PropertiesAccessor.java

/**
 * VStar: a statistical analysis tool for variable star data.
 * Copyright (C) 2009  AAVSO (http://www.aavso.org/)
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>. 
 */
package org.aavso.tools.vstar.ui.resources;

import java.io.IOException;
import java.net.URL;
import java.util.Properties;

/**
 * The purpose of this class is to provide access to non-class properties such
 * as the star list.
 */
public class PropertiesAccessor {

	/**
	 * Build some constants for the starlists.
	 */
	public static Star[] getStarList() {
		// based on constant passed in use the resource accessor to get the
		// appropriate properties file path
		Star starlist[] = null;
		String list[];

		try {

			URL url = PropertiesAccessor.class
					.getResource("/etc/StarList.properties");
			if (url == null) {
				// Otherwise, look in resources dir under ui (e.g. if running
				// from Eclipse, not from a distribution of vstar.jar).
				url = PropertiesAccessor.class
						.getResource("etc/StarList.properties");
			}
			Properties props = new Properties();
			props.load(url.openStream());

			list = props.getProperty("starlist").split(",");

			starlist = new Star[list.length / 2];

			for (int i = 0, j = 0; i < list.length; j++, i += 2) {
				Star S = new Star();
				S.setName(list[i]);
				S.setIdentifier(list[i + 1]);
				starlist[j] = S;
			}
			// Process star list and make a hashmap or whatever the drop down
			// needs

		} catch (IOException e) {
			e.printStackTrace();
		}

		return starlist;

	}

	public static String getStarListTitle() {
		// based on constant passed in use the resource accessor to get the
		// appropriate properties file path
		String value = null;

		try {

			URL url = PropertiesAccessor.class
					.getResource("/etc/StarList.properties");
			if (url == null) {
				// Otherwise, look in resources dir under ui (e.g. if running
				// from Eclipse, not from a distribution of vstar.jar).
				url = PropertiesAccessor.class
						.getResource("etc/StarList.properties");
			}
			Properties props = new Properties();
			props.load(url.openStream());

			value = props.getProperty("starlisttitle");

		} catch (IOException e) {
			e.printStackTrace();
		}

		return value;

	}
}