예제 #1
0
 /**
  * The <code>verifyFileExists()</code> method verifies that the specified file exists and is
  * readable. If the file does not exist, it will report an error to the user and return <code>
  * false</code>.
  *
  * @param file the name of the file
  * @return true if the file exists and is readable; false otherwise
  */
 public static boolean verifyFileExists(String file) {
   File f = new File(file);
   if (!f.exists()) {
     userError("File not found", file);
     return false;
   }
   return true;
 }
예제 #2
0
 /**
  * The method is called by an option implementation when there is a problem parsing the value for
  * an option supplied by the user on the command line. For example, if an integer is not in the
  * correct format, this method will be called, which will report an error.
  *
  * @param name the name of the option
  * @param type the value type
  * @param val the (invalid) value passed
  */
 protected void parseError(String name, String type, String val) {
   Util.userError(
       "Option Error",
       "invalid value for "
           + type
           + " option "
           + StringUtil.quote(name)
           + " = "
           + StringUtil.quote(val));
 }