1 package autotest.common.table; 2 3 import autotest.common.table.DataSource.SortSpec; 4 5 import com.google.gwt.json.client.JSONObject; 6 7 import java.util.Comparator; 8 9 public class JSONObjectComparator implements Comparator<JSONObject> { 10 SortSpec[] sortSpecs; 11 12 public JSONObjectComparator(SortSpec[] specs) { 13 sortSpecs = new SortSpec[specs.length]; 14 System.arraycopy(specs, 0, sortSpecs, 0, specs.length); 15 } 16 17 public int compare(JSONObject arg0, JSONObject arg1) { 18 int compareValue = 0; 19 for (SortSpec sortSpec : sortSpecs) { 20 String key0 = arg0.get(sortSpec.getField()).toString().toLowerCase(); 21 String key1 = arg1.get(sortSpec.getField()).toString().toLowerCase(); 22 compareValue = key0.compareTo(key1) * sortSpec.getDirectionMultiplier(); 23 if (compareValue != 0) { 24 return compareValue; 25 } 26 } 27 28 // the given sort keys were all equal, but we'll ensure we're consistent with 29 // JSONObject.equals() 30 if (arg0.equals(arg1)) { 31 return 0; 32 } 33 // arbitrary (but consistent) ordering in this case 34 return arg0.hashCode() > arg1.hashCode() ? 1 : -1; 35 } 36 } 37
