com.liferay.site.navigation.language.web.internal.display.context.SiteNavigationLanguageDisplayContext.java Source code

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Here is the source code for com.liferay.site.navigation.language.web.internal.display.context.SiteNavigationLanguageDisplayContext.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.site.navigation.language.web.internal.display.context;

import com.liferay.portal.kernel.language.LanguageUtil;
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.ArrayUtil;
import com.liferay.portal.kernel.util.KeyValuePair;
import com.liferay.portal.kernel.util.KeyValuePairComparator;
import com.liferay.portal.kernel.util.ListUtil;
import com.liferay.portal.kernel.util.LocaleUtil;
import com.liferay.portal.kernel.util.SetUtil;
import com.liferay.portal.kernel.util.StringUtil;
import com.liferay.portal.kernel.util.WebKeys;
import com.liferay.portlet.display.template.PortletDisplayTemplate;
import com.liferay.site.navigation.language.web.configuration.SiteNavigationLanguagePortletInstanceConfiguration;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Locale;
import java.util.Set;

import javax.servlet.http.HttpServletRequest;

/**
 * @author Julio Camarero
 */
public class SiteNavigationLanguageDisplayContext {

    public SiteNavigationLanguageDisplayContext(HttpServletRequest request) throws ConfigurationException {

        _portletDisplayTemplate = (PortletDisplayTemplate) request.getAttribute(WebKeys.PORTLET_DISPLAY_TEMPLATE);

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

        PortletDisplay portletDisplay = _themeDisplay.getPortletDisplay();

        _siteNavigationLanguagePortletInstanceConfiguration = portletDisplay
                .getPortletInstanceConfiguration(SiteNavigationLanguagePortletInstanceConfiguration.class);
    }

    public List<KeyValuePair> getAvailableLanguageIdKVPs() {
        List<KeyValuePair> availableLanguageIdKVPs = new ArrayList<>();

        String[] languageIds = getLanguageIds();

        Arrays.sort(languageIds);

        Set<String> availableLanguageIdsSet = SetUtil.fromArray(getAvailableLanguageIds());

        for (String languageId : availableLanguageIdsSet) {
            if (Arrays.binarySearch(languageIds, languageId) < 0) {
                Locale locale = LocaleUtil.fromLanguageId(languageId);

                availableLanguageIdKVPs
                        .add(new KeyValuePair(languageId, locale.getDisplayName(_themeDisplay.getLocale())));
            }
        }

        availableLanguageIdKVPs = ListUtil.sort(availableLanguageIdKVPs, new KeyValuePairComparator(false, true));

        return availableLanguageIdKVPs;
    }

    public String[] getAvailableLanguageIds() {
        if (_availableLanguageIds != null) {
            return _availableLanguageIds;
        }

        _availableLanguageIds = LocaleUtil
                .toLanguageIds(LanguageUtil.getAvailableLocales(_themeDisplay.getSiteGroupId()));

        return _availableLanguageIds;
    }

    public List<KeyValuePair> getCurrentLanguageIdKVPs() {
        List<KeyValuePair> currentLanguageIdKVPs = new ArrayList<>();

        String[] languageIds = getLanguageIds();

        for (String languageId : languageIds) {
            Locale locale = LocaleUtil.fromLanguageId(languageId);

            currentLanguageIdKVPs
                    .add(new KeyValuePair(languageId, locale.getDisplayName(_themeDisplay.getLocale())));
        }

        return currentLanguageIdKVPs;
    }

    public String getDDMTemplateKey() {
        if (_ddmTemplateKey != null) {
            return _ddmTemplateKey;
        }

        String displayStyle = _siteNavigationLanguagePortletInstanceConfiguration.displayStyle();

        if (displayStyle != null) {
            _ddmTemplateKey = _portletDisplayTemplate.getDDMTemplateKey(displayStyle);
        }

        return _ddmTemplateKey;
    }

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

        _displayStyleGroupId = _siteNavigationLanguagePortletInstanceConfiguration.displayStyleGroupId();

        if (_displayStyleGroupId <= 0) {
            _displayStyleGroupId = _themeDisplay.getSiteGroupId();
        }

        return _displayStyleGroupId;
    }

    public String[] getLanguageIds() {
        if (_languageIds != null) {
            return _languageIds;
        }

        _languageIds = StringUtil.split(_siteNavigationLanguagePortletInstanceConfiguration.languageIds());

        if (ArrayUtil.isEmpty(_languageIds)) {
            _languageIds = getAvailableLanguageIds();
        }

        return _languageIds;
    }

    public SiteNavigationLanguagePortletInstanceConfiguration getSiteNavigationLanguagePortletInstanceConfiguration() {

        return _siteNavigationLanguagePortletInstanceConfiguration;
    }

    private String[] _availableLanguageIds;
    private String _ddmTemplateKey;
    private long _displayStyleGroupId;
    private String[] _languageIds;
    private final PortletDisplayTemplate _portletDisplayTemplate;
    private final SiteNavigationLanguagePortletInstanceConfiguration _siteNavigationLanguagePortletInstanceConfiguration;
    private final ThemeDisplay _themeDisplay;

}