com.netstorm.localization.MyLocaleResolver.java Source code

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Here is the source code for com.netstorm.localization.MyLocaleResolver.java

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/*
 *  Copyright 2010 demchuck.dima@gmail.com
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

package com.netstorm.localization;

import com.multimedia.service.locale.ILocaleService;
import gallery.model.active.LocalesServiceBean;
import java.util.Locale;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.log4j.Logger;
import org.springframework.web.servlet.LocaleResolver;

/**
 *
 * @author demchuck.dima@gmail.com
 */
public class MyLocaleResolver implements LocaleResolver {
    protected Logger logger = Logger.getLogger(getClass());

    private ILocaleService locale_service;
    private String all_locales_prefix;

    @Override
    public Locale resolveLocale(HttpServletRequest request) {
        //logger.info("resolving locale");
        LocalesServiceBean tmp = Utils.getLocalesBean(request);
        if (tmp != null) {
            return tmp.getLocale();
        }

        tmp = createLocaleBean(request);
        request.setAttribute(Utils.LOCALE_REQUEST_ATTRIBUTE_NAME, tmp);
        return tmp.getLocale();
    }

    @Override
    public void setLocale(HttpServletRequest request, HttpServletResponse response, Locale locale) {
        if (locale == null) {
            //determine cur locale
            request.setAttribute(Utils.LOCALE_REQUEST_ATTRIBUTE_NAME, createLocaleBean(request));
        } else {
            request.setAttribute(Utils.LOCALE_REQUEST_ATTRIBUTE_NAME,
                    new LocalesServiceBean(locale_service, getDefaultLocale(), locale));
        }
    }

    public LocalesServiceBean createLocaleBean(HttpServletRequest request) {
        String sub_path;
        String contextPath = request.getContextPath();
        String uri = request.getRequestURI();
        int index1 = 1 + contextPath.length();
        int index2 = uri.indexOf("/", index1);

        if (index2 > index1) {
            String locale_name = uri.substring(index1, index2);
            Boolean active = (Boolean) locale_service.getSinglePropertyU("active", "name", locale_name);
            sub_path = uri.substring(index2);

            if (active != null && (active || sub_path.startsWith(all_locales_prefix))) {
                return new LocalesServiceBean(locale_service, getDefaultLocale(), new java.util.Locale(locale_name),
                        sub_path, !sub_path.startsWith(all_locales_prefix));
            }
        }

        Locale locale = getDefaultLocale();
        if (locale == null) {
            locale = Locale.getDefault();
        }
        sub_path = uri.substring(contextPath.length());
        return new LocalesServiceBean(locale_service, getDefaultLocale(), locale, sub_path,
                !sub_path.startsWith(all_locales_prefix));
    }

    public Locale getDefaultLocale() {
        return locale_service.getDefaultLocale();
    }

    public void setLocale_service(ILocaleService value) {
        this.locale_service = value;
    }

    public void setAll_locales_prefix(String value) {
        this.all_locales_prefix = value;
    }

}