在Java中从输入流中读取一行文本，保留行终止字符

I have this code in Java:

我有这个Java代码:

InputStreamReader isr = new InputStreamReader(getInputStream());
BufferedReader ir = new BufferedReader(isr);
String line;
while ((line = ir.readLine()) != null) {
 //do stuff with "line"
}
Input