TransNameFilter.java

package com.joe.utilities.core.web.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.commons.logging.LogFactory;
 
 

 

public class TransNameFilter extends HttpServlet implements Filter {
	private static org.apache.commons.logging.Log logWriter = LogFactory
			.getLog(TransNameFilter.class.getName());

	/**
	 * 
	 */
	public TransNameFilter() {
		super();

	}

	
	public void init(FilterConfig arg0) throws ServletException {

	}

	public void doFilter(ServletRequest request, ServletResponse response,
			FilterChain chain) throws IOException, ServletException {

		HttpServletRequest hreq = (HttpServletRequest) request;
		String transName = hreq.getParameter("transName");
		if (transName == null || transName.equals("")) {
			logWriter.fatal(" there is no transName for this request");
		} else {
			logWriter.info(" transName is " + transName);
		}

		HttpServletResponse res = (HttpServletResponse) response;
		res.setHeader("P3P", "CP=CAO PSA OUR");
		if (chain != null)
			chain.doFilter(request, response);

	}

	
	public void destroy() {

	}

}