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1 package de.mpiwg.itgroup.annotations.restlet.utils;
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2
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3 import java.util.Comparator;
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4 import java.util.List;
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5
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6 import org.json.JSONException;
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7 import org.json.JSONObject;
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8
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9 public class JSONObjectComparator implements Comparator<JSONObject>{
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10
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11 private String attributeToSort;
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12 public JSONObjectComparator(String attribute){
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13 this.attributeToSort=attribute;
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14 }
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15
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16 public int compare( JSONObject a, JSONObject b ) {
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17 // je quadratischer, desto grösser
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18 String sortA;
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19 try {
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20 sortA = a.getString(attributeToSort);
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21 } catch (JSONException e) {
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22 sortA ="";
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23 }
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24 String sortB;
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25 try {
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26 sortB = b.getString(attributeToSort);
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27 } catch (JSONException e) {
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28 sortB="";
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29 }
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30
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31
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32 return sortA.compareToIgnoreCase(sortB);
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33 }
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34
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35 /**
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36 * Sortiere array nach einem Parameter in den Annotationen
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37 * @param results
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38 * @return
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39 */
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40 public static void sortAnnotations(List<JSONObject> results,String attribute) {
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41 JSONObjectComparator comp = new JSONObjectComparator(attribute);
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42
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43
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44
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45 java.util.Collections.sort( results, comp);
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46
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47
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48
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49 }
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28
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50
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51 } |
