Fiz este teste.
Hello.jsp
<HTML>
<BODY>
<% String visitor = request.getParameter("name");
if (visitor == null) visitor = "Mundo"; %> Olá, <%= visitor %>!
</BODY>
</HTML>
Dai no meu Eclipse no diretorio do projeto em “/work/org/apache/jsp/” ele gerou um codigo
Hello.java e um Hello.class
package org.apache.jsp;
import javax.servlet.*;
import javax.servlet.http.*;
import javax.servlet.jsp.*;
public final class hello2_jsp extends org.apache.jasper.runtime.HttpJspBase
implements org.apache.jasper.runtime.JspSourceDependent {
private static java.util.Vector _jspx_dependants;
public java.util.List getDependants() {
return _jspx_dependants;
}
public void _jspService(HttpServletRequest request, HttpServletResponse response)
throws java.io.IOException, ServletException {
JspFactory _jspxFactory = null;
PageContext pageContext = null;
HttpSession session = null;
ServletContext application = null;
ServletConfig config = null;
JspWriter out = null;
Object page = this;
JspWriter _jspx_out = null;
PageContext _jspx_page_context = null;
try {
_jspxFactory = JspFactory.getDefaultFactory();
response.setContentType("text/html");
pageContext = _jspxFactory.getPageContext(this, request, response,
null, true, 8192, true);
_jspx_page_context = pageContext;
application = pageContext.getServletContext();
config = pageContext.getServletConfig();
session = pageContext.getSession();
out = pageContext.getOut();
_jspx_out = out;
out.write("<HTML>\r\n");
out.write("\t<BODY>\r\n");
out.write("\t\t");
web.HelloBean hello = null;
synchronized (_jspx_page_context) {
hello = (web.HelloBean) _jspx_page_context.getAttribute("hello", PageContext.PAGE_SCOPE);
if (hello == null){
hello = new web.HelloBean();
_jspx_page_context.setAttribute("hello", hello, PageContext.PAGE_SCOPE);
}
}
out.write("\r\n");
out.write("\t\t");
org.apache.jasper.runtime.JspRuntimeLibrary.introspecthelper(_jspx_page_context.findAttribute("hello"), "name", request.getParameter("name"), request, "name", false);
out.write("\r\n");
out.write("\t\tOlá, ");
out.write(org.apache.jasper.runtime.JspRuntimeLibrary.toString((((web.HelloBean)_jspx_page_context.findAttribute("hello")).getName())));
out.write("!\r\n");
out.write("\t</BODY>\r\n");
out.write("</HTML>\r\n");
} catch (Throwable t) {
if (!(t instanceof SkipPageException)){
out = _jspx_out;
if (out != null && out.getBufferSize() != 0)
out.clearBuffer();
if (_jspx_page_context != null) _jspx_page_context.handlePageException(t);
}
} finally {
if (_jspxFactory != null) _jspxFactory.releasePageContext(_jspx_page_context);
}
}
}
Notei que ele usa o “out.write(”");" para imprimir.
Agora é que vem a pergunta,
È o java que imprime meu codigo HTML?
Ele gasta processamento do meu interpretador JAVA la do servidor com HTML?
Não era pro HTML passar Direto e Ser processado somente no Browser do usuario?
Por favor to começando agora em java, mas se o for o java que imprime meu HTML num compensa.
