envoy/src/main/java/envoy/client/Config.java

package envoy.client;

import java.io.File;
import java.util.Properties;

/**
 * Project: <strong>envoy-client</strong><br>
 * File: <strong>Config.java</strong><br>
 * Created: <strong>12 Oct 2019</strong><br>
 * 
 * @author Kai S. K. Engelbart
 * @since Envoy v0.1-alpha
 */
public class Config {

	private String	server;
	private int		port;
	private File	localDB;

	/**
	 * Defaults to the {@code client.properties} file for information.
	 * 
	 * @param properties a {@link Properties} object containing information about
	 *                   the server and port, as well as the path to the local
	 *                   database
	 * @since Envoy v0.1-alpha
	 */
	public void load(Properties properties) {
		if (properties.containsKey("server")) server = properties.getProperty("server");
		if (properties.containsKey("port")) port = Integer.parseInt(properties.getProperty("port"));
		localDB = new File(properties.getProperty("localDB", ".\\localDB"));
	}

	/**
	 * Sets the server, port and localDB path via command line properties --server /
	 * -s, --port / -p and --localDB / -db.
	 * 
	 * @param args the command line arguments to parse
	 * @since Envoy v0.1-alpha
	 */
	public void load(String[] args) {
		for (int i = 0; i < args.length; i++)
			switch (args[i]) {
				case "--server":
				case "-s":
					server = args[++i];
					break;
				case "--port":
				case "-p":
					port = Integer.parseInt(args[++i]);
					break;
				case "--localDB":
				case "-db":
					localDB = new File(args[++i]);
					break;
			}
	}

  /**
	 * @return {@code true} if server, port andd localDB directory are known.
	 * @since Envoy v0.1-alpha
	 */
	public boolean isInitialized() { return server != null && !server.isEmpty() && port > 0 && port < 65566 && localDB != null; }

	/**
	 * @return the URL of our website
	 * @since Envoy v0.1-alpha
	 */
	public String getServer() { return server; }

	/**
	 * Changes the default URL.
	 * Exclusively meant for developing reasons. (localhost)
	 * 
	 * @param server the URL where wish to host Envoy
	 * @since Envoy v0.1-alpha
	 */
	public void setServer(String server) { this.server = server; }

	/**
	 * @return the port at which Envoy is located in the Server
	 * @since Envoy v0.1-alpha
	 */
	public int getPort() { return port; }

	/**
	 * Changes the default port.
	 * Exclusively meant for developing reasons. (localhost)
	 * 
	 * @param port the port where we wish to connect to {@code Envoy}.
	 * @since Envoy v0.1-alpha
	 */
	public void setPort(int port) { this.port = port; }

	/**
	*@return the current local database that is held for that user
	*@since Envoy v0.1-alpha
	**/
	public File getLocalDB() { return localDB; }

	/**
	*Changes the default local database.
	*Exclusively meant for developing reasons.
	*
	*@param the local database object to set
	*@since Envoy v0.1-alpha
	**/
	public void setLocalDB(File localDB) { this.localDB = localDB; }
}