log4j-core/src/main/java/org/apache/logging/log4j/core/layout/JsonLayout.java [161:254]:
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
                charset, compact, complete, eventEol, endOfLine,
                PatternLayout.newSerializerBuilder().setConfiguration(config).setPattern(headerPattern).setDefaultPattern(DEFAULT_HEADER).build(),
                PatternLayout.newSerializerBuilder().setConfiguration(config).setPattern(footerPattern).setDefaultPattern(DEFAULT_FOOTER).build(),
                includeNullDelimiter,
                additionalFields);
    }

    /**
     * Returns appropriate JSON header.
     *
     * @return a byte array containing the header, opening the JSON array.
     */
    @Override
    public byte[] getHeader() {
        if (!this.complete) {
            return null;
        }
        final StringBuilder buf = new StringBuilder();
        final String str = serializeToString(getHeaderSerializer());
        if (str != null) {
            buf.append(str);
        }
        buf.append(this.eol);
        return getBytes(buf.toString());
    }

    /**
     * Returns appropriate JSON footer.
     *
     * @return a byte array containing the footer, closing the JSON array.
     */
    @Override
    public byte[] getFooter() {
        if (!this.complete) {
            return null;
        }
        final StringBuilder buf = new StringBuilder();
        buf.append(this.eol);
        final String str = serializeToString(getFooterSerializer());
        if (str != null) {
            buf.append(str);
        }
        buf.append(this.eol);
        return getBytes(buf.toString());
    }

    @Override
    public Map<String, String> getContentFormat() {
        final Map<String, String> result = new HashMap<>();
        result.put("version", "2.0");
        return result;
    }

    /**
     * @return The content type.
     */
    @Override
    public String getContentType() {
        return CONTENT_TYPE + "; charset=" + this.getCharset();
    }

    /**
     * Creates a JSON Layout.
     * @param config
     *           The plugin configuration.
     * @param locationInfo
     *            If "true", includes the location information in the generated JSON.
     * @param properties
     *            If "true", includes the thread context map in the generated JSON.
     * @param propertiesAsList
     *            If true, the thread context map is included as a list of map entry objects, where each entry has
     *            a "key" attribute (whose value is the key) and a "value" attribute (whose value is the value).
     *            Defaults to false, in which case the thread context map is included as a simple map of key-value
     *            pairs.
     * @param complete
     *            If "true", includes the JSON header and footer, and comma between records.
     * @param compact
     *            If "true", does not use end-of-lines and indentation, defaults to "false".
     * @param eventEol
     *            If "true", forces an EOL after each log event (even if compact is "true"), defaults to "false". This
     *            allows one even per line, even in compact mode.
     * @param headerPattern
     *            The header pattern, defaults to {@code "["} if null.
     * @param footerPattern
     *            The footer pattern, defaults to {@code "]"} if null.
     * @param charset
     *            The character set to use, if {@code null}, uses "UTF-8".
     * @param includeStacktrace
     *            If "true", includes the stacktrace of any Throwable in the generated JSON, defaults to "true".
     * @return A JSON Layout.
     *
     * @deprecated Use {@link #newBuilder()} instead
     */
    @Deprecated
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -



log4j-core/src/main/java/org/apache/logging/log4j/core/layout/YamlLayout.java [97:179]:
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
                charset, compact, complete, eventEol, endOfLine,
                PatternLayout.newSerializerBuilder().setConfiguration(config).setPattern(headerPattern).setDefaultPattern(DEFAULT_HEADER).build(),
                PatternLayout.newSerializerBuilder().setConfiguration(config).setPattern(footerPattern).setDefaultPattern(DEFAULT_FOOTER).build(),
                includeNullDelimiter,
                additionalFields);
    }

    /**
     * Returns appropriate YAML header.
     *
     * @return a byte array containing the header, opening the YAML array.
     */
    @Override
    public byte[] getHeader() {
        if (!this.complete) {
            return null;
        }
        final StringBuilder buf = new StringBuilder();
        final String str = serializeToString(getHeaderSerializer());
        if (str != null) {
            buf.append(str);
        }
        buf.append(this.eol);
        return getBytes(buf.toString());
    }

    /**
     * Returns appropriate YAML footer.
     *
     * @return a byte array containing the footer, closing the YAML array.
     */
    @Override
    public byte[] getFooter() {
        if (!this.complete) {
            return null;
        }
        final StringBuilder buf = new StringBuilder();
        buf.append(this.eol);
        final String str = serializeToString(getFooterSerializer());
        if (str != null) {
            buf.append(str);
        }
        buf.append(this.eol);
        return getBytes(buf.toString());
    }

    @Override
    public Map<String, String> getContentFormat() {
        final Map<String, String> result = new HashMap<>();
        result.put("version", "2.0");
        return result;
    }

    /**
     * @return The content type.
     */
    @Override
    public String getContentType() {
        return CONTENT_TYPE + "; charset=" + this.getCharset();
    }

    /**
     * Creates a YAML Layout.
     *
     * @param config
     *            The plugin configuration.
     * @param locationInfo
     *            If "true", includes the location information in the generated YAML.
     * @param properties
     *            If "true", includes the thread context map in the generated YAML.
     * @param headerPattern
     *            The header pattern, defaults to {@code ""} if null.
     * @param footerPattern
     *            The footer pattern, defaults to {@code ""} if null.
     * @param charset
     *            The character set to use, if {@code null}, uses "UTF-8".
     * @param includeStacktrace
     *            If "true", includes the stacktrace of any Throwable in the generated YAML, defaults to "true".
     * @return A YAML Layout.
     *
     * @deprecated Use {@link #newBuilder()} instead
     */
    @Deprecated
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -