android 將對象存儲於本地

package com.utils;

import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;

import android.content.Context;

/**
 * 對象保存工具
 *
 */
public class ObjectSaveUtils {

	/**
	 * @param context
	 * @param name
	 * @param obj all objs must implements {@code Serializable}
	 */
	public static void saveObject(Context context, String name, Object obj) {
		FileOutputStream fos = null;
		ObjectOutputStream oos = null;
		try {
			fos = context.openFileOutput(name, Context.MODE_PRIVATE);
			oos = new ObjectOutputStream(fos);
			oos.writeObject(obj);
		} catch (Exception e) {
			e.printStackTrace();
		} finally {
			if (fos != null) {
				try {
					fos.close();
				} catch (IOException e) {
					// fos流關閉異常
					e.printStackTrace();
				}
			}
			if (oos != null) {
				try {
					oos.close();
				} catch (IOException e) {
					// oos流關閉異常
					e.printStackTrace();
				}
			}
		}
	}
	
	/**
	 * @param context
	 * @param name
	 * @return
	 */
	public static Object getObject(Context context, String name) {
		FileInputStream fis = null;
		ObjectInputStream ois = null;
		try {
			fis = context.openFileInput(name);
			ois = new ObjectInputStream(fis);
			return ois.readObject();
		} catch (Exception e) {
			e.printStackTrace();
		} finally {
			if (fis != null) {
				try {
					fis.close();
				} catch (IOException e) {
					// fis流關閉異常
					e.printStackTrace();
				}
			}
			if (ois != null) {
				try {
					ois.close();
				} catch (IOException e) {
					// ois流關閉異常
					e.printStackTrace();
				}
			}
		}
		return null;
	}
}