common.interceptors.MyInterceptor.java Source code

Introduction

Here is the source code for common.interceptors.MyInterceptor.java

Source

/*
 *  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 common.interceptors;

import common.cms.ICmsConfig;
import gallery.model.beans.Pages;
import com.multimedia.core.pages.types.IPagesType;
import gallery.web.controller.pages.types.UrlBean;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.log4j.Logger;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

/**
 *
 * @author demchuck.dima@gmail.com
 */
public class MyInterceptor implements HandlerInterceptor {
    protected final Logger log = Logger.getLogger(getClass());

    protected String encoding = "UTF-8";
    protected IPagesType type;
    protected ICmsConfig config;

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler)
            throws Exception {
        request.setCharacterEncoding(encoding);
        return true;
    }

    @Override
    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler,
            ModelAndView modelAndView) throws Exception {
    }

    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler,
            Exception ex) throws Exception {
        if (ex != null) {
            log.error(":(", ex);
            //trying to show error page
            Pages errorPage = (Pages) request.getAttribute("error_page");
            if (errorPage != null) {
                request.setAttribute(gallery.web.controller.pages.Config.CURRENT_PAGE_ATTRIBUTE, errorPage);
                UrlBean url = type.execute(request, response);
                request.setAttribute(config.getUrlAttribute(), url);
                request.getRequestDispatcher(config.getTemplateUrl()).forward(request, response);
            }
        }
    }

    public void setErrorType(IPagesType type) {
        this.type = type;
    }

    public void setCharacterEncoding(String s) {
        this.encoding = s;
    }

    public void setConfig(ICmsConfig c) {
        this.config = c;
    }

}