如何验证Tomcat Gzip配置是否生效的方法

  <Connector port="9080" protocol="HTTP/1.1" 
        connectionTimeout="20000" 
        redirectPort="8443" URIEncoding="UTF-8" useBodyEncodingForURI="true"
        compression="on" 
        compressionMinSize="2048" 
        noCompressionUserAgents="gozilla, traviata" 
        compressableMimeType="text/html,text/xml,text/javascript,text/css,text/plain,image/gif,image/jpg" 
        
        />

  <!-- Note : To use Gzip compression you could set the following properties : 
           compression="on" 
        compressionMinSize="2048" 
        noCompressionUserAgents="gozilla, traviata" 
        compressableMimeType="text/html,text/xml,text/javascript,text/css,text/plain,image/gif,image/jpg" 
   --> 

import org.apache.commons.httpclient.HttpClient; 
import org.apache.commons.httpclient.methods.GetMethod; 
/**
 * @ClassName:     GzipTest.java
 * @Description:   TODO(用一句话描述该文件做什么) 
 * 
 * @author         Administrator
 * @E-mail         809044093@qq.com 
 * @version        V1.0  
 * @Date           2014-3-27 上午09:07:00 
 */
public class GzipTest { 


/** 
* @param args 
*/ 
public static void main(String[] args) throws Exception{ 
  HttpClient http = new HttpClient(); 
  GetMethod get = new GetMethod("http://127.0.0.1:9080/membercms/style/shop/js/base.js"); 
  try{ 
  get.addRequestHeader("accept-encoding", "gzip,deflate"); 
  get.addRequestHeader("user-agent", "Mozilla/5.0 (compatible; MSIE 6.0; Windows NT 5.0; Alexa Toolbar; Maxthon 2.0)"); 
  int er = http.executeMethod(get); 
  if(er==200){ 
   System.out.println(get.getResponseContentLength()); 
   String html = get.getResponseBodyAsString(); 
   System.out.println(html); 
   System.out.println(html.getBytes().length); 
  } 
}finally{ 
   get.releaseConnection(); 
   
} 
} 


} 

LoadModule deflate_module modules/mod_deflate.so
LoadModule headers_module modules/mod_headers.so

#apache Gzip
<Location /> 

# Insert filter 

SetOutputFilter DEFLATE 

# Netscape 4.x has some problems... 

BrowserMatch ^Mozilla/4 gzip-only-text/html 

# Netscape 4.06-4.08 have some more problems 

BrowserMatch ^Mozilla/4\.0[678] no-gzip 

# MSIE masquerades as Netscape, but it is fine 

BrowserMatch \bMSIE !no-gzip !gzip-only-text/html 

# Don't compress images 
SetEnvIfNoCase Request_URI .(?:gif|jpe?g|png)$ no-gzip dont-vary
SetEnvIfNoCase Request_URI .(?:exe|t?gz|zip|bz2|sit|rar)$ no-gzip dont-vary
SetEnvIfNoCase Request_URI .(?:pdf|doc|avi|mov|mp3|rm)$ no-gzip dont-vary

AddOutputFilterByType DEFLATE text/html text/plain text/xml text/css text/js
# Make sure proxies don't deliver the wrong content 

#Header append Vary User-Agent env=!dont-vary 

</Location>