package liquibase.sdk.supplier.database;
import liquibase.database.Database;
import liquibase.database.DatabaseFactory;
import liquibase.database.OfflineConnection;
import liquibase.database.jvm.JdbcConnection;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.util.HashSet;
import java.util.Set;
public class DatabaseSupplier {
private HashSet<Database> allDatabases;
public Set<Database> getAllDatabases() {
if (allDatabases == null) {
allDatabases = new HashSet<Database>(DatabaseFactory.getInstance().getImplementedDatabases());
for (Database database : allDatabases) {
ConnectionConfigurationFactory configurationFactory = ConnectionConfigurationFactory.getInstance();
for (ConnectionSupplier connectionSupplier : configurationFactory.getConfigurations(database)) {
try {
Connection connection = connectionSupplier.openConnection();
database.setConnection(new JdbcConnection(connection));
break;
} catch (SQLException e) {
System.out.println("Cannot connect to "+connectionSupplier.getJdbcUrl());
database.setConnection(new OfflineConnection("offline:"+database.getShortName()));
}
}
}
}
return allDatabases;
}
}