SerializeArrayUtil.java

package jp.crwdev.app.util;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.util.ArrayList;
import java.util.HashMap;

public class SerializeArrayUtil {

	@SuppressWarnings("rawtypes")
	public static void save(String filepath, ArrayList list){
		if(list == null){
			return;
		}
		try {
			FileOutputStream fos = new FileOutputStream(filepath);
			ObjectOutputStream oos = new ObjectOutputStream(fos);
			oos.writeObject(list);
			oos.close();
			fos.close();
		} catch (IOException e) {
			e.printStackTrace();
		}
	}

	@SuppressWarnings("rawtypes")
	public static void save(String filepath, HashMap map){
		if(map == null){
			return;
		}
		try {
			FileOutputStream fos = new FileOutputStream(filepath);
			ObjectOutputStream oos = new ObjectOutputStream(fos);
			oos.writeObject(map);
			oos.close();
			fos.close();
		} catch (IOException e) {
			e.printStackTrace();
		}
	}

	@SuppressWarnings("rawtypes")
	public static ArrayList loadList(String filepath){
		File file = new File(filepath);
		if(!file.exists()){
			return null;
		}
		ArrayList list = null;
		try {
			FileInputStream fis = new FileInputStream(filepath);
			ObjectInputStream ois = new ObjectInputStream(fis);
			list = (ArrayList)ois.readObject();
			ois.close();
			fis.close();
		} catch (IOException e) {
			e.printStackTrace();
		} catch (ClassNotFoundException e) {
			e.printStackTrace();
		}
		return list;
	}

	@SuppressWarnings("rawtypes")
	public static HashMap loadMap(String filepath){
		File file = new File(filepath);
		if(!file.exists()){
			return null;
		}
		HashMap map = null;
		try {
			FileInputStream fis = new FileInputStream(filepath);
			ObjectInputStream ois = new ObjectInputStream(fis);
			map = (HashMap)ois.readObject();
			ois.close();
			fis.close();
		} catch (IOException e) {
			e.printStackTrace();
		} catch (ClassNotFoundException e) {
			e.printStackTrace();
		}
		return map;
	}
}