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jsp轉換成Java

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今天在測試Jsp程式時候，想看看jsp被伺服器翻譯成的Java代碼是什麼樣子的，於是在GlassFish的目錄下搜尋，找到了被翻譯的Java代碼如下：

package org.apache.jsp;

import javax.servlet.*;
import javax.servlet.http.*;
import javax.servlet.jsp.*;
import java.util.*;

public final class TestJsp_jsp extends org.apache.jasper.runtime.HttpJspBase
    implements org.apache.jasper.runtime.JspSourceDependent {

  private static final JspFactory _jspxFactory = JspFactory.getDefaultFactory();

  private static java.util.Vector _jspx_dependants;

  private org.apache.jasper.runtime.ResourceInjector _jspx_resourceInjector;

  public Object getDependants() {
    return _jspx_dependants;
  }

  public void _jspService(HttpServletRequest request, HttpServletResponse response)
        throws java.io.IOException, ServletException {

    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 {
      response.setContentType("text/html; charset=GB18030");
      response.setHeader("X-Powered-By", "JSP/2.1");
      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;
      _jspx_resourceInjector = (org.apache.jasper.runtime.ResourceInjector) application.getAttribute("com.sun.appserv.jsp.resource.injector");

      out.write("/r/n");
      out.write("/r/n");
      out.write("<!DOCTYPE html PUBLIC /"-//W3C//DTD HTML 4.01 Transitional//EN/" /"http://www.w3.org/TR/html4/loose.dtd/">/r/n");
      out.write("<html>/r/n");
      out.write("<head>/r/n");
      out.write("<meta http-equiv=/"Content-Type/" content=/"text/html; charset=GB18030/">/r/n");
      out.write("<title>Insert title here</title>/r/n");
      out.write("</head>/r/n");
      out.write("<body>/r/n");

    Calendar curTime = new GregorianCalendar();
    int h = curTime.get(curTime.HOUR_OF_DAY);
    out.println(h);

      out.write("/r/n");
      out.write("</body>/r/n");
      out.write("</html>");
    } 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 {
      _jspxFactory.releasePageContext(_jspx_page_context);
    }
  }
}

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