| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF 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.apache.druid.jackson; |
| |
| import com.fasterxml.jackson.core.JsonParser; |
| import com.fasterxml.jackson.core.JsonToken; |
| import com.fasterxml.jackson.databind.DeserializationContext; |
| import com.fasterxml.jackson.databind.JsonDeserializer; |
| import com.fasterxml.jackson.databind.KeyDeserializer; |
| import com.fasterxml.jackson.databind.deser.std.StdDeserializer; |
| import com.fasterxml.jackson.databind.module.SimpleModule; |
| import com.fasterxml.jackson.databind.ser.std.ToStringSerializer; |
| import com.fasterxml.jackson.datatype.joda.deser.DurationDeserializer; |
| import com.fasterxml.jackson.datatype.joda.deser.PeriodDeserializer; |
| import org.apache.druid.java.util.common.DateTimes; |
| import org.apache.druid.java.util.common.Intervals; |
| import org.joda.time.DateTime; |
| import org.joda.time.Duration; |
| import org.joda.time.Interval; |
| import org.joda.time.Period; |
| |
| import java.io.IOException; |
| |
| /** |
| */ |
| class JodaStuff |
| { |
| @SuppressWarnings("unchecked") |
| static SimpleModule register(SimpleModule module) |
| { |
| module.addKeyDeserializer(DateTime.class, new DateTimeKeyDeserializer()); |
| module.addDeserializer(DateTime.class, new DateTimeDeserializer()); |
| module.addSerializer(DateTime.class, ToStringSerializer.instance); |
| module.addDeserializer(Interval.class, new JodaStuff.IntervalDeserializer()); |
| module.addKeyDeserializer(Interval.class, new JodaStuff.IntervalKeyDeserializer()); |
| module.addSerializer(Interval.class, ToStringSerializer.instance); |
| JsonDeserializer<?> periodDeserializer = new PeriodDeserializer(); |
| module.addDeserializer(Period.class, (JsonDeserializer<Period>) periodDeserializer); |
| module.addSerializer(Period.class, ToStringSerializer.instance); |
| module.addDeserializer(Duration.class, new DurationDeserializer()); |
| module.addSerializer(Duration.class, ToStringSerializer.instance); |
| |
| return module; |
| } |
| |
| /** |
| */ |
| private static class IntervalDeserializer extends StdDeserializer<Interval> |
| { |
| public IntervalDeserializer() |
| { |
| super(Interval.class); |
| } |
| |
| @Override |
| public Interval deserialize(JsonParser jsonParser, DeserializationContext deserializationContext) |
| throws IOException |
| { |
| return Intervals.of(jsonParser.getText()); |
| } |
| } |
| |
| private static class IntervalKeyDeserializer extends KeyDeserializer |
| { |
| @Override |
| public Object deserializeKey(String key, DeserializationContext ctxt) |
| { |
| return Intervals.of(key); |
| } |
| } |
| |
| private static class DateTimeKeyDeserializer extends KeyDeserializer |
| { |
| @Override |
| public Object deserializeKey(String key, DeserializationContext ctxt) |
| { |
| return DateTimes.of(key); |
| } |
| } |
| |
| private static class DateTimeDeserializer extends StdDeserializer<DateTime> |
| { |
| public DateTimeDeserializer() |
| { |
| super(DateTime.class); |
| } |
| |
| @Override |
| public DateTime deserialize(JsonParser jp, DeserializationContext ctxt) throws IOException |
| { |
| JsonToken t = jp.getCurrentToken(); |
| if (t == JsonToken.VALUE_NUMBER_INT) { |
| return DateTimes.utc(jp.getLongValue()); |
| } |
| if (t == JsonToken.VALUE_STRING) { |
| String str = jp.getText().trim(); |
| if (str.length() == 0) { // [JACKSON-360] |
| return null; |
| } |
| // make sure to preserve time zone information when parsing timestamps |
| return DateTimes.ISO_DATE_OR_TIME_WITH_OFFSET.parse(str); |
| } |
| throw ctxt.mappingException(getValueClass()); |
| } |
| } |
| } |