private static String readFile(String fileName){
  String classMethod="UpgradeUtils:readFile : ";
  StringBuilder fileData=new StringBuilder();
  String fileString="";
  try {
    BufferedReader reader=new BufferedReader(new FileReader(fileName));
    char[] buf=new char[1024];
    int numRead=0;
    while ((numRead=reader.read(buf)) != -1) {
      String readData=String.valueOf(buf,0,numRead);
      fileData.append(readData);
      buf=new char[1024];
    }
    reader.close();
    fileString=fileData.toString();
  }
 catch (  Exception e) {
    debug.error(classMethod + "Error reading file : " + fileName);
  }
  return fileString;
}

private static String readFile ( String fileName ) { String classMethod = "UpgradeUtils:readFile : " ; StringBuilder fileData = new StringBuilder ( ) ; String fileString = "" ; try { BufferedReader reader = new BufferedReader ( new FileReader ( fileName ) ) ; char [ ] buf = new char [ 1024 ] ; int numRead = 0 ; while ( ( numRead = reader . read ( buf ) ) != - 1 ) { String readData = String . valueOf ( buf , 0 , numRead ) ; fileData . append ( readData ) ; buf = new char [ 1024 ] ; } reader . close ( ) ; fileString = fileData . toString ( ) ; } catch ( Exception e ) { debug . error ( classMethod + "Error reading file : " + fileName ) ; } return fileString ; }
reads a file into a string .
