BigTextFile.java

package com.imgraph.tests.titan;

import java.io.BufferedReader;
import java.io.FileReader;
import java.util.Iterator;

public class BigTextFile implements Iterable<String>{

	private BufferedReader _reader;

	public BigTextFile(String filePath) throws Exception
	{
		_reader = new BufferedReader(new FileReader(filePath));
	}

	public void Close()
	{
		try
		{
			_reader.close();
		}
		catch (Exception ex) {}
	}

	public Iterator<String> iterator() {
		return new FileIterator();
	}

	private class FileIterator implements Iterator<String>
	{
		private String _currentLine;

		public boolean hasNext()
		{
			try
			{
				_currentLine = _reader.readLine();
			}
			catch (Exception ex)
			{
				_currentLine = null;
				ex.printStackTrace();
			}

			return _currentLine != null;
		}

		public String next()
		{
			return _currentLine;
		}

		public void remove()
		{
		}
	}

}