net.ymate.platform.mvc.web.WebMVC.java Source code

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Here is the source code for net.ymate.platform.mvc.web.WebMVC.java

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/*
 * Copyright 2007-2107 the original author or authors.
 *
 * 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 net.ymate.platform.mvc.web;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Locale;

import net.ymate.platform.commons.i18n.I18N;
import net.ymate.platform.commons.i18n.II18NEventHandler;
import net.ymate.platform.commons.lang.BlurObject;
import net.ymate.platform.configuration.Cfgs;
import net.ymate.platform.mvc.Optional;
import net.ymate.platform.mvc.MVC;
import net.ymate.platform.mvc.web.context.WebContext;
import net.ymate.platform.mvc.web.impl.WebRequestProcessor;
import net.ymate.platform.mvc.web.support.CookieHelper;
import net.ymate.platform.mvc.web.validation.RequriedValidator;
import net.ymate.platform.validation.Validates;

import org.apache.commons.lang.StringUtils;

/**
 * <p>
 * WebMVC
 * </p>
 * <p>
 * WebMVC?
 * </p>
 * 
 * @author (suninformation@163.com)
 * @version 0.0.0
 *          <table style="border:1px solid gray;">
 *          <tr>
 *          <th width="100px">?</th><th width="100px"></th><th
 *          width="100px"></th><th width="100px"></th>
 *          </tr>
 *          <!--  Table ?? -->
 *          <tr>
 *          <td>0.0.0</td>
 *          <td></td>
 *          <td></td>
 *          <td>2012-12-7?10:23:39</td>
 *          </tr>
 *          </table>
 */
public class WebMVC extends MVC {

    //   private static final Log _LOG = LogFactory.getLog(WebMVC.class);

    static {
        Validates.registerValidatorClass(RequriedValidator.class);
    }

    /**
     * ?WebMVC?
     * 
     * @param config
     */
    public static void initialize(IWebMvcConfig config) {
        __doInitialize(config, new WebRequestProcessor());
        if (config.isI18n()) {
            final String _localKey = StringUtils
                    .defaultIfEmpty(config.getExtendParams().get(Optional.I18N_LANGUAGE_KEY), "lang");
            I18N.setEventHandler(new II18NEventHandler() {

                public Locale loadCurrentLocale() {
                    // ??URL???
                    String _langStr = (String) WebContext.getContext().get(_localKey);
                    if (_langStr == null) {
                        // ????
                        _langStr = WebContext.getRequest().getParameter(_localKey);
                        if (_langStr == null) {
                            // ???Cookies
                            BlurObject _langCookie = CookieHelper.create().getCookie(_localKey);
                            if (_langCookie != null) {
                                _langStr = _langCookie.toStringValue();
                            }
                        }
                    }
                    return MVC.localeFromStr(_langStr, MVC.getConfig().getLocale());
                }

                public void onLocaleChanged(Locale locale) {
                    CookieHelper.create().setCookie(_localKey, locale.toString());
                }

                public InputStream onLoadProperties(String resourceName) throws IOException {
                    if (Cfgs.isInited()) {
                        File _resourcefile = Cfgs.search("i18n/" + resourceName);
                        if (_resourcefile != null) {
                            return new FileInputStream(_resourcefile);
                        }
                    }
                    return null;
                }

            });
        }
    }

    /**
     * ?
     */
    public static void destory() {
        __doDestroy();
    }

    /**
     * @return ?????
     */
    public static IWebMvcConfig getConfig() {
        return (IWebMvcConfig) MVC.getConfig();
    }

}