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Java > Java SE, EE, ME > javax > servlet > ServletOutputStream

javax.servlet
Class ServletOutputStream

java.lang.Object
  extended byjava.io.OutputStream
      extended byjavax.servlet.ServletOutputStream
See Also:
Top Examples, Source Code, ServletResponse.getOutputStream() 
public void print(boolean b)
           throws IOException
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[357]File Download Servlet
By Anonymous on 2005/04/07 12:57:00  Rate
import javax.servlet.http.*; 
 import javax.servlet.*; 
 import javax.servlet.ServletOutputStream; 
 import java.io.*; 
  
  
 public class FileDownloadServlet extends HttpServlet {  
  
  
 public void doGet ( HttpServletRequest req, HttpServletResponse res )   
 throws ServletException, IOException 
  {  
     String docSid = null; 
     String fullName = null; 
     String name = null; 
     ServletOutputStream out = res.getOutputStream (  ) ; 
  
  
     String fullName = "fileToBeDownloaded.xxx"; 
  
  
     String pathName = getServletContext (  ) .getRealPath ( "/" + fullName ) ; 
     String contentType = getServletContext (  ) .getMimeType ( pathName ) ; 
  
  
     if  ( contentType != null )  
         res.setContentType ( contentType ) ; 
     else 
         res.setContentType ( "application/octet-stream" ) ; 
  
  
     res.setHeader  ( "Content-Disposition", "attachment; filename=\"" + name + "\"" ) ; 
     FileInputStream fis = null; 
  
  
     // Return the file 
     try  {  
         fis = new FileInputStream ( fullName ) ; 
         byte [  ]  buf = new byte [ 4 * 1024 ] ; // 4K buffer 
         int bytesRead; 
         while  (  ( bytesRead = fis.read ( buf )  )  != -1 )  
             out.write ( buf, 0, bytesRead ) ; 
      }  
     catch  ( FileNotFoundException e )   {  
         out.println ( "File not found: " + fullName ) ; 
      }  
     catch  ( IOException e )   {  
         out.println ( "Problem sending file " + pathName + ": " + e.getMessage (  )  ) ; 
      }  
     finally  {  
         if  ( fis != null )  
             fis.close (  ) ; 
      }  
  }  
  
  
  } 
public void print(char c)
           throws IOException
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public void print(double d)
           throws IOException
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public void print(float f)
           throws IOException
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public void print(int i)
           throws IOException
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public void print(String s)
           throws IOException
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public void print(long l)
           throws IOException
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public void println()
             throws IOException
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public void println(boolean b)
             throws IOException
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public void println(char c)
             throws IOException
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public void println(double d)
             throws IOException
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public void println(float f)
             throws IOException
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public void println(int i)
             throws IOException
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public void println(String s)
             throws IOException
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public void println(long l)
             throws IOException
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protected ServletOutputStream()
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[672]Upload Servlet
By Anonymous on 2004/02/24 09:37:48  Rate
import java.io.BufferedInputStream; 
 import java.io.IOException; 
  
  
 import javax.servlet.ServletException; 
 import javax.servlet.ServletOutputStream; 
 import javax.servlet.http.HttpServlet; 
 import javax.servlet.http.HttpServletRequest; 
 import javax.servlet.http.HttpServletResponse; 
  
  
 public class UploadServlet extends HttpServlet {  
   public void doPost (  HttpServletRequest request, 
     HttpServletResponse response  )  
   throws ServletException, IOException {  
     ServletOutputStream out = response.getOutputStream (  ) ; 
     BufferedInputStream in = 
         new BufferedInputStream ( request.getInputStream (  )  ) ; 
     out.println ( request.getHeader ( "content-type" )  ) ; 
     int c = -1; 
     while  (   ( c=in.read (  )  )   > = 0  ) out.write (  c  ) ; 
     out.close (  ) ; 
    }  
  } 

[1127]Download file
By Khurram Chaudhry on 2004/11/19 15:47:18  Rate
response.setContentType ( "application/download" ) ; 
         response.setHeader (  
           "Content-disposition", 
           "filename=" + FILE_NAME ) ; 
  
  
         byte [  ]  b = rep.getBytes (  ) ; 
         response.getOutputStream (  ) .write ( b, 0, b.length ) ;
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