daoadresseservice/db/DatabaseLayer.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.DaekningsType;
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.LoggedAddress;
import dk.daoas.daoadresseservice.beans.SearchResult;
import dk.daoas.daoadresseservice.util.DeduplicateHelper;

public class DatabaseLayer {
        
        static boolean DEBUG = false;
        
        public static List<Address> getAllAdresses() throws SQLException {
                String debugFilter = DatabaseLayer.DEBUG ? " AND postnr = 8700 " : "";
                
                String sql = 
                                "SELECT id,vejnavn,husnr,husnrbogstav,kommunekode,vejkode,postnr,gadeid,upper(distributor) AS distributor,dbkbane,koreliste,rute,latitude,longitude "
                                + "FROM fulddaekning.adressetabel "
                                + "WHERE gadeid IS NOT NULL "
                                + debugFilter
                                ;
                
                try ( Connection conn = DBConnection.getConnection();           
                                Statement stmt = conn.createStatement(java.sql.ResultSet.TYPE_FORWARD_ONLY, java.sql.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>();
                        DeduplicateHelper<String> husnrbogstavCache = new DeduplicateHelper<String>();
                        DeduplicateHelper<String> distributorCache = new DeduplicateHelper<String>();
                        DeduplicateHelper<String> korelisteCache = new DeduplicateHelper<String>();
                        DeduplicateHelper<String> ruteCache = new DeduplicateHelper<String>();
        
                        
                        while (res.next()) {
                                
                                Address a = new Address();
                                a.id = res.getInt(1);
                                a.vejnavn = vejnavnCache.getInstance( res.getString(2) );
                                a.husnr = res.getInt(3);
                                a.husnrbogstav = husnrbogstavCache.getInstance( res.getString(4) );
                                a.kommunekode = res.getInt(5);
                                a.vejkode = res.getInt(6);
                                a.postnr = res.getInt(7);
                                a.gadeid = res.getLong(8);
                                a.distributor = distributorCache.getInstance(res.getString(9));
                                a.dbkBane = res.getInt(10);
                                a.koreliste = korelisteCache.getInstance( res.getString(11) );
                                a.rute = ruteCache.getInstance( res.getString(12) );
                                a.latitude = res.getDouble(13);
                                a.longitude = res.getDouble(14);
                                
                                //a.vasketVejnavn = AddressUtils.vaskVejnavn(a.vejnavn);
                                
                                if (a.rute != null && a.rute.length()> 0) {
                                        a.daekningsType = DaekningsType.DAEKNING_DIREKTE;
                                } else {
                                        a.daekningsType = DaekningsType.DAEKNING_IKKEDAEKKET;
                                }                       
                                
                                list.add(a);
                        }
                        res.close();
                        stmt.close();
                        conn.close();
                        
                        System.out.println("Loaded " + list.size() + " adresses");
                        
                        return list;
                }
        }
        
        public static List<AliasBean> getAliasList() throws SQLException {
                

                String sql = "SELECT postnr,vejnavn,aliasvejnavn " +
                                        "FROM bogleveringer.vejtabelprod " 
                                        ;
                
                try ( Connection conn = DBConnection.getConnection();           
                                Statement stmt = conn.createStatement(java.sql.ResultSet.TYPE_FORWARD_ONLY, java.sql.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.getInt(1);
                                ab.vejnavn = vejCache.getInstance( res.getString(2) );
                                ab.aliasVejnavn = vejCache.getInstance( res.getString(3) );
                                                        
                                list.add(ab);
                        }
                
                        res.close();
                        
                        System.out.println("Loaded " + list.size() + " aliase beans");
                        
                        return list;
                }

        }
        
        public static List<ExtendedBean> getExtendedAdresslist() throws SQLException {
                String debugFilter1 = DatabaseLayer.DEBUG ? " WHERE orgPostnr = 8700 " : "";
                String debugFilter2 = DatabaseLayer.DEBUG ? " AND orgPostnr = 8700 " : "";
                
                
                String sql = "select orgid, a.id as targetid, afstand, LOWER(type) as type from fulddaekning.afstand_anden_rute a " +
                                        "join odbc.transporttype t " + 
                                        "on t.Art = 'Transpost' " +
                                        "and ( (t.Type = 'Cykel' and a.Afstand < 1.001) or (t.Type = 'Scooter' and a.Afstand < 1.201) or (t.Type = 'Bil' and a.Afstand < 2.601) ) " +
                                        "and 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(java.sql.ResultSet.TYPE_FORWARD_ONLY, java.sql.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 = res.getDouble(3);
                                eb.transport = transportCache.getInstance(res.getString(4));
                                                        
                                list.add(eb);
                        }
                        
                        res.close();
                        
                        System.out.println("Loaded " + list.size() + " extendedbeans");
                        
                        return list;
                }
        }
        
        public static Map<Integer,HundredePctBean> get100PctList() throws SQLException {
                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(java.sql.ResultSet.TYPE_FORWARD_ONLY, java.sql.ResultSet.CONCUR_READ_ONLY);
                                ) {
                        ResultSet res = stmt.executeQuery(sql);
        
                        Map<Integer,HundredePctBean> map = new HashMap<Integer,HundredePctBean>();
                        
                        DeduplicateHelper<String> distributorCache = new DeduplicateHelper<String>();
                        
                        while (res.next()) {
                                
                                
                                HundredePctBean bean = new HundredePctBean();
                                bean.postnr = res.getInt(1);
                                bean.distributor = distributorCache.getInstance(res.getString(2));
                                bean.rute = res.getString(3);
                                bean.koreliste = res.getString(4);
                                bean.dbkBane = res.getInt(5);                   
                                                        
                                map.put(bean.postnr, bean);
                        }
                        
                        res.close();
                        
                        System.out.println("Loaded " + map.size() + " 100pct beans");
                        
                        return map;
                }
                
        }
        
        public static void saveRequestLog(String brugerid, String postnr, String adresse, SearchResult result) throws SQLException {
                String sql = "INSERT INTO logs.hentruteinformation (postnr,adresse,vejnavn,googlevejnavn,husnr,husnr_bogstav,etage,lejlighed,rest,brugerid,status, indlast) " +
                                        "VALUES ( ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?,  NOW() )";
                

                try ( Connection conn = DBConnection.getConnection();           
                                PreparedStatement stmt = conn.prepareStatement(sql);
                        ) {
                        
                        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.executeUpdate();
                        
                }               
        }
        
        /*
         * Bruges til at sammenligne gammel og ny adresse service - kan fjernes engang efter at vi er skiftet til ny service 
         */
        public static List<LoggedAddress> getLoggedAdresses(int antaldage) throws SQLException {
                String sql = "select postnr,adresse,status from logs.hentruteinformation where indlast>=date_sub(curdate(), interval " + antaldage + " day) " +
                                "and status IN (10,11,12) " +
                                "group by postnr,adresse "
                                ;

                try ( Connection conn = DBConnection.getConnection();           
                                Statement stmt = conn.createStatement(java.sql.ResultSet.TYPE_FORWARD_ONLY, java.sql.ResultSet.CONCUR_READ_ONLY);
                                ) {


                        stmt.setFetchSize(Integer.MIN_VALUE);

                        ResultSet res = stmt.executeQuery(sql);

                        List<LoggedAddress> result = new ArrayList<LoggedAddress>();

                        while (res.next()) {
                                LoggedAddress a = new LoggedAddress();                          
                                a.postnr = res.getInt(1);                               
                                a.adresse = res.getString(2);
                                a.status = res.getInt(3);

                                result.add(a);
                        }

                        res.close();

                        return result;
                }
        }
        
        private 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;
                }
        }
        
        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;
        }

        
}
1	torben	2274	package dk.daoas.daoadresseservice.db;
2
3
4			import java.sql.Connection;
5	torben	2372	import java.sql.PreparedStatement;
6	torben	2274	import java.sql.ResultSet;
7			import java.sql.SQLException;
8			import java.sql.Statement;
9			import java.util.ArrayList;
10	torben	2279	import java.util.HashMap;
11	torben	2274	import java.util.List;
12	torben	2279	import java.util.Map;
13	torben	2274
14			import dk.daoas.daoadresseservice.DaekningsType;
15	torben	2282	import dk.daoas.daoadresseservice.beans.Address;
16	torben	2395	import dk.daoas.daoadresseservice.beans.AliasBean;
17	torben	2282	import dk.daoas.daoadresseservice.beans.ExtendedBean;
18			import dk.daoas.daoadresseservice.beans.HundredePctBean;
19	torben	2384	import dk.daoas.daoadresseservice.beans.LoggedAddress;
20	torben	2372	import dk.daoas.daoadresseservice.beans.SearchResult;
21	torben	2316	import dk.daoas.daoadresseservice.util.DeduplicateHelper;
22	torben	2274
23			public class DatabaseLayer {
24
25	torben	2337	static boolean DEBUG = false;
26
27	torben	2274	public static List<Address> getAllAdresses() throws SQLException {
28	torben	2337	String debugFilter = DatabaseLayer.DEBUG ? " AND postnr = 8700 " : "";
29	torben	2274
30	torben	2442	String sql =
31			"SELECT id,vejnavn,husnr,husnrbogstav,kommunekode,vejkode,postnr,gadeid,upper(distributor) AS distributor,dbkbane,koreliste,rute,latitude,longitude "
32	torben	2274	+ "FROM fulddaekning.adressetabel "
33	torben	2296	+ "WHERE gadeid IS NOT NULL "
34	torben	2337	+ debugFilter
35	torben	2274	;
36
37	torben	2372	try ( Connection conn = DBConnection.getConnection();
38			Statement stmt = conn.createStatement(java.sql.ResultSet.TYPE_FORWARD_ONLY, java.sql.ResultSet.CONCUR_READ_ONLY);
39			) {
40			stmt.setFetchSize(Integer.MIN_VALUE);
41			ResultSet res = stmt.executeQuery(sql);
42	torben	2308
43	torben	2372	List<Address> list = new ArrayList<Address>(2600000);//initial capacity 2.6 mio
44	torben	2274
45	torben	2372	DeduplicateHelper<String> vejnavnCache = new DeduplicateHelper<String>();
46			DeduplicateHelper<String> husnrbogstavCache = new DeduplicateHelper<String>();
47			DeduplicateHelper<String> distributorCache = new DeduplicateHelper<String>();
48			DeduplicateHelper<String> korelisteCache = new DeduplicateHelper<String>();
49			DeduplicateHelper<String> ruteCache = new DeduplicateHelper<String>();
50
51	torben	2274
52	torben	2372	while (res.next()) {
53
54			Address a = new Address();
55			a.id = res.getInt(1);
56			a.vejnavn = vejnavnCache.getInstance( res.getString(2) );
57			a.husnr = res.getInt(3);
58			a.husnrbogstav = husnrbogstavCache.getInstance( res.getString(4) );
59			a.kommunekode = res.getInt(5);
60			a.vejkode = res.getInt(6);
61			a.postnr = res.getInt(7);
62			a.gadeid = res.getLong(8);
63			a.distributor = distributorCache.getInstance(res.getString(9));
64			a.dbkBane = res.getInt(10);
65			a.koreliste = korelisteCache.getInstance( res.getString(11) );
66			a.rute = ruteCache.getInstance( res.getString(12) );
67	torben	2442	a.latitude = res.getDouble(13);
68			a.longitude = res.getDouble(14);
69	torben	2372
70			//a.vasketVejnavn = AddressUtils.vaskVejnavn(a.vejnavn);
71
72			if (a.rute != null && a.rute.length()> 0) {
73			a.daekningsType = DaekningsType.DAEKNING_DIREKTE;
74			} else {
75			a.daekningsType = DaekningsType.DAEKNING_IKKEDAEKKET;
76			}
77
78			list.add(a);
79			}
80			res.close();
81			stmt.close();
82			conn.close();
83	torben	2274
84	torben	2372	System.out.println("Loaded " + list.size() + " adresses");
85
86			return list;
87	torben	2274	}
88			}
89	torben	2276
90	torben	2395	public static List<AliasBean> getAliasList() throws SQLException {
91
92
93			String sql = "SELECT postnr,vejnavn,aliasvejnavn " +
94			"FROM bogleveringer.vejtabelprod "
95			;
96
97			try ( Connection conn = DBConnection.getConnection();
98			Statement stmt = conn.createStatement(java.sql.ResultSet.TYPE_FORWARD_ONLY, java.sql.ResultSet.CONCUR_READ_ONLY);
99			) {
100
101			stmt.setFetchSize(Integer.MIN_VALUE);
102
103			ResultSet res = stmt.executeQuery(sql);
104
105			DeduplicateHelper<String> vejCache = new DeduplicateHelper<String>();
106
107			List<AliasBean> list = new ArrayList<AliasBean>( 5000);
108			while (res.next()) {
109
110			AliasBean ab = new AliasBean();
111			ab.postnr = res.getInt(1);
112			ab.vejnavn = vejCache.getInstance( res.getString(2) );
113			ab.aliasVejnavn = vejCache.getInstance( res.getString(3) );
114
115			list.add(ab);
116			}
117
118			res.close();
119
120			System.out.println("Loaded " + list.size() + " aliase beans");
121
122			return list;
123			}
124
125			}
126
127	torben	2279	public static List<ExtendedBean> getExtendedAdresslist() throws SQLException {
128	torben	2337	String debugFilter1 = DatabaseLayer.DEBUG ? " WHERE orgPostnr = 8700 " : "";
129			String debugFilter2 = DatabaseLayer.DEBUG ? " AND orgPostnr = 8700 " : "";
130	torben	2296
131	torben	2337
132	torben	2283	String sql = "select orgid, a.id as targetid, afstand, LOWER(type) as type from fulddaekning.afstand_anden_rute a " +
133	torben	2276	"join odbc.transporttype t " +
134			"on t.Art = 'Transpost' " +
135			"and ( (t.Type = 'Cykel' and a.Afstand < 1.001) or (t.Type = 'Scooter' and a.Afstand < 1.201) or (t.Type = 'Bil' and a.Afstand < 2.601) ) " +
136			"and t.Rute = a.Rute " +
137	torben	2337	debugFilter1 +
138	torben	2276
139			"UNION ALL " +
140
141			"SELECT orgid, a.id as targetid, afstand,'' as type FROM fulddaekning.afstand_anden_rute_bk a " +
142			"left join bogleveringer.postnummerdistributor d on d.PostNr = a.orgPostnr " +
143	torben	2337	"WHERE d.Distributor <> 10057 " +
144			debugFilter2
145	torben	2276	;
146
147	torben	2372	try ( Connection conn = DBConnection.getConnection();
148			Statement stmt = conn.createStatement(java.sql.ResultSet.TYPE_FORWARD_ONLY, java.sql.ResultSet.CONCUR_READ_ONLY);
149			) {
150
151	torben	2308
152	torben	2372	stmt.setFetchSize(Integer.MIN_VALUE);
153	torben	2318
154	torben	2372	ResultSet res = stmt.executeQuery(sql);
155
156			DeduplicateHelper<String> transportCache = new DeduplicateHelper<String>();
157
158			List<ExtendedBean> list = new ArrayList<ExtendedBean>( 350000); //Initial capacity 350K
159			while (res.next()) {
160
161			ExtendedBean eb = new ExtendedBean();
162			eb.orgId = res.getInt(1);
163			eb.targetId = res.getInt(2);
164			eb.afstand = res.getDouble(3);
165			eb.transport = transportCache.getInstance(res.getString(4));
166
167			list.add(eb);
168			}
169
170			res.close();
171
172			System.out.println("Loaded " + list.size() + " extendedbeans");
173
174			return list;
175	torben	2276	}
176			}
177
178	torben	2279	public static Map<Integer,HundredePctBean> get100PctList() throws SQLException {
179	torben	2283	String sql = "SELECT postnr,UPPER(distributor) as distributor,rute,koreliste,dbkbane " +
180	torben	2279	"FROM bogleveringer.adresser_udenfor_daekning";
181
182	torben	2372	try ( Connection conn = DBConnection.getConnection();
183			Statement stmt = conn.createStatement(java.sql.ResultSet.TYPE_FORWARD_ONLY, java.sql.ResultSet.CONCUR_READ_ONLY);
184			) {
185			ResultSet res = stmt.executeQuery(sql);
186
187			Map<Integer,HundredePctBean> map = new HashMap<Integer,HundredePctBean>();
188	torben	2279
189	torben	2372	DeduplicateHelper<String> distributorCache = new DeduplicateHelper<String>();
190	torben	2317
191	torben	2372	while (res.next()) {
192
193
194			HundredePctBean bean = new HundredePctBean();
195			bean.postnr = res.getInt(1);
196			bean.distributor = distributorCache.getInstance(res.getString(2));
197			bean.rute = res.getString(3);
198			bean.koreliste = res.getString(4);
199			bean.dbkBane = res.getInt(5);
200
201			map.put(bean.postnr, bean);
202			}
203
204			res.close();
205
206			System.out.println("Loaded " + map.size() + " 100pct beans");
207
208			return map;
209	torben	2279	}
210
211	torben	2372	}
212
213			public static void saveRequestLog(String brugerid, String postnr, String adresse, SearchResult result) throws SQLException {
214			String sql = "INSERT INTO logs.hentruteinformation (postnr,adresse,vejnavn,googlevejnavn,husnr,husnr_bogstav,etage,lejlighed,rest,brugerid,status, indlast) " +
215			"VALUES ( ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, NOW() )";
216	torben	2279
217	torben	2372
218	torben	2279
219	torben	2372	try ( Connection conn = DBConnection.getConnection();
220			PreparedStatement stmt = conn.prepareStatement(sql);
221			) {
222
223			stmt.setInt( 1, safeInt(postnr) );
224			stmt.setString( 2, adresse);
225			stmt.setString( 3, result.splitResult.vej);
226			stmt.setString( 4, coalesce(result.googleVej,result.osmVej) );
227			stmt.setString( 5, nullify(result.splitResult.husnr) );
228			stmt.setString( 6, result.splitResult.litra);
229			stmt.setString( 7, result.splitResult.etage);
230			stmt.setString( 8, result.splitResult.lejlighed);
231			stmt.setString( 9, result.splitResult.resten);
232			stmt.setString(10, brugerid);
233			stmt.setInt(11, getStatusInt(result.status) );
234
235			stmt.executeUpdate();
236
237			}
238			}
239
240	torben	2384	/*
241			* Bruges til at sammenligne gammel og ny adresse service - kan fjernes engang efter at vi er skiftet til ny service
242			*/
243			public static List<LoggedAddress> getLoggedAdresses(int antaldage) throws SQLException {
244			String sql = "select postnr,adresse,status from logs.hentruteinformation where indlast>=date_sub(curdate(), interval " + antaldage + " day) " +
245			"and status IN (10,11,12) " +
246			"group by postnr,adresse "
247			;
248
249			try ( Connection conn = DBConnection.getConnection();
250			Statement stmt = conn.createStatement(java.sql.ResultSet.TYPE_FORWARD_ONLY, java.sql.ResultSet.CONCUR_READ_ONLY);
251			) {
252
253
254			stmt.setFetchSize(Integer.MIN_VALUE);
255
256			ResultSet res = stmt.executeQuery(sql);
257
258			List<LoggedAddress> result = new ArrayList<LoggedAddress>();
259
260			while (res.next()) {
261			LoggedAddress a = new LoggedAddress();
262			a.postnr = res.getInt(1);
263			a.adresse = res.getString(2);
264			a.status = res.getInt(3);
265
266			result.add(a);
267			}
268
269			res.close();
270
271			return result;
272			}
273			}
274
275	torben	2372	private static int getStatusInt(SearchResult.Status status) {
276
277			switch (status) {
278			case ERROR_UNKNOWN_POSTAL:
279			return 20;
280			case ERROR_MISSING_HOUSENUMBER:
281			return 21;
282	torben	2420	case ERROR_POSTBOX:
283			return 22;
284	torben	2372	case ERROR_UNKNOWN_STREETNAME:
285	torben	2420	return 23;
286	torben	2372	case ERROR_UNKNOWN_ADDRESSPOINT:
287			return 24;
288	torben	2420	case STATUS_NOT_COVERED:
289	torben	2372	return 25;
290	torben	2420	case ERROR_INTERNAL: //
291			return 26;
292	torben	2372
293	torben	2420	case STATUS_OK:
294	torben	2421	return 30;
295	torben	2420
296	torben	2372	default:
297	torben	2421	return 31;
298	torben	2372	}
299			}
300
301			private static int safeInt(String str) {
302			try {
303			return Integer.parseInt( str );
304			} catch (NumberFormatException e) {
305			return 0;
306			}
307			}
308
309			private static String nullify(String str) {
310			if (str == null)
311			return null;
312	torben	2279
313	torben	2372	if (str.equals("")) {
314			return null;
315			} else {
316			return str;
317			}
318	torben	2279	}
319
320	torben	2372	private static String coalesce(String s1, String s2) {
321			if (s1 != null)
322			return s1;
323
324			return s2;
325			}
326
327
328	torben	2274	}