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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 }