50 lines
1.3 KiB
PHP
50 lines
1.3 KiB
PHP
<?php
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/*
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* Copyright 2007 ZXing authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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namespace Zxing;
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/**
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* Thrown when a barcode was successfully detected, but some aspect of
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* the content did not conform to the barcode's format rules. This could have
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* been due to a mis-detection.
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*
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* @author Sean Owen
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*/
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final class FormatException extends ReaderException
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{
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private static $instance;
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public function __construct($cause = null)
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{
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if ($cause) {
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parent::__construct($cause);
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}
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}
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public static function getFormatInstance($cause = null)
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{
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if (!self::$instance) {
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self::$instance = new FormatException();
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}
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if (self::$isStackTrace) {
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return new FormatException($cause);
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} else {
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return self::$instance;
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}
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}
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}
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