    001    /*
    002     * Licensed to the Apache Software Foundation (ASF) under one or more
    003     * contributor license agreements. See the NOTICE file distributed with
    004     * this work for additional information regarding copyright ownership.
    005     * The ASF licenses this file to You under the Apache license, Version 2.0
    006     * (the "License"); you may not use this file except in compliance with
    007     * the License. You may obtain a copy of the License at
    008     *
    009     *      http://www.apache.org/licenses/LICENSE-2.0
    010     *
    011     * Unless required by applicable law or agreed to in writing, software
    012     * distributed under the License is distributed on an "AS IS" BASIS,
    013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    014     * See the license for the specific language governing permissions and
    015     * limitations under the license.
    016     */
    017    package org.apache.logging.log4j.core.net.server;
    018
    019    import java.io.IOException;
    020    import java.io.InputStream;
    021
    022    import org.apache.logging.log4j.Logger;
    023    import org.apache.logging.log4j.status.StatusLogger;
    024
    025    /**
    026     * Abstract class for implementations of {@link LogEventBridge}.
    027     *
    028     * @param <T>
    029     *            The kind of input stream read
    030     */
    031    public abstract class AbstractLogEventBridge<T extends InputStream> implements LogEventBridge<T> {
    032
    033        protected static final int END = -1;
    034
    035        protected static final Logger logger = StatusLogger.getLogger();
    036
    037        // The default is to return the same object as given.
    038        @SuppressWarnings("unchecked")
    039        @Override
    040        public T wrapStream(final InputStream inputStream) throws IOException {
    041            return (T) inputStream;
    042        }
    043
    044    }