src/java.base/share/classes/java/io/OutputStreamWriter.java

rev 15365 : imported patch 8163517-Various-cleanup-in-java-io-code

*** 231,256 ****
          se.write(str, off, len);
      }
  
      @Override
      public Writer append(CharSequence csq, int start, int end) throws IOException {
!         if (csq == null) {
!             write("null".subSequence(start, end).toString());
!             return this;
!         } else {
              return append(csq.subSequence(start, end));
          }
-     }
  
      @Override
      public Writer append(CharSequence csq) throws IOException {
!         if (csq == null) {
!             se.write("null");
!         } else if (csq instanceof CharBuffer) {
              se.write((CharBuffer) csq);
          } else {
!             se.write(csq.toString());
          }
          return this;
      }
  
      /**
--- 231,250 ----
          se.write(str, off, len);
      }
  
      @Override
      public Writer append(CharSequence csq, int start, int end) throws IOException {
!         if (csq == null) csq = "null";
          return append(csq.subSequence(start, end));
      }
  
      @Override
      public Writer append(CharSequence csq) throws IOException {
!         if (csq instanceof CharBuffer) {
              se.write((CharBuffer) csq);
          } else {
!             se.write(String.valueOf(csq));
          }
          return this;
      }
  
      /**