1 /* 2 * Copyright 2007 ZXing authors 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.google.zxing; 18 19 /** 20 * Thrown when a barcode was not found in the image. It might have been 21 * partially detected but could not be confirmed. 22 * 23 * @author Sean Owen 24 */ 25 public final class NotFoundException extends ReaderException { 26 27 private static final NotFoundException INSTANCE = new NotFoundException(); 28 static { 29 INSTANCE.setStackTrace(NO_TRACE); // since it's meaningless 30 } 31 NotFoundException()32 private NotFoundException() { 33 // do nothing 34 } 35 getNotFoundInstance()36 public static NotFoundException getNotFoundInstance() { 37 return isStackTrace ? new NotFoundException() : INSTANCE; 38 } 39 40 }