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 */ 017package org.apache.logging.log4j.core.net.server; 018 019import java.io.IOException; 020import java.io.InputStream; 021 022import org.apache.logging.log4j.Logger; 023import 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 */ 031public 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}