Download C++ Complete Reference Free

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Vj Ali
SE
SInnovations

Download Java2 Complete Refernece Book 5th Edition

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SInnovations

Download J2ME Complete Reference

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Using Urdu in Java

Other day someone asked me how to use Urdu fonts in Java. So for a sample java program that uses urdu font, you need to do following:

1. Download Nafees Nastaleeq Urdu font from CRULP.

2. Copy the font in C:\WINDOWS\Fonts folder

3. Create following java program. It should display "Usman" in Urdu.


import java.awt.*;
import javax.swing.*;

public class BasicDraw {
public static void main(String[] args) {
new BasicDraw();
}
BasicDraw() {
// Create a frame
JFrame frame = new JFrame();

// Add a component with a custom paint method
frame.getContentPane().add(new MyComponent());

// Display the frame
int frameWidth = 200;
int frameHeight = 200;
frame.setSize(frameWidth, frameHeight);
frame.setVisible(true);
}

class MyComponent extends JComponent {
// This method is called whenever the contents needs to be painted
public void paint(Graphics g) {
int style = Font.PLAIN;
int size = 24;
Font font = null;
font = new Font("Nafees Nastaleeq", style, size);
String text = "\u0639\u062b\u0645\u0627\u0646";
g.setFont(font);

// Draw a string such that its base line is at x, y
int x = 80;
int y = 40;
g.drawString(text, x, y);
}
}
}


4. The resulting image should look like:

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Convert word,excel an power point to PDF using JAVA API

Today i will Let you guys now how to convert the word,powerpoint,excel formats to PDF.

Apache has a Java API, called POI, that allows you to access Microsoft formats from within Java. It looks handy, but I found some people complaining about the complexity of it. Some further searching turned up mention of something called JODConverter. This is a fantastic project.

JODConverter is essentially a Java library that utilizes OpenOffice’s conversion engine to convert to and from any format that OpenOffice supports. This includes Word, Excel, PowerPoint, RTF, Plain Text, etc.

I decided to see how easy it was going to be to use this library. Let’s face it, a lot of these open source projects claim to do all kinds of great things, but do not provide the greatest results. So, I created a small test project and wrote a simple class. Here’s what it looks like:

public class convertFile {
  public static void main(String[] args) {
     File inputFile = new File("resume-2.doc");

      File outputFile = new File("resume-2.pdf");

     OpenOfficeConnection connection = new SocketOpenOfficeConnection(8100);

     try {

        connection.connect();

     } catch(Exception e) {

     }

    DocumentConverter converter = new OpenOfficeDocumentConverter(connection);

     converter.convert(inputFile, outputFile);

    connection.disconnect();

  }

}

Obviously, there’s error-checking that is lacking. For example, the convert() method should be wrapped to ensure that a failed conversion doesn’t blow up your application, and something should be done if an exception is caught on the connection. However, this is the basic skeleton. Pretty cool.

Basically, all this does is open a connection to OpenOffice, create a converter, and pass in the files to convert. JODConverter and OpenOffice handle everything else.

The only caveat to this is that OpenOffice must be installed on the server and must be running as a headless app (the JODConverter README file explains how to do this). While that may not be ideal, it’s probably worth it for the amazing results this library provides.

Great tool, highly recommended.

Regards,
Ali Vajahat
Software Engineer
Software Innovations
Lahore Pakistan

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