file.java

java上传文件工具非常实用 java上传文件工具非常实用

// Decompiled by DJ v2.9.9.60 Copyright 2000 Atanas Neshkov  Date: 2002-12-23 13:30:30
// Home Page : http://members.fortunecity.com/neshkov/dj.html  - Check often for new version!
// Decompiler options: packimports(3)
// Source File Name:   File.java

package com.westerasoft.util.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 ;

// Referenced classes of package com.jspsmart.upload:
//            SmartUploadException, SmartUpload

public class File
{

     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 ;
          m_remark = new String() ;
     }


     public String getM_remark()
     {
          return m_remark ;
     }


     public void setM_remark( String m_remark )
     {
          this.m_remark = m_remark ;
     }


     public void saveAs( String destFilePathName )
             throws SmartUploadException , IOException
     {
          saveAs( destFilePathName , 0 ) ;
     }


     public void saveAs( String destFilePathName , int optionSaveAs )
             throws SmartUploadException , IOException
     {
          String path = new String() ;
          path = m_parent.getPhysicalPath( destFilePathName , optionSaveAs ) ;
          if ( path == null )
          {
               throw new IllegalArgumentException(
                       "There is no specified destination file (1140)." ) ;
          }
          try
          {
               java.io.File file = new java.io.File( path ) ;
               file.createNewFile() ;
               try
               {
                    FileOutputStream fileOut = new FileOutputStream( file ) ;
                    fileOut.write( m_parent.m_binArray , m_startData , m_size ) ;
                    fileOut.close() ;
               }
               catch ( Exception e )
               {
                    throw new IllegalArgumentException(
                            "Path's name is invalid or does not exist (1135)." ) ;
               }
          }
          catch ( IOException e )
          {
               throw new SmartUploadException( "File can't be saved (1120)." ) ;
          }
     }


     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 < numBlocks ; 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 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 strTMP = new String( m_parent.m_binArray , m_startData , m_size ) ;
          return strTMP ;
     }


     public String getTypeMIME()
             throws IOException
     {
          return m_typeMime ;
     }


     public String getSubTypeMIME()
     {
          return m_subTypeMime ;
     }


     public int getSize()
     {
          return m_size ;
     }


     public int getStartData()
     {
          return m_startData ;
     }


     public int getEndData()
     {
          return m_endData ;
     }


     protected void setParent( SmartUpload parent )
     {
          m_parent = parent ;
     }


     protected void setStartData( int startData )
     {
          m_startData = startData ;
     }


     protected void setEndData( int endData )
     {
          m_endData = endData ;
     }


     protected void setSize( int size )
     {
          m_size = size ;
     }


     protected void setIsMissing( boolean isMissing )
     {
          m_isMissing = isMissing ;
     }


     protected void setFieldName( String fieldName )
     {
          m_fieldname = fieldName ;
     }


     protected void setFileName( String fileName )
     {
          m_filename = fileName ;
     }


     protected void setFilePathName( String filePathName )
     {
          m_filePathName = filePathName ;
     }


     protected void setFileExt( String fileExt )
     {
          m_fileExt = fileExt ;
     }


     protected void setContentType( String contentType )
     {
          m_contentType = contentType ;
     }


     protected void setContentDisp( String contentDisp )
     {
          m_contentDisp = contentDisp ;
     }


     protected void setTypeMIME( String TypeMime )
     {
          m_typeMime = TypeMime ;
     }


     protected void setSubTypeMIME( String subTypeMime )
     {
          m_subTypeMime = subTypeMime ;
     }


     public byte getBinaryData( int index )
     {
          if ( m_startData + index > m_endData )
          {
               throw new ArrayIndexOutOfBoundsException( "Index Out of range (1115)." ) ;
          }
          if ( m_startData + index <= m_endData )
          {
               return m_parent.m_binArray[m_startData + index] ;
          }
          else
          {
               return 0 ;
          }
     }


     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 ;

     private String m_remark ;

     public static final int SAVEAS_AUTO = 0 ;

     public static final int SAVEAS_VIRTUAL = 1 ;

     public static final int SAVEAS_PHYSICAL = 2 ;
}