String sCType = "application/x-www-form-urlencoded";
StringBuilder params = new StringBuilder();
con.appendToken(params);
AgpProperties hdr = con.makeRequestHeaderProperties();
AgpClient client = con.ensureClient();
StringProvider prov = new StringProvider(params.toString(),sCType);
StringHandler handler = new StringHandler();;
client.executeRequest(sUrl,hdr,prov,handler);
String sWebMapJson = handler.getContent();