目前我正在尝试用Java发送BufferedImage。我知道BufferedImage不是序列化的，所以我尝试创建一个可序列化的版本。 这是代码： import java.awt.image.BufferedImage;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;
import javax.imageio.ImageIO;
public class SerializableBufferedImage implements Serializable{
private long id;
private String name;
private BufferedImage image;
public SerializableBufferedImage(long id, String name, BufferedImage image){
this.id = id;
this.name = name;
this.image = image;
}
public long getId(){return id;}
public void setId(long id){this.id = id;}
public String getName(){return name;}
public void setName(String name){this.name = name;}
public BufferedImage getImage(){return image;}
public void setImage(BufferedImage image){this.image = image;}
public void writeObject(ObjectOutputStream out){
try{
out.writeObject(name);
ImageIO.write(image, "jpeg", ImageIO.createImageOutputStream(out));
}catch(IOException ioException){
ioException.printStackTrace();
}
}
public void readObject(ObjectInputStream in){
try{
name = (String) in.readObject();
image = ImageIO.read(ImageIO.createImageInputStream(in));
}catch(IOException ioException){
ioException.printStackTrace();
}catch(ClassNotFoundException classNotFoundException){
classNotFoundException.printStackTrace();
}
}
}
这是我尝试发送图像时的操作：
private void sendImage(BufferedImage image){
SerializableBufferedImage test = new SerializableBufferedImage(1, "test", image);
try{
if(output == null){
showMessage("MAKE SURE THAT YOU ARE CONNECTED TO SOMEONE!\n");
}
else{
if(image == null)System.out.println("image is null in sendImage");
output.writeObject("CODE - 4");
output.flush();
System.out.println("here");
test.writeObject(output);
System.out.println("done");
output.flush();
System.out.println("Just sent code " + 4);
}
}catch(IOException ioException){
System.out.println("\nERROR! UNABLE TO SEND IMAGE CODE!");
ioException.printStackTrace();
}
}
每当我尝试通过此方法发送图像时，程序都会崩溃。我不明白序列化是什么，它是否实现错误，我使用它是错误的，还是其他问题。代码的输出可以在这里找到： http://pastebin.com/0n4yS2ap