code: /*
   * Copyright 2019 Jim O'Regan <jaoregan@tcd.ie>
   *
   * Permission is hereby granted, free of charge, to any person obtaining a
   * copy of this software and associated documentation files (the "Software"),
   * to deal in the Software without restriction, including without limitation
   * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   * and/or sell copies of the Software, and to permit persons to whom the
   * Software is furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in
   * all copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
   * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
   * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
   * DEALINGS IN THE SOFTWARE.
   */
  package org.languagetool.tagging.ga;
  
  import java.util.Objects;
  
  public class Retaggable {
    
    private String word;
    private String restrictToPos;
    private String appendTag;
    private String prefix;
    
    Retaggable(String word, String restrictToPos, String appendTag) {
      this.word = Objects.requireNonNull(word, "word must not be null");
      this.restrictToPos = restrictToPos;
      this.appendTag = appendTag;
    }
    
    Retaggable(String word, String restrictToPos, String appendTag, String prefix) {
      this(word, restrictToPos, appendTag);
      this.prefix = prefix;
    }
  
    void setAppendTag(String appendTag) {
      if(this.appendTag == null || "".equals(this.appendTag)) {
        this.appendTag = appendTag;
      } else {
        this.appendTag = this.appendTag + appendTag;
      }
    }
  
    void setRestrictToPos(String restrictToPos) {
      if(this.restrictToPos == null || "".equals(this.restrictToPos)) {
        this.restrictToPos = restrictToPos;
      } else {
        this.restrictToPos = this.restrictToPos + "|" + restrictToPos;
      }
    }
  
    public String getWord() {
      return word;
    }
    public String getRestrictToPos() {
      return restrictToPos;
    }
    public String getAppendTag() {
      return appendTag;
    }
    String getPrefix() {
      return prefix;
    }
  }
  