一个jsp+servlet+mysql自动化办公系统

				// Decompiled by Jad v1.5.8g. Copyright 2001 Pavel Kouznetsov.
				// Jad home page: http://www.kpdus.com/jad.html
				// Decompiler options: packimports(3) 
				// Source File Name:   Files.java
				
				package com.jspsmart.upload;
				
				import java.io.IOException;
				import java.util.*;
				
				// Referenced classes of package com.jspsmart.upload:
				//            File, SmartUpload
				
				public class Files
				{
				
				    Files()
				    {
				        m_files = new Hashtable();
				        m_counter = 0;
				    }
				
				    protected void addFile(File file)
				    {
				        if(file == null)
				        {
				            throw new IllegalArgumentException("newFile cannot be null.");
				        } else
				        {
				            m_files.put(new Integer(m_counter), file);
				            m_counter++;
				            return;
				        }
				    }
				
				    public File getFile(int i)
				    {
				        if(i < 0)
				            throw new IllegalArgumentException("File's index cannot be a negative value (1210).");
				        File file = (File)m_files.get(new Integer(i));
				        if(file == null)
				            throw new IllegalArgumentException("Files' name is invalid or does not exist (1205).");
				        else
				            return file;
				    }
				
				    public int getCount()
				    {
				        return m_counter;
				    }
				
				    public long getSize()
				        throws IOException
				    {
				        long l = 0L;
				        for(int i = 0; i < m_counter; i++)
				            l += getFile(i).getSize();
				
				        return l;
				    }
				
				    public Collection getCollection()
				    {
				        return m_files.values();
				    }
				
				    public Enumeration getEnumeration()
				    {
				        return m_files.elements();
				    }
				
				    private SmartUpload m_parent;
				    private Hashtable m_files;
				    private int m_counter;
				}