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package database;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
/**
* Builder for connection.
*
* @author Peter Wu
*/
public class ConnectionBuilder {
private String dbms;
private String serverName;
private int port;
private String dbName;
private String username;
private String password;
/**
* Sets up a ConnectionBuilder for PostgreSQL and serverName localhost. The
* username, password and database name must still be supplied.
*/
public ConnectionBuilder() {
dbms = "postgresql";
serverName = "localhost";
port = 5432;
}
public ConnectionBuilder setDbms(String dbms) {
this.dbms = dbms;
return this;
}
public ConnectionBuilder setServerName(String serverName) {
this.serverName = serverName;
return this;
}
public ConnectionBuilder setPort(int port) {
this.port = port;
return this;
}
public ConnectionBuilder setDbName(String dbName) {
this.dbName = dbName;
return this;
}
public ConnectionBuilder setUsername(String username) {
this.username = username;
return this;
}
public ConnectionBuilder setPassword(String password) {
this.password = password;
return this;
}
public Connection create() throws SQLException {
String url = "jdbc:" + dbms + "://" + serverName + ":" + port + "/" + dbName;
return DriverManager.getConnection(url, username, password);
}
}
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