public static String toString(Iterable<?> list) {
if (list == null) {
return "(null)";
} else {
return Iterators.toString(list.iterator());
}
}
private void printSourcesOfArticles(
List<Article> articles, Map<GeneralSource, List<Source>> generalSources) {
System.out.println(
"Selected articles: "
+ Iterators.toString(articles.stream().map(article -> article.getTitle()).iterator()));
for (GeneralSource generalSource : generalSources.keySet()) {
List<Source> sources = generalSources.get(generalSource);
System.out.println(generalSource.getName() + " " + sources.size() + "x");
}
}
/**
* Returns a string representation of {@code iterable}, with the format {@code [e1, e2, ..., en]}.
*/
public static String toString(Iterable<?> iterable) {
return Iterators.toString(iterable.iterator());
}