001 /* 002 * Sonar, open source software quality management tool. 003 * Copyright (C) 2008-2011 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 }