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 */
020package org.sonar.duplications.detector.suffixtree;
021
022import java.util.ArrayList;
023import java.util.List;
024
025public abstract class AbstractText implements Text {
026
027  protected final List<Object> symbols;
028
029  public AbstractText(int size) {
030    this.symbols = new ArrayList<Object>(size);
031  }
032
033  public AbstractText(List<Object> symbols) {
034    this.symbols = symbols;
035  }
036
037  public int length() {
038    return symbols.size();
039  }
040
041  public Object symbolAt(int index) {
042    return symbols.get(index);
043  }
044
045  public List<Object> sequence(int fromIndex, int toIndex) {
046    return symbols.subList(fromIndex, toIndex);
047  }
048
049}