import java.io.FilterReader;
import java.io.Reader;
import java.io.IOException;
 
/**
 * Created by IntelliJ IDEA.
 * User: me
 * Date: 13.09.2006
 * Time: 16:46:20
 * To change this template use File | Settings | File Templates.
 */
public class UpperCaseConvertor extends FilterReader {
    public UpperCaseConvertor(Reader reader) {
        super(reader);
    }
 
    public int read() throws IOException {
        int c = super.read();
        return (c == -1 ? c : Character.toUpperCase((char)c));
    }
 
    public int read(char[] buf, int offset, int count) throws IOException {
        int nread = super.read(buf, offset, count);
        int last = offset + nread;
        for (int i = offset; i < last; i++) {
            buf[i] = Character.toUpperCase(buf[i]);
        }
        return nread;
    }
}