View Javadoc
1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements. See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache license, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License. You may obtain a copy of the License at
8    *
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the license for the specific language governing permissions and
15   * limitations under the license.
16   */
17  package org.apache.logging.log4j.core.net.server;
18  
19  import java.io.IOException;
20  import java.io.InputStream;
21  
22  import org.apache.logging.log4j.Logger;
23  import org.apache.logging.log4j.status.StatusLogger;
24  
25  /**
26   * Abstract class for implementations of {@link LogEventBridge}.
27   * 
28   * @param <T>
29   *            The kind of input stream read
30   */
31  public abstract class AbstractLogEventBridge<T extends InputStream> implements LogEventBridge<T> {
32  
33      protected static final int END = -1;
34  
35      protected static final Logger logger = StatusLogger.getLogger();
36  
37      // The default is to return the same object as given.
38      @SuppressWarnings("unchecked")
39      @Override
40      public T wrapStream(final InputStream inputStream) throws IOException {
41          return (T) inputStream;
42      }
43  
44  }