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Elasticsearch subproject :server
/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch licenses this file to you under
* the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.elasticsearch.common.xcontent;
import org.apache.lucene.util.BytesRef;
import org.elasticsearch.common.bytes.BytesReference;
import org.elasticsearch.common.time.DateFormatter;
import org.elasticsearch.common.unit.ByteSizeValue;
import org.elasticsearch.common.unit.TimeValue;
import org.elasticsearch.script.JodaCompatibleZonedDateTime;
import org.joda.time.DateTime;
import org.joda.time.DateTimeZone;
import org.joda.time.Instant;
import org.joda.time.MutableDateTime;
import org.joda.time.ReadableInstant;
import org.joda.time.format.DateTimeFormatter;
import org.joda.time.format.ISODateTimeFormat;
import org.joda.time.tz.CachedDateTimeZone;
import org.joda.time.tz.FixedDateTimeZone;
import java.time.DayOfWeek;
import java.time.Duration;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.LocalTime;
import java.time.Month;
import java.time.MonthDay;
import java.time.OffsetDateTime;
import java.time.OffsetTime;
import java.time.Period;
import java.time.Year;
import java.time.ZoneOffset;
import java.time.ZonedDateTime;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.HashMap;
import java.util.Map;
import java.util.Objects;
import java.util.function.Function;
/**
* SPI extensions for Elasticsearch-specific classes (like the Lucene or Joda
* dependency classes) that need to be encoded by {@link XContentBuilder} in a
* specific way.
*/
public class XContentElasticsearchExtension implements XContentBuilderExtension {
public static final DateTimeFormatter DEFAULT_DATE_PRINTER = ISODateTimeFormat.dateTime().withZone(DateTimeZone.UTC);
public static final DateFormatter DEFAULT_FORMATTER = DateFormatter.forPattern("strict_date_optional_time_nanos");
public static final DateFormatter LOCAL_TIME_FORMATTER = DateFormatter.forPattern("HH:mm:ss.SSS");
public static final DateFormatter OFFSET_TIME_FORMATTER = DateFormatter.forPattern("HH:mm:ss.SSSZZZZZ");
@Override
public Map, XContentBuilder.Writer> getXContentWriters() {
Map, XContentBuilder.Writer> writers = new HashMap<>();
// Fully-qualified here to reduce ambiguity around our (ES') Version class
writers.put(org.apache.lucene.util.Version.class, (b, v) -> b.value(Objects.toString(v)));
writers.put(DateTimeZone.class, (b, v) -> b.value(Objects.toString(v)));
writers.put(CachedDateTimeZone.class, (b, v) -> b.value(Objects.toString(v)));
writers.put(FixedDateTimeZone.class, (b, v) -> b.value(Objects.toString(v)));
writers.put(MutableDateTime.class, XContentBuilder::timeValue);
writers.put(DateTime.class, XContentBuilder::timeValue);
writers.put(TimeValue.class, (b, v) -> b.value(v.toString()));
writers.put(ZonedDateTime.class, XContentBuilder::timeValue);
writers.put(OffsetDateTime.class, XContentBuilder::timeValue);
writers.put(OffsetTime.class, XContentBuilder::timeValue);
writers.put(java.time.Instant.class, XContentBuilder::timeValue);
writers.put(LocalDateTime.class, XContentBuilder::timeValue);
writers.put(LocalDate.class, XContentBuilder::timeValue);
writers.put(LocalTime.class, XContentBuilder::timeValue);
writers.put(DayOfWeek.class, (b, v) -> b.value(v.toString()));
writers.put(Month.class, (b, v) -> b.value(v.toString()));
writers.put(MonthDay.class, (b, v) -> b.value(v.toString()));
writers.put(Year.class, (b, v) -> b.value(v.toString()));
writers.put(Duration.class, (b, v) -> b.value(v.toString()));
writers.put(Period.class, (b, v) -> b.value(v.toString()));
writers.put(JodaCompatibleZonedDateTime.class, XContentBuilder::timeValue);
writers.put(BytesReference.class, (b, v) -> {
if (v == null) {
b.nullValue();
} else {
BytesRef bytes = ((BytesReference) v).toBytesRef();
b.value(bytes.bytes, bytes.offset, bytes.length);
}
});
writers.put(BytesRef.class, (b, v) -> {
if (v == null) {
b.nullValue();
} else {
BytesRef bytes = (BytesRef) v;
b.value(bytes.bytes, bytes.offset, bytes.length);
}
});
return writers;
}
@Override
public Map, XContentBuilder.HumanReadableTransformer> getXContentHumanReadableTransformers() {
Map, XContentBuilder.HumanReadableTransformer> transformers = new HashMap<>();
transformers.put(TimeValue.class, v -> ((TimeValue) v).millis());
transformers.put(ByteSizeValue.class, v -> ((ByteSizeValue) v).getBytes());
return transformers;
}
@Override
public Map, Function> getDateTransformers() {
Map, Function> transformers = new HashMap<>();
transformers.put(Date.class, d -> DEFAULT_DATE_PRINTER.print(((Date) d).getTime()));
transformers.put(DateTime.class, d -> DEFAULT_DATE_PRINTER.print((DateTime) d));
transformers.put(MutableDateTime.class, d -> DEFAULT_DATE_PRINTER.print((MutableDateTime) d));
transformers.put(ReadableInstant.class, d -> DEFAULT_DATE_PRINTER.print((ReadableInstant) d));
transformers.put(Long.class, d -> DEFAULT_DATE_PRINTER.print((long) d));
transformers.put(Calendar.class, d -> DEFAULT_DATE_PRINTER.print(((Calendar) d).getTimeInMillis()));
transformers.put(GregorianCalendar.class, d -> DEFAULT_DATE_PRINTER.print(((Calendar) d).getTimeInMillis()));
transformers.put(Instant.class, d -> DEFAULT_DATE_PRINTER.print((Instant) d));
transformers.put(ZonedDateTime.class, d -> DEFAULT_FORMATTER.format((ZonedDateTime) d));
transformers.put(OffsetDateTime.class, d -> DEFAULT_FORMATTER.format((OffsetDateTime) d));
transformers.put(OffsetTime.class, d -> OFFSET_TIME_FORMATTER.format((OffsetTime) d));
transformers.put(LocalDateTime.class, d -> DEFAULT_FORMATTER.format((LocalDateTime) d));
transformers.put(java.time.Instant.class,
d -> DEFAULT_FORMATTER.format(ZonedDateTime.ofInstant((java.time.Instant) d, ZoneOffset.UTC)));
transformers.put(LocalDate.class, d -> ((LocalDate) d).toString());
transformers.put(LocalTime.class, d -> LOCAL_TIME_FORMATTER.format((LocalTime) d));
transformers.put(JodaCompatibleZonedDateTime.class,
d -> DEFAULT_FORMATTER.format(((JodaCompatibleZonedDateTime) d).getZonedDateTime()));
return transformers;
}
}