001    /**
002     * Copyright (c) 2000-present 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.wiki.action;
016    
017    import com.liferay.portal.kernel.portlet.SettingsConfigurationAction;
018    import com.liferay.portal.kernel.servlet.SessionErrors;
019    import com.liferay.portal.kernel.util.Validator;
020    
021    import javax.portlet.ActionRequest;
022    import javax.portlet.ActionResponse;
023    import javax.portlet.PortletConfig;
024    
025    /**
026     * @author Bruno Farache
027     */
028    public class ConfigurationActionImpl extends SettingsConfigurationAction {
029    
030            @Override
031            public void processAction(
032                            PortletConfig portletConfig, ActionRequest actionRequest,
033                            ActionResponse actionResponse)
034                    throws Exception {
035    
036                    validateDisplaySettings(actionRequest);
037    
038                    super.processAction(portletConfig, actionRequest, actionResponse);
039            }
040    
041            protected void validateDisplaySettings(ActionRequest actionRequest) {
042                    String visibleNodes = getParameter(actionRequest, "visibleNodes");
043    
044                    if (Validator.isNull(visibleNodes)) {
045                            SessionErrors.add(actionRequest, "visibleNodesCount");
046                    }
047            }
048    
049    }