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package com.vci.client.portal.Formdesign.object;
 
import java.awt.Image;
import java.awt.Toolkit;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.util.zip.GZIPInputStream;
import java.util.zip.GZIPOutputStream;
 
import com.vci.client.portal.Formdesign.ControlDragManager;
 
 
/**
 * 工具类
 * 
 * @author liudi
 * 
 */
public class ObjectUtil {
 
    private ObjectUtil() {
    }
 
    /**
     * 克隆对象
     * 
     * @param obj
     * @return
     */
    public static Object cloneObject(Object obj) {
        Object copyObj = null;
        try {
            String fileName = System.nanoTime() + "";
            File f = new File(fileName);
            writeObject(obj, f);
            copyObj = readObject(f);
            System.gc();
            f.delete();
        } catch (Exception e) {
            e.printStackTrace();
        }
        return copyObj;
    }
 
    /**
     * 反序列化
     * 
     * @param f
     * @return
     * @throws FileNotFoundException
     * @throws IOException
     * @throws ClassNotFoundException
     */
    public static Object readObject(File f) throws FileNotFoundException,
            IOException, ClassNotFoundException {
        ObjectInputStream ois = null;
        ois = new ObjectInputStream(new BufferedInputStream(
                new FileInputStream(f)));
        Object obj = ois.readObject();
        ois.close();
        return obj;
    }
 
    /**
     * 序列化
     * 
     * @param obj
     * @param f
     * @throws FileNotFoundException
     * @throws IOException
     */
    public static void writeObject(Object obj, File f)
            throws FileNotFoundException, IOException {
        ObjectOutputStream out = null;
        out = new ObjectOutputStream(new BufferedOutputStream(
                new FileOutputStream(f)));
        out.writeObject(obj);
        out.flush();
        out.close();
    }
 
    /**
     * 解压缩反序列化
     * 
     * @param f
     * @return
     * @throws FileNotFoundException
     * @throws IOException
     * @throws ClassNotFoundException
     */
    public static Object readZip(File f) throws FileNotFoundException,
            IOException, ClassNotFoundException {
        ObjectInputStream ois = null;
        GZIPInputStream gis;
        gis = new GZIPInputStream(new BufferedInputStream(
                new FileInputStream(f)));
        ois = new ObjectInputStream(gis);
        Object obj = ois.readObject();
        ois.close();
        return obj;
    }
 
    /**
     * 压缩序列化
     * 
     * @param obj
     * @param f
     * @throws FileNotFoundException
     * @throws IOException
     */
    public static void writeZip(Object obj, File f)
            throws FileNotFoundException, IOException {
        ObjectOutputStream out = null;
        GZIPOutputStream gout = null;
        gout = new GZIPOutputStream(new BufferedOutputStream(
                new FileOutputStream(f)));
        out = new ObjectOutputStream(gout);
        out.writeObject(obj);
        out.flush();
        gout.finish();
        out.close();
    }
 
    /**
     * 获取图片
     * 
     * @param name
     * @return
     */
    public static Image getImage(String name) {
        return Toolkit.getDefaultToolkit().getImage(
                ControlDragManager.class.getResource(name));
    }
}