samples/delegatingwriterfinal/src-test2.0/api/usage/twodotzero/CountingWriter.java
1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/samples/delegatingwriterfinal/src-test2.0/api/usage/twodotzero/CountingWriter.java Sat Jun 14 09:53:06 2008 +0200
1.3 @@ -0,0 +1,36 @@
1.4 +
1.5 +package api.usage.twodotzero;
1.6 +
1.7 +import api.Writer;
1.8 +import java.io.IOException;
1.9 +import java.util.concurrent.atomic.AtomicInteger;
1.10 +
1.11 +/** Writer that counts the number of written in characters.
1.12 + *
1.13 + * @author Jaroslav Tulach
1.14 + */
1.15 +public class CountingWriter implements Writer.ImplSeq {
1.16 + private final AtomicInteger counter;
1.17 +
1.18 + private CountingWriter(AtomicInteger counter) {
1.19 + this.counter = counter;
1.20 + }
1.21 +
1.22 + public static Writer create(AtomicInteger result) {
1.23 + return Writer.create(new CountingWriter(result));
1.24 + }
1.25 +
1.26 + @Override
1.27 + public void write(CharSequence csq) throws IOException {
1.28 + counter.addAndGet(csq.length());
1.29 + }
1.30 +
1.31 + @Override
1.32 + public void flush() throws IOException {
1.33 + }
1.34 +
1.35 + @Override
1.36 + public void close() throws IOException {
1.37 + }
1.38 +
1.39 +}