How To Send HTTP Request GET/POST In JavaIn this article, we will show you two examples to make HTTP GET/POST request via following APIs1.   Standard HttpURLConnection.2.   Apache HttpClient library.1. Java HttpURLConnection exampleThis example uses HttpURLConnection (http) and HttpsURLConnection (h…[ More ]

Graphical Ftp clientimport java.awt.BorderLayout;import java.awt.Color;import java.awt.Cursor;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.awt.event.WindowAdapter;import java.awt.event.WindowEvent;import java.awt.event.WindowListener;import java.io.File;import j…[ More ]

FTP clientimport java.io.File;import java.io.FileOutputStream;import java.io.IOException;import java.net.SocketException;import java.io.File;import org.eclipse.jface.dialogs.Dialog;import org.eclipse.jface.dialogs.DialogSettings;import org.eclipse.swt.SWT;import org.eclipse.swt.layout.GridData;impor…[ More ]

Thread: JTree and FTP  JTree and FTP•   Hello . I am trying to set a ftp list into jtree but jtree appears empty . Here is my codeJava Code:   import java.io.IOException;import java.net.SocketException;import java.util.*; import javax.swing.JFrame;import javax.swing.JPanel;import javax.swing.JTree…[ More ]

Send image file using java HTTP POST connectionsI'm trying to send an image to a website using Java HTTP POST requests.I'm using the base code used here Upload files with java:This is my modification:String urlToConnect = "http://localhost:9000/upload";File fileToUpload = new File("C:\\Users\\joao\\…[ More ]

factorialimport java.awt.*; import java.awt.event.*; import javax.swing.*; import javax.swing.event.*; /** * Summary description for fac * */ public class fac extends JFrame {   // Variables declaration   private JTabbedPane jTabbedPane1;   private JPanel co…[ More ]

Upload a FileThe following tasks guide you through using the low-level Java classes to upload a file.Low-Level API File Uploading Process1Create an instance of the AmazonS3Client class, by providing your AWS credentials.2Initiate multipart upload by executing the AmazonS3Client.initiateMultipartUplo…[ More ]

Java HttpURLConnection follow redirect exampleThe HttpURLConnection‘s follow redirect is just an indicator, in fact it won’t help you to do the “realâ€Â� http redirection, you still need to handle it manually.URL obj = new URL(url);HttpURLConnection conn = (HttpURLConnection) obj.openConnection…[ More ]

iText in Action  import java.io.FileInputStream;import java.io.FileOutputStream;import java.io.IOException;import java.io.InputStream;import java.io.PrintWriter;import java.security.GeneralSecurityException;import java.security.KeyStore;import java.security.PrivateKey;import java.security.Security;i…[ More ]

File Encryption and Decryption using PBEPassword-Based Encryption (PBE) derives an encryption key from a password. In order to make the task of getting from password to key very time-consuming for an attacker, most PBE implementations (as the one shown below) will mix in a random number, known as a …[ More ]

Encryption/Decryption of files in java.1.import java.io.FileInputStream;2.import java.io.FileOutputStream;3.import java.io.InputStream;4.import java.io.OutputStream;5.import java.security.Key;6.import java.security.KeyPair;7.import java.security.KeyPairGenerator;8.import java.security.NoSuchAlgorith…[ More ]

Encrypting and Decrypting a file Today I am going to discuss how you can encrypt any file in Java.For encryption we need a key based on which the encryption will be done. Not only that, I will also show how you can decrypt that file and get back the original one. The encryption algorithm can be chos…[ More ]

Creating and Verifying Digital Signatures Web DevelopmentinShare. Share on reddit  Permalink Creating and Verifying Digital SignaturesBy Rafael Palacios and David de la Fuente, January 08, 2009Post a Comment A straightforward method for creating and verifying digital signatures in HTML formsServer-s…[ More ]

Capture Image from Camera and Display in Activity MyCameraActivity.javapublic class MyCameraActivity extends Activity {  private static final int CAMERA_REQUEST = 1888;   private ImageView imageView;  @Override  public void onCreate(Bundle savedInstanceState) {  super.onCreate(savedInstanceState);  …[ More ]

How to create a semantic search  //connected to DB  foreach (array('questioncontent') as $varname) {  $questioncontent = (isset($_POST[$varname])) ? $_POST[$varname] : '';  }  ?>  Search for a previous question by entering in a phrase in the search box below and submitting the phraseSearch: …[ More ]

How to find hostname from IP Address?Solution:Following example shows how to change the host name to its specific IP address with the help of InetAddress.getByName() method of net.InetAddress class.import java.net.InetAddress;public class Main {  public static void main(String[] argv) throws Excepti…[ More ]

How to get IP address of a Host in Java?Description: You can get IP address of any host by using InetAddress class. By calling getByName() method with host name as parameter, it returns InetAddress object. On this object you can call getHostAddress() method to get the IP address of the given host. C…[ More ]

How do I send an email with attachmentpackage org.kodejava.example.mail;import javax.activation.DataHandler;import javax.activation.FileDataSource;import javax.mail.*;import javax.mail.internet.InternetAddress;import javax.mail.internet.MimeBodyPart;import javax.mail.internet.MimeMessage;import java…[ More ]

Download All Email With Attachment Form Gmail Using Java MailCode :-import java.io.*;import java.util.Properties;import javax.mail.*;import javax.mail.internet.*;public class DownloadEmailWithAttachment {  public static void main (String args[]) throws Exception {     // gmail pop3 host name     Str…[ More ]

 A Client to Send SMTP Mail   import java.awt.*;import javax.swing.*;/** * Example program from Chapter 1 Programming Spiders, Bots and Aggregators in * Java Copyright 2001 by Jeff Heaton *  * SendMail is an example of client sockets. This program presents a simple * dialog box that prompts the user…[ More ]