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547
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1 /**
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2 *
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3 */
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557
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4 package digilib.util;
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547
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5
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6 import java.util.HashSet;
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7 import java.util.StringTokenizer;
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8
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9 /**
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10 * @author casties
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11 *
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12 */
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13 @SuppressWarnings("serial")
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14 public class OptionsSet extends HashSet<String> {
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15
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16 protected String optionSep = ",";
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17
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18 public OptionsSet() {
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19 super();
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20 }
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21
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22 /** Constructor with String of options.
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23 * @param s
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24 */
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25 public OptionsSet(String s) {
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26 super();
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27 parseString(s);
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28 }
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29
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30 /** Adds all options from String to Set.
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31 * @param s
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32 */
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33 public void parseString(String s) {
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34 if (s != null) {
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35 StringTokenizer i = new StringTokenizer(s, optionSep);
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36 while (i.hasMoreTokens()) {
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37 String opt = i.nextToken();
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38 this.add(opt);
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39 }
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40 }
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41 }
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42
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43 public boolean hasOption(String opt) {
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44 return this.contains(opt);
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45 }
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46
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47 public String toString() {
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48 StringBuffer b = new StringBuffer();
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49 for (String s: this) {
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50 if (b.length() > 0) {
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51 b.append(optionSep);
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52 }
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53 b.append(s);
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54 }
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55 return b.toString();
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56 }
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57
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58
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59 public String getOptionSep() {
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60 return optionSep;
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61 }
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62
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63 public void setOptionSep(String optionSep) {
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64 this.optionSep = optionSep;
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65 }
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66
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67 }
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