Initial revision

From-SVN: r26263

libjava/java/io/Writer.java

@@ -0,0 +1,67 @@
+/* Copyright (C) 1998, 1999  Cygnus Solutions
+
+   This file is part of libgcj.
+
+This software is copyrighted work licensed under the terms of the
+Libgcj License.  Please consult the file "LIBGCJ_LICENSE" for
+details.  */
+ 
+package java.io;
+
+/**
+ * @author Per Bothner <bothner@cygnus.com>
+ * @date April 17, 1998.  
+ */
+/* Written using "Java Class Libraries", 2nd edition, plus online
+ * API docs for JDK 1.2 beta from http://www.javasoft.com.
+ * Status:  Believed complete and correct.
+ * However, write(String, int, int) should be made a native method.
+ */
+
+public abstract class Writer
+{
+  protected Object lock;
+
+  protected Writer ()
+  {
+    lock = this;
+  }
+
+  protected Writer (Object lock)
+  {
+    this.lock = lock;
+  }
+
+  abstract public void close() throws IOException;
+
+  abstract public void flush() throws IOException;
+
+  abstract public void write(char[] buf, int offset, int count)
+     throws IOException;
+
+  public void write(char[] buf) throws IOException
+  {
+    write(buf, 0, buf.length);
+  }
+
+  public void write(int ch) throws IOException
+  {
+    char[] buf = new char[1];
+    buf[0] = (char) ch;
+    write(buf, 0, 1);
+  }
+
+  // FIXME - re-write using native code to not require copied buffer.
+  public void write (String str, int offset, int count) throws IOException
+  {
+    char[] buf = new char[count];
+    str.getChars(offset, offset + count, buf, 0);
+    write(buf, 0, count);
+  }
+
+  public void write (String str) throws IOException
+  {
+    write(str, 0, str.length());
+  }
+
+}