Created
October 3, 2010 20:58
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public class Wrapper { | |
public static String wrap(String s, int col) { | |
return new Wrapper(col).wrap(s); | |
} | |
private int col; | |
private Wrapper(int col) { | |
this.col = col; | |
} | |
private String wrap(String s) { | |
if (s.length() <= col) | |
return s; | |
int space = (s.substring(0, col).lastIndexOf(' ')); | |
if (space != -1) | |
return breakLine(s, space, 1); | |
else if (s.charAt(col) == ' ') | |
return breakLine(s, col, 1); | |
else | |
return breakLine(s, col, 0); | |
} | |
private String breakLine(String s, int pos, int gap) { | |
return s.substring(0, pos) + "\n" + wrap(s.substring(pos + gap), col); | |
} | |
} |
This is a more efficient last-index computation for line 15:
int space = s.lastIndexOf(' ', col);
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I've cloned this gist and changed some things:
git://gist.github.com/1274003.git