JspSmart之upload组件源码及使用

答案：JspSmart之upload组件源码主要包括了5个java文件 
File.java
import java.io.ByteArrayInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.math.BigInteger;
import java.sql.ResultSet;
import java.sql.SQLException;
import javax.servlet.ServletException;
// Referenced classes of package com.jspsmart.upload:
// SmartUploadException, SmartUpload
public class File
{
private SmartUpload m_parent;
private int m_startData;
private int m_endData;
private int m_size;
private String m_fieldname;
private String m_filename;
private String m_fileExt;
private String m_filePathName;
private String m_contentType;
private String m_contentDisp;
private String m_typeMime;
private String m_subTypeMime;
private String m_contentString;
private boolean m_isMissing;
public static final int SAVEAS_AUTO = 0;
public static final int SAVEAS_VIRTUAL = 1;
public static final int SAVEAS_PHYSICAL = 2;
File()
{
m_startData = 0;
m_endData = 0;
m_size = 0;
m_fieldname = new String();
m_filename = new String();
m_fileExt = new String();
m_filePathName = new String();
m_contentType = new String();
m_contentDisp = new String();
m_typeMime = new String();
m_subTypeMime = new String();
m_contentString = new String();
m_isMissing = true;
}
public void saveAs(String s)
throws IOException, SmartUploadException
{
saveAs(s, 0);
}
public void saveAs(String s, int i)
throws IOException, SmartUploadException
{
String s1 = new String();
s1 = m_parent.getPhysicalPath(s, i);
if(s1 == null)
throw new IllegalArgumentException("There is no specified destination file (1140).");
try
{
java.io.File file = new java.io.File(s1);
FileOutputStream fileoutputstream = new FileOutputStream(file);
fileoutputstream.write(m_parent.m_binArray, m_startData, m_size);
fileoutputstream.close();
}
catch(IOException ioexception)
{
throw new SmartUploadException("File can't be saved (1120).");
}
}
public void fileToField(ResultSet resultset, String s)
throws ServletException, IOException, SmartUploadException, SQLException
{
long l = 0L;
int i = 0x10000;
int j = 0;
int k = m_startData;
if(resultset == null)
throw new IllegalArgumentException("The RecordSet cannot be null (1145).");
if(s == null)
throw new IllegalArgumentException("The columnName cannot be null (1150).");
if(s.length() == 0)
throw new IllegalArgumentException("The columnName cannot be empty (1155).");
l = BigInteger.valueOf(m_size).divide(BigInteger.valueOf(i)).longValue();
j = BigInteger.valueOf(m_size).mod(BigInteger.valueOf(i)).intValue();
try
{
for(int i1 = 1; (long)i1 < l; i1++)
{
resultset.updateBinaryStream(s, new ByteArrayInputStream(m_parent.m_binArray, k, i), i);
k = k != 0 ? k : 1;
k = i1 * i + m_startData;
}
if(j > 0)
resultset.updateBinaryStream(s, new ByteArrayInputStream(m_parent.m_binArray, k, j), j);
}
catch(SQLException sqlexception)
{
byte abyte0[] = new byte[m_size];
System.arraycopy(m_parent.m_binArray, m_startData, abyte0, 0, m_size);
resultset.updateBytes(s, abyte0);
}
catch(Exception exception)
{
throw new SmartUploadException("Unable to save file in the DataBase (1130).");
}
}
public boolean isMissing()
{
return m_isMissing;
}
public String getFieldName()
{
return m_fieldname;
}
public String getFileName()
{
return m_filename;
}
public String getFilePathName()
{
return m_filePathName;
}
public String getFileExt()
{
return m_fileExt;
}
public String getContentType()
{
return m_contentType;
}
public String getContentDisp()
{
return m_contentDisp;
}
public String getContentString()
{
String s = new String(m_parent.m_binArray, m_startData, m_size);
return s;
}
public String getTypeMIME()
throws IOException
{
return m_typeMime;
}
public String getSubTypeMIME()
{
return m_subTypeMime;
}
public int getSize()
{
return m_size;
}
protected int getStartData()
{
return m_startData;
}
protected int getEndData()
{
return m_endData;
}
protected void setParent(SmartUpload smartupload)
{
m_parent = smartupload;
}
protected void setStartData(int i)
{
m_startData = i;
}
protected void setEndData(int i)
{
m_endData = i;
}
protected void setSize(int i)
{
m_size = i;
}
protected void setIsMissing(boolean flag)
{
m_isMissing = flag;
}
protected void setFieldName(String s)
{
m_fieldname = s;
}
protected void setFileName(String s)
{
m_filename = s;
}
protected void setFilePathName(String s)
{
m_filePathName = s;
}
protected void setFileExt(String s)
{
m_fileExt = s;
}
protected void setContentType(String s)
{
m_contentType = s;
}
protected void setContentDisp(String s)
{
m_contentDisp = s;
}
protected void setTypeMIME(String s)
{
m_typeMime = s;
}
protected void setSubTypeMIME(String s)
{
m_subTypeMime = s;
}
public byte getBinaryData(int i)
{
if(m_startData + i > m_endData)
throw new ArrayIndexOutOfBoundsException("Index Out of range (1115).");
if(m_startData + i <= m_endData)
return m_parent.m_binArray[m_startData + i];
else
return 0;
}
}

Files.java
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 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();
}
}

Request.java
import java.util.Enumeration;
import java.util.Hashtable;
public class Request
{
private Hashtable m_parameters;
private int m_counter;
Request()
{
m_parameters = new Hashtable();
m_counter = 0;
}
protected void putParameter(String s, String s1)
{
if(s == null)
throw new IllegalArgumentException("The name of an element cannot be null.");
if(m_parameters.containsKey(s))
{
Hashtable hashtable = (Hashtable)m_parameters.get(s);
hashtable.put(new Integer(hashtable.size()), s1);
} else
{
Hashtable hashtable1 = new Hashtable();
hashtable1.put(new Integer(0), s1);
m_parameters.put(s, hashtable1);
m_counter++;
}
}
public String getParameter(String s)
{
if(s == null)
throw new IllegalArgumentException("Form's name is invalid or does not exist (1305).");
Hashtable hashtable = (Hashtable)m_parameters.g

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