001/**
002 * Logback: the reliable, generic, fast and flexible logging framework.
003 * Copyright (C) 1999-2015, QOS.ch. All rights reserved.
004 *
005 * This program and the accompanying materials are dual-licensed under
006 * either the terms of the Eclipse Public License v1.0 as published by
007 * the Eclipse Foundation
008 *
009 *   or (per the licensee's choosing)
010 *
011 * under the terms of the GNU Lesser General Public License version 2.1
012 * as published by the Free Software Foundation.
013 */
014package ch.qos.logback.core.subst;
015
016public class Token {
017
018    static public final Token START_TOKEN = new Token(Type.START, null);
019    static public final Token CURLY_LEFT_TOKEN = new Token(Type.CURLY_LEFT, null);
020    static public final Token CURLY_RIGHT_TOKEN = new Token(Type.CURLY_RIGHT, null);
021    static public final Token DEFAULT_SEP_TOKEN = new Token(Type.DEFAULT, null);
022
023    public enum Type {
024        LITERAL, START, CURLY_LEFT, CURLY_RIGHT, DEFAULT
025    }
026
027    Type type;
028    String payload;
029
030    public Token(Type type, String payload) {
031        this.type = type;
032        this.payload = payload;
033    }
034
035    @Override
036    public boolean equals(Object o) {
037        if (this == o)
038            return true;
039        if (o == null || getClass() != o.getClass())
040            return false;
041
042        Token token = (Token) o;
043
044        if (type != token.type)
045            return false;
046        if (payload != null ? !payload.equals(token.payload) : token.payload != null)
047            return false;
048
049        return true;
050    }
051
052    @Override
053    public int hashCode() {
054        int result = type != null ? type.hashCode() : 0;
055        result = 31 * result + (payload != null ? payload.hashCode() : 0);
056        return result;
057    }
058
059    @Override
060    public String toString() {
061        String result = "Token{" + "type=" + type;
062        if (payload != null)
063            result += ", payload='" + payload + '\'';
064
065        result += '}';
066        return result;
067    }
068}