Blackberry - method to read resource text file (in res directory)

StringUtilities.java

/**
 * I use this method to get contents of JSON formatted file that I put into res 
 * directory to deliver default data for my application.
 * Visit my blog at http://web.durianapp.com
 */

    public static String getResFileContent(String filename) {
        InputStream is = null;
 
        try {
            if (klas == null) {
                klas = Class.forName("com.durianapp.brandapp.BrandApp");
            }
            is = klas.getResourceAsStream(filename);
            byte[] bytes = new byte[1024];
            int len = 0;
            StringBuffer buf = new StringBuffer();
            while ((len = is.read(bytes)) != -1) {
                buf.append(new String(bytes, 0, len));
            }
            return buf.toString();
        } catch(Exception ex) {
            System.out.println("Error: " + ex.toString());
            return "";
        } finally {
            try {
                if (is != null) is.close();
            } catch (Exception e) {
                System.out.println("Ex: "+e.getMessage());
            }
        }
    }