/*
 * 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 org.akvo.caddisfly.sensor.striptest.qrdetector;

/**
 * Thrown when a barcode was successfully detected, but some aspect of
 * the content did not conform to the barcode's format rules. This could have
 * been due to a mis-detection.
 *
 * @author Sean Owen
 */
public final class FormatException extends ReaderException {

    private static final FormatException INSTANCE = new FormatException();

    static {
        INSTANCE.setStackTrace(NO_TRACE); // since it's meaningless
    }

    private FormatException() {
    }

    private FormatException(Throwable cause) {
        super(cause);
    }

    public static FormatException getFormatInstance() {
        return isStackTrace ? new FormatException() : INSTANCE;
    }

    public static FormatException getFormatInstance(Throwable cause) {
        return isStackTrace ? new FormatException(cause) : INSTANCE;
    }
}
