Android Open Source - BoggleGame Dictionary

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Back to project page BoggleGame.

License

The source code is released under:

MIT License

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Java Source Code

package com.example.wordboggle;
/*from   w w  w.j  a  v  a2 s .  c o  m*/

import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Hashtable;
import java.util.List;
import java.util.Map;

  /*
   * This class will maintain all of the valid wordList able to be used in the game.
   */
  public class Dictionary {
    
    //HashMap that stores the dictionary
    private HashMap<String, ArrayList<String>> dictionary;
    private ArrayList<String> hashInput;
    
    
    /*
     * initialize the dictionary variable and parse the dictionary
     * file to add all words in the dictionary file to the 
     * dictionary HashMap
     */
    public Dictionary(InputStream dictFile) throws Exception {
      dictionary = new HashMap<String,ArrayList<String>>();
      parseFile(dictFile);
    }

    
    /*
     * This will check the entire list of wordList to see if the given word is valid 
     */
    public boolean isReal(String input){
      
      if(input.length() < 3){
        return false;
      }
      
      String sub = input.substring(0, 2);
      if(dictionary.containsKey(sub)){
        ArrayList<String> wordLists = dictionary.get(sub);
        if(wordLists.contains(input)){
          return true;
        }
      }
      
      return false;
    }
    
    
    /*
     * This will check the entire list of wordList to see if the given string 
     * is part of a word
     */
    public boolean isPartOfAWord(String input){
      
      if(input.length() == 1){
        return true;
      }
      
      String sub = input.substring(0, 2);
      if(dictionary.containsKey(sub)){
        ArrayList<String> wordLists = dictionary.get(sub);
        for(int i = 0; i < wordLists.size(); ++i){
          int subSize = input.length();
          int wordSize = wordLists.get(i).length();
          if(subSize <= wordSize){
            String compare = wordLists.get(i).substring(0, subSize);
            if(input.equals(compare)){
              return true;
            }
          }
        }
      }
      
      return false;
    }
    

    /* 
     * This will parse the dictionary text file and store all of the wordList 
     * from the word file that are three letters long or greater into a list.
     */
    public void parseFile(InputStream is) throws Exception {
      String temp;
      String key = "";
      String nextKey;
      DataInputStream input = new DataInputStream(is);
      BufferedReader br = new BufferedReader(new InputStreamReader(input));
      while ((temp = br.readLine()) != null){
        if(temp.length() >= 3){
          
          nextKey = temp.substring(0, 2);
          if(nextKey.equals(key)){
            hashInput.add(temp);
          }else{
            dictionary.put(key, hashInput);
            key = nextKey;
            hashInput = new ArrayList<String>();
            hashInput.add(temp);
          }
        }
      }
      dictionary.put(key, hashInput);
      input.close();
    }
  }

Java Source Code List