android 将对象存储于本地

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;

/**
 * 对象保存工具
 *
 */
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流关闭异常
                    e.printStackTrace();
                }
            }
            if (oos != null) {
                try {
                    oos.close();
                } catch (IOException e) {
                    // oos流关闭异常
                    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流关闭异常
                    e.printStackTrace();
                }
            }
            if (ois != null) {
                try {
                    ois.close();
                } catch (IOException e) {
                    // ois流关闭异常
                    e.printStackTrace();
                }
            }
        }
        return null;
    }
}