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package dk.thoerup.traininfo.util; |
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import java.util.TreeSet; |
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public class IntSet extends TreeSet<Integer> { |
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private static final long serialVersionUID = 1L; |
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public String toString() { |
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StringBuffer sb = new StringBuffer(); |
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for (int i : this) { |
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if (sb.length() > 0) { |
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sb.append(","); |
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} |
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sb.append(i); |
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} |
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return sb.toString(); |
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} |
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public void fromString(String intStr) { |
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this.clear(); |
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String parts[] = intStr.split(","); |
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for (String istr : parts) { |
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this.add( Integer.parseInt(istr)); |
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} |
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} |
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} |