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
18 package org.apache.log4j.pattern;
19
20 import org.apache.log4j.Layout;
21 import org.apache.log4j.spi.LoggingEvent;
22
23
24 /**
25 * Formats a line separator.
26 *
27 * @author Ceki Gülcü
28 */
29 public final class LineSeparatorPatternConverter
30 extends LoggingEventPatternConverter {
31 /**
32 * Singleton.
33 */
34 private static final LineSeparatorPatternConverter INSTANCE =
35 new LineSeparatorPatternConverter();
36
37 /**
38 * Line separator.
39 */
40 private final String lineSep;
41
42 /**
43 * Private constructor.
44 */
45 private LineSeparatorPatternConverter() {
46 super("Line Sep", "lineSep");
47 lineSep = Layout.LINE_SEP;
48 }
49
50 /**
51 * Obtains an instance of pattern converter.
52 * @param options options, may be null.
53 * @return instance of pattern converter.
54 */
55 public static LineSeparatorPatternConverter newInstance(
56 final String[] options) {
57 return INSTANCE;
58 }
59
60 /**
61 * {@inheritDoc}
62 */
63 public void format(LoggingEvent event, final StringBuffer toAppendTo) {
64 toAppendTo.append(lineSep);
65 }
66
67 /**
68 * {@inheritDoc}
69 */
70 public void format(final Object obj, final StringBuffer toAppendTo) {
71 toAppendTo.append(lineSep);
72 }
73 }