daoadresseservice/db/DatabaseLayerImplementation.java

package dk.daoas.daoadresseservice.db;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import dk.daoas.daoadresseservice.AddressUtils;
import dk.daoas.daoadresseservice.beans.Address;
import dk.daoas.daoadresseservice.beans.AliasBean;
import dk.daoas.daoadresseservice.beans.ExtendedBean;
import dk.daoas.daoadresseservice.beans.HundredePctBean;
import dk.daoas.daoadresseservice.beans.SearchResult;
import dk.daoas.daoadresseservice.util.DeduplicateHelper;
import dk.daoas.daoadresseservice.util.TimingHelper;

public class DatabaseLayerImplementation implements DatabaseLayer {
        
        public static final boolean DEBUG = false;
        
        @Override
        public List<Address> getAllAdresses() throws SQLException {
                TimingHelper timing = new TimingHelper();
                
                String debugFilter = DatabaseLayerImplementation.DEBUG ? " AND postnr = 8700 " : "";
                
                String sql = 
                                "SELECT id,vejnavn,husnr,husnrbogstav,kommunekode,vejkode,postnr,gadeid,upper(distributor) AS distributor,dbkbane,latitude,longitude, "
                                + "rutema,korelistema,ruteti,korelisteti,ruteon,korelisteon,ruteto,korelisteto,rutefr,korelistefr,rutelo,korelistelo,ruteso,korelisteso "
                                + "FROM fulddaekning.adressetabel "
                                + "WHERE gadeid IS NOT NULL "
                                + debugFilter
                                ;

                
                try ( Connection conn = DBConnection.getConnection();           
                                Statement stmt = conn.createStatement(ResultSet.TYPE_FORWARD_ONLY, ResultSet.CONCUR_READ_ONLY);
                                ) {
                        stmt.setFetchSize(Integer.MIN_VALUE);
                        ResultSet res = stmt.executeQuery(sql);
                        
                        List<Address> list = new ArrayList<Address>(2600000);//initial capacity 2.6 mio
                        
                        DeduplicateHelper<String> vejnavnCache = new DeduplicateHelper<String>(81920);
                        DeduplicateHelper<String> husnrbogstavCache = new DeduplicateHelper<String>();
                        DeduplicateHelper<String> distributorCache = new DeduplicateHelper<String>();
                        DeduplicateHelper<String> dirigeringsCache = new DeduplicateHelper<String>(16*1024);
                        
                        DeduplicateHelper<String> baneCache = new DeduplicateHelper<String>();
        
                        
                        while (res.next()) {
                                
                                Address a = new Address();
                                a.id = res.getInt(1);
                                a.vejnavn = vejnavnCache.getInstance( res.getString(2) );
                                a.husnr = (short) res.getInt(3);
                                a.husnrbogstav = husnrbogstavCache.getInstance( res.getString(4) );
                                a.kommunekode = (short) res.getInt(5);
                                a.vejkode = (short)res.getInt(6);
                                a.postnr = (short)res.getInt(7);
                                a.gadeid = res.getInt(8);
                                a.distributor = distributorCache.getInstance(res.getString(9));
                                a.dbkBane = baneCache.getInstance( res.getString(10) );
                                a.latitude = (float) res.getDouble(11);
                                a.longitude = (float) res.getDouble(12);
                                
                                a.routingMandag.rute = dirigeringsCache.getInstance( res.getString(13) );
                                a.routingMandag.koreliste = dirigeringsCache.getInstance( res.getString(14) );
                                
                                a.routingTirsdag.rute = dirigeringsCache.getInstance( res.getString(15) );
                                a.routingTirsdag.koreliste = dirigeringsCache.getInstance( res.getString(16) );                         

                                a.routingOnsdag.rute = dirigeringsCache.getInstance( res.getString(17) );
                                a.routingOnsdag.koreliste = dirigeringsCache.getInstance( res.getString(18) );
                                
                                a.routingTorsdag.rute = dirigeringsCache.getInstance( res.getString(19) );
                                a.routingTorsdag.koreliste = dirigeringsCache.getInstance( res.getString(20) );
                                
                                a.routingFredag.rute = dirigeringsCache.getInstance( res.getString(21) );
                                a.routingFredag.koreliste = dirigeringsCache.getInstance( res.getString(22) );
                                
                                a.routingLordag.rute = dirigeringsCache.getInstance( res.getString(23) );
                                a.routingLordag.koreliste = dirigeringsCache.getInstance( res.getString(24) );
                                
                                a.routingSondag.rute = dirigeringsCache.getInstance( res.getString(25) );
                                a.routingSondag.koreliste = dirigeringsCache.getInstance( res.getString(26) );
                                
                                
                                //Ajourfør adresse objectets dækningstype
                                AddressUtils.updateDaekningstype(a);
                                
                                list.add(a);
                        }
                        res.close();
                        
                        
                        System.out.println("DB Loaded " + list.size() + " adresses in " + timing.getElapsed() + "ms");
                        
                        return list;
                }
        }
        
        @Override
        public List<AliasBean> getAliasList() throws SQLException {
                TimingHelper timing = new TimingHelper();
                

                String sql = "SELECT postnr,vejnavn,aliasvejnavn " +
                                        "FROM bogleveringer.vejtabelprod " 
                                        ;
                
                try ( Connection conn = DBConnection.getConnection();           
                                Statement stmt = conn.createStatement(ResultSet.TYPE_FORWARD_ONLY, ResultSet.CONCUR_READ_ONLY);
                                ) {
                                        
                        stmt.setFetchSize(Integer.MIN_VALUE);
                        
                        ResultSet res = stmt.executeQuery(sql);
                        
                        DeduplicateHelper<String> vejCache = new DeduplicateHelper<String>();
                        
                        List<AliasBean> list = new ArrayList<AliasBean>( 5000); 
                        while (res.next()) {            
                                
                                AliasBean ab = new AliasBean();
                                ab.postnr = res.getShort(1);
                                ab.vejnavn = vejCache.getInstance( res.getString(2) );
                                ab.aliasVejnavn = vejCache.getInstance( res.getString(3) );
                                                        
                                list.add(ab);
                        }
                
                        res.close();
                        
                        System.out.println("DB Loaded " + list.size() + " aliase beans in " + timing.getElapsed() + "ms");
                        
                        return list;
                }

        }
        
        @Override
        public List<ExtendedBean> getExtendedAdresslist() throws SQLException {
                
                TimingHelper timing = new TimingHelper();
                
                String debugFilter1 = DatabaseLayerImplementation.DEBUG ? " WHERE orgPostnr = 8700 " : "";
                String debugFilter2 = DatabaseLayerImplementation.DEBUG ? " AND orgPostnr = 8700 " : "";
                
                
                String sql = "select orgid, a.id as targetid, afstand, LOWER(type) as type from fulddaekning.afstand_anden_rute a " +
                                        "LEFT join odbc.transporttype t " + 
                                        "ON (t.Rute = a.Rute) " + 
                                        debugFilter1 +
                                        
                                        "UNION ALL " +
                                        
                                        "SELECT orgid, a.id as targetid, afstand,'' as type FROM  fulddaekning.afstand_anden_rute_bk a " +
                                        "left join bogleveringer.postnummerdistributor d on d.PostNr = a.orgPostnr " + 
                                        "WHERE d.Distributor <> 10057 " +
                                        debugFilter2
                                        ;
                
                try ( Connection conn = DBConnection.getConnection();           
                                Statement stmt = conn.createStatement(ResultSet.TYPE_FORWARD_ONLY, ResultSet.CONCUR_READ_ONLY);
                                ) {
                        
                
                        stmt.setFetchSize(Integer.MIN_VALUE);
                        
                        ResultSet res = stmt.executeQuery(sql);
                        
                        DeduplicateHelper<String> transportCache = new DeduplicateHelper<String>();
                        
                        List<ExtendedBean> list = new ArrayList<ExtendedBean>( 350000); //Initial capacity 350K
                        while (res.next()) {            
                                
                                ExtendedBean eb = new ExtendedBean();
                                eb.orgId = res.getInt(1);
                                eb.targetId = res.getInt(2);
                                eb.afstand = (float) res.getDouble(3);
                                eb.transport = transportCache.getInstance(res.getString(4));
                                                        
                                list.add(eb);
                        }
                        
                        res.close();
                        
                        System.out.println("DB Loaded " + list.size() + " extendedbeans in " + timing.getElapsed() + "ms");
                        
                        return list;
                }
        }
        
        @Override
        public Map<Short,HundredePctBean> get100PctList() throws SQLException {
                TimingHelper timing = new TimingHelper();
                
                String sql = "SELECT postnr,UPPER(distributor) as distributor,rute,koreliste,dbkbane " + 
                                         "FROM bogleveringer.adresser_udenfor_daekning";
                
                try ( Connection conn = DBConnection.getConnection();           
                                Statement stmt = conn.createStatement(ResultSet.TYPE_FORWARD_ONLY, ResultSet.CONCUR_READ_ONLY);
                                ) {
                        ResultSet res = stmt.executeQuery(sql);
        
                        Map<Short, HundredePctBean> map = new HashMap<Short,HundredePctBean>();
                        
                        DeduplicateHelper<String> distributorCache = new DeduplicateHelper<String>();
                        DeduplicateHelper<String> ruteCache = new DeduplicateHelper<String>();
                        DeduplicateHelper<String> korelisteCache = new DeduplicateHelper<String>();
                        DeduplicateHelper<String> baneCache = new DeduplicateHelper<String>();
                        
                        while (res.next()) {
                                
                                
                                HundredePctBean bean = new HundredePctBean();
                                bean.postnr = (short) res.getInt(1);
                                bean.distributor = distributorCache.getInstance(res.getString(2));
                                bean.rute = ruteCache.getInstance( res.getString(3) );
                                bean.koreliste = korelisteCache.getInstance(res.getString(4) );
                                bean.dbkBane = baneCache.getInstance(res.getString(5) );                        
                                                        
                                map.put(bean.postnr, bean);
                        }
                        
                        res.close();
                        
                        System.out.println("DB Loaded " + map.size() + " 100pct beans in " + timing.getElapsed() + "ms");
                        
                        return map;
                }
                
        }
        
        @Override
        public void saveRequestLog(String brugerid, String postnr, String adresse, String omdelingsdag, SearchResult result) throws SQLException {
                String setVar = "set sql_mode = 'NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION' ";
                
                String sql = "INSERT INTO logs.hentruteinformation (postnr,adresse,vejnavn,googlevejnavn,husnr,husnr_bogstav,etage,lejlighed,rest,brugerid,status, OmdelingDag, indlast) " +
                                        "VALUES ( ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, NOW() )";
                

                try ( Connection conn = DBConnection.getConnection();
                                Statement setStmt = conn.createStatement();                             
                                PreparedStatement stmt = conn.prepareStatement(sql);
                        ) {
                        
                        setStmt.execute(setVar);
                        
                        
                        stmt.setInt( 1, safeInt(postnr) );
                        stmt.setString( 2, adresse);
                        stmt.setString( 3, result.splitResult.vej);
                        stmt.setString( 4, coalesce(result.googleVej,result.osmVej) );
                        stmt.setString( 5, nullify(result.splitResult.husnr) );
                        stmt.setString( 6, result.splitResult.litra);
                        stmt.setString( 7, result.splitResult.etage);
                        stmt.setString( 8, result.splitResult.lejlighed);
                        stmt.setString( 9, result.splitResult.resten);
                        stmt.setString(10, brugerid);                   
                        stmt.setInt(11, getStatusInt(result.status) );
                        stmt.setString(12, omdelingsdag);
                        
                        stmt.executeUpdate();
                        
                }               
        }
        

        private static int safeInt(String str) {
                try {
                        return Integer.parseInt( str );
                } catch (NumberFormatException e) {
                        return 0;
                }
        }
        
        private static String nullify(String str) {
                if (str == null)
                        return null;
                
                if (str.equals("")) {
                        return null;
                } else {
                        return str;
                }
        }
        
        private static String coalesce(String s1, String s2) {
                if (s1 != null)
                        return s1;
                
                return s2;
        }

        public static int getStatusInt(SearchResult.Status status) {

                switch (status) {
                case ERROR_UNKNOWN_POSTAL:
                        return 20;
                case ERROR_MISSING_HOUSENUMBER:
                        return 21;
                case ERROR_POSTBOX:
                        return 22;                      
                case ERROR_UNKNOWN_STREETNAME:
                        return 23;
                case ERROR_UNKNOWN_ADDRESSPOINT:
                        return 24;
                case STATUS_NOT_COVERED:                        
                        return 25;
                case ERROR_INTERNAL: //                 
                        return 26;                      
                        
                case STATUS_OK:
                        return 30;
                        
                default:
                        return 31;
                }
        }       
        
}
1	package dk.daoas.daoadresseservice.db;
2
3	import java.sql.Connection;
4	import java.sql.PreparedStatement;
5	import java.sql.ResultSet;
6	import java.sql.SQLException;
7	import java.sql.Statement;
8	import java.util.ArrayList;
9	import java.util.HashMap;
10	import java.util.List;
11	import java.util.Map;
12
13	import dk.daoas.daoadresseservice.AddressUtils;
14	import dk.daoas.daoadresseservice.beans.Address;
15	import dk.daoas.daoadresseservice.beans.AliasBean;
16	import dk.daoas.daoadresseservice.beans.ExtendedBean;
17	import dk.daoas.daoadresseservice.beans.HundredePctBean;
18	import dk.daoas.daoadresseservice.beans.SearchResult;
19	import dk.daoas.daoadresseservice.util.DeduplicateHelper;
20	import dk.daoas.daoadresseservice.util.TimingHelper;
21
22	public class DatabaseLayerImplementation implements DatabaseLayer {
23
24	public static final boolean DEBUG = false;
25
26	@Override
27	public List<Address> getAllAdresses() throws SQLException {
28	TimingHelper timing = new TimingHelper();
29
30	String debugFilter = DatabaseLayerImplementation.DEBUG ? " AND postnr = 8700 " : "";
31
32	String sql =
33	"SELECT id,vejnavn,husnr,husnrbogstav,kommunekode,vejkode,postnr,gadeid,upper(distributor) AS distributor,dbkbane,latitude,longitude, "
34	+ "rutema,korelistema,ruteti,korelisteti,ruteon,korelisteon,ruteto,korelisteto,rutefr,korelistefr,rutelo,korelistelo,ruteso,korelisteso "
35	+ "FROM fulddaekning.adressetabel "
36	+ "WHERE gadeid IS NOT NULL "
37	+ debugFilter
38	;
39
40
41	try ( Connection conn = DBConnection.getConnection();
42	Statement stmt = conn.createStatement(ResultSet.TYPE_FORWARD_ONLY, ResultSet.CONCUR_READ_ONLY);
43	) {
44	stmt.setFetchSize(Integer.MIN_VALUE);
45	ResultSet res = stmt.executeQuery(sql);
46
47	List<Address> list = new ArrayList<Address>(2600000);//initial capacity 2.6 mio
48
49	DeduplicateHelper<String> vejnavnCache = new DeduplicateHelper<String>(81920);
50	DeduplicateHelper<String> husnrbogstavCache = new DeduplicateHelper<String>();
51	DeduplicateHelper<String> distributorCache = new DeduplicateHelper<String>();
52	DeduplicateHelper<String> dirigeringsCache = new DeduplicateHelper<String>(16*1024);
53
54	DeduplicateHelper<String> baneCache = new DeduplicateHelper<String>();
55
56
57	while (res.next()) {
58
59	Address a = new Address();
60	a.id = res.getInt(1);
61	a.vejnavn = vejnavnCache.getInstance( res.getString(2) );
62	a.husnr = (short) res.getInt(3);
63	a.husnrbogstav = husnrbogstavCache.getInstance( res.getString(4) );
64	a.kommunekode = (short) res.getInt(5);
65	a.vejkode = (short)res.getInt(6);
66	a.postnr = (short)res.getInt(7);
67	a.gadeid = res.getInt(8);
68	a.distributor = distributorCache.getInstance(res.getString(9));
69	a.dbkBane = baneCache.getInstance( res.getString(10) );
70	a.latitude = (float) res.getDouble(11);
71	a.longitude = (float) res.getDouble(12);
72
73	a.routingMandag.rute = dirigeringsCache.getInstance( res.getString(13) );
74	a.routingMandag.koreliste = dirigeringsCache.getInstance( res.getString(14) );
75
76	a.routingTirsdag.rute = dirigeringsCache.getInstance( res.getString(15) );
77	a.routingTirsdag.koreliste = dirigeringsCache.getInstance( res.getString(16) );
78
79	a.routingOnsdag.rute = dirigeringsCache.getInstance( res.getString(17) );
80	a.routingOnsdag.koreliste = dirigeringsCache.getInstance( res.getString(18) );
81
82	a.routingTorsdag.rute = dirigeringsCache.getInstance( res.getString(19) );
83	a.routingTorsdag.koreliste = dirigeringsCache.getInstance( res.getString(20) );
84
85	a.routingFredag.rute = dirigeringsCache.getInstance( res.getString(21) );
86	a.routingFredag.koreliste = dirigeringsCache.getInstance( res.getString(22) );
87
88	a.routingLordag.rute = dirigeringsCache.getInstance( res.getString(23) );
89	a.routingLordag.koreliste = dirigeringsCache.getInstance( res.getString(24) );
90
91	a.routingSondag.rute = dirigeringsCache.getInstance( res.getString(25) );
92	a.routingSondag.koreliste = dirigeringsCache.getInstance( res.getString(26) );
93
94
95	//Ajourfør adresse objectets dækningstype
96	AddressUtils.updateDaekningstype(a);
97
98	list.add(a);
99	}
100	res.close();
101
102
103	System.out.println("DB Loaded " + list.size() + " adresses in " + timing.getElapsed() + "ms");
104
105	return list;
106	}
107	}
108
109	@Override
110	public List<AliasBean> getAliasList() throws SQLException {
111	TimingHelper timing = new TimingHelper();
112
113
114	String sql = "SELECT postnr,vejnavn,aliasvejnavn " +
115	"FROM bogleveringer.vejtabelprod "
116	;
117
118	try ( Connection conn = DBConnection.getConnection();
119	Statement stmt = conn.createStatement(ResultSet.TYPE_FORWARD_ONLY, ResultSet.CONCUR_READ_ONLY);
120	) {
121
122	stmt.setFetchSize(Integer.MIN_VALUE);
123
124	ResultSet res = stmt.executeQuery(sql);
125
126	DeduplicateHelper<String> vejCache = new DeduplicateHelper<String>();
127
128	List<AliasBean> list = new ArrayList<AliasBean>( 5000);
129	while (res.next()) {
130
131	AliasBean ab = new AliasBean();
132	ab.postnr = res.getShort(1);
133	ab.vejnavn = vejCache.getInstance( res.getString(2) );
134	ab.aliasVejnavn = vejCache.getInstance( res.getString(3) );
135
136	list.add(ab);
137	}
138
139	res.close();
140
141	System.out.println("DB Loaded " + list.size() + " aliase beans in " + timing.getElapsed() + "ms");
142
143	return list;
144	}
145
146	}
147
148	@Override
149	public List<ExtendedBean> getExtendedAdresslist() throws SQLException {
150
151	TimingHelper timing = new TimingHelper();
152
153	String debugFilter1 = DatabaseLayerImplementation.DEBUG ? " WHERE orgPostnr = 8700 " : "";
154	String debugFilter2 = DatabaseLayerImplementation.DEBUG ? " AND orgPostnr = 8700 " : "";
155
156
157	String sql = "select orgid, a.id as targetid, afstand, LOWER(type) as type from fulddaekning.afstand_anden_rute a " +
158	"LEFT join odbc.transporttype t " +
159	"ON (t.Rute = a.Rute) " +
160	debugFilter1 +
161
162	"UNION ALL " +
163
164	"SELECT orgid, a.id as targetid, afstand,'' as type FROM fulddaekning.afstand_anden_rute_bk a " +
165	"left join bogleveringer.postnummerdistributor d on d.PostNr = a.orgPostnr " +
166	"WHERE d.Distributor <> 10057 " +
167	debugFilter2
168	;
169
170	try ( Connection conn = DBConnection.getConnection();
171	Statement stmt = conn.createStatement(ResultSet.TYPE_FORWARD_ONLY, ResultSet.CONCUR_READ_ONLY);
172	) {
173
174
175	stmt.setFetchSize(Integer.MIN_VALUE);
176
177	ResultSet res = stmt.executeQuery(sql);
178
179	DeduplicateHelper<String> transportCache = new DeduplicateHelper<String>();
180
181	List<ExtendedBean> list = new ArrayList<ExtendedBean>( 350000); //Initial capacity 350K
182	while (res.next()) {
183
184	ExtendedBean eb = new ExtendedBean();
185	eb.orgId = res.getInt(1);
186	eb.targetId = res.getInt(2);
187	eb.afstand = (float) res.getDouble(3);
188	eb.transport = transportCache.getInstance(res.getString(4));
189
190	list.add(eb);
191	}
192
193	res.close();
194
195	System.out.println("DB Loaded " + list.size() + " extendedbeans in " + timing.getElapsed() + "ms");
196
197	return list;
198	}
199	}
200
201	@Override
202	public Map<Short,HundredePctBean> get100PctList() throws SQLException {
203	TimingHelper timing = new TimingHelper();
204
205	String sql = "SELECT postnr,UPPER(distributor) as distributor,rute,koreliste,dbkbane " +
206	"FROM bogleveringer.adresser_udenfor_daekning";
207
208	try ( Connection conn = DBConnection.getConnection();
209	Statement stmt = conn.createStatement(ResultSet.TYPE_FORWARD_ONLY, ResultSet.CONCUR_READ_ONLY);
210	) {
211	ResultSet res = stmt.executeQuery(sql);
212
213	Map<Short, HundredePctBean> map = new HashMap<Short,HundredePctBean>();
214
215	DeduplicateHelper<String> distributorCache = new DeduplicateHelper<String>();
216	DeduplicateHelper<String> ruteCache = new DeduplicateHelper<String>();
217	DeduplicateHelper<String> korelisteCache = new DeduplicateHelper<String>();
218	DeduplicateHelper<String> baneCache = new DeduplicateHelper<String>();
219
220	while (res.next()) {
221
222
223	HundredePctBean bean = new HundredePctBean();
224	bean.postnr = (short) res.getInt(1);
225	bean.distributor = distributorCache.getInstance(res.getString(2));
226	bean.rute = ruteCache.getInstance( res.getString(3) );
227	bean.koreliste = korelisteCache.getInstance(res.getString(4) );
228	bean.dbkBane = baneCache.getInstance(res.getString(5) );
229
230	map.put(bean.postnr, bean);
231	}
232
233	res.close();
234
235	System.out.println("DB Loaded " + map.size() + " 100pct beans in " + timing.getElapsed() + "ms");
236
237	return map;
238	}
239
240	}
241
242	@Override
243	public void saveRequestLog(String brugerid, String postnr, String adresse, String omdelingsdag, SearchResult result) throws SQLException {
244	String setVar = "set sql_mode = 'NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION' ";
245
246	String sql = "INSERT INTO logs.hentruteinformation (postnr,adresse,vejnavn,googlevejnavn,husnr,husnr_bogstav,etage,lejlighed,rest,brugerid,status, OmdelingDag, indlast) " +
247	"VALUES ( ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, NOW() )";
248
249
250
251	try ( Connection conn = DBConnection.getConnection();
252	Statement setStmt = conn.createStatement();
253	PreparedStatement stmt = conn.prepareStatement(sql);
254	) {
255
256	setStmt.execute(setVar);
257
258
259	stmt.setInt( 1, safeInt(postnr) );
260	stmt.setString( 2, adresse);
261	stmt.setString( 3, result.splitResult.vej);
262	stmt.setString( 4, coalesce(result.googleVej,result.osmVej) );
263	stmt.setString( 5, nullify(result.splitResult.husnr) );
264	stmt.setString( 6, result.splitResult.litra);
265	stmt.setString( 7, result.splitResult.etage);
266	stmt.setString( 8, result.splitResult.lejlighed);
267	stmt.setString( 9, result.splitResult.resten);
268	stmt.setString(10, brugerid);
269	stmt.setInt(11, getStatusInt(result.status) );
270	stmt.setString(12, omdelingsdag);
271
272	stmt.executeUpdate();
273
274	}
275	}
276
277
278
279
280	private static int safeInt(String str) {
281	try {
282	return Integer.parseInt( str );
283	} catch (NumberFormatException e) {
284	return 0;
285	}
286	}
287
288	private static String nullify(String str) {
289	if (str == null)
290	return null;
291
292	if (str.equals("")) {
293	return null;
294	} else {
295	return str;
296	}
297	}
298
299	private static String coalesce(String s1, String s2) {
300	if (s1 != null)
301	return s1;
302
303	return s2;
304	}
305
306	public static int getStatusInt(SearchResult.Status status) {
307
308	switch (status) {
309	case ERROR_UNKNOWN_POSTAL:
310	return 20;
311	case ERROR_MISSING_HOUSENUMBER:
312	return 21;
313	case ERROR_POSTBOX:
314	return 22;
315	case ERROR_UNKNOWN_STREETNAME:
316	return 23;
317	case ERROR_UNKNOWN_ADDRESSPOINT:
318	return 24;
319	case STATUS_NOT_COVERED:
320	return 25;
321	case ERROR_INTERNAL: //
322	return 26;
323
324	case STATUS_OK:
325	return 30;
326
327	default:
328	return 31;
329	}
330	}
331
332	}