1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/samples/delegatingwriterfinal/src-api2.0/api/Writer.java	Sat Jun 14 09:53:06 2008 +0200
     1.3 @@ -0,0 +1,41 @@
     1.4 +package api;
     1.5 +
     1.6 +import java.io.IOException;
     1.7 +
     1.8 +/** Fixing the problem caused by mixing subclassing and delegation in 
     1.9 + * the <code>java.io.BufferedWriter</code>
    1.10 + *
    1.11 + * @author Jaroslav Tulach <jaroslav.tulach@apidesign.org>
    1.12 + */
    1.13 +public final class Writer {
    1.14 +    private final Impl impl;
    1.15 +    
    1.16 +    private Writer(Impl impl) {
    1.17 +        this.impl = impl;
    1.18 +    }
    1.19 +    public final void write(int c) throws IOException {
    1.20 +        impl.write(new CharSeq(c));
    1.21 +    }
    1.22 +    
    1.23 +    public final void write(char cbuf[]) throws IOException {
    1.24 +	impl.write(new CharSeq(cbuf, 0, cbuf.length));
    1.25 +    }
    1.26 +    public final void write(char cbuf[], int off, int len) throws IOException {
    1.27 +        impl.write(new CharSeq(cbuf, off, len));
    1.28 +    }
    1.29 +    public final void write(String str) throws IOException {
    1.30 +	impl.write(str);
    1.31 +    }
    1.32 +    public final void write(String str, int off, int len) throws IOException {
    1.33 +        impl.write(str.subSequence(off, off + len));
    1.34 +    }
    1.35 +
    1.36 +    
    1.37 +    
    1.38 +    public static interface Impl {
    1.39 +        public void write(CharSequence seq) throws IOException;
    1.40 +    }
    1.41 +    
    1.42 +    
    1.43 +    
    1.44 +}