loadrunner 发送gzip压缩json格式

/*
* LoadRunner Java script. (Build: _build_number_)
*
* Script Description:
*
*/

import lrapi.lr;
import java.io.*;
import java.io.BufferedReader;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.InputStream;
import java.util.zip.GZIPInputStream;
import java.util.zip.GZIPOutputStream;
import org.apache.http.Header;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.InputStreamEntity;
import org.apache.http.impl.client.DefaultHttpClient;






public class Actions
{


public int init() throws Throwable {
return 0;
}//end of init




public int action() throws Throwable {


String foo = "{\"job_id\":93044,\"client_id\":1009,\"version\":\"10001\",\"dev_type\":1,\"app_guid\":\"1\"}";
HttpResponse response;
HttpClient httpclient = new DefaultHttpClient();
HttpPost httppost= new HttpPost ("http://10.10.10.10:61013/proxy/c/job/detail.json");
httppost.setHeader("Content-Type", "application/json; charset=UTF-8");
httppost.setHeader("Accept-Encoding","gzip");
byte[] bgzip =gzip(foo);
System.out.println(bgzip.length);
InputStreamEntity httpentity = new InputStreamEntity(new ByteArrayInputStream(bgzip), bgzip.length);
httpentity.setChunked(true);
httppost.setEntity(httpentity);

lr.start_transaction("发送");


response=httpclient.execute(httppost);
httppost.setEntity(httpentity);
int httpCode = response.getStatusLine().getStatusCode();
System.out.println(httpCode);
HttpEntity entity = response.getEntity();
Header header = response.getFirstHeader("content-type");
System.out.println(header);
InputStream inputStream = entity.getContent();
inputStream=new GZIPInputStream(inputStream);



lr.end_transaction("发送", lr.AUTO);


InputStreamReader isr = new InputStreamReader(inputStream, "utf-8"); // 设置读取流的编码格式，自定义编码
BufferedReader br = new BufferedReader(isr);
StringBuffer sb = new StringBuffer();
String tempbf;
while ((tempbf = br.readLine()) != null) {
sb.append(tempbf);
sb.append("\r\n");
}
String html = sb.toString();
System.out.println(html);
isr.close();
inputStream.close();


return 0;
}//end of action




public static byte[] gzip(String foo){
ByteArrayOutputStream baos = new ByteArrayOutputStream();
GZIPOutputStream gzos = null;


try {
gzos = new GZIPOutputStream(baos);
gzos.write(foo.getBytes("UTF-8"));
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} finally {
if (gzos != null) try { gzos.close(); } catch (IOException ignore) {};
}


return baos.toByteArray();
}


public int end() throws Throwable {
return 0;
}//end of end
}