/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache license, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the license for the specific language governing permissions and
 * limitations under the license.
 */
package org.apache.logging.log4j.core.net;

import org.apache.logging.log4j.Level;

 Severity values used by the Syslog system.

    

        
Numerical Code
        
Severity
    
    

        
0
        
Emergency: system is unusable
    
    

        
1
        
Alert: action must be taken immediately
    
    

        
2
        
Critical: critical conditions
    
    

        
3
        
Error: error conditions
    
    

        
4
        
Warning: warning conditions
    
    

        
5
        
Notice: normal but significant condition
    
    

        
6
        
Informational: informational messages
    
    

        
7
        
Debug: debug-level messages
    

/**
 *  Severity values used by the Syslog system.
 *
 * <table summary="Syslog Severity Values">
 *     <tr>
 *         <th>Numerical Code</th>
 *         <th>Severity</th>
 *     </tr>
 *     <tr>
 *         <td>0</td>
 *         <td>Emergency: system is unusable</td>
 *     </tr>
 *     <tr>
 *         <td>1</td>
 *         <td>Alert: action must be taken immediately</td>
 *     </tr>
 *     <tr>
 *         <td>2</td>
 *         <td>Critical: critical conditions</td>
 *     </tr>
 *     <tr>
 *         <td>3</td>
 *         <td>Error: error conditions</td>
 *     </tr>
 *     <tr>
 *         <td>4</td>
 *         <td>Warning: warning conditions</td>
 *     </tr>
 *     <tr>
 *         <td>5</td>
 *         <td>Notice: normal but significant condition</td>
 *     </tr>
 *     <tr>
 *         <td>6</td>
 *         <td>Informational: informational messages</td>
 *     </tr>
 *     <tr>
 *         <td>7</td>
 *         <td>Debug: debug-level messages</td>
 *     </tr>
 * </table>
 */
public enum Severity {
    
System is unusable. /** System is unusable. */
    EMERG(0),
    
Action must be taken immediately. /** Action must be taken immediately. */
    ALERT(1),
    
Critical conditions. /** Critical conditions. */
    CRITICAL(2),
    
Error conditions. /** Error conditions. */
    ERROR(3),
    
Warning conditions. /** Warning conditions. */
    WARNING(4),
    
Normal but significant conditions. /** Normal but significant conditions. */
    NOTICE(5),
    
Informational messages. /** Informational messages. */
    INFO(6),
    
Debug level messages. /** Debug level messages. */
    DEBUG(7);

    private final int code;

    Severity(final int code) {
        this.code = code;
    }

    
Returns the severity code.
Returns:
The numeric value associated with the Severity./**
     * Returns the severity code.
     * @return The numeric value associated with the Severity.
     */
    public int getCode() {
        return this.code;
    }

    
Determine if the name matches this Severity.
Params:
name – the name to match.
Returns:
true if the name matches, false otherwise./**
     * Determine if the name matches this Severity.
     * @param name the name to match.
     * @return true if the name matches, false otherwise.
     */
    public boolean isEqual(final String name) {
        return this.name().equalsIgnoreCase(name);
    }

    
Returns the Severity for the specified Level.
Params:
level – The Level.
Returns:
The matching Severity, or DEBUG if there is no match./**
     * Returns the Severity for the specified Level.
     * @param level The Level.
     * @return The matching Severity, or DEBUG if there is no match.
     */
    public static Severity getSeverity(final Level level) {
        switch (level.getStandardLevel()) {
            case ALL:
                return DEBUG;
            case TRACE:
                return DEBUG;
            case DEBUG:
                return DEBUG;
            case INFO:
                return INFO;
            case WARN:
                return WARNING;
            case ERROR:
                return ERROR;
            case FATAL:
                return ALERT;
            case OFF:
                return EMERG;
        }
        return DEBUG;
    }
}