@SuppressWarnings("unused") // invoked by benchmarking framework
public class DateFormatterBenchmark {

    private final DateFormatter javaFormatter = DateFormatter.forPattern("8year_month_day||ordinal_date||epoch_millis");
    private final DateFormatter jodaFormatter = Joda.forPattern("year_month_day||ordinal_date||epoch_millis");

    @Benchmark
    public TemporalAccessor parseJavaDate() {
        return javaFormatter.parse("1234567890");
    }

@Warmup(iterations = 10)
@Measurement(iterations = 5)
@BenchmarkMode(Mode.AverageTime)
@OutputTimeUnit(TimeUnit.NANOSECONDS)
@State(Scope.Benchmark)
public class RoundingBenchmark {
    private static final DateFormatter FORMATTER = DateFormatter.forPattern("date_optional_time");

    @Param(
        {
            "2000-01-01 to 2020-01-01", // A super long range
            "2000-10-01 to 2000-11-01", // A whole month which is pretty believable

@OutputTimeUnit(TimeUnit.NANOSECONDS)
@State(Scope.Benchmark)
@SuppressWarnings("unused") // invoked by benchmarking framework
public class DateFormatterFromBenchmark {

    private final TemporalAccessor accessor = DateFormatter.forPattern("epoch_millis").parse("1234567890");

    @Benchmark
    public TemporalAccessor benchmarkFrom() {
        // benchmark an accessor that does not contain a timezone

                final Calendar cal = DateConverter.toCalendar(value);
                return cal != null ? cal.getTime() : null;
            }

            final long time = Joda.forPattern(format).parseMillis(value);
            return new Date(time);
        } catch (final Exception e) {
            return null;
        }
    }

    /**

        <setting id="org.eclipse.jdt.core.formatter.parentheses_positions_in_enum_constant_declaration" value="separate_lines_if_wrapped"/>
        <setting id="org.eclipse.jdt.core.formatter.insert_space_after_semicolon_in_for" value="insert"/>
        <setting id="org.eclipse.jdt.core.formatter.align_with_spaces" value="false"/>

<setting id="org.eclipse.jdt.core.formatter.disabling_tag" value="@formatter:off"/>
<setting id="org.eclipse.jdt.core.formatter.continuation_indentation" value="2"/>
<setting id="org.eclipse.jdt.core.formatter.alignment_for_enum_constants" value="0"/>
<setting id="org.eclipse.jdt.core.formatter.blank_lines_before_imports" value="1"/>

<setting id="org.eclipse.wst.jsdt.core.formatter.insert_space_before_colon_in_case" value="do not insert"/>
<setting id="org.eclipse.wst.jsdt.core.formatter.indent_empty_lines" value="false"/>
<setting id="org.eclipse.wst.jsdt.core.formatter.alignment_for_compact_if" value="16"/>
<setting id="org.eclipse.wst.jsdt.core.formatter.brace_position_for_annotation_type_declaration" value="end_of_line"/>

<setting id="org.eclipse.jdt.core.formatter.disabling_tag" value="@formatter:off"/>
<setting id="org.eclipse.jdt.core.formatter.continuation_indentation" value="2"/>
<setting id="org.eclipse.jdt.core.formatter.alignment_for_enum_constants" value="0"/>
<setting id="org.eclipse.jdt.core.formatter.blank_lines_before_imports" value="1"/>

			<plugin>
				<groupId>net.revelc.code.formatter</groupId>
				<artifactId>formatter-maven-plugin</artifactId>
				<version>2.26.0</version>
				<executions>
					<execution>
						<goals>
							<goal>format</goal>
						</goals>
					</execution>
				</executions>
				<configuration>
					<configFile>https://www.codelibs.org/assets/formatter/eclipse-formatter-1.1.xml</configFile>
				</configuration>

     */
    public IndexExportJob format(final String format) {
        this.formatter = createFormatter(format);
        return this;
    }

    /**
     * Creates a formatter for the given format name.
     *
     * @param format the format name
     * @return the formatter instance
     * @throws IllegalArgumentException if the format is null, empty, or not supported
     */