}
//根据httpBody/data来更新
if (contentLengthValue != null) {
IContainerValue httpBody = (IContainerValue)msgValue.getField(
HTTP_MESSAGE__HTTP_BODY);
if (httpBody != null && !httpBody.notPresent()) {
IOctetstringValue data = (IOctetstringValue)httpBody.getField(
HTTP_BODY__DATA);
if (data != null) {
String text = Integer.toString(data.getLength());
contentLengthValue.setText(text);