/*
 * Copyright 2012-2017 Red Hat, Inc.
 *
 * This file is part of Thermostat.
 *
 * Thermostat is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published
 * by the Free Software Foundation; either version 2, or (at your
 * option) any later version.
 *
 * Thermostat 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
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Thermostat; see the file COPYING.  If not see
 * <http://www.gnu.org/licenses/>.
 *
 * Linking this code with other modules is making a combined work
 * based on this code.  Thus, the terms and conditions of the GNU
 * General Public License cover the whole combination.
 *
 * As a special exception, the copyright holders of this code give
 * you permission to link this code with independent modules to
 * produce an executable, regardless of the license terms of these
 * independent modules, and to copy and distribute the resulting
 * executable under terms of your choice, provided that you also
 * meet, for each linked independent module, the terms and conditions
 * of the license of that module.  An independent module is a module
 * which is not derived from or based on this code.  If you modify
 * this code, you may extend this exception to your version of the
 * library, but you are not obligated to do so.  If you do not wish
 * to do so, delete this exception statement from your version.
 */

package com.redhat.thermostat.agent.ipc.common.internal;

import java.util.Collections;
import java.util.HashMap;
import java.util.Map;

public enum IPCType {
    
    UNIX_SOCKET("unixsocket"),
    TCP_SOCKET("tcpsocket"),
    WINDOWS_NAMED_PIPES("winpipes"),
    UNKNOWN(null); // Used for testing
    
    // Reverse lookup
    private static final Map<String, IPCType> valuesMap;
    private String configValue;
    
    static {
        Map<String, IPCType> tempValuesMap = new HashMap<String, IPCType>();
        for (IPCType type : IPCType.values()) {
            String value = type.getConfigValue();
            if (value != null) {
                tempValuesMap.put(value, type);
            }
        }
        valuesMap = Collections.unmodifiableMap(tempValuesMap);
    }
    
    private IPCType(String configValue) {
        this.configValue = configValue;
    }
    
    public String getConfigValue() {
        return configValue;
    }
    
    public static IPCType fromConfigValue(String value) {
        return valuesMap.get(value);
    }
    
    // For testing purposes only
    static Map<String, IPCType> getValuesMap() {
        return valuesMap;
    }

}