Java Code Examples for com.beust.jcommander.IParameterValidator

The following examples show how to use com.beust.jcommander.IParameterValidator. These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source Project: jsflight   Author: d0k1   File: PropertiesConfig.java    License: Apache License 2.0 5 votes vote down vote up 
private IParameterValidator or(IParameterValidator... validators)
{
    return (name, value) -> {
        boolean isValid = false;
        List<ParameterException> exceptions = new ArrayList<>();
        for (int i = 0; i < validators.length && !isValid; i++)
        {
            try
            {
                validators[i].validate(name, value);
                isValid = true;
            }
            catch (ParameterException e)
            {
                exceptions.add(e);
            }
        }

        if (!isValid)
        {
            StringBuilder exceptionMessage = new StringBuilder();
            for (ParameterException exception : exceptions)
            {
                if (exceptionMessage.length() != 0)
                {
                    exceptionMessage.append(" or ");
                }
                exceptionMessage.append(exception.getMessage());
            }
            throw new ParameterException(exceptionMessage.toString());
        }
    };
}
Example #2
Source Project: jsflight   Author: d0k1   File: PropertiesConfig.java    License: Apache License 2.0 5 votes vote down vote up 
private <T> T getProperty(String name, T defaultValue, IParameterValidator validator, IStringConverter<T> converter)
{
    String value = properties.getProperty(name);
    if (value == null && defaultValue != null)
    {
        value = defaultValue.toString();
    }
    if (validator != null)
    {
        validator.validate(name, value);
    }
    return value == null ? null : converter.convert(value);
}
Example #3
Source Project: jsflight   Author: d0k1   File: PropertiesConfig.java    License: Apache License 2.0 4 votes vote down vote up 
private String getProperty(String name, IParameterValidator validator)
{
    return getProperty(name, validator, (IStringConverter<String>)String::toString);
}
Example #4
Source Project: jsflight   Author: d0k1   File: PropertiesConfig.java    License: Apache License 2.0 4 votes vote down vote up 
private <T> T getProperty(String name, IParameterValidator validator, IStringConverter<T> converter)
{
    return getProperty(name, null, validator, converter);
}