muharremtac.com

package com.muharremtac.utils;

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.HttpServletResponse;

import java.io.PrintWriter;

import java.io.StringWriter;

import javax.servlet.http.HttpServletResponseWrapper;

import java.io.IOException;

public class HtmlBoslukSilFilter implements Filter{

public void init(FilterConfig filterConfig) throws ServletException{

}

public void doFilter(ServletRequest request,

ServletResponse response,

FilterChain chain) throws IOException, ServletException {

StringWrapper wrapper = new StringWrapper((HttpServletResponse)response);

chain.doFilter(request, wrapper);

String responseString = wrapper.toString();

response.getWriter().print(responseString.replaceAll("\n", "").replaceAll("\r", ""));

}

public void destroy(){}

class StringWrapper extends HttpServletResponseWrapper {

StringWriter writer = new StringWriter();

public StringWrapper(HttpServletResponse response) { super(response); }

public PrintWriter getWriter() { return new PrintWriter(writer); }

public String toString() { return writer.toString(); }

}

}