genericfilter.java

《J2EE企业级应用开发》一书的配套源代码

package com.j2eeapp.filter;
import javax.servlet.FilterChain;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import java.io.IOException;
import javax.servlet.ServletException;

public class GenericFilter implements Filter
{
	protected FilterConfig filterConfig;
	public void doFilter(final ServletRequest req,final ServletResponse res,FilterChain chain)throws IOException,ServletException
	{
		chain.doFilter(req,res);
	}
	public void setFilterConfig(final FilterConfig filterConfig)
	{
		this.filterConfig=filterConfig;
	}
	public void init(FilterConfig config)
	{
		this.filterConfig=config;
	}
	public void destroy()
	{
		this.filterConfig=null;
	}
}