geotools/io/GtDbServerSettings.java

package skrueger.geotools.io;

import java.awt.Component;
import java.net.MalformedURLException;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.util.HashMap;
import java.util.regex.Pattern;

import javax.management.RuntimeErrorException;

import org.apache.commons.lang.ArrayUtils;
import org.apache.commons.lang.StringUtils;
import org.apache.log4j.Logger;
import org.geotools.data.postgis.PostgisNGDataStoreFactory;
import org.geotools.jdbc.JDBCDataStore;
import org.geotools.jdbc.JDBCDataStoreFactory;
import org.jfree.util.Log;

import schmitzm.swing.BooleanInputOption;
import schmitzm.swing.ManualInputOption;
import schmitzm.swing.ManualInputOption.Integer;
import schmitzm.swing.ManualInputOption.PasswordViewable;
import schmitzm.swing.ManualInputOption.Text;
import schmitzm.swing.MultipleOptionPane;
import schmitzm.swing.SelectionInputOption;
import schmitzm.swing.SelectionInputOption.Combo;
import skrueger.db.PGUtil;

/**
 * This class describes all settings needed to connect to a WFS server. This
 * class extends a {@link HashMap} and contains two groups of keys:<br/>
 * The first group of keys, are all keys provided by Geotools to create a WFS
 * datastore, like: {@link JDBCDataStore#SCHEMA} .<br/>
 * The second group are additional keys defined in the enum
 * {@link DbServerSettings.Key}.<br/>
 * This class can serialize all important parameters needed to define the
 * connection into a {@link String} with {@link #toPropertiesString()} and
 * re-import the String with {@link #parsePropertiesString(String)}.
 */
public class DbServerSettings extends ServerSettings<Object, Object> {

        Logger log = Logger.getLogger(DbServerSettings.class);

        public enum DbType {
                postgis("postgresql");

                private final String protocolString;

                DbType(String protocolString) {
                        this.protocolString = protocolString;
                }

                public String getProtocolString() {
                        return protocolString;
                };
        }

        /**
         * params.put(JDBCDataStoreFactory.DBTYPE.key, "postgis");
         * params.put(JDBCDataStoreFactory.HOST.key, host); // the name or ip
         * params.put(JDBCDataStoreFactory.PORT.key, port); // the port that
         * 
         * params.put(JDBCDataStoreFactory.DATABASE.key, database); // the
         * 
         * // name params.put(JDBCDataStoreFactory.USER.key, username); // the user
         * to params.put(JDBCDataStoreFactory.PASSWD.key, password); // the
         * 
         * params.put(JDBCDataStoreFactory.SCHEMA, schema);
         * 
         * params.put(JDBCDataStoreFactory.EXPOSE_PK.key, true); *
         */

        public enum Key {
        }

        private static Connection dbc;

        /**
         * Opens a GUI that asks the use define a DB connection.
         * 
         * @param dbServer
         *            <code>null</code> to create a new instance, or an instance to
         *            edit.
         * @return <code>null</code> if the user cancelled the creation of a new
         *         {@link DbServerSettings}, otherwise the edited instance.
         */
        public static DbServerSettings createOrEdit(Component owner,
                        DbServerSettings dbServer) {
                boolean newCreated = false;

                if (dbServer == null) {
                        newCreated = true;
                        dbServer = new DbServerSettings(DbType.postgis);
                }

                Combo<DbType> dpTypeInput = new SelectionInputOption.Combo<DbType>(
                                "Database type", true, DbType.values(), ArrayUtils.indexOf(
                                                DbType.values(), dbServer.getDbType()), DbType.values());

                Text hostInput = new ManualInputOption.Text("Hostname", true,
                                dbServer.getHost());

                Integer portInput = new ManualInputOption.Integer("Port", true,
                                dbServer.getPort());

                Text databaseInput = new ManualInputOption.Text("Database", true,
                                dbServer.getDatabase());

                Text schemaInput = new ManualInputOption.Text("Schema", true,
                                dbServer.getSchema());

                Text userInput = new ManualInputOption.Text("Username", true,
                                dbServer.getUsername());

                PasswordViewable passwdInput = new ManualInputOption.PasswordViewable(
                                "Password", true, dbServer.getPassword());

                BooleanInputOption exposePkInput = new BooleanInputOption(
                                "Expose primary keys", dbServer.getExposePrimaryKey());

                Object[] input = MultipleOptionPane.showMultipleInputDialog(owner,
                                "DB Connection paramters", dpTypeInput, hostInput, portInput,
                                databaseInput, schemaInput, userInput, passwdInput,
                                exposePkInput);

                if (input == null) {
                        if (newCreated)
                                return null;
                        else
                                return dbServer;
                } else {
                        dbServer.setDbType((DbType) input[0]);
                        dbServer.setHost((String) input[1]);
                        dbServer.setPort((java.lang.Integer) input[2]);
                        dbServer.setDatabase((String) input[3]);
                        dbServer.setSchema((String) input[4]);
                        dbServer.setUsername((String) input[5]);
                        dbServer.setPassword(String.valueOf((char[]) input[6]));
                        dbServer.setExposePrimaryKey((Boolean) input[7]);
                }

                return dbServer;

        }

        /**
         * @return transforms the settings to a String that can be stored in a
         *         .properties line. @see #parsePropertiesString
         * @throws MalformedURLException
         */
        @Override
        public DbServerSettings parsePropertiesString(String propString)
                        throws MalformedURLException {

                if (propString == null || propString.isEmpty())
                        throw new IllegalArgumentException("parameter to parse was empty");
                try {

                        String[] split = propString.split(Pattern.quote(DELIMITER));

                        int i = 0;
                        DbServerSettings dbServer = new DbServerSettings(
                                        DbType.valueOf(split[i++]));

                        dbServer.setTitle(split[i++]);
                        dbServer.setHost(split[i++]);
                        dbServer.setPort(java.lang.Integer.valueOf(split[i++]));
                        dbServer.setUsername(StringUtils.stripToNull(split[i++]));
                        dbServer.setPassword(split[i++]);
                        dbServer.setDatabase(split[i++]);
                        dbServer.setExposePrimaryKey(Boolean.valueOf(split[i++]));
                        dbServer.setSchema(stringOrNull(split[i++]));

                        return dbServer;
                } catch (Exception e) {
                        Log.warn("couldn't parse " + propString, e);
                        return null;
                }
        }

        private String[] cachedTypeNames = null;
        private String[] cachedGeometryTableNames;

        public DbServerSettings() {
                this(DbType.postgis);
                
        }

        public DbServerSettings(DbType dbType) {
                setDbType(dbType);
                setHost("localhost");
                setSchema("public");
                put(JDBCDataStoreFactory.PK_METADATA_TABLE.key, null);
        }

        public DbServerSettings(String propertiesString) {
                try {
                        parsePropertiesString(propertiesString);
                } catch (MalformedURLException e) {
                        throw new RuntimeException(e);
                }
        }

        public String[] getCachedTypeNames() {
                return cachedTypeNames;
        }

        public String getDatabase() {
                return (String) get(JDBCDataStoreFactory.DATABASE.key);
        }

        public DbType getDbType() {
                String dbt = (String) get(PostgisNGDataStoreFactory.DBTYPE.key);
                if (dbt != null)
                        return DbType.valueOf(dbt);
                return null;
        }

        public Boolean getExposePrimaryKey() {
                Boolean expk = (Boolean) get(JDBCDataStoreFactory.EXPOSE_PK.key);
                if (expk == null)
                        return (Boolean) JDBCDataStoreFactory.EXPOSE_PK.sample;
                return expk;
        }

        public String getHost() {
                return (String) get(JDBCDataStoreFactory.HOST.key);
        }

        public String getPassword() {
                return (String) get(JDBCDataStoreFactory.PASSWD.key);
        }

        public java.lang.Integer getPort() {
                java.lang.Integer port = (java.lang.Integer) get(JDBCDataStoreFactory.PORT.key);
                if (port == null)
                        return (java.lang.Integer) JDBCDataStoreFactory.PORT.sample;
                return port;
        }

        public String getSchema() {
                return (String) get(JDBCDataStoreFactory.SCHEMA.key);
        }

        public String getUsername() {
                return (String) get(JDBCDataStoreFactory.USER.key);
        }

        /**
         * @return <code>true</code>, if all parameters look OK, without actually
         *         opening any connection.
         */
        public boolean isWellDefined() {
                if (getDbType() == null)
                        return false;

                if (getHost() == null)
                        return false;

                if (getUsername() == null)
                        return false;

                if (getPassword() == null)
                        return false;

                if (getPort() == null)
                        return false;

                if (getSchema() == null)
                        return false;

                return true;
        }

        public void setCachedTypeNames(String[] cachedTypeNames) {
                this.cachedTypeNames = cachedTypeNames;
        }

        public void setDatabase(String db) {
                put(JDBCDataStoreFactory.DATABASE.key, db);
        }

        public void setDbType(DbType dbType) {
                put(PostgisNGDataStoreFactory.DBTYPE.key, dbType.toString());

                if (dbType == DbType.postgis) {
                        if (getPort() == null) {
                                // For a PostGIS DBMS automatically set the port to 5432
                                setPort(5432);
                        }
                        if (getUsername() == null) {
                                // For a PostGIS DBMS automatically set the user to postgres
                                setUsername("postgres");
                        }

                }

        }

        public void setExposePrimaryKey(Boolean exportPk) {
                put(JDBCDataStoreFactory.EXPOSE_PK.key, exportPk);
        }

        public void setHost(String host) {
                put(JDBCDataStoreFactory.HOST.key, host);
        }

        public void setPassword(String password) {
                put(JDBCDataStoreFactory.PASSWD.key, password);
        }

        public void setPort(java.lang.Integer port) {
                put(JDBCDataStoreFactory.PORT.key, port);
        }

        public void setSchema(String schema) {
                put(JDBCDataStoreFactory.SCHEMA.key, schema);
        }

        public void setUsername(String username) {
                put(JDBCDataStoreFactory.USER.key, username);
        }

        /**
         * @return transforms the settings to a String that can be stored in a
         *         .properties line. @see #parsePropertiesString
         */
        public String toPropertiesString() {

                StringBuffer serialized = new StringBuffer(100);

                serialized.append(getDbType().toString());
                serialized.append(DELIMITER);

                serialized.append(getTitle());
                serialized.append(DELIMITER);

                serialized.append(getHost());
                serialized.append(DELIMITER);

                serialized.append(getPort().toString());
                serialized.append(DELIMITER);

                serialized.append(getUsername());
                serialized.append(DELIMITER);

                serialized.append(getPassword());
                serialized.append(DELIMITER);

                serialized.append(getDatabase());
                serialized.append(DELIMITER);

                serialized.append(getExposePrimaryKey().toString());
                serialized.append(DELIMITER);

                serialized.append(getSchema().toString());
                // serialized.append(DELIMITER);

                return serialized.toString();
        }

        @Override
        public String toString() {

                StringBuffer s = new StringBuffer();

                if (getDbType() != null) {
                        s.append(getDbType().getProtocolString() + "://");
                }

                s.append(getHost());

                if (getPort() != null && getPort() != 5432) {
                        s.append(":" + getPort());
                }

                s.append("/" + getDatabase());

                return s.toString();
        }

        /**
         * returns a valid Connection to our postgresql Database. Name of database,
         * username and password must be provided.
         * 
         * @param database
         *            name of the database
         * @param username
         *            a valid username
         * @param password
         *            valid password
         * @return database connection
         * @throws SQLException
         * @throws ClassNotFoundException
         */
        public Connection getDatabaseConnection() {

                try {

                        if (dbc == null || dbc.isClosed()) {
                                dbc = createNewDatabaseConnection();
                        }
                        return dbc;
                } catch (Exception e) {
                        return null;
                }
        }

        private Connection createNewDatabaseConnection() throws SQLException {
                try {
                        Class.forName("org.postgresql.Driver");
                } catch (ClassNotFoundException e) {
                        throw new RuntimeException(e);
                }
                String url = "jdbc:postgresql://" + getHost()
                // + (":" + PropertyUtils.getDbPort())
                                + ("/" + getDatabase());

                String password = getPassword();
                String username = getUsername();

                // log.debug("DB URL: " + url + " u=" + username + " p="
                // + password);

                return DriverManager.getConnection(url, username, password);
        }

        public String[] getDescribedTablesWithGeometry() {

                if (cachedGeometryTableNames == null) {

                        Connection dc;
                        try {
                                dc = createNewDatabaseConnection();
                                try {

                                        cachedGeometryTableNames = PGUtil
                                                        .getColumnsDescribedInGeometryColumnsTable(dc
                                                                        .createStatement());

                                } catch (SQLException e) {
                                        log.error(e, e);
                                } finally {
                                        dc.close();
                                }
                        } catch (SQLException e1) {
                                log.error(e1, e1);
                                return new String[0];
                        }
                }
                return cachedGeometryTableNames;
        }

        @Override
        protected void finalize() throws Throwable {
                super.finalize();
                dispose();
        }

        public void dispose() {
                try {
                        if (dbc != null && !dbc.isClosed()) {
                                dbc.close();
                                dbc = null;
                        }
                } catch (SQLException e) {
                        log.error("Error while disposing the database connection to "
                                        + toString(), e);
                }
        }
}
1	alfonx	1161	package skrueger.geotools.io;
2
3			import java.awt.Component;
4			import java.net.MalformedURLException;
5	alfonx	1195	import java.sql.Connection;
6			import java.sql.DriverManager;
7			import java.sql.SQLException;
8	alfonx	1161	import java.util.HashMap;
9			import java.util.regex.Pattern;
10
11	alfonx	1291	import javax.management.RuntimeErrorException;
12
13	alfonx	1161	import org.apache.commons.lang.ArrayUtils;
14	alfonx	1163	import org.apache.commons.lang.StringUtils;
15	alfonx	1195	import org.apache.log4j.Logger;
16	alfonx	1161	import org.geotools.data.postgis.PostgisNGDataStoreFactory;
17			import org.geotools.jdbc.JDBCDataStore;
18			import org.geotools.jdbc.JDBCDataStoreFactory;
19	alfonx	1163	import org.jfree.util.Log;
20	alfonx	1161
21			import schmitzm.swing.BooleanInputOption;
22			import schmitzm.swing.ManualInputOption;
23			import schmitzm.swing.ManualInputOption.Integer;
24			import schmitzm.swing.ManualInputOption.PasswordViewable;
25			import schmitzm.swing.ManualInputOption.Text;
26			import schmitzm.swing.MultipleOptionPane;
27			import schmitzm.swing.SelectionInputOption;
28			import schmitzm.swing.SelectionInputOption.Combo;
29	alfonx	1195	import skrueger.db.PGUtil;
30	alfonx	1161
31			/**
32			* This class describes all settings needed to connect to a WFS server. This
33			* class extends a {@link HashMap} and contains two groups of keys:<br/>
34			* The first group of keys, are all keys provided by Geotools to create a WFS
35			* datastore, like: {@link JDBCDataStore#SCHEMA} .<br/>
36			* The second group are additional keys defined in the enum
37			* {@link DbServerSettings.Key}.<br/>
38			* This class can serialize all important parameters needed to define the
39			* connection into a {@link String} with {@link #toPropertiesString()} and
40			* re-import the String with {@link #parsePropertiesString(String)}.
41			*/
42	alfonx	1164	public class DbServerSettings extends ServerSettings<Object, Object> {
43	alfonx	1161
44	alfonx	1195	Logger log = Logger.getLogger(DbServerSettings.class);
45
46	alfonx	1164	public enum DbType {
47			postgis("postgresql");
48
49			private final String protocolString;
50
51			DbType(String protocolString) {
52			this.protocolString = protocolString;
53			}
54
55			public String getProtocolString() {
56			return protocolString;
57			};
58			}
59
60	alfonx	1161	/**
61			* params.put(JDBCDataStoreFactory.DBTYPE.key, "postgis");
62			* params.put(JDBCDataStoreFactory.HOST.key, host); // the name or ip
63			* params.put(JDBCDataStoreFactory.PORT.key, port); // the port that
64			*
65			* params.put(JDBCDataStoreFactory.DATABASE.key, database); // the
66			*
67			* // name params.put(JDBCDataStoreFactory.USER.key, username); // the user
68			* to params.put(JDBCDataStoreFactory.PASSWD.key, password); // the
69			*
70			* params.put(JDBCDataStoreFactory.SCHEMA, schema);
71			*
72			* params.put(JDBCDataStoreFactory.EXPOSE_PK.key, true); *
73			*/
74
75			public enum Key {
76			}
77
78	alfonx	1195	private static Connection dbc;
79
80	alfonx	1164	/**
81			* Opens a GUI that asks the use define a DB connection.
82			*
83			* @param dbServer
84			* <code>null</code> to create a new instance, or an instance to
85			* edit.
86			* @return <code>null</code> if the user cancelled the creation of a new
87			* {@link DbServerSettings}, otherwise the edited instance.
88			*/
89			public static DbServerSettings createOrEdit(Component owner,
90			DbServerSettings dbServer) {
91			boolean newCreated = false;
92	alfonx	1161
93	alfonx	1164	if (dbServer == null) {
94			newCreated = true;
95			dbServer = new DbServerSettings(DbType.postgis);
96			}
97	alfonx	1161
98	alfonx	1164	Combo<DbType> dpTypeInput = new SelectionInputOption.Combo<DbType>(
99			"Database type", true, DbType.values(), ArrayUtils.indexOf(
100			DbType.values(), dbServer.getDbType()), DbType.values());
101
102			Text hostInput = new ManualInputOption.Text("Hostname", true,
103			dbServer.getHost());
104
105			Integer portInput = new ManualInputOption.Integer("Port", true,
106			dbServer.getPort());
107
108			Text databaseInput = new ManualInputOption.Text("Database", true,
109			dbServer.getDatabase());
110
111			Text schemaInput = new ManualInputOption.Text("Schema", true,
112			dbServer.getSchema());
113
114			Text userInput = new ManualInputOption.Text("Username", true,
115			dbServer.getUsername());
116
117			PasswordViewable passwdInput = new ManualInputOption.PasswordViewable(
118			"Password", true, dbServer.getPassword());
119
120			BooleanInputOption exposePkInput = new BooleanInputOption(
121			"Expose primary keys", dbServer.getExposePrimaryKey());
122
123			Object[] input = MultipleOptionPane.showMultipleInputDialog(owner,
124			"DB Connection paramters", dpTypeInput, hostInput, portInput,
125			databaseInput, schemaInput, userInput, passwdInput,
126			exposePkInput);
127
128			if (input == null) {
129			if (newCreated)
130			return null;
131			else
132			return dbServer;
133			} else {
134			dbServer.setDbType((DbType) input[0]);
135			dbServer.setHost((String) input[1]);
136			dbServer.setPort((java.lang.Integer) input[2]);
137			dbServer.setDatabase((String) input[3]);
138			dbServer.setSchema((String) input[4]);
139			dbServer.setUsername((String) input[5]);
140			dbServer.setPassword(String.valueOf((char[]) input[6]));
141			dbServer.setExposePrimaryKey((Boolean) input[7]);
142	alfonx	1161	}
143
144	alfonx	1164	return dbServer;
145
146	alfonx	1161	}
147
148	alfonx	1164	/**
149			* @return transforms the settings to a String that can be stored in a
150			* .properties line. @see #parsePropertiesString
151			* @throws MalformedURLException
152			*/
153	alfonx	1291	@Override
154			public DbServerSettings parsePropertiesString(String propString)
155	alfonx	1164	throws MalformedURLException {
156
157			if (propString == null \|\| propString.isEmpty())
158			throw new IllegalArgumentException("parameter to parse was empty");
159			try {
160
161			String[] split = propString.split(Pattern.quote(DELIMITER));
162
163			int i = 0;
164			DbServerSettings dbServer = new DbServerSettings(
165			DbType.valueOf(split[i++]));
166
167			dbServer.setTitle(split[i++]);
168			dbServer.setHost(split[i++]);
169			dbServer.setPort(java.lang.Integer.valueOf(split[i++]));
170			dbServer.setUsername(StringUtils.stripToNull(split[i++]));
171			dbServer.setPassword(split[i++]);
172			dbServer.setDatabase(split[i++]);
173			dbServer.setExposePrimaryKey(Boolean.valueOf(split[i++]));
174			dbServer.setSchema(stringOrNull(split[i++]));
175
176			return dbServer;
177			} catch (Exception e) {
178			Log.warn("couldn't parse " + propString, e);
179			return null;
180			}
181	alfonx	1161	}
182
183	alfonx	1164	private String[] cachedTypeNames = null;
184	alfonx	1195	private String[] cachedGeometryTableNames;
185	alfonx	1164
186			public DbServerSettings() {
187	alfonx	1165	this(DbType.postgis);
188	alfonx	1291
189	alfonx	1161	}
190
191	alfonx	1164	public DbServerSettings(DbType dbType) {
192			setDbType(dbType);
193			setHost("localhost");
194			setSchema("public");
195	alfonx	1165	put(JDBCDataStoreFactory.PK_METADATA_TABLE.key, null);
196	alfonx	1161	}
197
198	alfonx	1291	public DbServerSettings(String propertiesString) {
199			try {
200			parsePropertiesString(propertiesString);
201			} catch (MalformedURLException e) {
202			throw new RuntimeException(e);
203			}
204			}
205
206	alfonx	1164	public String[] getCachedTypeNames() {
207			return cachedTypeNames;
208	alfonx	1161	}
209
210	alfonx	1164	public String getDatabase() {
211			return (String) get(JDBCDataStoreFactory.DATABASE.key);
212	alfonx	1161	}
213
214	alfonx	1164	public DbType getDbType() {
215			String dbt = (String) get(PostgisNGDataStoreFactory.DBTYPE.key);
216			if (dbt != null)
217			return DbType.valueOf(dbt);
218			return null;
219			}
220
221	alfonx	1161	public Boolean getExposePrimaryKey() {
222			Boolean expk = (Boolean) get(JDBCDataStoreFactory.EXPOSE_PK.key);
223			if (expk == null)
224			return (Boolean) JDBCDataStoreFactory.EXPOSE_PK.sample;
225			return expk;
226			}
227
228			public String getHost() {
229			return (String) get(JDBCDataStoreFactory.HOST.key);
230			}
231
232			public String getPassword() {
233			return (String) get(JDBCDataStoreFactory.PASSWD.key);
234			}
235
236	alfonx	1164	public java.lang.Integer getPort() {
237			java.lang.Integer port = (java.lang.Integer) get(JDBCDataStoreFactory.PORT.key);
238			if (port == null)
239			return (java.lang.Integer) JDBCDataStoreFactory.PORT.sample;
240			return port;
241	alfonx	1161	}
242
243	alfonx	1164	public String getSchema() {
244			return (String) get(JDBCDataStoreFactory.SCHEMA.key);
245			}
246
247	alfonx	1161	public String getUsername() {
248			return (String) get(JDBCDataStoreFactory.USER.key);
249			}
250
251	alfonx	1164	/**
252			* @return <code>true</code>, if all parameters look OK, without actually
253			* opening any connection.
254			*/
255			public boolean isWellDefined() {
256			if (getDbType() == null)
257			return false;
258
259			if (getHost() == null)
260			return false;
261
262			if (getUsername() == null)
263			return false;
264
265			if (getPassword() == null)
266			return false;
267
268			if (getPort() == null)
269			return false;
270
271			if (getSchema() == null)
272			return false;
273
274			return true;
275	alfonx	1161	}
276
277	alfonx	1164	public void setCachedTypeNames(String[] cachedTypeNames) {
278			this.cachedTypeNames = cachedTypeNames;
279	alfonx	1161	}
280
281	alfonx	1164	public void setDatabase(String db) {
282			put(JDBCDataStoreFactory.DATABASE.key, db);
283	alfonx	1161	}
284
285			public void setDbType(DbType dbType) {
286			put(PostgisNGDataStoreFactory.DBTYPE.key, dbType.toString());
287
288			if (dbType == DbType.postgis) {
289			if (getPort() == null) {
290			// For a PostGIS DBMS automatically set the port to 5432
291			setPort(5432);
292			}
293			if (getUsername() == null) {
294			// For a PostGIS DBMS automatically set the user to postgres
295			setUsername("postgres");
296			}
297
298			}
299
300			}
301
302	alfonx	1164	public void setExposePrimaryKey(Boolean exportPk) {
303			put(JDBCDataStoreFactory.EXPOSE_PK.key, exportPk);
304	alfonx	1161	}
305
306	alfonx	1164	public void setHost(String host) {
307			put(JDBCDataStoreFactory.HOST.key, host);
308	alfonx	1161	}
309
310	alfonx	1164	public void setPassword(String password) {
311			put(JDBCDataStoreFactory.PASSWD.key, password);
312			}
313	alfonx	1161
314	alfonx	1164	public void setPort(java.lang.Integer port) {
315			put(JDBCDataStoreFactory.PORT.key, port);
316			}
317	alfonx	1161
318	alfonx	1164	public void setSchema(String schema) {
319			put(JDBCDataStoreFactory.SCHEMA.key, schema);
320			}
321	alfonx	1161
322	alfonx	1164	public void setUsername(String username) {
323			put(JDBCDataStoreFactory.USER.key, username);
324	alfonx	1161	}
325
326			/**
327			* @return transforms the settings to a String that can be stored in a
328			* .properties line. @see #parsePropertiesString
329			*/
330			public String toPropertiesString() {
331
332			StringBuffer serialized = new StringBuffer(100);
333
334			serialized.append(getDbType().toString());
335			serialized.append(DELIMITER);
336
337	alfonx	1164	serialized.append(getTitle());
338			serialized.append(DELIMITER);
339	alfonx	1165
340	alfonx	1162	serialized.append(getHost());
341	alfonx	1161	serialized.append(DELIMITER);
342
343			serialized.append(getPort().toString());
344			serialized.append(DELIMITER);
345
346	alfonx	1162	serialized.append(getUsername());
347	alfonx	1161	serialized.append(DELIMITER);
348
349	alfonx	1162	serialized.append(getPassword());
350	alfonx	1161	serialized.append(DELIMITER);
351
352	alfonx	1162	serialized.append(getDatabase());
353	alfonx	1161	serialized.append(DELIMITER);
354
355			serialized.append(getExposePrimaryKey().toString());
356			serialized.append(DELIMITER);
357
358			serialized.append(getSchema().toString());
359	alfonx	1164	// serialized.append(DELIMITER);
360	alfonx	1161
361			return serialized.toString();
362			}
363
364			@Override
365			public String toString() {
366
367			StringBuffer s = new StringBuffer();
368
369			if (getDbType() != null) {
370			s.append(getDbType().getProtocolString() + "://");
371			}
372
373			s.append(getHost());
374
375	alfonx	1163	if (getPort() != null && getPort() != 5432) {
376	alfonx	1161	s.append(":" + getPort());
377			}
378
379			s.append("/" + getDatabase());
380
381			return s.toString();
382			}
383	alfonx	1195
384			/**
385			* returns a valid Connection to our postgresql Database. Name of database,
386			* username and password must be provided.
387			*
388			* @param database
389			* name of the database
390			* @param username
391			* a valid username
392			* @param password
393			* valid password
394			* @return database connection
395			* @throws SQLException
396			* @throws ClassNotFoundException
397			*/
398			public Connection getDatabaseConnection() {
399
400			try {
401
402			if (dbc == null \|\| dbc.isClosed()) {
403			dbc = createNewDatabaseConnection();
404			}
405			return dbc;
406			} catch (Exception e) {
407			return null;
408			}
409			}
410
411			private Connection createNewDatabaseConnection() throws SQLException {
412			try {
413			Class.forName("org.postgresql.Driver");
414			} catch (ClassNotFoundException e) {
415			throw new RuntimeException(e);
416			}
417			String url = "jdbc:postgresql://" + getHost()
418			// + (":" + PropertyUtils.getDbPort())
419			+ ("/" + getDatabase());
420
421			String password = getPassword();
422			String username = getUsername();
423
424			// log.debug("DB URL: " + url + " u=" + username + " p="
425			// + password);
426
427			return DriverManager.getConnection(url, username, password);
428			}
429
430			public String[] getDescribedTablesWithGeometry() {
431
432			if (cachedGeometryTableNames == null) {
433
434			Connection dc;
435			try {
436			dc = createNewDatabaseConnection();
437			try {
438
439			cachedGeometryTableNames = PGUtil
440			.getColumnsDescribedInGeometryColumnsTable(dc
441			.createStatement());
442
443			} catch (SQLException e) {
444			log.error(e, e);
445			} finally {
446			dc.close();
447			}
448			} catch (SQLException e1) {
449			log.error(e1, e1);
450			return new String[0];
451			}
452			}
453			return cachedGeometryTableNames;
454			}
455
456			@Override
457			protected void finalize() throws Throwable {
458			super.finalize();
459			dispose();
460			}
461
462			public void dispose() {
463			try {
464			if (dbc != null && !dbc.isClosed()) {
465			dbc.close();
466			dbc = null;
467			}
468			} catch (SQLException e) {
469			log.error("Error while disposing the database connection to "
470			+ toString(), e);
471			}
472			}
473			}
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