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@unclebob
Created October 3, 2010 20:55
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@Test
public void wrapJustBeforeWordBoundary() throws Exception {
assertThat(wrap("word word", 4), equalTo("word\nword"));
}
public class Wrapper {
public static String wrap(String s, int col) {
if (s.length() <= col)
return s;
int space = (s.substring(0, col).lastIndexOf(' '));
if (space != -1)
return (s.substring(0, space) + "\n" + wrap(s.substring(space + 1), col));
else if (s.charAt(col) == ' ')
return (s.substring(0, col) + "\n" + wrap(s.substring(col + 1), col));
else
return (s.substring(0, col) + "\n" + wrap(s.substring(col), col));
}
}
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