JSONStringer stringer_ = new JSONStringer()
            	.object()
            		.key("info")
            			.object()
            				.key("startHour").value(op_.startHour)
            				.key("startMinute").value(op_.startMinute)
            				.key("endHour").value(op_.endHour)
            				.key("endMinute").value(op_.endMinute)
            				.key("comment").value(op_.comment)
            				.key("type").value(5)
            				.key("iobCode").value(op_.iobCode)
            				.key("reestrCode").value(op_.reestrCode)
            			.endObject()
            	.endObject();
            	String str_ = stringer_.toString();
    				httppost.setEntity(new StringEntity(str_));
    				httppost.setHeader("Accept", "application/json; charset=utf-8"); 
    			    httppost.setHeader("Content-type", "application/json; charset=utf-8");
    			    
    				HttpResponse response = httpclient.execute(httppost);

httppost.setEntity(new StringEntity(str_,"utf-8"));