1 package com.beust.jcommander; 2 3 import com.beust.jcommander.converters.FileConverter; 4 5 import java.io.File; 6 7 public class ArgsValidate2 { 8 public static class FailingValidator implements IValueValidator<File> { 9 10 public void validate(String name, File value) throws ParameterException { 11 throw new ParameterException("Validation will always fail:" + name + " " + value); 12 } 13 14 } 15 16 public static final String POSSIBLE_TEMPLATE_FILE = "mayOrMayNotExist.template"; 17 18 @Parameter(names = { "-template"}, 19 description = "The default file may or may not exist", 20 converter = FileConverter.class, 21 validateValueWith = FailingValidator.class 22 ) 23 public File template = new File(POSSIBLE_TEMPLATE_FILE); 24 } 25
