FlagAppender.java

/*
 * Copyright 2017-2024 original 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
 *
 * https://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 io.micronaut.fuzzing;

import ch.qos.logback.classic.spi.ILoggingEvent;
import ch.qos.logback.core.AppenderBase;

public class FlagAppender extends AppenderBase<ILoggingEvent> {
    private static volatile boolean triggered = false;

    public static void checkTriggered() {
        if (triggered) {
            triggered = false;
            throw new RuntimeException("Log message recorded, failing.");
        }
    }

    @Override
    protected void append(ILoggingEvent eventObject) {
        triggered = true;
    }
}