//****************************************************************************
// Dictionary.java file for Spring 2006, CS1501 Project 1:  Anagrams
//   This class has a method that reads a list of words in from a dictionary file
// into an array, and a method that prints the contents of the array out to 
// standard output.  
//   (This code was adapted from a Spring 2006 student project submission.)
//****************************************************************************	

import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;

public class Dictionary
{
	private String[] wordlist; 
	private int numwords;
	private String filename; //File must have each word on a new line and end with a blank line
	
	//********************************************************************
	// Name: Dictionary (constructor)
	// Description:  inputs dictionary's filename and initializes fields
	// (File must have each word on a new line and end with a blank line.)
	//********************************************************************
	public Dictionary(String fname)
	{
		filename = fname; //dictionary filename
		//count words in the file
		numwords = 0;
		try 
		{
			File infile = new File(filename);
			BufferedReader fReader;
			//get ready to read from the file
			fReader = new BufferedReader(new FileReader(infile));
			// string to hold word extracted from file
			String nextword = "";			
			// read in first word from file
			nextword = fReader.readLine();
			// Do this until you reach an empty line (which is the eof sentinel).
			while(nextword != null)
			{
				numwords++;		
				nextword = fReader.readLine();						
			}
		} 
		catch(Exception e)
		{
			System.out.println(e);
		}
		//initialize array to size that will hold the words
		wordlist = new String[numwords];
	}//end constructor

	//********************************************************************
	// Name: buildFromFile
	// Description:  Adds a list of words from the file to the wordlist array
	// (File must have each word on a new line and end with a blank line.)
	//********************************************************************
	public void buildFromFile()
	{
		try 
		{
			File infile = new File(filename);
			BufferedReader fReader;
			//get ready to read from the file
			fReader = new BufferedReader(new FileReader(infile));
			// string to hold word extracted from file
			String nextword = "";			
			int wordcount = 0;
			// read in first word from file
			nextword = fReader.readLine();
			// Do this until you reach an empty line (which is the file sentinel).
			while(nextword != null)
			{					
				// Insert the new_word into the wordlist array.
				wordlist[wordcount] = nextword;
				// Then read in the next word from the file.
				nextword = fReader.readLine();
				wordcount++;
			}
		} 
		catch(Exception e)
		{
			System.out.println(e);
		}		
	}//end method buildFromFile
		
	//********************************************************************
	// Name: printWordList
	// Outputs the words from the array wordlist to standard output.
	//********************************************************************
	public void printWordList()
	{
		for (int w = 0; w < numwords; w++){
			System.out.println(wordlist[w]);
		}
	}
	
	//Here is just some demo code.  This method should be modified or omitted.
	public static void main (String[] args)
	{
		Dictionary d = new Dictionary("5desk.txt");
		d.buildFromFile();
		d.printWordList();	
	}
}