CustomConsoleAppender.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 io.github.aliyunmq.logback.extensions;

import ch.qos.logback.core.ConsoleAppender;

@SuppressWarnings("unused")
public class CustomConsoleAppender<E> extends ConsoleAppender<E> {
    public static final String ENABLE_CONSOLE_APPENDER_KEY = "mq.consoleAppender.enabled";
    private final boolean enabled;

    public CustomConsoleAppender() {
        this.enabled =
            Boolean.parseBoolean(System.getenv(ENABLE_CONSOLE_APPENDER_KEY)) || Boolean.parseBoolean(System.getProperty(ENABLE_CONSOLE_APPENDER_KEY));
    }

    @Override
    protected void append(E eventObject) {
        if (enabled) {
            super.append(eventObject);
        }
    }

    public boolean isEnabled() {
        return enabled;
    }
}