001    /*
002     * Sonar, open source software quality management tool.
003     * Copyright (C) 2008-2012 SonarSource
004     * mailto:contact AT sonarsource DOT com
005     *
006     * Sonar is free software; you can redistribute it and/or
007     * modify it under the terms of the GNU Lesser General Public
008     * License as published by the Free Software Foundation; either
009     * version 3 of the License, or (at your option) any later version.
010     *
011     * Sonar is distributed in the hope that it will be useful,
012     * but WITHOUT ANY WARRANTY; without even the implied warranty of
013     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014     * Lesser General Public License for more details.
015     *
016     * You should have received a copy of the GNU Lesser General Public
017     * License along with Sonar; if not, write to the Free Software
018     * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
019     */
020    package org.sonar.duplications.token;
021    
022    public class Token {
023    
024      private final int line;
025      private final int column;
026      private final String value;
027    
028      /**
029       * Cache for hash code.
030       */
031      private int hash;
032    
033      public Token(String value, int line, int column) {
034        this.value = value;
035        this.column = column;
036        this.line = line;
037      }
038    
039      public int getLine() {
040        return line;
041      }
042    
043      public int getColumn() {
044        return column;
045      }
046    
047      public String getValue() {
048        return value;
049      }
050    
051      @Override
052      public boolean equals(Object object) {
053        if (object instanceof Token) {
054          Token anotherToken = (Token) object;
055          return anotherToken.line == line && anotherToken.column == column && anotherToken.value.equals(value);
056        }
057        return false;
058      }
059    
060      @Override
061      public int hashCode() {
062        int h = hash;
063        if (h == 0) {
064          h = value.hashCode();
065          h = 31 * h + line;
066          h = 31 * h + column;
067          hash = h;
068        }
069        return h;
070      }
071    
072      @Override
073      public String toString() {
074        return "'" + value + "'[" + line + "," + column + "]";
075      }
076    
077    }