특정 URL호출을 가로채어서 추가적인 로직을 수행후 진행시키는 개념이다.

1. dispatcher-context.xml

<mvc:interceptors>
    <mvc:interceptor>
        <mvc:mapping path="/**/upload/download.do"/>
        <mvc:mapping path="/**/upload/downloadZip.do"/>
        <bean id="attachmentLogInterceptor" class="smartsuite.log.spring.accesslog.AttachmentLogInterceptor"/>
    </mvc:interceptor>
</mvc:interceptors>

2. AttachmentLogInterceptor.java

package smartsuite.log.spring.accesslog;

import java.util.Map;

import javax.inject.Inject;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.web.method.HandlerMethod;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;

import com.google.common.collect.Maps;

import smartsuite.app.common.shared.SharedService;
import smartsuite.upload.spring.management.Management;

public class AttachmentLogInterceptor extends HandlerInterceptorAdapter
{
    @Inject
    SharedService sharedService;
    
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception
    {
        return true;
    }
    
    @Override
    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception
    {
        HandlerMethod handlerMethod = null;
      
        try
        {
            handlerMethod = (HandlerMethod)handler;
            this.doAttachmentlog(request, handlerMethod);
        }
        catch (Exception e)
        {
            super.postHandle(request, response, handler, modelAndView);
        }
    }
    
    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception e) throws Exception
    {
        super.afterCompletion(request, response, handler, e);
    }
    
    private void doAttachmentlog(HttpServletRequest request, HandlerMethod handlerMethod) throws Exception
    {
        Management management = new Management();

        String[] ids = request.getParameterValues("id");

        for (String id : ids)
        {
            id = management.getFileItemEncryptor().decrypt(id);
            
            Map<String, Object> _param = Maps.newHashMap();
            _param.put("att_id"     , id);
            _param.put("client_ip"  , sharedService.getClientIpAddress(request));
            
            sharedService.insFileDownloadLog(_param);
        }
    }
}

3. SharedService.java

    /**
     * KPOPIF.IF_TI003T_PMANAGER 다운로드 로그 기록
     *
     * @author : 
     * @param : param
     * @return : Map
     * @Date : 
     * @Method Name : insFileDownloadLog
     */
    public void insFileDownloadLog(Map<String, Object> param)
    {
        sqlSession.insert("shared.insFileDownloadLog", param);
    }

4. shared.xml

    <insert id="insFileDownloadLog">
        <![CDATA[
        /* shared.insFileDownloadLog */

        INSERT INTO KPOPIF.IF_TI003T_PMANAGER   (   SYS_ID
                                                ,   USER_ID
                                                ,   USE_TIME
                                                ,   PROJ_CD
                                                ,   DOCU_NM
                                                ,   DOCU_NO
                                                ,   REV_NO
                                                ,   DOCU_TYPE
                                                ,   READ_GB
                                                ,   SECURE_LEVEL
                                                ,   FILE_NAME
                                                ,   FILE_SIZE
                                                ,   EXCEL_ROWS
                                                ,   ATT_ID
                                                ,   GRP_CD
                                                ,   IPADDR)
                                            SELECT  A.SYS_ID            AS SYS_ID
                                            ,       #{g.username}       AS USER_ID
                                            ,       SYSDATE             AS USE_TIME
                                            ,       NULL                AS PROJ_CD
                                            ,       A.ORGN_FILE_NM      AS DOCU_NM
                                            ,       NULL                AS DOCU_NO
                                            ,       NULL                AS REV_NO
                                            ,       NULL                AS DOCU_TYPE
                                            ,       'FILE'              AS READ_GB
                                            ,       NULL                AS SECURE_LEVEL
                                            ,       A.ORGN_FILE_NM      AS FILE_NAME
                                            ,       A.ATT_FILE_SIZ      AS FILE_SIZE
                                            ,       NULL                AS EXCEL_ROWS
                                            ,       A.ATT_ID            AS ATT_ID
                                            ,       A.GRP_CD            AS GRP_CD
                                            ,       #{p.client_ip}      AS IPADDR
                                            FROM KPOP.ESAATTH A
                                            WHERE A.SYS_ID  = #{g.tenant}
                                            AND A.ATT_ID    = #{p.att_id}
        ]]>
    </insert>