a simple file reader

BufferedFileReader.java

import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.util.Iterator;

public class BufferedFileReader {
	private static BufferedFileReader opener = new BufferedFileReader();
	
	private BufferedFileReader() { }
	
	public static File open(String filename) {
		return open(filename, "UTF-8");
	}
	
	public static File open(String filename, String encoding) {
		return opener.new File(filename, encoding);
	}
	
	private class File implements Iterable<String> {

		private BufferedReader reader;
		private String line = null;
		private boolean callHasNext = false;

		public File(String filename, String encoding) {
			try {
				reader = new BufferedReader(new InputStreamReader(new FileInputStream(filename), encoding));
			} catch (UnsupportedEncodingException e) {
			} catch (FileNotFoundException e) { }
		}
			
		@Override
		public Iterator<String> iterator() {
			return new Iterator<String>() {
				
				@Override
				public void remove() { }
				
				@Override
				public String next() {
					if (callHasNext) {
						callHasNext = false;
						return line;
					}
					try {
						return reader.readLine();
					} catch (IOException e) {
						try {
							reader.close();
						} catch (IOException e1) { }
						return null;
					}
				}
				
				@Override
				public boolean hasNext() {
					try {
						if (callHasNext) {
							return true;
						}
						line = reader.readLine();
						if (line == null) {
							reader.close();
							return false;
						}
						callHasNext = true;
						return true;
					} catch (IOException e) { }
					return false;
				}
			};
		}
	}

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		//Example
		for(String line: BufferedFileReader.open("hoge.html", "euc_jp")) {
			System.out.println(line);
		}
	}

}