code: @Override
  	public boolean validate(final Problems problems, final String compName, final String model) {
  		if (model == null) {
  			return false;
  		}
  		final boolean result = model.length() <= this.len;
  		if (!result) {
  			problems.add(ValidationBundle.getMessage(MaximumLength.class, "STRING_TOO_LONG", compName, model, "" + this.len)); // NOI18N
  		}
  		return result;
  	}
docs: /*
  (non-Javadoc)
  
  @see
  com.fs.commons.desktop.validation.Validator#validate(com.fs.commons.desktop.
  validation.Problems, java.lang.String, java.lang.Object)