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- /*
- * Copyright (c) 2006-2013 DMDirc Developers
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
- package com.dmdirc.util.validators;
-
- /**
- * Validates an optional setting in tandem with another validator.
- */
- public class OptionalValidator implements Validator<String> {
-
- /**
- * The validator to validate the optional setting.
- */
- protected final Validator<String> validator;
-
- /**
- * Creates a new Optional validator.
- *
- * @param validator The validator for the setting's value, if present
- */
- public OptionalValidator(final Validator<String> validator) {
- this.validator = validator;
- }
-
- /**
- * Gets the secondary validator.
- *
- * @return Secondary validator
- */
- public Validator<String> getValidator() {
- return validator;
- }
-
- /**
- * {@inheritDoc}
- */
- @Override
- public ValidationResponse validate(final String object) {
- if (object == null) {
- return validator.validate(object);
- }
-
- final int colonIndex = object.indexOf(':');
-
- if (colonIndex == -1) {
- return validator.validate(object);
- }
-
- final String booleanv = object.substring(0, colonIndex);
-
- if ("true".equals(booleanv) || "false".equals(booleanv)) {
- return validator.validate(object.substring(colonIndex + 1));
- }
-
- return validator.validate(object);
- }
- }
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