Generic Servlet Generic Servlet 1 3 Generic Servlet
![Generic Servlet Generic Servlet](https://slidetodoc.com/presentation_image_h2/7e5eadd9afb957abd9d85107c6327d75/image-1.jpg)
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![Generic. Servlet (1) 3 Generic. Servlet (1) 3](https://slidetodoc.com/presentation_image_h2/7e5eadd9afb957abd9d85107c6327d75/image-3.jpg)
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![// Generic. Servlet. Test. java import java. io. *; import java. util. Enumeration; import // Generic. Servlet. Test. java import java. io. *; import java. util. Enumeration; import](https://slidetodoc.com/presentation_image_h2/7e5eadd9afb957abd9d85107c6327d75/image-5.jpg)
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![Genric. Servlet (3) n java. lang. String get. Init. Parameter(java. lang. String name) – Genric. Servlet (3) n java. lang. String get. Init. Parameter(java. lang. String name) –](https://slidetodoc.com/presentation_image_h2/7e5eadd9afb957abd9d85107c6327d75/image-8.jpg)
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![Servlet. Request CGI 메서드 (2) n String get. Protocol() – HTTP 1. 1 과 Servlet. Request CGI 메서드 (2) n String get. Protocol() – HTTP 1. 1 과](https://slidetodoc.com/presentation_image_h2/7e5eadd9afb957abd9d85107c6327d75/image-13.jpg)
![Servlet. Request CGI 메서드 (3) n String get. Schema() – HTTP, FTP 와 같이 Servlet. Request CGI 메서드 (3) n String get. Schema() – HTTP, FTP 와 같이](https://slidetodoc.com/presentation_image_h2/7e5eadd9afb957abd9d85107c6327d75/image-14.jpg)
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![Servlet. Context (2) 19 Servlet. Context (2) 19](https://slidetodoc.com/presentation_image_h2/7e5eadd9afb957abd9d85107c6327d75/image-19.jpg)
![Servlet. Context (3) n Servlet. Context 객체 생성 – Http. Servlet 객체의 Servlet. Context Servlet. Context (3) n Servlet. Context 객체 생성 – Http. Servlet 객체의 Servlet. Context](https://slidetodoc.com/presentation_image_h2/7e5eadd9afb957abd9d85107c6327d75/image-20.jpg)
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![Servlet. Context (4) n 서블릿의 로그 작성에 관한 메서드 – void log(java. lang. Exception Servlet. Context (4) n 서블릿의 로그 작성에 관한 메서드 – void log(java. lang. Exception](https://slidetodoc.com/presentation_image_h2/7e5eadd9afb957abd9d85107c6327d75/image-23.jpg)
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![Servlet. Context (5) n Servlet 객체 속성에 관한 메서드 (2) – void remove. Attribute(java. Servlet. Context (5) n Servlet 객체 속성에 관한 메서드 (2) – void remove. Attribute(java.](https://slidetodoc.com/presentation_image_h2/7e5eadd9afb957abd9d85107c6327d75/image-25.jpg)
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![Request. Despatcher (2) n public void forward(Servlet. Request request, Servlet. Response response) n public Request. Despatcher (2) n public void forward(Servlet. Request request, Servlet. Response response) n public](https://slidetodoc.com/presentation_image_h2/7e5eadd9afb957abd9d85107c6327d75/image-27.jpg)
![Http. Servlet Http. Servlet](https://slidetodoc.com/presentation_image_h2/7e5eadd9afb957abd9d85107c6327d75/image-28.jpg)
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![Http. Servlet 이란 (2) 31 Http. Servlet 이란 (2) 31](https://slidetodoc.com/presentation_image_h2/7e5eadd9afb957abd9d85107c6327d75/image-31.jpg)
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![About Servlet 한국정보기술연구원 김 영 숙(xmlbible@hotmail. com ) About Servlet 한국정보기술연구원 김 영 숙(xmlbible@hotmail. com )](https://slidetodoc.com/presentation_image_h2/7e5eadd9afb957abd9d85107c6327d75/image-34.jpg)
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![Servlet 의 동작 (1) 40 Servlet 의 동작 (1) 40](https://slidetodoc.com/presentation_image_h2/7e5eadd9afb957abd9d85107c6327d75/image-40.jpg)
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![CGI vs. Servlet 42 CGI vs. Servlet 42](https://slidetodoc.com/presentation_image_h2/7e5eadd9afb957abd9d85107c6327d75/image-42.jpg)
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![Servlet 의 Life. Cycle 46 Servlet 의 Life. Cycle 46](https://slidetodoc.com/presentation_image_h2/7e5eadd9afb957abd9d85107c6327d75/image-46.jpg)
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![import javax. servlet. *; // 일반 서비스를 위한 서블릿 패키지와 http 패키지를 import javax. import javax. servlet. *; // 일반 서비스를 위한 서블릿 패키지와 http 패키지를 import javax.](https://slidetodoc.com/presentation_image_h2/7e5eadd9afb957abd9d85107c6327d75/image-48.jpg)
- Slides: 48
![Generic Servlet Generic Servlet](https://slidetodoc.com/presentation_image_h2/7e5eadd9afb957abd9d85107c6327d75/image-1.jpg)
Generic Servlet
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![Generic Servlet 1 3 Generic. Servlet (1) 3](https://slidetodoc.com/presentation_image_h2/7e5eadd9afb957abd9d85107c6327d75/image-3.jpg)
Generic. Servlet (1) 3
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![Generic Servlet Test java import java io import java util Enumeration import // Generic. Servlet. Test. java import java. io. *; import java. util. Enumeration; import](https://slidetodoc.com/presentation_image_h2/7e5eadd9afb957abd9d85107c6327d75/image-5.jpg)
// Generic. Servlet. Test. java import java. io. *; import java. util. Enumeration; import javax. servlet. *; public class Generic. Servlet. Test extends Generic. Servlet { public void service(Servlet. Request req, Servlet. Response res) throws Servlet. Exception, IOException { String message = req. get. Parameter("message"); Print. Writer out=res. get. Writer(); out. println("<html><body>"); out. println("<h 1>" + message + "</h 1>"); out. println("</body></html>"); } } 5
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![Genric Servlet 3 n java lang String get Init Parameterjava lang String name Genric. Servlet (3) n java. lang. String get. Init. Parameter(java. lang. String name) –](https://slidetodoc.com/presentation_image_h2/7e5eadd9afb957abd9d85107c6327d75/image-8.jpg)
Genric. Servlet (3) n java. lang. String get. Init. Parameter(java. lang. String name) – 주어진 이름의 초기화 매개변수의 값을 포 함하고 있는 문자열을 얻음. n java. util. Enumeration get. Init. Parameter. Names() – 서블릿을 위한 초기화 매개변수의 이름을 문자열 객체의 enumeration으로 얻음 8
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![Servlet Request CGI 메서드 2 n String get Protocol HTTP 1 1 과 Servlet. Request CGI 메서드 (2) n String get. Protocol() – HTTP 1. 1 과](https://slidetodoc.com/presentation_image_h2/7e5eadd9afb957abd9d85107c6327d75/image-13.jpg)
Servlet. Request CGI 메서드 (2) n String get. Protocol() – HTTP 1. 1 과 같이 프로토콜 버전을 구함 n String get. Remote. Addr() – 클라이언트의 주소를 알아냄 n String get. Remote. Host() – 클라이언트의 호스트를 알아냄 13
![Servlet Request CGI 메서드 3 n String get Schema HTTP FTP 와 같이 Servlet. Request CGI 메서드 (3) n String get. Schema() – HTTP, FTP 와 같이](https://slidetodoc.com/presentation_image_h2/7e5eadd9afb957abd9d85107c6327d75/image-14.jpg)
Servlet. Request CGI 메서드 (3) n String get. Schema() – HTTP, FTP 와 같이 request 방식을 알아냄 n String get. Server. Name() – 요청을 받은 서버의 이름을 알아냄 n int get. Server. Port() – 서버의 포트 번호를 알아냄 14
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Servlet. Context (2) 19
![Servlet Context 3 n Servlet Context 객체 생성 Http Servlet 객체의 Servlet Context Servlet. Context (3) n Servlet. Context 객체 생성 – Http. Servlet 객체의 Servlet. Context](https://slidetodoc.com/presentation_image_h2/7e5eadd9afb957abd9d85107c6327d75/image-20.jpg)
Servlet. Context (3) n Servlet. Context 객체 생성 – Http. Servlet 객체의 Servlet. Context 는 Servlet. Config의 get. Servlet. Context() 사용하여 얻음 20
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![Servlet Context 4 n 서블릿의 로그 작성에 관한 메서드 void logjava lang Exception Servlet. Context (4) n 서블릿의 로그 작성에 관한 메서드 – void log(java. lang. Exception](https://slidetodoc.com/presentation_image_h2/7e5eadd9afb957abd9d85107c6327d75/image-23.jpg)
Servlet. Context (4) n 서블릿의 로그 작성에 관한 메서드 – void log(java. lang. Exception exception, java. lang. String msg) • 자바 서블릿 API 2. 1에서부터는 log(String message, Throwable throwable) 메소드로 바 뀌었습니다. – void log(java. lang. String msg) • 서블릿 로그 파일에 주어진 메시지를 기록합니 다. 일반적으로 이벤트 로그입니다. 23
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![Servlet Context 5 n Servlet 객체 속성에 관한 메서드 2 void remove Attributejava Servlet. Context (5) n Servlet 객체 속성에 관한 메서드 (2) – void remove. Attribute(java.](https://slidetodoc.com/presentation_image_h2/7e5eadd9afb957abd9d85107c6327d75/image-25.jpg)
Servlet. Context (5) n Servlet 객체 속성에 관한 메서드 (2) – void remove. Attribute(java. lang. String name) • 서블릿 컨텍스트(contect)로부터 주어진 이름 의 속성을 제거합니다. – void set. Attribute(java. lang. String name, java. lang. Object object) • 서블릿 컨텍스트(context)에 주어진 이름의 속 성을 추가합니다. 25
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![Request Despatcher 2 n public void forwardServlet Request request Servlet Response response n public Request. Despatcher (2) n public void forward(Servlet. Request request, Servlet. Response response) n public](https://slidetodoc.com/presentation_image_h2/7e5eadd9afb957abd9d85107c6327d75/image-27.jpg)
Request. Despatcher (2) n public void forward(Servlet. Request request, Servlet. Response response) n public void include(Servlet. Request request, Servlet. Response response) 27
![Http Servlet Http. Servlet](https://slidetodoc.com/presentation_image_h2/7e5eadd9afb957abd9d85107c6327d75/image-28.jpg)
Http. Servlet
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![Http Servlet 이란 2 31 Http. Servlet 이란 (2) 31](https://slidetodoc.com/presentation_image_h2/7e5eadd9afb957abd9d85107c6327d75/image-31.jpg)
Http. Servlet 이란 (2) 31
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![About Servlet 한국정보기술연구원 김 영 숙xmlbiblehotmail com About Servlet 한국정보기술연구원 김 영 숙(xmlbible@hotmail. com )](https://slidetodoc.com/presentation_image_h2/7e5eadd9afb957abd9d85107c6327d75/image-34.jpg)
About Servlet 한국정보기술연구원 김 영 숙(xmlbible@hotmail. com )
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![Servlet 의 동작 1 40 Servlet 의 동작 (1) 40](https://slidetodoc.com/presentation_image_h2/7e5eadd9afb957abd9d85107c6327d75/image-40.jpg)
Servlet 의 동작 (1) 40
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![CGI vs Servlet 42 CGI vs. Servlet 42](https://slidetodoc.com/presentation_image_h2/7e5eadd9afb957abd9d85107c6327d75/image-42.jpg)
CGI vs. Servlet 42
![Servlet API Servlet API](https://slidetodoc.com/presentation_image_h2/7e5eadd9afb957abd9d85107c6327d75/image-43.jpg)
Servlet API
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![Servlet 의 Life Cycle 46 Servlet 의 Life. Cycle 46](https://slidetodoc.com/presentation_image_h2/7e5eadd9afb957abd9d85107c6327d75/image-46.jpg)
Servlet 의 Life. Cycle 46
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![import javax servlet 일반 서비스를 위한 서블릿 패키지와 http 패키지를 import javax import javax. servlet. *; // 일반 서비스를 위한 서블릿 패키지와 http 패키지를 import javax.](https://slidetodoc.com/presentation_image_h2/7e5eadd9afb957abd9d85107c6327d75/image-48.jpg)
import javax. servlet. *; // 일반 서비스를 위한 서블릿 패키지와 http 패키지를 import javax. servlet. http. *; import java. io. *; // do. Get()를 이용하여, 클라이언트의 GET request 를 처리한다. public class hello. Servlet extends Http. Servlet { public void do. Get(Http. Servlet. Request req, Http. Servlet. Response throws Servlet. Exception, IOException{ throws 문장을 이용하여, 예외 발생을 알려준다. res. set. Content. Type("text/html"); Http. Servlet. Response 클래스의 try set. Content. Type()를 이용해서 { 문서의 mine 타입을 지정 Print. Writer out=res. get. Writer(); out. write("<html>"); Http. Servlet. Response 클래스의 get. Writer() out. write("<head>"); 메소드를 이용하여 out. write("<body>"); 가져온 내용을, out. write("<font size=3>hello World </font>"); Print. Writer를 이용하여 클라이언트로 out. write("</body>"); 전송 out. write("</html>"); out. close(); } catch (IOException ioe) { ioe. print. Stack. Trace(); 48 } } }
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