[JAVA]filter ServletContext

filter ServletContext

import java.io.*;

import java.net.*;

import java.util.*;

import java.text.*;

import javax.servlet.*;

import javax.servlet.http.*;

import java.sql.*;

import javax.sql.*;

import javax.servlet.Filter;

import javax.servlet.FilterChain;

import javax.servlet.FilterConfig;

import javax.servlet.ServletContext;

import javax.servlet.ServletException;

import javax.servlet.ServletRequest;

import javax.servlet.ServletResponse;

import javax.naming.*;

public class MyFilter implements Filter {

// The filter configuration object we are associated with.  If

// this value is null, this filter instance is not currently

// configured.

private FilterConfig filterConfig = null;

String category_server_ip = "";

     int category_server_port = 8080;

String category_root = "";

String category_base = "";

/**

     * Init method for this filter

     *

     */

public void init(FilterConfig filterConfig) {

this.filterConfig = filterConfig;

ServletContext sctx = filterConfig.getServletContext();

sctx.getServletContextName();

category_server_ip = (String)sctx.getAttribute("category_server_ip");

category_server_port=stringToInt((String)

sctx.getAttribute("category_server_port"));

category_root = (String)sctx.getAttribute("category_root");

category_base = (String)sctx.getAttribute("category_base");

if (filterConfig != null) {

if(debug){

log("MyFilter :Initializing filter");

}

}

}

public MyFilter(){

}

}