title: google.zxing barcode generator in iReport
body: <p>I want put a barcode in my page and can preview it. The barcode generator is <strong>google.zxing</strong> and my reporting tool is <strong>iReport</strong>.</p>
  
  <p>But i dont know, how to configure <code>Image Expression</code> and <code>Expression Class</code> of an image in <strong>iReport</strong>.</p>