file.java

JSP聊天系统

package org.ehotsoft.yekki.upload;

import java.io.ByteArrayInputStream;
import java.io.FileOutputStream;
import java.io.IOException;

import javax.servlet.ServletException;

public class File
{
	protected Upload parent;
	protected int startData;
	protected int endData;
	protected int size;
	protected String fieldName;
	protected String fileName;
	protected String fileExt;
	protected String filePathName;
	protected String contentType;
	protected String contentDisp;
	protected String typeMime;
	protected String subTypeMime;
	protected String contentString;
	protected boolean isMissing;

	public static final int SAVEAS_AUTO = 0;
    public static final int SAVEAS_VIRTUAL = 1;
    public static final int SAVEAS_PHYSICAL = 2;

    File( ){
		
		startData = 0;
		endData = 0;
		size = 0;
		fieldName = new String( );
		fileName = new String( );
		fileExt = new String( );
		filePathName = new String( );
		contentType = new String( );
		contentDisp = new String( );
		typeMime = new String( );
		subTypeMime = new String( );
		contentString = new String( );
		isMissing = true;
    }

    public void saveAs( String destFilePathName )
        throws UploadException, IOException {

        saveAs( destFilePathName, 0 );
    }

    public void saveAs( String destFilePathName, int optionSaveAs )
        throws UploadException, IOException {

        String path = new String( );
        path = 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 );
            FileOutputStream fileOut = new FileOutputStream( file );
            fileOut.write( parent.binArray, startData, size );
            fileOut.close( );
        }
        catch( IOException e ) {

            throw new UploadException( "File can't be saved ( 1120 )." );
        }
    }

    public boolean isMissing( ) {

        return isMissing;
    }

    public String getFieldName( ){

        return fieldName;
    }

    public String getFileName( ) {

        return fileName;
    }

    public String getFilePathName( ){

        return this.filePathName;
    }

    public String getFileExt( ){

        return this.fileExt;
    }

    public String getContentType( ){

        return this.contentType;
    }

    public String getContentDisp( ){

        return this.contentDisp;
    }

    public String getContentString( ){

        String strTMP = new String( parent.binArray, startData, size );

        return strTMP;
    }

    public String getTypeMIME( )
        throws IOException {

        return typeMime;
    }

    public String getSubTypeMIME( ) {

        return this.subTypeMime;
    }

    public int getSize( ) {

        return size;
    }

    public int getStartData( ) {

        return startData;
    }

    protected int getEndData( )
    {
        return this.endData;
    }

    protected void setParent( Upload parent ) {

		this.parent = parent;
    }

    protected void setStartData( int startData ) {

        this.startData = startData;
    }

    protected void setEndData( int endData ) {

        endData = endData;
    }

    protected void setSize( int size ) {

        this.size = size;
    }

    protected void setIsMissing( boolean isMissing ) {

        this.isMissing = isMissing;
    }

    protected void setFieldName( String fieldName ) {

        this.fieldName = fieldName;
    }

    protected void setFileName( String fileName ) {

        this.fileName = fileName;
    }

    protected void setFilePathName( String filePathName ) {

        this.filePathName = filePathName;
    }

    protected void setFileExt( String fileExt ) {

        this.fileExt = fileExt;
    }

    protected void setContentType( String contentType ) {

        this.contentType = contentType;
    }

    protected void setContentDisp( String contentDisp ) {

        this.contentDisp = contentDisp;
    }

    protected void setTypeMIME( String TypeMime ) {

        this.typeMime = TypeMime;
    }

    protected void setSubTypeMIME( String subTypeMime ) {

        this.subTypeMime = subTypeMime;
    }
	
	public byte[] getBinaryData() {
		
		return parent.binArray;
	}

	public byte getBinaryData( int index ) {

        if( startData + index > endData )
            throw new ArrayIndexOutOfBoundsException( "Index Out of range ( 1115 )." );
        
		if( startData + index <= endData )
            return parent.binArray[ startData + index ];
        else
            return 0;
    }
}