form.java

基于eclipse的工具开发代码

package com.cownew.uidesigner.model;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.util.ArrayList;
import java.util.List;

public class Form extends Element
{

	static final long serialVersionUID = 1;

	public static String COMPONENTS = "components";

	protected List<Component> components = new ArrayList<Component>();

	public void addComponent(Component component)
	{
		components.add(component);
		fireStructureChange(COMPONENTS, components);
	}

	public void removeComponent(Component component)
	{
		components.remove(component);
		fireStructureChange(COMPONENTS, components);
	}

	public List<Component> getComponents()
	{
		return this.components;
	}

	public InputStream getAsStream() throws IOException
	{
		ByteArrayOutputStream os = new ByteArrayOutputStream();
		ObjectOutputStream out = new ObjectOutputStream(os);
		out.writeObject(this);
		out.close();
		InputStream istream = new ByteArrayInputStream(os.toByteArray());
		os.close();
		return istream;
	}

	public static Form makeFromStream(InputStream istream) throws IOException,
			ClassNotFoundException
	{
		ObjectInputStream ois = new ObjectInputStream(istream);
		Form form = (Form) ois.readObject();
		ois.close();
		return form;
	}
}