www.pudn.com > ImageRe.rar > SmartFiles.java

package com.jspsmart.upload; 
import java.io.IOException; 
import java.util.Collection; 
import java.util.Enumeration; 
import java.util.Hashtable; 
 
public class SmartFiles 
{ 
    //private SmartUpload m_parent; 
    private Hashtable m_files; 
    private int m_counter; 
 
    SmartFiles() 
    { 
        m_files = new Hashtable(); 
        m_counter = 0; 
    } 
 
    protected void addFile(SmartFile file) 
    { 
        if(file == null) 
        { 
            throw new IllegalArgumentException("newFile cannot be null."); 
        } 
        else 
        { 
            m_files.put(new Integer(m_counter),file); 
            m_counter++; 
            return; 
        } 
    } 
 
    public SmartFile getFile(int i) 
    { 
        if(i < 0) 
        { 
            throw new IllegalArgumentException("File's index cannot be a negative value (1210)."); 
        } 
        SmartFile file = (SmartFile)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(); 
    } 
}