com.liferay.rss.web.internal.display.context.RSSDisplayContext.java Source code

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Here is the source code for com.liferay.rss.web.internal.display.context.RSSDisplayContext.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.rss.web.internal.display.context;

import com.liferay.petra.string.StringPool;
import com.liferay.portal.kernel.module.configuration.ConfigurationException;
import com.liferay.portal.kernel.theme.PortletDisplay;
import com.liferay.portal.kernel.theme.ThemeDisplay;
import com.liferay.portal.kernel.util.WebKeys;
import com.liferay.rss.web.internal.configuration.RSSPortletInstanceConfiguration;
import com.liferay.rss.web.internal.configuration.RSSWebCacheConfiguration;
import com.liferay.rss.web.internal.util.RSSFeed;

import java.util.ArrayList;
import java.util.List;

import javax.servlet.http.HttpServletRequest;

/**
 * @author Eudaldo Alonso
 */
public class RSSDisplayContext {

    public RSSDisplayContext(HttpServletRequest request, RSSWebCacheConfiguration rssWebCacheConfiguration)
            throws ConfigurationException {

        _request = request;
        _rssWebCacheConfiguration = rssWebCacheConfiguration;

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

        PortletDisplay portletDisplay = themeDisplay.getPortletDisplay();

        _rssPortletInstanceConfiguration = portletDisplay
                .getPortletInstanceConfiguration(RSSPortletInstanceConfiguration.class);
    }

    public long getDisplayStyleGroupId() {
        if (_displayStyleGroupId != 0) {
            return _displayStyleGroupId;
        }

        _displayStyleGroupId = _rssPortletInstanceConfiguration.displayStyleGroupId();

        if (_displayStyleGroupId <= 0) {
            ThemeDisplay themeDisplay = (ThemeDisplay) _request.getAttribute(WebKeys.THEME_DISPLAY);

            _displayStyleGroupId = themeDisplay.getScopeGroupId();
        }

        return _displayStyleGroupId;
    }

    public List<RSSFeed> getRSSFeeds() {
        List<RSSFeed> rssFeeds = new ArrayList<>();

        String[] titles = _rssPortletInstanceConfiguration.titles();

        String[] urls = _rssPortletInstanceConfiguration.urls();

        for (int i = 0; i < urls.length; i++) {
            String url = urls[i];

            String title = StringPool.BLANK;

            if (i < titles.length) {
                title = titles[i];
            }

            rssFeeds.add(new RSSFeed(_rssWebCacheConfiguration, url, title));
        }

        return rssFeeds;
    }

    public RSSPortletInstanceConfiguration getRSSPortletInstanceConfiguration() {

        return _rssPortletInstanceConfiguration;
    }

    private long _displayStyleGroupId;
    private final HttpServletRequest _request;
    private final RSSPortletInstanceConfiguration _rssPortletInstanceConfiguration;
    private final RSSWebCacheConfiguration _rssWebCacheConfiguration;

}