Serialization/Deserialization a picture

[Jay Orsaw]

Hello,

I have a class called Face which has properties laid out. One of the things about the face is that it needs a picture assigned to it. I assign f to a File like I do with everything else as a int or string. I am able to serialize an array of files f[] and reading in the files with a for loop and using j as f[j] and using j as the file # in my images folder.

package Plan;

import java.io.File;
import java.io.FileOutputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;
	
public class Face implements Serializable
{
	
	//int n;

//Face face[] = new Face[n];
                private int a;
		public String faceName;
		public int x, y;
                public File f;
		public int w, h;
	

		
		
		public Face()
		{
                   // this.faceName = "";
                    this.x = 10;
		    this.y = 10;
		    this.w = 100;
		    this.h = 100;
		}

		public Face(int x, int y,int width, int height)
		{
		    this.x = x;
		    this.y = y;
		    this.w = width;
		    this.h = height;		
		}
		public Face(File f, int x, int y,int width, int height)
		{


                    this.f = f;
		    this.x = x;
		    this.y = y;
		    this.w = width;
		    this.h = height;	

		}


		public void faceName(String Name)
		{
		    this.faceName = Name;
		}

		public String getName()
		{
		    return faceName;
		}

		public void x(int x)
		{
		    this.x = x;
		}
		
    
		public int getX()
		{		
			return this.x;
		}
			
		public void y(int y)
		{
			this.y =  y;
		}
		
		public int getY()
		{
			return this.y;
		}
		
		public void width(int width)
		{
			this.w = width;
		}
		
		public int getWidth()
		{
			return w;
		}
	
		public void height(int height)
		{
			this.h = height;
		}
		
		public int getHeight()
		{
			return h;
		}



   public static void main (String args[])
   {
 
	   Face face = new Face();
	   face.serializeFace();


   }

   public void serializeFace()
   {
 /*Buffer Face Class Data Into a file*/
 


int x = 0;
int y = 40;
int w = 100;
int h = 100;
int i = 10;
Face[] face = new Face[i];
File[] f = new File[i];
	   try{

		FileOutputStream fout = new FileOutputStream("F:/Netbeans/NetbeansProjects/Plan/build/plans/Face.txt");
		ObjectOutputStream oos = new ObjectOutputStream(fout);  
                oos.writeInt(i);

                for(int j = 0; j < i; j++)
                {
                                    f[j] = new File("F:/Netbeans/NetbeansProjects/Plan/build/images/" + j);
                    if(j < 5)
                        {
                        oos.writeObject(new Face(f[j], x, y, w, h));
                        x = w + x + 10;
                        }
               
                    else if(j == 5)
                            {
                                y = w +50;
                                x = 0;
                                oos.writeObject(new Face(f[j],x, y, w, h));
                            }
                    else
                    {
                        x = w + x + 10;
                        oos.writeObject(new Face(f[j],x, y, w, h));
                    }
                }
                oos.flush();
		oos.close();
		System.out.println("Face Done");
 
	   }catch(Exception ex){
		   ex.printStackTrace();
	   }
   }

}

Now this works, and deserialization also works. My code for the Plan class which reads in all of the other information needed to create the plan. When I try to buffer the image using f[x].f it gives me an error saying

javax.imageio.IIOException: Can't read input file!
javax.imageio.IIOException: Can't read input file!
	at javax.imageio.ImageIO.read(ImageIO.java:1301)
	at Plan.Plan.addRect(Plan.java:148)
	at Plan.Plan.paint(Plan.java:199)
	at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:781)
	at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:728)
	at javax.swing.RepaintManager.prePaintDirtyRegions(RepaintManager.java:677)
	at javax.swing.RepaintManager.access$700(RepaintManager.java:59)
	at javax.swing.RepaintManager$ProcessingRunnable.run(RepaintManager.java:1621)
	at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:251)
	at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:705)
	at java.awt.EventQueue.access$000(EventQueue.java:101)
	at java.awt.EventQueue$3.run(EventQueue.java:666)
	at java.awt.EventQueue$3.run(EventQueue.java:664)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:675)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:211)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:128)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:117)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:113)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:105)
	at java.awt.EventDispatchThread.run(EventDispatchThread.java:90)

package Plan;


import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Rectangle;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.imageio.ImageIO;
import javax.swing.JFrame;

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

/*
 * Plan.java
 *
 * Created on Oct 4, 2011, 5:52:16 PM
 */
/**
 *
 * @author Konrad
 */
public class Plan extends JFrame
{
  private int rectWidth;
  private int rectHeight;
  private int a;    //for button clicks
  private int x = 0, y = 0;
  private int rectCount;
  private int shelfCount;
  private int displays;
    

  private final int planWidth = 1200;
  private final int planHeight = 1200;
  private int shelfWidth; 
  private final int shelfHeight = 10;
  

  
  private Rectangle[] rect = new Rectangle[100];
  private Rectangle[] shelfRect = new Rectangle[100];
  private Rectangle[] planDisplay = new Rectangle[2];

  private BufferedImage[] bi = new BufferedImage[1];
  
  Face[] face = new Face[rectCount];
  Shelf[] shelf = new Shelf[shelfCount];
  Displays[] display = new Displays[displays];

    /** Creates new form Plan */
    public Plan() throws IOException
    {	   
        initComponents();
       
        
    }
    
    public boolean planDisplay()
    {

             try
                    {
		   FileInputStream fin = new FileInputStream("F:/Netbeans/NetbeansProjects/Plan/build/plans/Displays.txt");
		   ObjectInputStream ois = new ObjectInputStream(fin);
                   
                   displays = ois.readInt();
                   display = new Displays[displays];
                   for(int i = 0; i < displays; i++)
                   {

                            display[i] = (Displays) ois.readObject();

                   }

		   ois.close();
 System.out.println("Display Done");
      //  Plan face = new Plan();
	   }catch(Exception ex){
		   ex.printStackTrace();
	   } 
            
            
                
                for(int i = 0; i < displays; i++)
                {
                    planDisplay[i] = new Rectangle(this.display[i].x, this.display[i].y, this.display[i].w, this.display[i].h);

                }  
        return true;        
           
    }
    
    public boolean addRect() throws IOException
    {
        if(a == 0)
        {
                    try
                    {
		   FileInputStream fin = new FileInputStream("F:/Netbeans/NetbeansProjects/Plan/build/plans/Face.txt");
		   ObjectInputStream ois = new ObjectInputStream(fin);
                   
                   rectCount = ois.readInt();
                   face = new Face[rectCount];
                   for(int i = 0; i < rectCount; i++)
                   {
                       face[i] = (Face) ois.readObject();
                   }
		   ois.close();
               System.out.println("Face Done");

	   }catch(Exception ex){
		   ex.printStackTrace();
	   } 
                              for(int i = 0; i < rectCount; i++)
           {
        	rect[i] = new Rectangle(this.face[i].x, this.face[i].y,this.face[i].w, this.face[i].h);
           }
                  return true;
        }
        else if(a % 2 == 0)
        {
          for(int i = 0; i < rectCount; i++)
           {
        	rect[i] = new Rectangle(this.face[i].x, this.face[i].y,this.face[i].w, this.face[i].h);
           }
                  return true;
        }

        
        else
        {
           
            for(int i = 0; i < rectCount; i++)
            {
                bi[i] = ImageIO.read(this.face[i].f);
               rect[i] = new Rectangle(this.face[i].x, this.face[i].y,this.face[i].w, this.face[i].h);
            }
            return false;
        }

    }

***NOTE*** This is not all the code, just the code that is used... If I need to add anything else I will if asked...

[Paul Clapham]

If you look at the whole stack trace you will see what line of code threw that exception. That information is far, far, far more useful than just the description of the exception. So start looking there.

However I expect the message means what it says. Quite likely you have pointed the image-reader at a file which doesn't exist, or something like that.

[Jay Orsaw]

Paul Clapham wrote:If you look at the whole stack trace you will see what line of code threw that exception. That information is far, far, far more useful than just the description of the exception. So start looking there.

However I expect the message means what it says. Quite likely you have pointed the image-reader at a file which doesn't exist, or something like that.

Sorry, I edited my post...


It has to do where the image is being buffered. It just isn't being serialized... I could read the image into the Plan class, but I want the image to be associated with the faces themselves, there will probably be many pictures per face later on.

[Paul Clapham]

I'm sorry, but I don't see anywhere that an image is being serialized.

Perhaps you thought that serializing a File object would also transfer the contents of that file? No. Here's what the documentation for java.io.File says:

An abstract representation of file and directory pathnames.

So that's what a File is. It's a path name. Nothing about the contents.

[Jay Orsaw]

Paul Clapham wrote:I'm sorry, but I don't see anywhere that an image is being serialized.

Perhaps you thought that serializing a File object would also transfer the contents of that file? No. Here's what the documentation for java.io.File says:

An abstract representation of file and directory pathnames.

So that's what a File is. It's a path name. Nothing about the contents.

Okay, I was kind of figuring that was the reason... So how would I go about doing this then? How can I bind a picture, or set of pictures into the class, or be able to get it to serialize?

[Paul Clapham]

You want to serialize the data, not just the name of the file, right? So where in your code do you have some data which constitutes images?

[Jay Orsaw]

Paul Clapham wrote:You want to serialize the data, not just the name of the file, right? So where in your code do you have some data which constitutes images?

I was just thinking that maybe I should buffer the image in, and then serialize it? Sorry I'm confused :). I guess I wasn't sure how to read the file in, but I guess using the buffered image it should serialize?

[Jay Orsaw]

Okay so now I get

java.io.NotSerializableException: java.awt.image.BufferedImage
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1180)
	at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1528)
	at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1493)
	at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1416)
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1174)
	at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:346)
	at Plan.Face.serializeFace(Face.java:143)
	at Plan.Face.main(Face.java:111)

I looked it up and found that BufferedImage cannot be serialized(Damn wish I looked this up beforehand) and I was reading that you might have to convert it? I also read here that you can make a class to get the information of the picture and send it over?
http://www.rhinocerus.net/forum/lang-java-programmer/569808-what-options-serializing-bufferedimage.html

public void serializeFace()
   {
 /*Buffer Face Class Data Into a file*/
 


int x = 0;
int y = 40;
int w = 100;
int h = 100;
int i = 10;
Face[] face = new Face[i];
BufferedImage[] b = new BufferedImage[i];

	   try{
 
		FileOutputStream fout = new FileOutputStream("F:/Netbeans/NetbeansProjects/Shelf Logic/build/plans/Face.txt");
		ObjectOutputStream oos = new ObjectOutputStream(fout);  
                oos.writeInt(i);

                for(int j = 0; j < i; j++)
                {
                    File[] f = new File[i];
                    f[j] = new File("F:/Netbeans/NetbeansProjects/Shelf Logic/build/images/" +j+ ".jpg");
                                    b[j] = ImageIO.read(f[j]);
                    if(j < 5)
                        {
                        oos.writeObject(new Face(b[j], x, y, w, h));
                        oos.
                        x = w + x + 10;
                        }
               
                    else if(j == 5)
                            {
                                y = w +50;
                                x = 0;
                                oos.writeObject(new Face(b[j],x, y, w, h));
                            }
                    else
                    {
                        x = w + x + 10;
                        oos.writeObject(new Face(b[j],x, y, w, h));
                    }
                }
                oos.flush();
		oos.close();
		System.out.println("Face Done");
 
	   }catch(Exception ex){
		   ex.printStackTrace();
	   }
   }

}