java "map"

gistfile1.java

import com.google.common.collect.Iterables;
// ...
Iterable<String> items = Iterables.transform(getNodes("/List/Item", document),
	new Function<Node, String>() {
	    public String apply(@Nullable Node node) {
		//noinspection ConstantConditions
		return node.getTextContent();
	    }
	});