/**
* Starts up the database. This must be called before calling methods to get connection of execute
* queries or updates.
*/
public void startup() {
dbbindingLogger.debug("Begin to start up the database.");
Properties prop = new Properties();
try {
prop.load(new FileInputStream(dbpropfile));
try {
dbType = DBType.MEMORY; // default value.
dbType = DBType.valueOf(prop.getProperty("type"));
} catch (IllegalArgumentException e) {
dbbindingLogger.warn("Bad database type in the property file.");
exceptionLogger.warn(
"Here is an exception : ", new Exception("Bad database type in the property file."));
} catch (NullPointerException e) {
dbbindingLogger.warn("Missing database type in the property file.");
exceptionLogger.warn(
"Here is an exception : ",
new Exception("Missing database type in the property file."));
}
database = prop.getProperty("database");
if (database == null) {
dbbindingLogger.warn("Missing database key in the property file.");
exceptionLogger.warn(
"Here is an exception : ", new Exception("Missing database key in the property file."));
}
jdbcDriver = prop.getProperty("jdbc.driver");
if (jdbcDriver == null) {
dbbindingLogger.warn("Missing jdbcDriver key in the property file.");
exceptionLogger.warn(
"Here is an exception : ",
new Exception("Missing jdbcDriver key in the property file."));
}
jdbcURL = prop.getProperty("database.url");
if (jdbcURL == null) {
dbbindingLogger.warn("Missing database URL key in the property file.");
exceptionLogger.warn(
"Here is an exception : ",
new Exception("Missing database URL key in the property file."));
}
dbHost = prop.getProperty("database.host");
if (dbHost == null) {
dbbindingLogger.warn("Missing database host key in the property file.");
exceptionLogger.warn(
"Here is an exception : ",
new Exception("Missing database host key in the property file."));
}
dbPort = prop.getProperty("database.port");
if (dbPort == null) {
dbbindingLogger.warn("Missing database port key in the property file.");
exceptionLogger.warn(
"Here is an exception : ",
new Exception("Missing database port key in the property file."));
}
dbName = prop.getProperty("database.name");
if (dbName == null) {
dbbindingLogger.warn("Missing database name key in the property file.");
exceptionLogger.warn(
"Here is an exception : ",
new Exception("Missing database name key in the property file."));
}
username = prop.getProperty("username");
if (username == null) {
dbbindingLogger.warn("Missing database username key in the property file.");
exceptionLogger.warn(
"Here is an exception : ",
new Exception("Missing database username key in the property file."));
}
password = prop.getProperty("password");
if (password == null) {
dbbindingLogger.warn("Missing database password key in the property file.");
exceptionLogger.warn(
"Here is an exception : ",
new Exception("Missing database password key in the property file."));
}
if (dbbindingLogger.isDebugEnabled()) {
dbbindingLogger.debug(
"Parse: "
+ database
+ ","
+ jdbcDriver
+ ","
+ jdbcURL
+ dbHost
+ ","
+ dbPort
+ ","
+ dbName
+ ","
+ username
+ ","
+ password);
}
// Make connection to database and initialize the database.
initDatabase();
// TODO: support prepared statement if needed
} catch (IOException ei) {
dbbindingLogger.error("Failed to start up the database, IOException: " + ei);
exceptionLogger.error("Failed to start up the database, IOException: " + ei);
}
}
