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JSP - Coggle Diagram

- - - - Definition
        
        Java code that will be executed during request-processing time
        
        exist in service() method
    - - default
        
        <% java code %>
      - example
        
        <% out.print("Hello world"); %>
        
        <% String queryData = request.getQueryString(); out.println("Hi" +queryData) %>
  - - - initialization of JSP
      - define class-wide variable and methods
      - used to include data/scriplet outside the service() method
      - do not generate any output
    - - examplet
        
        <%! String name="saya"; %>
        
        <%! public String getName() {return name;} %>
        
        <%! int data=60; %>
      - default
        
        <%! java code %>
  - - - default
        
        <%= expression/statement %>
      - example
        
        <%= new jva.util.Date()
        
        <%= request.getRemoteHost() %>
        
        <%= Hello World! %>
        
        <%= new Date().toString(); %>
    - - request
        
        HttpServletRequest
      - response
        
        HttpServletResponse
      - session
        
        HttpSession
      - out
        
        PrintWriter
    - - send Java expression into output
      - exist in service() method
- - - - provides public no-argument constructor
      - Has set/get method properties
      - Syntax
        
        <jsp:useBean id=“name” class=“fully_qualified_pathname” scope=“{page|request|session|application}” />
        
        <jsp:getProperty name=“name” property=“value” />
        
        <jsp:setProperty name=“name” property=“value” /
      - Implements java.io.Serializable
        
        sending to client browser
        
        read through session
  - - - <jsp:include page="URL"/>
    - - Session_set2.jsp
      - Session_set.jsp
      - View_ession.jsp
- - - - Attributes
        
        buffer
        
        autoFlush
        
        contentType
        
        info
        
        errorPage
        
        import
        
        isErrorPage
        
        isThreadSafe
        
        extends
        
        language
        
        session
        
        isELIgnored
        
        isScriptingEnabled
      - defines attributes of the page
      - gives instructions to the container pertaining to the current JSP page
      - Syntax
        
        <%@ page attribute = "value" %>
    - - used to include one file to another file
      - it includes the file during the translation phase
      - Syntax
        
        <%@ include file = "relative url" >
    - - declares your JSP is using custom tags
      - identifies the location of the custom tag library
      - Syntax
        
        <%@ taglib uri="uri" prefix = "prefixOfTag" >
      - provides means of identifying custom tags