001/*******************************************************************************
002 * Copyright (c) 2016 EclipseSource.
003 *
004 * Permission is hereby granted, free of charge, to any person obtaining a copy
005 * of this software and associated documentation files (the "Software"), to deal
006 * in the Software without restriction, including without limitation the rights
007 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
008 * copies of the Software, and to permit persons to whom the Software is
009 * furnished to do so, subject to the following conditions:
010 *
011 * The above copyright notice and this permission notice shall be included in all
012 * copies or substantial portions of the Software.
013 *
014 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
015 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
016 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
017 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
018 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
019 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
020 * SOFTWARE.
021 ******************************************************************************/
022package com.restfb.json;
023
024import java.io.Serializable;
025
026/**
027 * An immutable object that represents a location in the parsed text.
028 */
029public class Location implements Serializable {
030
031  private static final long serialVersionUID = -1249816104753838044L;
032
033  /**
034   * The absolute character index, starting at 0.
035   */
036  public final int offset;
037
038  /**
039   * The line number, starting at 1.
040   */
041  public final int line;
042
043  /**
044   * The column number, starting at 1.
045   */
046  public final int column;
047
048  Location(int offset, int line, int column) {
049    this.offset = offset;
050    this.column = column;
051    this.line = line;
052  }
053
054  @Override
055  public String toString() {
056    return line + ":" + column;
057  }
058
059  @Override
060  public int hashCode() {
061    return offset;
062  }
063
064  @Override
065  public boolean equals(Object obj) {
066    if (this == obj) {
067      return true;
068    }
069    if (obj == null) {
070      return false;
071    }
072    if (getClass() != obj.getClass()) {
073      return false;
074    }
075    Location other = (Location) obj;
076    return offset == other.offset && column == other.column && line == other.line;
077  }
078
079}