source: AnnotationManagerN4J/src/main/java/de/mpiwg/itgroup/annotations/restlet/utils/JSONObjectComparator.java @ 31:9f653697437e

package de.mpiwg.itgroup.annotations.restlet.utils;

import java.util.Comparator;
import java.util.List;

import de.mpiwg.itgroup.annotations.Annotation;

import org.json.JSONException;
import org.json.JSONObject;

public class JSONObjectComparator implements Comparator<JSONObject>{
   
        private String attributeToSort;
        public JSONObjectComparator(String attribute){
                this.attributeToSort=attribute;
        }
        
        public int compare( JSONObject a, JSONObject b ) {
        // je quadratischer, desto grösser
                String sortA;
                try {
                        sortA = a.getString(attributeToSort);
                } catch (JSONException e) {
                        sortA ="";
                }
                String sortB;
                try {
                        sortB = b.getString(attributeToSort);
                } catch (JSONException e) {
                        sortB="";
                }
        
                
        return sortA.compareToIgnoreCase(sortB);
    }
        
        /**
         * Sortiere array nach einem Parameter in den Annotationen
         * @param results
         * @return
         */
        public static void sortAnnotations(List<JSONObject> results,String attribute) {
                JSONObjectComparator comp = new JSONObjectComparator(attribute);
                
                
        
                java.util.Collections.sort( results, comp);
                
                

        }        
        
}