CharStream.java

package totalcross.io;

public class CharStream
{
   DataStream ds;
   
   public CharStream(String s)
   {
      this(new DataStream(new ByteArrayStream(s.getBytes())));
   }
   
   public CharStream(Stream ds)
   {
      this.ds = ds instanceof DataStream ? (DataStream)ds : new DataStream(ds);
   }
   
   public int read(char[] cbuf) throws IOException
   {
      return read(cbuf,0,cbuf.length);
   }

   public int read(char[] cbuf, int ofs, int len) throws IOException
   {
      int l = len;
      while (--len >= 0)
         cbuf[ofs++] = ds.readChar();
      return l;
   }
   public int write(char c) throws IOException
   {
      return ds.writeChar(c);
   }
   public int write(char[] cbuf) throws IOException
   {
      return write(cbuf,0,cbuf.length);
   }

   public int write(char[] cbuf, int ofs, int len) throws IOException
   {
      int l = len;
      while (--len >= 0)
         ds.writeChar(cbuf[ofs++]);
      return l;
   }
}