daoas/daoadresseservice/GoogleStreetnameHelper.java

package dk.daoas.daoadresseservice;

import java.util.List;

import com.google.code.geocoder.Geocoder;
import com.google.code.geocoder.GeocoderRequestBuilder;
import com.google.code.geocoder.model.GeocodeResponse;
import com.google.code.geocoder.model.GeocoderAddressComponent;
import com.google.code.geocoder.model.GeocoderRequest;
import com.google.code.geocoder.model.GeocoderResult;
import com.google.code.geocoder.model.GeocoderStatus;

import com.google.common.util.concurrent.RateLimiter;

import dk.daoas.daoadresseservice.admin.ServiceConfig;
import dk.daoas.daoadresseservice.beans.SearchRequest;
import dk.daoas.daoadresseservice.beans.SearchResult;
import dk.thoerup.circuitbreaker.CircuitBreaker;
import dk.thoerup.circuitbreaker.CircuitBreakerManager;
import dk.thoerup.circuitbreaker.CircuitInvocation;

public class GoogleStreetnameHelper implements StreetnameHelper {
        
        ServiceConfig conf;
        RateLimiter limiter;

        public GoogleStreetnameHelper(ServiceConfig conf) {
                this.conf = conf;

                limiter = RateLimiter.create( 10.0 ); //max 10 req /sec
        }

        @Override
        public String proposeStreetName(SearchRequest request, SearchResult result) {
                if (conf.useGoogle == false)
                        return null;
                
                limiter.acquire();

                result.google = true;
                
                try {
                        GoogleInvocation wrapper = new GoogleInvocation( conf, request.postnr, request.vejnavn );
                        CircuitBreaker breaker = CircuitBreakerManager.getManager().getCircuitBreaker("google");

                        
                        result.googleVej =  (String) breaker.invoke(wrapper);
                        return result.googleVej;
                        
                        
                } catch (Exception e) {
                        System.out.println( "GoogleError: " + e.getClass().getName() +" / "+ e.getMessage() );
                }
                return null;    
        }
        
        static class GoogleInvocation implements CircuitInvocation {
                ServiceConfig conf;
                int postnr;
                String vejnavn;
                
                public GoogleInvocation(ServiceConfig conf, int postnr, String vejnavn) {
                        this.conf = conf;
                        this.postnr= postnr;
                        this.vejnavn = vejnavn;
                        
                }

                @Override
                public String proceed() throws Exception {
                        
                        final Geocoder geocoder;
                        if ( conf.googleApiKey != null ) {
                                geocoder = new Geocoder(conf.googleApiUser, conf.googleApiKey); //Throws InvalidKeyException
                        } else {
                                geocoder = new Geocoder();
                        }
                        //TimingHelper timer = new TimingHelper();
                        
                        String search = vejnavn + ", " + postnr + ", Denmark";
                        GeocoderRequest geocoderRequest = new GeocoderRequestBuilder().setAddress(search).setLanguage("en").getGeocoderRequest();
                        GeocodeResponse geocoderResponse = geocoder.geocode(geocoderRequest);
                                        
                        //timer.printElapsed("Google elapsed");
                        
                        //System.out.println( "Status: >" + geocoderResponse.getStatus() + "<");
                        if (  geocoderResponse.getStatus() != GeocoderStatus.OK) {                              
                                
                                if (geocoderResponse.getStatus() == GeocoderStatus.ZERO_RESULTS) {
                                        return null; 
                                } else {
                                        System.out.println("Google responded with " + geocoderResponse.getStatus() );
                                        //Hvis det er alvorlige fejl skal vi afbryde med exception og trigger circuitbreakeren
                                        throw new Exception("Google responded with " + geocoderResponse.getStatus() );
                                }
                                
                        }
                        
                        List<GeocoderResult> resList = geocoderResponse.getResults();
                        //System.out.println( "Count: " + resList.size() );
                        
                        if (resList.size() != 1) {
                                return null;
                        }
                        GeocoderResult res = resList.get(0);
                        
                        List<GeocoderAddressComponent> compList = res.getAddressComponents();
                        for (GeocoderAddressComponent c : compList) {
                                //System.out.println(c);
                                if (c.getTypes().contains("route")) {
                                        return c.getLongName();
                                }
                        }
                        return null;
                }
                
        }


}
1	package dk.daoas.daoadresseservice;
2
3	import java.util.List;
4
5	import com.google.code.geocoder.Geocoder;
6	import com.google.code.geocoder.GeocoderRequestBuilder;
7	import com.google.code.geocoder.model.GeocodeResponse;
8	import com.google.code.geocoder.model.GeocoderAddressComponent;
9	import com.google.code.geocoder.model.GeocoderRequest;
10	import com.google.code.geocoder.model.GeocoderResult;
11	import com.google.code.geocoder.model.GeocoderStatus;
12
13	import com.google.common.util.concurrent.RateLimiter;
14
15	import dk.daoas.daoadresseservice.admin.ServiceConfig;
16	import dk.daoas.daoadresseservice.beans.SearchRequest;
17	import dk.daoas.daoadresseservice.beans.SearchResult;
18	import dk.thoerup.circuitbreaker.CircuitBreaker;
19	import dk.thoerup.circuitbreaker.CircuitBreakerManager;
20	import dk.thoerup.circuitbreaker.CircuitInvocation;
21
22	public class GoogleStreetnameHelper implements StreetnameHelper {
23
24	ServiceConfig conf;
25	RateLimiter limiter;
26
27	public GoogleStreetnameHelper(ServiceConfig conf) {
28	this.conf = conf;
29
30	limiter = RateLimiter.create( 10.0 ); //max 10 req /sec
31	}
32
33	@Override
34	public String proposeStreetName(SearchRequest request, SearchResult result) {
35	if (conf.useGoogle == false)
36	return null;
37
38	limiter.acquire();
39
40	result.google = true;
41
42	try {
43	GoogleInvocation wrapper = new GoogleInvocation( conf, request.postnr, request.vejnavn );
44	CircuitBreaker breaker = CircuitBreakerManager.getManager().getCircuitBreaker("google");
45
46
47	result.googleVej = (String) breaker.invoke(wrapper);
48	return result.googleVej;
49
50
51	} catch (Exception e) {
52	System.out.println( "GoogleError: " + e.getClass().getName() +" / "+ e.getMessage() );
53	}
54	return null;
55	}
56
57	static class GoogleInvocation implements CircuitInvocation {
58	ServiceConfig conf;
59	int postnr;
60	String vejnavn;
61
62	public GoogleInvocation(ServiceConfig conf, int postnr, String vejnavn) {
63	this.conf = conf;
64	this.postnr= postnr;
65	this.vejnavn = vejnavn;
66
67	}
68
69	@Override
70	public String proceed() throws Exception {
71
72	final Geocoder geocoder;
73	if ( conf.googleApiKey != null ) {
74	geocoder = new Geocoder(conf.googleApiUser, conf.googleApiKey); //Throws InvalidKeyException
75	} else {
76	geocoder = new Geocoder();
77	}
78	//TimingHelper timer = new TimingHelper();
79
80	String search = vejnavn + ", " + postnr + ", Denmark";
81	GeocoderRequest geocoderRequest = new GeocoderRequestBuilder().setAddress(search).setLanguage("en").getGeocoderRequest();
82	GeocodeResponse geocoderResponse = geocoder.geocode(geocoderRequest);
83
84	//timer.printElapsed("Google elapsed");
85
86	//System.out.println( "Status: >" + geocoderResponse.getStatus() + "<");
87	if ( geocoderResponse.getStatus() != GeocoderStatus.OK) {
88
89	if (geocoderResponse.getStatus() == GeocoderStatus.ZERO_RESULTS) {
90	return null;
91	} else {
92	System.out.println("Google responded with " + geocoderResponse.getStatus() );
93	//Hvis det er alvorlige fejl skal vi afbryde med exception og trigger circuitbreakeren
94	throw new Exception("Google responded with " + geocoderResponse.getStatus() );
95	}
96
97	}
98
99	List<GeocoderResult> resList = geocoderResponse.getResults();
100	//System.out.println( "Count: " + resList.size() );
101
102	if (resList.size() != 1) {
103	return null;
104	}
105	GeocoderResult res = resList.get(0);
106
107	List<GeocoderAddressComponent> compList = res.getAddressComponents();
108	for (GeocoderAddressComponent c : compList) {
109	//System.out.println(c);
110	if (c.getTypes().contains("route")) {
111	return c.getLongName();
112	}
113	}
114	return null;
115	}
116
117	}
118
119
120	}