when using HttpResponse's API getEntity return HttpEntity instance to get
content length, HttpEntity's function API getContentLength() CAN NOT return
correct content length.
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Key: HTTPCLIENT-1174
URL: https://issues.apache.org/jira/browse/HTTPCLIENT-1174
Project: HttpComponents HttpClient
Issue Type: Bug
Components: HttpClient
Affects Versions: 4.1.3
Environment: window xp sp3,java 7.0, Eclipse Java EE IDE for Web
Developers.Version: Indigo Service Release 1,Build id: 20110916-0149
Reporter: jason zhang
when using HttpClient get xml data from google API, the response's content
length is 6400, but HttpEntity's function getContentLength() is -1. sample test
is bellow.
============
import java.io.InputStream;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.util.EntityUtils;
public class testGetContentLength {
/**
* @param args
*/
public static void main(String[] args) {
HttpClient httpclient = new DefaultHttpClient();
HttpGet httpget = new
HttpGet("http://maps.googleapis.com/maps/api/directions/xml?origin=Boston,MA&destination=Concord,MA&waypoints=Charlestown,MA%7CLexington,MA&sensor=false";);
try{
HttpResponse response = httpclient.execute(httpget);
HttpEntity entity = response.getEntity();
if (entity != null) {
long len = entity.getContentLength();
System.out.println("length:="+len);
if (len != -1) {
System.out.println(EntityUtils.toString(entity));
} else {
// Stream content out
InputStream instream = entity.getContent();
int l;
byte[] tmp = new byte[512];
while ((l = instream.read(tmp)) != -1) {
System.out.println(new String(tmp,0,l));
}
//
// BufferedInputStream in = new
BufferedInputStream(instream);
// StringBuffer buffer = new StringBuffer();
// while((l=in.read(tmp))!=-1){
// buffer.append(new String(tmp,0,l));
// }
// System.out.println(buffer.toString());
}
}
}catch(Exception e){
e.printStackTrace();
}
}
}
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