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Java/Servlet Filter


Java Servlet 2.3 ŠคํŽ™—„œ€„†Œฐœœ ƒˆกœšด ปดํฌ„ŒํŠธ ํƒ€ž….
Filter ดšฉํ•˜ฉด, ํ•ด‹ JSP,Servlet “ด ™ž‘ํ•˜ธฐ  „— ˆ˜ํ–‰˜–ด• ํ•˜Š” ฒ˜ฆฌ“ค— Œ€ํ•ด„œ ถ”ƒํ™”ํ•  ˆ˜ žˆ‹ค.

Filter ดšฉํ•œ ‘šฉ„ ณดฉด
  • EncodingFilter - ํ•ด‹ jsp/servlet “— Œ€ํ•ด„œ ณตํ†ต˜ ธฝ””ฉ …‹„ „ •

  • Logging & Performance ธก •
  • Data Compression ““

ดค‘ EncodingFilter ˜ ฒฝšฐ JSP ํ”„กœทธž˜จธ“ค—ฒŒ„ ณดํŽธ œกœ ดšฉ˜ณ  žˆŠ”ค‘.



ธฐกด˜ model 1 Šคํƒ€˜ jsp/servlet ฝ”“œ €Šฅํ•œ ํ•œ œ “œฆฌณ  ƒˆ ธฐŠฅ„ ถ”€ํ•ด• ํ• •Œ ‚˜„Œ€กœ จ„ ˆ˜ žˆŠ” ฐฉฒ•ค‘ ํ•˜‚˜.

filter ถ”€

web.xml — ‹คŒ ฐ™ด “กํ•จ.
~cpp 
    <filter>
        <filter-name>Encoding Filter</filter-name>
        <display-name>Encoding Filter</display-name>
        <filter-class>cau.filter.EncodingFilter</filter-class>
        <init-param>
            <param-name>encoding</param-name>
            <param-value>EUC-KR</param-value>
        </init-param>
    </filter>

    <filter-mapping>
        <filter-name>Encoding Filter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>
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