private static void initTable(
final Connection connection, final DatabaseTable table, final DBConfiguration dbConfiguration)
throws DatabaseException {
try {
checkIfTableExists(connection, table);
LOGGER.trace("table " + table + " appears to exist");
} catch (SQLException e) { // assume error was due to table missing;
{
final StringBuilder sqlString = new StringBuilder();
sqlString.append("CREATE table ").append(table.toString()).append(" (").append("\n");
sqlString
.append(" " + KEY_COLUMN + " ")
.append(dbConfiguration.getColumnTypeKey())
.append("(")
.append(KEY_COLUMN_LENGTH)
.append(") NOT NULL PRIMARY KEY,")
.append("\n");
sqlString
.append(" " + VALUE_COLUMN + " ")
.append(dbConfiguration.getColumnTypeValue())
.append(" ");
sqlString.append("\n");
sqlString.append(")").append("\n");
LOGGER.trace(
"attempting to execute the following sql statement:\n " + sqlString.toString());
Statement statement = null;
try {
statement = connection.createStatement();
statement.execute(sqlString.toString());
LOGGER.debug("created table " + table.toString());
} catch (SQLException ex) {
LOGGER.error("error creating new table " + table.toString() + ": " + ex.getMessage());
} finally {
close(statement);
}
}
{
final String indexName = table.toString() + "_IDX";
final StringBuilder sqlString = new StringBuilder();
sqlString.append("CREATE index ").append(indexName);
sqlString.append(" ON ").append(table.toString());
sqlString.append(" (").append(KEY_COLUMN).append(")");
Statement statement = null;
LOGGER.trace(
"attempting to execute the following sql statement:\n " + sqlString.toString());
try {
statement = connection.createStatement();
statement.execute(sqlString.toString());
LOGGER.debug("created index " + indexName);
} catch (SQLException ex) {
LOGGER.error("error creating new index " + indexName + ": " + ex.getMessage());
} finally {
close(statement);
}
}
}
}
private Connection openDB(final DBConfiguration dbConfiguration) throws DatabaseException {
final String connectionURL = dbConfiguration.getConnectionString();
final String jdbcClassName = dbConfiguration.getDriverClassname();
try {
final byte[] jdbcDriverBytes = dbConfiguration.getJdbcDriver();
if (jdbcDriverBytes != null) {
LOGGER.debug("loading JDBC database driver stored in configuration");
final JarClassLoader jarClassLoader = new JarClassLoader();
jarClassLoader.add(new ByteArrayInputStream(jdbcDriverBytes));
final JclObjectFactory jclObjectFactory = JclObjectFactory.getInstance();
// Create object of loaded class
driver = (Driver) jclObjectFactory.create(jarClassLoader, jdbcClassName);
LOGGER.debug(
"successfully loaded JDBC database driver '"
+ jdbcClassName
+ "' from application configuration");
}
} catch (Throwable e) {
final String errorMsg =
"error registering JDBC database driver stored in configuration: " + e.getMessage();
final ErrorInformation errorInformation =
new ErrorInformation(PwmError.ERROR_DB_UNAVAILABLE, errorMsg);
LOGGER.error(errorMsg, e);
throw new DatabaseException(errorInformation);
}
if (driver == null) {
try {
LOGGER.debug("loading JDBC database driver from classpath: " + jdbcClassName);
driver = (Driver) Class.forName(jdbcClassName).newInstance();
LOGGER.debug("successfully loaded JDBC database driver from classpath: " + jdbcClassName);
} catch (Throwable e) {
final String errorMsg =
e.getClass().getName()
+ " error loading JDBC database driver from classpath: "
+ e.getMessage();
final ErrorInformation errorInformation =
new ErrorInformation(PwmError.ERROR_DB_UNAVAILABLE, errorMsg);
throw new DatabaseException(errorInformation);
}
}
try {
LOGGER.debug("opening connection to database " + connectionURL);
final Properties connectionProperties = new Properties();
if (dbConfiguration.getUsername() != null && !dbConfiguration.getUsername().isEmpty()) {
connectionProperties.setProperty("user", dbConfiguration.getUsername());
}
if (dbConfiguration.getPassword() != null) {
connectionProperties.setProperty(
"password", dbConfiguration.getPassword().getStringValue());
}
final Connection connection = driver.connect(connectionURL, connectionProperties);
final Map<PwmAboutProperty, String> debugProps = getConnectionDebugProperties(connection);
;
LOGGER.debug(
"successfully opened connection to database "
+ connectionURL
+ ", properties: "
+ JsonUtil.serializeMap(debugProps));
connection.setAutoCommit(true);
return connection;
} catch (Throwable e) {
final String errorMsg =
"error connecting to database: " + Helper.readHostileExceptionMessage(e);
final ErrorInformation errorInformation =
new ErrorInformation(PwmError.ERROR_DB_UNAVAILABLE, errorMsg);
if (e instanceof IOException) {
LOGGER.error(errorInformation);
} else {
LOGGER.error(errorMsg, e);
}
throw new DatabaseException(errorInformation);
}
}