files.java

一个图片管理程序

// Decompiled by Jad v1.5.7g. Copyright 2000 Pavel Kouznetsov.
// Jad home page: http://www.geocities.com/SiliconValley/Bridge/8617/jad.html
// Decompiler options: packimports(3) fieldsfirst ansi
// 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 {
    private SmartUpload m_parent;
    private Hashtable m_files;
    private int m_counter;

    Files() {
        m_files = new Hashtable();
        m_counter = 0;
    }

    protected void addFile(File newFile) {
        if(newFile == null) {
            throw new IllegalArgumentException("newFile cannot be null.");
        } else {
            m_files.put(new Integer(m_counter), newFile);
            m_counter++;

            return;
        }
    }

    public File getFile(int index) {
        if(index < 0) {
            throw new IllegalArgumentException("File's index cannot be a negative value (1210).");
        }

        File retval = (File)m_files.get(new Integer(index));

        if(retval == null) {
            throw new IllegalArgumentException("Files' name is invalid or does not exist (1205).");
        } else {
            return retval;
        }
    }

    public int getCount() {
        return m_counter;
    }

    public long getSize() throws IOException {
        long tmp = 0L;

        for(int i = 0; i < m_counter; i++) {
            tmp += getFile(i).getSize();
        }

        return tmp;
    }

    public Collection getCollection() {
        return m_files.values();
    }

    public Enumeration getEnumeration() {
        return m_files.elements();
    }
}