com.liferay.portlet.rss.action.ConfigurationActionImpl.java Source code

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Here is the source code for com.liferay.portlet.rss.action.ConfigurationActionImpl.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.rss.action;

import com.liferay.portal.kernel.portlet.DefaultConfigurationAction;
import com.liferay.portal.kernel.servlet.SessionErrors;
import com.liferay.portal.kernel.servlet.SessionMessages;
import com.liferay.portal.kernel.util.Constants;
import com.liferay.portal.kernel.util.ParamUtil;
import com.liferay.portal.kernel.util.StringUtil;
import com.liferay.portal.kernel.util.Validator;
import com.liferay.portlet.PortletPreferencesFactoryUtil;

import java.util.HashMap;
import java.util.Map;

import javax.portlet.ActionRequest;
import javax.portlet.ActionResponse;
import javax.portlet.PortletConfig;
import javax.portlet.PortletPreferences;
import javax.portlet.ValidatorException;

/**
 * @author Brian Wing Shun Chan
 */
public class ConfigurationActionImpl extends DefaultConfigurationAction {

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

        String cmd = ParamUtil.getString(actionRequest, Constants.CMD);

        if (cmd.equals(Constants.UPDATE)) {
            updateSubscriptions(actionRequest);

            super.processAction(portletConfig, actionRequest, actionResponse);

            return;
        }

        String portletResource = ParamUtil.getString(actionRequest, "portletResource");

        PortletPreferences preferences = PortletPreferencesFactoryUtil.getPortletSetup(actionRequest,
                portletResource);

        if (cmd.equals("remove-footer-article")) {
            removeFooterArticle(actionRequest, preferences);
        } else if (cmd.equals("remove-header-article")) {
            removeHeaderArticle(actionRequest, preferences);
        } else if (cmd.equals("set-footer-article")) {
            setFooterArticle(actionRequest, preferences);
        } else if (cmd.equals("set-header-article")) {
            setHeaderArticle(actionRequest, preferences);
        }

        if (SessionErrors.isEmpty(actionRequest)) {
            try {
                preferences.store();
            } catch (ValidatorException ve) {
                SessionErrors.add(actionRequest, ValidatorException.class.getName(), ve);

                return;
            }

            SessionMessages.add(actionRequest,
                    portletConfig.getPortletName() + SessionMessages.KEY_SUFFIX_REFRESH_PORTLET, portletResource);

            SessionMessages.add(actionRequest,
                    portletConfig.getPortletName() + SessionMessages.KEY_SUFFIX_UPDATED_CONFIGURATION);
        }
    }

    protected void removeFooterArticle(ActionRequest actionRequest, PortletPreferences preferences)
            throws Exception {

        preferences.setValues("footerArticleValues", new String[] { "0", "" });
    }

    protected void removeHeaderArticle(ActionRequest actionRequest, PortletPreferences preferences)
            throws Exception {

        preferences.setValues("headerArticleValues", new String[] { "0", "" });
    }

    protected void setFooterArticle(ActionRequest actionRequest, PortletPreferences preferences) throws Exception {

        long articleGroupId = ParamUtil.getLong(actionRequest, "articleGroupId");
        String articleId = ParamUtil.getString(actionRequest, "articleId");

        preferences.setValues("footerArticleValues", new String[] { String.valueOf(articleGroupId), articleId });
    }

    protected void setHeaderArticle(ActionRequest actionRequest, PortletPreferences preferences) throws Exception {

        long articleGroupId = ParamUtil.getLong(actionRequest, "articleGroupId");
        String articleId = ParamUtil.getString(actionRequest, "articleId");

        preferences.setValues("headerArticleValues", new String[] { String.valueOf(articleGroupId), articleId });
    }

    protected void updateSubscriptions(ActionRequest actionRequest) throws Exception {

        int[] subscriptionIndexes = StringUtil.split(ParamUtil.getString(actionRequest, "subscriptionIndexes"), 0);

        Map<String, String> subscriptions = new HashMap<String, String>();

        for (int subscriptionIndex : subscriptionIndexes) {
            String url = ParamUtil.getString(actionRequest, "url" + subscriptionIndex);
            String title = ParamUtil.getString(actionRequest, "title" + subscriptionIndex);

            if (Validator.isNull(url)) {
                continue;
            }

            subscriptions.put(url, title);
        }

        String[] urls = new String[subscriptions.size()];
        String[] titles = new String[subscriptions.size()];

        int i = 0;

        for (Map.Entry<String, String> entry : subscriptions.entrySet()) {
            urls[i] = entry.getKey();
            titles[i] = entry.getValue();

            i++;
        }

        setPreference(actionRequest, "urls", urls);
        setPreference(actionRequest, "titles", titles);
    }

}