1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache license, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the license for the specific language governing permissions and 15 * limitations under the license. 16 */ 17 package org.apache.logging.log4j.core.net; 18 19 import org.apache.logging.log4j.Level; 20 21 /** 22 * The Priority used in the Syslog system. Calculated from the Facility and Severity values. 23 */ 24 public class Priority { 25 26 private final Facility facility; 27 private final Severity severity; 28 29 /** 30 * The Constructor. 31 * @param facility The Facility. 32 * @param severity The Severity. 33 */ 34 public Priority(final Facility facility, final Severity severity) { 35 this.facility = facility; 36 this.severity = severity; 37 } 38 39 /** 40 * Returns the priority value based on the Facility and Log Level. 41 * @param facility The Facility. 42 * @param level The Level. 43 * @return The integer value of the priority. 44 */ 45 public static int getPriority(final Facility facility, final Level level) { 46 return toPriority(facility, Severity.getSeverity(level)); 47 } 48 49 private static int toPriority(Facility aFacility, Severity aSeverity) { 50 return (aFacility.getCode() << 3) + aSeverity.getCode(); 51 } 52 53 /** 54 * Returns the Facility. 55 * @return the Facility. 56 */ 57 public Facility getFacility() { 58 return facility; 59 } 60 61 /** 62 * Returns the Severity. 63 * @return the Severity. 64 */ 65 public Severity getSeverity() { 66 return severity; 67 } 68 69 /** 70 * Returns the value of this Priority. 71 * @return the value of this Priority. 72 */ 73 public int getValue() { 74 return toPriority(facility, severity); 75 } 76 77 @Override 78 public String toString() { 79 return Integer.toString(getValue()); 80 } 81 }