package sample;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.UnsupportedEncodingException;

public class Hello {

	public static void main(String[] args) {

		String str02 = "0123456789abcdef";
		int i = 0;
		try {
			// String byte[];
			byte[] bytes = str02.getBytes("UTF-8"); // String.getBytes();orString.getBytes(encoding);

			switch (bytes[i]) {
			case 48: // 0
				bytes[i] = 0x00;
				break;
			case 49: // 1
				bytes[i] = 0x01;
				break;
			case 50: // 2
				bytes[i] = 0x02;
				break;
			case 51: // 3
				bytes[i] = 0x03;
				break;
			case 52: // 4
				bytes[i] = 0x04;
				break;
			case 53: // 5
				bytes[i] = 0x05;
				break;
			case 54: // 6
				bytes[i] = 0x06;
				break;
			case 55: // 7
				bytes[i] = 0x07;
				break;
			case 56: // 8
				bytes[i] = 0x08;
				break;
			case 57: // 9
				bytes[i] = 0x09;
				break;
			case 97: // a
				bytes[i] = 0x0a;
				break;
			case 98: // b
				bytes[i] = 0x0b;
				break;
			case 99: // c
				bytes[i] = 0x0c;
				break;
			case 100: // d
				bytes[i] = 0x0d;
				break;
			case 101: // e
				bytes[i] = 0x0e;
				break;
			case 102: // f
				bytes[i] = 0x0f;
				break;
			}
			i++;
			
			
			// String xx = new String(bytes, "UTF-8");
			// System.out.println(xx);
			System.out.println(bytes);
		} catch (UnsupportedEncodingException e) {
			// TODO&#33258;&#21205;&#29983;&#25104;&#12373;&#12428;&#12383;catch&#12502;&#12525;&#12483;&#12463;
			e.printStackTrace();
		}

		// writer
		try {
			File file = new File("c:\\tmp\\test.txt");

			if (checkBeforeWritefile(file)) {
				FileWriter filewriter = new FileWriter(file);

				filewriter.write("ɂ\r\n");
				filewriter.write("Cł\r\n");
				filewriter.write(str02);

				filewriter.close();
			} else {
				System.out.println("t@Cɏ߂܂");
			}
		} catch (IOException e) {
			System.out.println(e);
		}

		if (false) {
			try {
				File csv = new File("sample.csv");
				BufferedReader br = new BufferedReader(new FileReader(csv));

				String line = "";
				while ((line = br.readLine()) != null) {
					// StringTokenizer st = new StringTokenizer(line, ",");
					// byte[] st = "".getBytes(Charset.forName("UTF-8"));

					// while(st.hasMoreTokens()){
					// System.out.print(st.nextToken() + "\t");
					// }
					System.out.println();
				}
				br.close();
			} catch (Exception e) {
				e.printStackTrace();
			}
		}

		if (false) {
			// TODO ꂽ\bhEX^u
			String str = new String();
			for (int j = 0; j < 10; j++) {
				// System.out.println("Hello, java\n");
				str += "قق\n";
			}
			System.out.println(str);
		}
	}

	private static boolean checkBeforeWritefile(File file) {
		if (file.exists()) {
			if (file.isFile() && file.canWrite()) {
				return true;
			}
		}

		return false;
	}

}
