Barcode EAN 13 

Barcode4J is a free and flexible Java library for Barcode generation. This requires the libraries barcode4j.jar, avalon-framework-4.2.0.jar to be in classpath. The following example shows generating EAN 13 Barcode.

File Name  :   com/bethecoder/tutorials/barcode4j/EAN13Test.java  Author  :   Sudhakar KV Email  :   [email protected]

package com.bethecoder.tutorials.barcode4j; import java.awt.image.BufferedImage; import java.io.FileOutputStream; import java.io.IOException; import java.io.OutputStream; import org.apache.avalon.framework.configuration.Configuration; import org.apache.avalon.framework.configuration.ConfigurationException; import org.apache.avalon.framework.configuration.DefaultConfiguration; import org.krysalis.barcode4j.BarcodeException; import org.krysalis.barcode4j.BarcodeGenerator; import org.krysalis.barcode4j.BarcodeUtil; import org.krysalis.barcode4j.output.bitmap.BitmapCanvasProvider; public class EAN13Test {   /**    * @param args    * @throws BarcodeException     * @throws ConfigurationException     * @throws IOException     */   public static void main(String[] args) throws ConfigurationException, BarcodeException, IOException {     BarcodeUtil util = BarcodeUtil.getInstance();     BarcodeGenerator gen = util.createBarcodeGenerator(buildCfg("ean-13"));     OutputStream fout = new FileOutputStream("ean-13.jpg");     int resolution = 200;     BitmapCanvasProvider canvas = new BitmapCanvasProvider(         fout, "image/jpeg", resolution, BufferedImage.TYPE_BYTE_BINARY, false, 0);     gen.generateBarcode(canvas, "400763000011");     canvas.finish();   }   private static Configuration buildCfg(String type) {     DefaultConfiguration cfg = new DefaultConfiguration("barcode");     //Bar code type     DefaultConfiguration child = new DefaultConfiguration(type);       cfg.addChild(child);            //Human readable text position       DefaultConfiguration attr = new DefaultConfiguration("human-readable");       DefaultConfiguration subAttr = new DefaultConfiguration("placement");         subAttr.setValue("bottom");         attr.addChild(subAttr);                  child.addChild(attr);     return cfg;   } }