inputshape.java

来自「自己写的一个Java画图板程序 支持鼠标拖动图形 选中图形 改变颜色等 推荐使用」· Java 代码 · 共 58 行

package project;


import java.io.EOFException;
import java.io.FileInputStream;
import java.io.ObjectInputStream;
import java.util.ArrayList;

import javax.swing.JOptionPane;

//从文件中输入图形
public class InputShape 
{
	//从指定的文件中读取shape对象,并把这些对象添加到一个指定的链表中
	public void input(String sourceFile, ArrayList<Shape> arrayList)
	{
		
		
		
		try {
			
			FileInputStream fileInputStream = new FileInputStream(sourceFile);
			
			ObjectInputStream objectInputStream = new ObjectInputStream(fileInputStream);
			
			
			
			Object inputObject;
			
			while((inputObject = objectInputStream.readObject()) != null)
				{
					Shape shape = (Shape)(inputObject);
					
					arrayList.add(shape);
				}
			
			
			objectInputStream.close();
			
		} 
		
		catch(EOFException e)
		{
			
		}
		
		catch (Exception e) {
			
			
			JOptionPane.showMessageDialog(null, "Failed To Load The File");
		}
		
		
	}
	

}