/*
 * SecurityFilter.java
 *
 * Created on August 26, 2005, 4:50 PM
 */

package it.nibbles.pbx;

import java.io.*;

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.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import org.apache.log4j.LogManager;
import org.apache.log4j.Logger;

/**
 *
 * @author  dusty
 * @version
 */

public class SecurityFilter 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;
  private ServletContext servletContext;
  
  public SecurityFilter() {
  }
  
  
  /**
   *
   * @param request The servlet request we are processing
   * @param result The servlet response we are creating
   * @param chain The filter chain we are processing
   *
   * @exception IOException if an input/output error occurs
   * @exception ServletException if a servlet error occurs
   */
  public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
  throws IOException, ServletException {
      chain.doFilter(request, response);
  }
  
  
  /**
   * Return the filter configuration object for this filter.
   */
  public FilterConfig getFilterConfig() {
    return (this.filterConfig);
  }
  
  
  /**
   * Set the filter configuration object for this filter.
   *
   * @param filterConfig The filter configuration object
   */
  public void setFilterConfig(FilterConfig filterConfig) {
    this.filterConfig = filterConfig;
    this.servletContext = filterConfig.getServletContext();
    logger.debug("FilterConfig: "+filterConfig+" currCentralino: "+servletContext.getAttribute(Litel.CURR_CENTRALINO_VAR_NAME));
  }
  
  /**
   * Destroy method for this filter
   *
   */
  public void destroy() {
  }
  
  
  /**
   * Init method for this filter
   *
   */
  public void init(FilterConfig filterConfig) {
    this.filterConfig = filterConfig;
  }
  
  /**
   * Return a String representation of this object.
   */
  public String toString() {
    
    if (filterConfig == null) return ("SecurityFilter()");
    StringBuffer sb = new StringBuffer("SecurityFilter(");
    sb.append(filterConfig);
    sb.append(")");
    return (sb.toString());
    
  }
  
  public void log(String msg) {
    filterConfig.getServletContext().log(msg);
  }
  
}