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src/java.base/share/classes/sun/net/TransferProtocolClient.java

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rev 52979 : 8215281: Use String.isEmpty() when applicable in java.base
Reviewed-by: TBD


  59         int             code;
  60         String          response;
  61 
  62         serverResponse.setSize(0);
  63         while (true) {
  64             while ((c = serverInput.read()) != -1) {
  65                 if (c == '\r') {
  66                     if ((c = serverInput.read()) != '\n')
  67                         replyBuf.append('\r');
  68                 }
  69                 replyBuf.append((char)c);
  70                 if (c == '\n')
  71                     break;
  72             }
  73             response = replyBuf.toString();
  74             replyBuf.setLength(0);
  75             if (debug) {
  76                 System.out.print(response);
  77             }
  78 
  79             if (response.length() == 0) {
  80                 code = -1;
  81             } else {
  82                 try {
  83                     code = Integer.parseInt(response, 0, 3, 10);
  84                 } catch (NumberFormatException e) {
  85                     code = -1;
  86                 } catch (IndexOutOfBoundsException e) {
  87                     /* this line doesn't contain a response code, so
  88                        we just completely ignore it */
  89                     continue;
  90                 }
  91             }
  92             serverResponse.addElement(response);
  93             if (continuingCode != -1) {
  94                 /* we've seen a XXX- sequence */
  95                 if (code != continuingCode ||
  96                     (response.length() >= 4 && response.charAt(3) == '-')) {
  97                     continue;
  98                 } else {
  99                     /* seen the end of code sequence */




  59         int             code;
  60         String          response;
  61 
  62         serverResponse.setSize(0);
  63         while (true) {
  64             while ((c = serverInput.read()) != -1) {
  65                 if (c == '\r') {
  66                     if ((c = serverInput.read()) != '\n')
  67                         replyBuf.append('\r');
  68                 }
  69                 replyBuf.append((char)c);
  70                 if (c == '\n')
  71                     break;
  72             }
  73             response = replyBuf.toString();
  74             replyBuf.setLength(0);
  75             if (debug) {
  76                 System.out.print(response);
  77             }
  78 
  79             if (response.isEmpty()) {
  80                 code = -1;
  81             } else {
  82                 try {
  83                     code = Integer.parseInt(response, 0, 3, 10);
  84                 } catch (NumberFormatException e) {
  85                     code = -1;
  86                 } catch (IndexOutOfBoundsException e) {
  87                     /* this line doesn't contain a response code, so
  88                        we just completely ignore it */
  89                     continue;
  90                 }
  91             }
  92             serverResponse.addElement(response);
  93             if (continuingCode != -1) {
  94                 /* we've seen a XXX- sequence */
  95                 if (code != continuingCode ||
  96                     (response.length() >= 4 && response.charAt(3) == '-')) {
  97                     continue;
  98                 } else {
  99                     /* seen the end of code sequence */


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