src/java.base/unix/classes/sun/net/sdp/SdpProvider.java

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

*** 75,85 ****
          // check if debugging is enabled
          PrintStream out = null;
          String logfile = props.getProperty("com.sun.sdp.debug");
          if (logfile != null) {
              out = System.out;
!             if (logfile.length() > 0) {
                  try {
                      out = new PrintStream(logfile);
                  } catch (IOException ignore) { }
              }
          }
--- 75,85 ----
          // check if debugging is enabled
          PrintStream out = null;
          String logfile = props.getProperty("com.sun.sdp.debug");
          if (logfile != null) {
              out = System.out;
!             if (!logfile.isEmpty()) {
                  try {
                      out = new PrintStream(logfile);
                  } catch (IOException ignore) { }
              }
          }
*** 165,177 ****
                  boolean all = s.equals("*");
                  result[0] = all ? 0 : Integer.parseInt(s);
                  result[1] = all ? MAX_PORT : result[0];
              } else {
                  String low = s.substring(0, pos);
!                 if (low.length() == 0) low = "*";
                  String high = s.substring(pos+1);
!                 if (high.length() == 0) high = "*";
                  result[0] = low.equals("*") ? 0 : Integer.parseInt(low);
                  result[1] = high.equals("*") ? MAX_PORT : Integer.parseInt(high);
              }
              return result;
          } catch (NumberFormatException e) {
--- 165,177 ----
                  boolean all = s.equals("*");
                  result[0] = all ? 0 : Integer.parseInt(s);
                  result[1] = all ? MAX_PORT : result[0];
              } else {
                  String low = s.substring(0, pos);
!                 if (low.isEmpty()) low = "*";
                  String high = s.substring(pos+1);
!                 if (high.isEmpty()) high = "*";
                  result[0] = low.equals("*") ? 0 : Integer.parseInt(low);
                  result[1] = high.equals("*") ? MAX_PORT : Integer.parseInt(high);
              }
              return result;
          } catch (NumberFormatException e) {
*** 197,207 ****
              List<Rule> result = new ArrayList<>();
              while (scanner.hasNextLine()) {
                  String line = scanner.nextLine().trim();
  
                  // skip blank lines and comments
!                 if (line.length() == 0 || line.charAt(0) == '#')
                      continue;
  
                  // must have 3 fields
                  String[] s = line.split("\\s+");
                  if (s.length != 3) {
--- 197,207 ----
              List<Rule> result = new ArrayList<>();
              while (scanner.hasNextLine()) {
                  String line = scanner.nextLine().trim();
  
                  // skip blank lines and comments
!                 if (line.isEmpty() || line.charAt(0) == '#')
                      continue;
  
                  // must have 3 fields
                  String[] s = line.split("\\s+");
                  if (s.length != 3) {