SettingsManager.java

/*******************************************************************************
 * Copyright (c) 2015, 2016
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 *******************************************************************************/
package jsettlers.graphics.startscreen;

import java.io.IOException;
import java.io.InputStream;
import java.lang.ref.Reference;
import java.lang.ref.SoftReference;
import java.util.Date;
import java.util.Properties;
import java.util.UUID;

import jsettlers.common.CommonConstants;
import jsettlers.common.menu.Player;
import jsettlers.common.resources.ResourceManager;

public class SettingsManager {
	private static final String FILE = ".jsettlers";
	public static final String SETTING_UUID = "gid";
	public static final String SETTING_USERNAME = "name";
	public static final String SETTING_SERVER = "server";
	public static final String SETTING_VOLUME = "volume";
	public static final String FULL_SCREEN_MODE = "fullScreenMode";

	private static Reference<SettingsManager> manager;

	private Properties settings;

	private SettingsManager() {
	}

	private Properties getSettingsFile() {
		if (settings == null) {
			settings = new Properties();
			try {
				InputStream in = ResourceManager.getResourcesFileStream(FILE);
				settings.load(in);
			} catch (IOException e) {
			}
		}
		return settings;
	}

	public synchronized String get(String key) {
		String property = getSettingsFile().getProperty(key);
		return property == null ? getDefault(key) : property;
	}

	private String getDefault(String key) {
		if (SETTING_USERNAME.equals(key)) {
			return System.getProperty("user.name");
		} else if (SETTING_SERVER.equals(key)) {
			return CommonConstants.DEFAULT_SERVER_ADDRESS;
		} else if (SETTING_VOLUME.equals(key)) {
			return 0.7f + "";
		}
		return null;
	}

	public synchronized void set(String key, String value) {
		getSettingsFile().setProperty(key, value);
		try {
			settings.store(ResourceManager.writeConfigurationFile(FILE), new Date().toString());
		} catch (IOException e) {
		}
	}

	public static SettingsManager getInstance() {
		SettingsManager man = manager == null ? null : manager.get();
		if (man == null) {
			man = new SettingsManager();
			manager = new SoftReference<SettingsManager>(man);
		}
		return man;
	}

	public synchronized Player getPlayer() {
		String username = get(SETTING_USERNAME);
		String id = get(SETTING_UUID);
		if (id == null) {
			id = UUID.randomUUID().toString();
			set(SETTING_UUID, id);
		}
		return new Player(id, username);
	}

	public float getVolume() {
		String volumeString = get(SETTING_VOLUME);
		try {
			float volume = Float.parseFloat(volumeString);
			return Math.min(Math.max(volume, 0), 1);
		} catch (NumberFormatException e) {
		}
		return 1;
	}

	public void setFullScreenMode(boolean fullScreenMode) {
		set(FULL_SCREEN_MODE, "" + fullScreenMode);
	}

	public boolean getFullScreenMode() {
		return Boolean.valueOf(get(FULL_SCREEN_MODE));
	}
}