Examples of org.apache.logging.log4j.core.Layout

org.apache.logging.log4j.core.Layout
Lays out a {@linkplain LogEvent} in different formats.The formats are:
- {@code byte[]}
- an implementer of {@linkplain Serializable}, like {@code byte[]}
- {@linkplain String}
- {@linkplain LogEvent}
@param < T> The {@link Serializable} type returned by {@link #toSerializable(LogEvent)} @doubt There is still a need for a character-based layout for character based event sinks (databases, etc). Wouldintroduce an EventEncoder, EventRenderer or something similar for the logging event to byte encoding. (RG) A layout can be configured with a Charset and then Strings can be converted to byte arrays. OTOH, it isn't possible to write byte arrays as character streams.

                c = Charset.forName(charset);
            } else {
                LOGGER.error("Charset " + charset + " is not supported for layout, using " + c.displayName());
            }
        }
        Layout layout = (format.equalsIgnoreCase(RFC5424)) ?
            RFC5424Layout.createLayout(facility, id, ein, includeMDC, mdcId, includeNL, appName,  msgId,
                excludes, includes, required, charset, config) :
            SyslogLayout.createLayout(facility, includeNL, charset);


        if (name == null) {

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     * Constructor to create the default configuration.
     */
    public DefaultConfiguration() {


        setName(DEFAULT_NAME);
        Layout layout = PatternLayout.createLayout("%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n",
            null, null, null);
        Appender appender = ConsoleAppender.createAppender(layout, null, "SYSTEM_OUT", "Console", "true");
        addAppender(appender);
        LoggerConfig root = getRootLogger();
        root.addAppender(appender, null, null);

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        }
        verifyFile(count * processes);
    }


    private static void writer(final boolean lock, final int count, final String name) throws Exception {
        final Layout layout = PatternLayout.createLayout(PatternLayout.SIMPLE_CONVERSION_PATTERN, null, null, null);
        final FileAppender app = FileAppender.createAppender(FILENAME, "true", Boolean.toString(lock), "test", "false",
            "false", "false", layout, null);
        final Thread t = Thread.currentThread();
        app.start();
        assertTrue("Appender did not start", app.isStarted());

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        }
    }


    @Override
    public synchronized void append(final LogEvent event) {
        final Layout layout = getLayout();
        if (layout == null) {
            events.add(event);
        } else if (layout instanceof SerializedLayout) {
            final byte[] header = layout.getHeader();
            final byte[] content = layout.toByteArray(event);
            final byte[] record = new byte[header.length + content.length];
            System.arraycopy(header, 0, record, 0, header.length);
            System.arraycopy(content, 0, record, header.length, content.length);
            data.add(record);
        } else {
            write(layout.toByteArray(event));
        }
    }

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    }


    @Override
    public void stop() {
        super.stop();
        final Layout layout = getLayout();
        if (layout != null) {
            final byte[] bytes = layout.getFooter();
            if (bytes != null) {
                write(bytes);
            }
        }
    }

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                app = entry.getValue();
                break;
            }
        }
        assertNotNull("No ListAppender named List2", app);
        final Layout layout = app.getLayout();
        assertNotNull("Appender List2 does not have a Layout", layout);
        assertTrue("Appender List2 is not configured with a PatternLayout", layout instanceof PatternLayout);
        final String pattern = ((PatternLayout) layout).getConversionPattern();
        assertNotNull("No conversion pattern for List2 PatternLayout", pattern);
        assertFalse("Environment variable was not substituted", pattern.startsWith("${env:PATH}"));

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Related Classes of org.apache.logging.log4j.core.Layout

org.apache.log4j.CategoryTest

org.apache.logging.log4j.core.appender.ConsoleAppenderTest

org.apache.logging.log4j.core.appender.FileAppenderTest

org.apache.logging.log4j.core.appender.OutputStreamAppenderTest

org.apache.logging.log4j.core.appender.SyslogAppender

org.apache.logging.log4j.core.config.BaseConfiguration

org.apache.logging.log4j.core.config.DefaultConfiguration

org.apache.logging.log4j.core.config.TestConfigurator

org.apache.logging.log4j.test.appender.ListAppender

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