/*
 * (C) Copyright 2015 Boni Garcia (http://bonigarcia.github.io/)
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Lesser General Public License
 * (LGPL) version 2.1 which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/lgpl-2.1.html
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 */
package io.github.bonigarcia.wdm;

import java.net.MalformedURLException;
import java.net.URL;

import com.typesafe.config.Config;
import com.typesafe.config.ConfigFactory;

/**
 * Configuration (wrapper for Java properties).
 *
 * @author Boni Garcia (boni.gg@gmail.com)
 * @since 1.0.0
 */
public class WdmConfig {

    private static WdmConfig instance;
    private Config conf;

    protected WdmConfig() {
        conf = ConfigFactory.load(WdmConfig.class.getClassLoader(), System
                .getProperty("wdm.properties", "webdrivermanager.properties"));
    }

    public static synchronized WdmConfig getInstance() {
        if (instance == null) {
            instance = new WdmConfig();
        }
        return instance;
    }

    public static String getString(String key) {
        String value = "";
        try {
            if (!key.equals("")) {
                value = WdmConfig.getInstance().conf.getString(key);
            }
        } catch (Exception e) {
            value = System.getenv(key);
        }
        return value;
    }

    public static int getInt(String key) {
        return WdmConfig.getInstance().conf.getInt(key);
    }

    public static boolean getBoolean(String key) {
        return WdmConfig.getInstance().conf.getBoolean(key);
    }

    public static URL getUrl(String key) throws MalformedURLException {
        return new URL(WdmConfig.getInstance().conf.getString(key));
    }

}

@@ -1421,26 +1421,8 @@
 %22%22;%0A
-        try %7B%0A    
     
@@ -1444,24 +1444,184 @@
 uals(%22%22)) %7B%0A
+            // dots are not allowed in POSIX environmental variables%0A            value = System.getenv(key.replace(%22.%22, %22_%22));%0A            if (value == null) %7B%0A
             
@@ -1695,79 +1695,8 @@
   %7D%0A
-        %7D catch (Exception e) %7B%0A            value = System.getenv(key);
 %0A   

Replace dots by underscores when reading env variables for properties