content: /*
   * Copyright 2007 ZXing authors
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package com.ailiwean.core.zxing.core;
  
  /**
   * The general exception class throw when something goes wrong during decoding of a barcode.
   * This includes, but is not limited to, failing checksums / error correction algorithms, being
   * unable to locate finder timing patterns, and so on.
   *
   * @author Sean Owen
   */
  public abstract class ReaderException extends Exception {
  
    // disable stack traces when not running inside test units
    protected static final boolean isStackTrace =
        System.getProperty("surefire.test.class.path") != null;
    protected static final StackTraceElement[] NO_TRACE = new StackTraceElement[0];
  
    ReaderException() {
      // do nothing
    }
  
    ReaderException(Throwable cause) {
      super(cause);
    }
  
    // Prevent stack traces from being taken
    @Override
    public final synchronized Throwable fillInStackTrace() {
      return null;
    }
  
  }
  