| package prettify; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| |
| /** |
| * @author Chan Wai Shing <cws1989@gmail.com> |
| */ |
| public class Util { |
| |
| public static String[] match(Pattern pattern, String string) { |
| List<String> matchesList = new ArrayList<String>(); |
| |
| Matcher matcher = pattern.matcher(string); |
| while (matcher.find()) { |
| matchesList.add(matcher.group(0)); |
| } |
| |
| return matchesList.toArray(new String[matchesList.size()]); |
| } |
| |
| public static boolean test(Pattern pattern, String string) { |
| Matcher matcher = pattern.matcher(string); |
| return matcher.find(); |
| } |
| |
| public static String join(List<String> strings) { |
| return join(strings.toArray(new String[strings.size()])); |
| } |
| |
| public static String join(List<String> strings, String delimiter) { |
| return join(strings.toArray(new String[strings.size()]), delimiter); |
| } |
| |
| public static String join(String[] strings) { |
| return join(strings, null); |
| } |
| |
| public static String join(String[] strings, String delimiter) { |
| StringBuilder sb = new StringBuilder(); |
| for (String string : strings) { |
| if (delimiter != null && sb.length() != 0) { |
| sb.append(delimiter); |
| } |
| sb.append(string); |
| } |
| return sb.toString(); |
| } |
| } |