogs/view.jsp";
        }

        try {
            ActionUtil.getEntry(renderRequest);

            if (PropsValues.BLOGS_PINGBACK_ENABLED) {
                BlogsEntry entry = (BlogsEntry) renderRequest.getAttribute(WebKeys.BLOGS_ENTRY);

                if ((entry != null) && entry.isAllowPingbacks()) {
                    HttpServletResponse response = PortalUtil.getHttpServletResponse(renderResponse);

                    response.addHeader("X-Pingback", PortalUtil.getPortalURL(renderRequest) + "/xmlrpc/pingback");
                }
            }
        } catch (Exception e) {
            if (e instanceof NoSuchEntryException || e instanceof PrincipalException) {

                SessionErrors.add(renderRequest, e.getClass());

                return "/blogs/error.jsp";
            } else {
                throw new PortletException(e);
            }
        }

        return "/blogs/view_entry.jsp";
    }

}