java - Sending JSON request to hipchat -

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i making hipchat room work have send json request of:

post /v1/rooms/message?format=json&auth_token=token http/1.1 host: api.hipchat.com content-type: application/x-www-form-urlencoded content-length: 138  room_id=10&from=alerts&message=a+new+user+signed+up

so far have this:

public static void send(string send){     url url = null;     httpurlconnection conn = null;    try{       url = new url("http://api.hipchat.com");       conn = (httpurlconnection)url.openconnection();       conn.setrequestmethod("post");       conn.setrequestproperty("content-type", "application/x-www-form-urlencoded");       conn.setrequestproperty("content-length", "138");        conn.setusecaches (false);       conn.setdoinput(true);       conn.setdooutput(true);        dataoutputstream wr = new dataoutputstream(               conn.getoutputstream ());       wr.writebytes (send);       wr.flush ();       wr.close ();         inputstream = conn.getinputstream();       bufferedreader rd = new bufferedreader(new inputstreamreader(is));       string line;       stringbuffer response = new stringbuffer();       while((line = rd.readline()) != null) {           response.append(line);           response.append('\r');       }       rd.close();       system.out.println(line);   }catch(exception e){     e.printstacktrace();   }finally{       if(conn != null) {           conn.disconnect();       }   } }

but in console returns null. how go sending above json request?

thanks

every time loop here

while((line = rd.readline()) != null) {

your line variable replaced value returned rd.readline(). last time loops, method call return null. that's why line null.

i'm going assume wanted print out response.


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