be.fedict.eid.tsl.TrustServiceListUtils.java Source code

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Here is the source code for be.fedict.eid.tsl.TrustServiceListUtils.java

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/*
l * eID TSL Project.
 * Copyright (C) 2009 FedICT.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License version
 * 3.0 as published by the Free Software Foundation.
 *
 * This software 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.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, see 
 * http://www.gnu.org/licenses/.
 */

package be.fedict.eid.tsl;

import java.util.List;
import java.util.Locale;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import be.fedict.eid.tsl.jaxb.tsl.InternationalNamesType;
import be.fedict.eid.tsl.jaxb.tsl.MultiLangNormStringType;
import be.fedict.eid.tsl.jaxb.tsl.ObjectFactory;

/**
 * Utility class for trust service lists.
 * 
 * @author fcorneli
 * 
 */
class TrustServiceListUtils {

    private static final Log LOG = LogFactory.getLog(TrustServiceListUtils.class);

    private TrustServiceListUtils() {
        super();
    }

    /**
     * Gives back the value according to the given locale.
     * 
     * @param i18nName
     * @param locale
     * @return
     */
    static String getValue(InternationalNamesType i18nName, Locale locale) {
        if (null == i18nName) {
            return null;
        }
        List<MultiLangNormStringType> names = i18nName.getName();
        String enValue = null;
        for (MultiLangNormStringType name : names) {
            String lang = name.getLang().toLowerCase();
            if ("en".equals(lang)) {
                enValue = name.getValue();
            }
            if (locale.getLanguage().equals(lang)) {
                return name.getValue();
            }
        }
        if (null != enValue) {
            return enValue;
        }
        return names.get(0).getValue();
    }

    /**
     * Sets the value according to the given locale.
     * 
     * @param value
     * @param locale
     * @param i18nName
     */
    public static void setValue(String value, Locale locale, InternationalNamesType i18nName) {
        LOG.debug("set value for locale: " + locale.getLanguage());
        List<MultiLangNormStringType> names = i18nName.getName();
        /*
         * First try to locate an existing entry for the given locale.
         */
        MultiLangNormStringType localeName = null;
        for (MultiLangNormStringType name : names) {
            String lang = name.getLang().toLowerCase();
            if (locale.getLanguage().equals(lang)) {
                localeName = name;
                break;
            }
        }
        if (null == localeName) {
            /*
             * If none was found, create a new one.
             */
            ObjectFactory objectFactory = new ObjectFactory();
            localeName = objectFactory.createMultiLangNormStringType();
            localeName.setLang(locale.getLanguage());
            names.add(localeName);
        }
        localeName.setValue(value);
    }
}