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.util;
18
19 import java.io.IOException;
20 import java.io.Writer;
21
22 public class CloseShieldWriter extends Writer {
23
24 private final Writer delegate;
25
26 public CloseShieldWriter(final Writer delegate) {
27 this.delegate = delegate;
28 }
29
30 @Override
31 public void close() throws IOException {
32 // do not close delegate
33 }
34
35 @Override
36 public void flush() throws IOException {
37 delegate.flush();
38
39 }
40
41 @Override
42 public void write(final char[] cbuf, final int off, final int len) throws IOException {
43 delegate.write(cbuf, off, len);
44 }
45
46 }