package org.zkoss.bug;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.util.logging.Level;
import java.util.logging.Logger;

import org.zkoss.zk.ui.Component;
import org.zkoss.zk.ui.Page;
import org.zkoss.zk.ui.metainfo.ComponentInfo;
import org.zkoss.zk.ui.select.SelectorComposer;

public class Serialization1 extends SelectorComposer<Component> {

	private static final long serialVersionUID = 1L;

	final static Logger	log = Logger.getLogger(Serialization1.class.getName());

	@Override
	public ComponentInfo doBeforeCompose(Page page, Component parent, ComponentInfo compInfo) {
        try {
            // Write the object out to a byte array
            ByteArrayOutputStream bos = new ByteArrayOutputStream();
            ObjectOutputStream out = new ObjectOutputStream(bos);
            out.writeObject(compInfo);
            out.flush();
            out.close();
            
            // Make an input stream from the byte array and read
            // a copy of the object back in.
            byte[] data = bos.toByteArray();
            log.info("serialized data length: "+data.length);
            ObjectInputStream in = new ObjectInputStream(new ByteArrayInputStream(data));
            ComponentInfo restored = (ComponentInfo)in.readObject();
        } catch(Exception e) {
        	log.log(Level.SEVERE, "Exception during seralizing object "+compInfo+": "+e.getMessage(), e);
        	throw new RuntimeException("Error seralizing object: "+e.getMessage(), e);
        }
		return super.doBeforeCompose(page, parent, compInfo);
	}
}