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		<title>Java Tutorial/Servlet/Log - История изменений</title>
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		<updated>2026-04-22T03:01:34Z</updated>
		<subtitle>История изменений этой страницы в вики</subtitle>
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	<entry>
		<id>http://www.jexp.ru/index.php?title=Java_Tutorial/Servlet/Log&amp;diff=4918&amp;oldid=prev</id>
		<title>Admin: 1 версия</title>
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				<updated>2010-06-01T05:06:59Z</updated>
		
		<summary type="html">&lt;p&gt;1 версия&lt;/p&gt;
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				&lt;td colspan=&quot;1&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Версия 05:06, 1 июня 2010&lt;/td&gt;
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		<author><name>Admin</name></author>	</entry>

	<entry>
		<id>http://www.jexp.ru/index.php?title=Java_Tutorial/Servlet/Log&amp;diff=4917&amp;oldid=prev</id>
		<title> в 17:44, 31 мая 2010</title>
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				<updated>2010-05-31T17:44:27Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;Новая страница&lt;/b&gt;&lt;/p&gt;&lt;div&gt;==  Servlet Context Log ==&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
   &lt;br /&gt;
  &amp;lt;!-- start source code --&amp;gt;&lt;br /&gt;
   &lt;br /&gt;
    &amp;lt;source lang=&amp;quot;java&amp;quot;&amp;gt;&lt;br /&gt;
import java.io.*;&lt;br /&gt;
import javax.servlet.*;&lt;br /&gt;
import javax.servlet.http.*;&lt;br /&gt;
public class MyServlet extends HttpServlet {&lt;br /&gt;
   &lt;br /&gt;
  private ServletContext context;&lt;br /&gt;
  public void init(ServletConfig config) throws ServletException  {&lt;br /&gt;
    super.init(config);&lt;br /&gt;
    context = getServletContext();&lt;br /&gt;
    context.log(&amp;quot;Init has been invoked&amp;quot;);&lt;br /&gt;
  }&lt;br /&gt;
  public void doGet (HttpServletRequest req, HttpServletResponse res) throws IOException&lt;br /&gt;
  {&lt;br /&gt;
    ServletOutputStream out = res.getOutputStream();&lt;br /&gt;
    context.log(&amp;quot;doGet has now been invoked&amp;quot;);&lt;br /&gt;
    res.setContentType(&amp;quot;text/html&amp;quot;);&lt;br /&gt;
    out.println(&amp;quot;&amp;lt;html&amp;gt;&amp;lt;head&amp;gt;&amp;lt;title&amp;gt;Logging Servlet&amp;lt;/title&amp;gt;&amp;lt;/head&amp;gt;&amp;quot;);&lt;br /&gt;
    out.println(&amp;quot;&amp;lt;body&amp;gt;Visit the &amp;lt;tomcat-home&amp;gt;\\logs and open the xx file to see the log entries&amp;quot;);&lt;br /&gt;
    out.println(&amp;quot;&amp;lt;/body&amp;gt;&amp;lt;/html&amp;gt;&amp;quot;);&lt;br /&gt;
  }&lt;br /&gt;
}&amp;lt;/source&amp;gt;&lt;br /&gt;
    &lt;br /&gt;
   &lt;br /&gt;
  &amp;lt;!-- end source code --&amp;gt;&lt;br /&gt;
   &lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==  Servlet Log Filter ==&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
   &lt;br /&gt;
  &amp;lt;!-- start source code --&amp;gt;&lt;br /&gt;
   &lt;br /&gt;
    &amp;lt;source lang=&amp;quot;java&amp;quot;&amp;gt;&lt;br /&gt;
import java.io.*;&lt;br /&gt;
import java.text.*;&lt;br /&gt;
import java.util.*;&lt;br /&gt;
import javax.servlet.*;&lt;br /&gt;
import javax.servlet.http.*;&lt;br /&gt;
public class MyServlet implements Filter {&lt;br /&gt;
  FilterConfig config;&lt;br /&gt;
  public void init(FilterConfig config){&lt;br /&gt;
    &lt;br /&gt;
  }&lt;br /&gt;
  public void setFilterConfig(FilterConfig config) {&lt;br /&gt;
    this.config = config;&lt;br /&gt;
  }&lt;br /&gt;
  public FilterConfig getFilterConfig() {&lt;br /&gt;
    return config;&lt;br /&gt;
  }&lt;br /&gt;
  public void doFilter(ServletRequest req,&lt;br /&gt;
                       ServletResponse res,&lt;br /&gt;
                       FilterChain chain) {&lt;br /&gt;
//    ServletContext context = getFilterConfig().getServletContext();&lt;br /&gt;
  //  long bef = System.currentTimeMillis();&lt;br /&gt;
    //chain.doFilter(req, res); // no chain parameter needed here&lt;br /&gt;
//    long aft = System.currentTimeMillis();&lt;br /&gt;
    //context.log(&amp;quot;Request to &amp;quot; + req.getRequestURI() + &amp;quot;: &amp;quot; +(aft-bef));&lt;br /&gt;
    &lt;br /&gt;
    System.out.println(&amp;quot;logging&amp;quot;);&lt;br /&gt;
  }&lt;br /&gt;
  public void destroy(){}&lt;br /&gt;
}&amp;lt;/source&amp;gt;&lt;br /&gt;
    &lt;br /&gt;
   &lt;br /&gt;
  &amp;lt;!-- end source code --&amp;gt;&lt;/div&gt;</summary>
			</entry>

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