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- /*
- * Copyright (c) 2006-2011 Chris Smith, Shane Mc Cormack, Gregory Holmes
- *
- * 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 that the length of a string is within certain bounds.
- *
- * @author chris
- */
- public class StringLengthValidator implements Validator<String> {
-
- /** The minimum string length. */
- protected final int min;
-
- /** The maximum string length. */
- protected final int max;
-
- /**
- * Creates a new string length validator that requires a string be between
- * the specified min/max length.
- *
- * @param min The minimum length of the string, or -1 for unlimited.
- * @param max The maximum length of the string, or -1 for unlimited.
- */
- public StringLengthValidator(final int min, final int max) {
- this.min = min;
- this.max = max;
- }
-
- /** {@inheritDoc} */
- @Override
- public ValidationResponse validate(final String object) {
- if (object.length() < min && min != -1) {
- return new ValidationResponse("Must be at least " + min
- + " characters long");
- } else if (object.length() > max && max != -1) {
- return new ValidationResponse("Must be at most " + max
- + " characters long");
- } else {
- return new ValidationResponse();
- }
- }
-
- }
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