package?com.jspsmart.upload;

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;

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?fileToField（ResultSet?rs?String?columnName）

??????throws?SQLException?SmartUploadException?IOException?ServletException

??{

????long?numBlocks?=?0L;

????int?blockSize?=?0x10000;

????int?leftOver?=?0;

????int?pos?=?0;

????if?（rs?==?null）

??????throw?new?IllegalArgumentException（“The?RecordSet?cannot?be?null?（1145）.“）;

????if?（columnName?==?null）

??????throw?new?IllegalArgumentException（
??????????“The?columnName?cannot?be?null?（1150）.“）;

????if?（columnName.length（）?==?0）

??????throw?new?IllegalArgumentException（
??????????“The?columnName?cannot?be?empty?（1155）.“）;

????numBlocks?=

????????BigInteger.valueOf（m_size）.divide（BigInteger.valueOf（blockSize））.
????????longValue（）;

????leftOver?=

????????BigInteger.valueOf（m_size）.mod（BigInteger.valueOf（blockSize））.intValue（）;

????try

????{

??????for?（int?i?=?1;?（long）?i?
??????{

????????rs.updateBinaryStream（

????????????columnName

????????????new?ByteArrayInputStream（m_parent.m_binArray?pos?blockSize）

????????????blockSize）;

????????pos?=?pos?!=?0???pos?:?1;

????????pos?=?i?*?blockSize;

??????}

??????if?（leftOver?>?0）

????????rs.updateBinaryStream（

????????????columnName

????????????new?ByteArrayInputStream（m_parent.m_binArray?pos?leftOver）

????????????leftOver）;

????}

????catch?（SQLException?e）

????{

??????byte?binByte2[]?=?new?byte[m_size];

??????System.arraycopy（m_parent.m_binArray?m_startData?binByte2?0?m_size）;

??????rs.updateBytes（columnName?binByte2）;

????}

????catch?（Exception?e）

????{

??????throw?new?