diff options
Diffstat (limited to 'java/io/Writer.java')
-rw-r--r-- | java/io/Writer.java | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/java/io/Writer.java b/java/io/Writer.java index f153e31cf..660b69089 100644 --- a/java/io/Writer.java +++ b/java/io/Writer.java @@ -53,7 +53,7 @@ package java.io; * @author Aaron M. Renn (arenn@urbanophile.com) * @author Per Bothner (bothner@cygnus.com) */ -public abstract class Writer +public abstract class Writer implements Appendable, Closeable, Flushable { /** * This is the object used to synchronize criticial code sections for @@ -188,5 +188,24 @@ public abstract class Writer write(buf, 0, len); } -} // class Writer + /** @since 1.5 */ + public Writer append(char c) throws IOException + { + write(c); + return this; + } + /** @since 1.5 */ + public Writer append(CharSequence cs) throws IOException + { + write(cs == null ? "null" : cs.toString()); + return this; + } + + /** @since 1.5 */ + public Writer append(CharSequence cs, int start, int end) throws IOException + { + write(cs == null ? "null" : cs.subSequence(start, end).toString()); + return this; + } +} |