daoas/daoadresseservice/LevenshteinStreetnameHelper.java

package dk.daoas.daoadresseservice;

import org.apache.commons.lang3.StringUtils;

import dk.daoas.daoadresseservice.beans.SearchRequest;
import dk.daoas.daoadresseservice.beans.SearchResult;

public class LevenshteinStreetnameHelper implements StreetnameHelper {
        
        //AddressSearch search;
        
        public LevenshteinStreetnameHelper(AddressSearch search ) {
                //this.search = search;
        }

        @Override
        public String proposeStreetName(SearchRequest request, SearchResult result) {
                
                result.levenshtein = true;
                
                for(String vej : request.streetNames.keySet() ) {
                        if ( StringUtils.getLevenshteinDistance(result.vasketVejnavn, vej) == 1) {
                                System.out.println("Levenstein: " + result.vasketVejnavn + "->" + vej + " distance=1");
                                result.levenshteinDistance = 1;
                                return vej;
                        }
                }
                
                /*
                 Distance=2 laver også false positives - så udkommenter denne sektion indtil at den er mere robust
                //prøv igen med distance=2
                for(String vej : request.streetNames.keySet() ) {
                        if ( StringUtils.getLevenshteinDistance(result.vasketVejnavn, vej) == 2) {
                                System.out.println("Levenstein: " + result.vasketVejnavn + "->" + vej + " distance=2");
                                result.levenshteinDistance = 2;
                                return vej;
                        }
                }*/
                
                return null;
        }

}
1	package dk.daoas.daoadresseservice;
2
3	import org.apache.commons.lang3.StringUtils;
4
5	import dk.daoas.daoadresseservice.beans.SearchRequest;
6	import dk.daoas.daoadresseservice.beans.SearchResult;
7
8	public class LevenshteinStreetnameHelper implements StreetnameHelper {
9
10	//AddressSearch search;
11
12	public LevenshteinStreetnameHelper(AddressSearch search ) {
13	//this.search = search;
14	}
15
16	@Override
17	public String proposeStreetName(SearchRequest request, SearchResult result) {
18
19	result.levenshtein = true;
20
21	for(String vej : request.streetNames.keySet() ) {
22	if ( StringUtils.getLevenshteinDistance(result.vasketVejnavn, vej) == 1) {
23	System.out.println("Levenstein: " + result.vasketVejnavn + "->" + vej + " distance=1");
24	result.levenshteinDistance = 1;
25	return vej;
26	}
27	}
28
29	/*
30	Distance=2 laver også false positives - så udkommenter denne sektion indtil at den er mere robust
31	//prøv igen med distance=2
32	for(String vej : request.streetNames.keySet() ) {
33	if ( StringUtils.getLevenshteinDistance(result.vasketVejnavn, vej) == 2) {
34	System.out.println("Levenstein: " + result.vasketVejnavn + "->" + vej + " distance=2");
35	result.levenshteinDistance = 2;
36	return vej;
37	}
38	}*/
39
40	return null;
41	}
42
43	}