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106 lines
3.2 KiB
Java
106 lines
3.2 KiB
Java
Sending a file from Applet to Servlet
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import java.awt.*;
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import java.awt.event.*;
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import java.net.*;
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import java.io.*;
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import javax.swing.*;
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public class TestApplet extends JApplet implements ActionListener
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{
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JButton jbutton = null;
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public void init()
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{
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jbutton = new JButton("Send file");
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jbutton.addActionListener(this);
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this.getContentPane().add(jbutton);
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}
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public void actionPerformed(ActionEvent ae)
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{
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if(ae.getSource() == jbutton)
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{
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try
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{
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File file = new File("C:\uma.txt");
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FileInputStream in = new FileInputStream(file);
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byte[] buf=new byte[in.available()];
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int bytesread = 0;
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String toservlet = "http://localhost:8080/servlet/MyServlet";
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URL servleturl = new URL(toservlet);
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URLConnection servletconnection = servleturl.openConnection();
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servletconnection.setDoInput(true);
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servletconnection.setDoOutput(true);
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servletconnection.setUseCaches(false);
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servletconnection.setDefaultUseCaches(false);
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DataOutputStream out=new DataOutputStream(servletconnection.getOutputStream());
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while( (bytesread = in.read( buf )) > -1 )
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{
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out.write( buf, 0, bytesread );
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}
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out.flush();
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out.close();
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in.close();
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DataInputStream inputFromClient = new DataInputStream(servletconnection.getInputStream());
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//get what you want from servlet
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//.......
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inputFromClient.close();
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}
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catch(Exception e)
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{
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e.printStackTrace();
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}
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}
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}
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}
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import javax.servlet.*;
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import javax.servlet.http.*;
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import java.io.*;
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public class MyServlet extends HttpServlet
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{
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public void doPost(HttpServletRequest req,HttpServletResponse res)
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{
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ServletContext sc = this.getServletContext();
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try
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{
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String fileName = "uma.txt";
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String path = sc.getRealPath(File.separator)+fileName;
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File yourFile = new File(path);
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FileOutputStream toFile = new FileOutputStream( yourFile );
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DataInputStream fromClient = new DataInputStream( req.getInputStream() );
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byte[] buff = new byte[1024];
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int cnt = 0;
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while( (cnt = fromClient.read( buff )) > -1 ) {
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toFile.write( buff, 0, cnt );
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}
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toFile.flush();
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toFile.close();
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fromClient.close();
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}
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catch(Exception e)
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{
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e.printStackTrace();
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}
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}
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}
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