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 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 GtDbServerSettings.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 GtDbServerSettings extends AbstractGTServerSettings<Object, Object> {

        Logger log = Logger.getLogger(GtDbServerSettings.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 GtDbServerSettings}, otherwise the edited instance.
         */
        public static GtDbServerSettings createOrEdit(Component owner,
                        GtDbServerSettings dbServer) {
                boolean newCreated = false;

                if (dbServer == null) {
                        newCreated = true;
                        dbServer = new GtDbServerSettings(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 boolean parsePropertiesString(String propString) {

                if (propString == null || propString.isEmpty())
                        return false;
                try {

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

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

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

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

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

        public GtDbServerSettings() {
                this(DbType.postgis);

        }

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

        public GtDbServerSettings(String propertiesString) {
                parsePropertiesString(propertiesString);
        }

        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			import org.apache.commons.lang.ArrayUtils;
12	alfonx	1163	import org.apache.commons.lang.StringUtils;
13	alfonx	1195	import org.apache.log4j.Logger;
14	alfonx	1161	import org.geotools.data.postgis.PostgisNGDataStoreFactory;
15			import org.geotools.jdbc.JDBCDataStore;
16			import org.geotools.jdbc.JDBCDataStoreFactory;
17	alfonx	1163	import org.jfree.util.Log;
18	alfonx	1161
19			import schmitzm.swing.BooleanInputOption;
20			import schmitzm.swing.ManualInputOption;
21			import schmitzm.swing.ManualInputOption.Integer;
22			import schmitzm.swing.ManualInputOption.PasswordViewable;
23			import schmitzm.swing.ManualInputOption.Text;
24			import schmitzm.swing.MultipleOptionPane;
25			import schmitzm.swing.SelectionInputOption;
26			import schmitzm.swing.SelectionInputOption.Combo;
27	alfonx	1195	import skrueger.db.PGUtil;
28	alfonx	1161
29			/**
30			* This class describes all settings needed to connect to a WFS server. This
31			* class extends a {@link HashMap} and contains two groups of keys:<br/>
32			* The first group of keys, are all keys provided by Geotools to create a WFS
33			* datastore, like: {@link JDBCDataStore#SCHEMA} .<br/>
34			* The second group are additional keys defined in the enum
35	alfonx	1295	* {@link GtDbServerSettings.Key}.<br/>
36	alfonx	1161	* This class can serialize all important parameters needed to define the
37			* connection into a {@link String} with {@link #toPropertiesString()} and
38			* re-import the String with {@link #parsePropertiesString(String)}.
39			*/
40	alfonx	1295	public class GtDbServerSettings extends AbstractGTServerSettings<Object, Object> {
41	alfonx	1161
42	alfonx	1295	Logger log = Logger.getLogger(GtDbServerSettings.class);
43	alfonx	1195
44	alfonx	1164	public enum DbType {
45			postgis("postgresql");
46
47			private final String protocolString;
48
49			DbType(String protocolString) {
50			this.protocolString = protocolString;
51			}
52
53			public String getProtocolString() {
54			return protocolString;
55			};
56			}
57
58	alfonx	1161	/**
59			* params.put(JDBCDataStoreFactory.DBTYPE.key, "postgis");
60			* params.put(JDBCDataStoreFactory.HOST.key, host); // the name or ip
61			* params.put(JDBCDataStoreFactory.PORT.key, port); // the port that
62			*
63			* params.put(JDBCDataStoreFactory.DATABASE.key, database); // the
64			*
65			* // name params.put(JDBCDataStoreFactory.USER.key, username); // the user
66			* to params.put(JDBCDataStoreFactory.PASSWD.key, password); // the
67			*
68			* params.put(JDBCDataStoreFactory.SCHEMA, schema);
69			*
70			* params.put(JDBCDataStoreFactory.EXPOSE_PK.key, true); *
71			*/
72
73			public enum Key {
74			}
75
76	alfonx	1195	private static Connection dbc;
77
78	alfonx	1164	/**
79			* Opens a GUI that asks the use define a DB connection.
80			*
81			* @param dbServer
82			* <code>null</code> to create a new instance, or an instance to
83			* edit.
84			* @return <code>null</code> if the user cancelled the creation of a new
85	alfonx	1295	* {@link GtDbServerSettings}, otherwise the edited instance.
86	alfonx	1164	*/
87	alfonx	1295	public static GtDbServerSettings createOrEdit(Component owner,
88			GtDbServerSettings dbServer) {
89	alfonx	1164	boolean newCreated = false;
90	alfonx	1161
91	alfonx	1164	if (dbServer == null) {
92			newCreated = true;
93	alfonx	1295	dbServer = new GtDbServerSettings(DbType.postgis);
94	alfonx	1164	}
95	alfonx	1161
96	alfonx	1164	Combo<DbType> dpTypeInput = new SelectionInputOption.Combo<DbType>(
97			"Database type", true, DbType.values(), ArrayUtils.indexOf(
98			DbType.values(), dbServer.getDbType()), DbType.values());
99
100			Text hostInput = new ManualInputOption.Text("Hostname", true,
101			dbServer.getHost());
102
103			Integer portInput = new ManualInputOption.Integer("Port", true,
104			dbServer.getPort());
105
106			Text databaseInput = new ManualInputOption.Text("Database", true,
107			dbServer.getDatabase());
108
109			Text schemaInput = new ManualInputOption.Text("Schema", true,
110			dbServer.getSchema());
111
112			Text userInput = new ManualInputOption.Text("Username", true,
113			dbServer.getUsername());
114
115			PasswordViewable passwdInput = new ManualInputOption.PasswordViewable(
116			"Password", true, dbServer.getPassword());
117
118			BooleanInputOption exposePkInput = new BooleanInputOption(
119			"Expose primary keys", dbServer.getExposePrimaryKey());
120
121			Object[] input = MultipleOptionPane.showMultipleInputDialog(owner,
122			"DB Connection paramters", dpTypeInput, hostInput, portInput,
123			databaseInput, schemaInput, userInput, passwdInput,
124			exposePkInput);
125
126			if (input == null) {
127			if (newCreated)
128			return null;
129			else
130			return dbServer;
131			} else {
132			dbServer.setDbType((DbType) input[0]);
133			dbServer.setHost((String) input[1]);
134			dbServer.setPort((java.lang.Integer) input[2]);
135			dbServer.setDatabase((String) input[3]);
136			dbServer.setSchema((String) input[4]);
137			dbServer.setUsername((String) input[5]);
138			dbServer.setPassword(String.valueOf((char[]) input[6]));
139			dbServer.setExposePrimaryKey((Boolean) input[7]);
140	alfonx	1161	}
141
142	alfonx	1164	return dbServer;
143
144	alfonx	1161	}
145
146	alfonx	1164	/**
147			* @return transforms the settings to a String that can be stored in a
148			* .properties line. @see #parsePropertiesString
149			* @throws MalformedURLException
150			*/
151	alfonx	1291	@Override
152	alfonx	1295	public boolean parsePropertiesString(String propString) {
153	alfonx	1164
154			if (propString == null \|\| propString.isEmpty())
155	alfonx	1295	return false;
156	alfonx	1164	try {
157
158			String[] split = propString.split(Pattern.quote(DELIMITER));
159
160			int i = 0;
161	alfonx	1295	setDbType(DbType.valueOf(split[i++]));
162			// DbServerSettings dbServer = new DbServerSettings(
163			// DbType.valueOf(split[i++])
164			// );
165	alfonx	1164
166	alfonx	1292	setTitle(split[i++]);
167			setHost(split[i++]);
168			setPort(java.lang.Integer.valueOf(split[i++]));
169			setUsername(StringUtils.stripToNull(split[i++]));
170			setPassword(split[i++]);
171			setDatabase(split[i++]);
172			setExposePrimaryKey(Boolean.valueOf(split[i++]));
173			setSchema(stringOrNull(split[i++]));
174	alfonx	1164
175	alfonx	1292	return true;
176	alfonx	1164	} catch (Exception e) {
177			Log.warn("couldn't parse " + propString, e);
178	alfonx	1292	return false;
179	alfonx	1164	}
180	alfonx	1161	}
181
182	alfonx	1164	private String[] cachedTypeNames = null;
183	alfonx	1195	private String[] cachedGeometryTableNames;
184	alfonx	1164
185	alfonx	1295	public GtDbServerSettings() {
186	alfonx	1165	this(DbType.postgis);
187	alfonx	1295
188	alfonx	1161	}
189
190	alfonx	1295	public GtDbServerSettings(DbType dbType) {
191	alfonx	1164	setDbType(dbType);
192			setHost("localhost");
193			setSchema("public");
194	alfonx	1165	put(JDBCDataStoreFactory.PK_METADATA_TABLE.key, null);
195	alfonx	1161	}
196
197	alfonx	1295	public GtDbServerSettings(String propertiesString) {
198			parsePropertiesString(propertiesString);
199	alfonx	1291	}
200
201	alfonx	1164	public String[] getCachedTypeNames() {
202			return cachedTypeNames;
203	alfonx	1161	}
204
205	alfonx	1164	public String getDatabase() {
206			return (String) get(JDBCDataStoreFactory.DATABASE.key);
207	alfonx	1161	}
208
209	alfonx	1164	public DbType getDbType() {
210			String dbt = (String) get(PostgisNGDataStoreFactory.DBTYPE.key);
211			if (dbt != null)
212			return DbType.valueOf(dbt);
213			return null;
214			}
215
216	alfonx	1161	public Boolean getExposePrimaryKey() {
217			Boolean expk = (Boolean) get(JDBCDataStoreFactory.EXPOSE_PK.key);
218			if (expk == null)
219			return (Boolean) JDBCDataStoreFactory.EXPOSE_PK.sample;
220			return expk;
221			}
222
223			public String getHost() {
224			return (String) get(JDBCDataStoreFactory.HOST.key);
225			}
226
227			public String getPassword() {
228			return (String) get(JDBCDataStoreFactory.PASSWD.key);
229			}
230
231	alfonx	1164	public java.lang.Integer getPort() {
232			java.lang.Integer port = (java.lang.Integer) get(JDBCDataStoreFactory.PORT.key);
233			if (port == null)
234			return (java.lang.Integer) JDBCDataStoreFactory.PORT.sample;
235			return port;
236	alfonx	1161	}
237
238	alfonx	1164	public String getSchema() {
239			return (String) get(JDBCDataStoreFactory.SCHEMA.key);
240			}
241
242	alfonx	1161	public String getUsername() {
243			return (String) get(JDBCDataStoreFactory.USER.key);
244			}
245
246	alfonx	1164	/**
247			* @return <code>true</code>, if all parameters look OK, without actually
248			* opening any connection.
249			*/
250			public boolean isWellDefined() {
251			if (getDbType() == null)
252			return false;
253
254			if (getHost() == null)
255			return false;
256
257			if (getUsername() == null)
258			return false;
259
260			if (getPassword() == null)
261			return false;
262
263			if (getPort() == null)
264			return false;
265
266			if (getSchema() == null)
267			return false;
268
269			return true;
270	alfonx	1161	}
271
272	alfonx	1164	public void setCachedTypeNames(String[] cachedTypeNames) {
273			this.cachedTypeNames = cachedTypeNames;
274	alfonx	1161	}
275
276	alfonx	1164	public void setDatabase(String db) {
277			put(JDBCDataStoreFactory.DATABASE.key, db);
278	alfonx	1161	}
279
280			public void setDbType(DbType dbType) {
281			put(PostgisNGDataStoreFactory.DBTYPE.key, dbType.toString());
282
283			if (dbType == DbType.postgis) {
284			if (getPort() == null) {
285			// For a PostGIS DBMS automatically set the port to 5432
286			setPort(5432);
287			}
288			if (getUsername() == null) {
289			// For a PostGIS DBMS automatically set the user to postgres
290			setUsername("postgres");
291			}
292
293			}
294
295			}
296
297	alfonx	1164	public void setExposePrimaryKey(Boolean exportPk) {
298			put(JDBCDataStoreFactory.EXPOSE_PK.key, exportPk);
299	alfonx	1161	}
300
301	alfonx	1164	public void setHost(String host) {
302			put(JDBCDataStoreFactory.HOST.key, host);
303	alfonx	1161	}
304
305	alfonx	1164	public void setPassword(String password) {
306			put(JDBCDataStoreFactory.PASSWD.key, password);
307			}
308	alfonx	1161
309	alfonx	1164	public void setPort(java.lang.Integer port) {
310			put(JDBCDataStoreFactory.PORT.key, port);
311			}
312	alfonx	1161
313	alfonx	1164	public void setSchema(String schema) {
314			put(JDBCDataStoreFactory.SCHEMA.key, schema);
315			}
316	alfonx	1161
317	alfonx	1164	public void setUsername(String username) {
318			put(JDBCDataStoreFactory.USER.key, username);
319	alfonx	1161	}
320
321			/**
322			* @return transforms the settings to a String that can be stored in a
323			* .properties line. @see #parsePropertiesString
324			*/
325			public String toPropertiesString() {
326
327			StringBuffer serialized = new StringBuffer(100);
328
329			serialized.append(getDbType().toString());
330			serialized.append(DELIMITER);
331
332	alfonx	1164	serialized.append(getTitle());
333			serialized.append(DELIMITER);
334	alfonx	1165
335	alfonx	1162	serialized.append(getHost());
336	alfonx	1161	serialized.append(DELIMITER);
337
338			serialized.append(getPort().toString());
339			serialized.append(DELIMITER);
340
341	alfonx	1162	serialized.append(getUsername());
342	alfonx	1161	serialized.append(DELIMITER);
343
344	alfonx	1162	serialized.append(getPassword());
345	alfonx	1161	serialized.append(DELIMITER);
346
347	alfonx	1162	serialized.append(getDatabase());
348	alfonx	1161	serialized.append(DELIMITER);
349
350			serialized.append(getExposePrimaryKey().toString());
351			serialized.append(DELIMITER);
352
353			serialized.append(getSchema().toString());
354	alfonx	1164	// serialized.append(DELIMITER);
355	alfonx	1161
356			return serialized.toString();
357			}
358
359			@Override
360			public String toString() {
361
362			StringBuffer s = new StringBuffer();
363
364			if (getDbType() != null) {
365			s.append(getDbType().getProtocolString() + "://");
366			}
367
368			s.append(getHost());
369
370	alfonx	1163	if (getPort() != null && getPort() != 5432) {
371	alfonx	1161	s.append(":" + getPort());
372			}
373
374			s.append("/" + getDatabase());
375
376			return s.toString();
377			}
378	alfonx	1195
379			/**
380			* returns a valid Connection to our postgresql Database. Name of database,
381			* username and password must be provided.
382			*
383			* @param database
384			* name of the database
385			* @param username
386			* a valid username
387			* @param password
388			* valid password
389			* @return database connection
390			* @throws SQLException
391			* @throws ClassNotFoundException
392			*/
393			public Connection getDatabaseConnection() {
394
395			try {
396
397			if (dbc == null \|\| dbc.isClosed()) {
398			dbc = createNewDatabaseConnection();
399			}
400			return dbc;
401			} catch (Exception e) {
402			return null;
403			}
404			}
405
406			private Connection createNewDatabaseConnection() throws SQLException {
407			try {
408			Class.forName("org.postgresql.Driver");
409			} catch (ClassNotFoundException e) {
410			throw new RuntimeException(e);
411			}
412			String url = "jdbc:postgresql://" + getHost()
413			// + (":" + PropertyUtils.getDbPort())
414			+ ("/" + getDatabase());
415
416			String password = getPassword();
417			String username = getUsername();
418
419			// log.debug("DB URL: " + url + " u=" + username + " p="
420			// + password);
421
422			return DriverManager.getConnection(url, username, password);
423			}
424
425			public String[] getDescribedTablesWithGeometry() {
426
427			if (cachedGeometryTableNames == null) {
428
429			Connection dc;
430			try {
431			dc = createNewDatabaseConnection();
432			try {
433
434			cachedGeometryTableNames = PGUtil
435			.getColumnsDescribedInGeometryColumnsTable(dc
436			.createStatement());
437
438			} catch (SQLException e) {
439			log.error(e, e);
440			} finally {
441			dc.close();
442			}
443			} catch (SQLException e1) {
444			log.error(e1, e1);
445			return new String[0];
446			}
447			}
448			return cachedGeometryTableNames;
449			}
450
451			@Override
452			protected void finalize() throws Throwable {
453			super.finalize();
454			dispose();
455			}
456
457			public void dispose() {
458			try {
459			if (dbc != null && !dbc.isClosed()) {
460			dbc.close();
461			dbc = null;
462			}
463			} catch (SQLException e) {
464			log.error("Error while disposing the database connection to "
465			+ toString(), e);
466			}
467			}
468			}
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