RoboSwag-components/api-logansquare/src/main/java/ru/touchin/templates/logansquare/LoganSquareJodaTimeConverte...

85 lines
2.6 KiB
Java

/*
* Copyright (c) 2016 Touch Instinct
*
* This file is part of RoboSwag library.
*
* Licensed 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 ru.touchin.templates.logansquare;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.text.TextUtils;
import com.bluelinelabs.logansquare.typeconverters.TypeConverter;
import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.core.JsonParser;
import org.joda.time.DateTime;
import org.joda.time.format.DateTimeFormatter;
import java.io.IOException;
import ru.touchin.roboswag.core.log.Lc;
/**
* LoganSquare converter for joda.time.DateTime
*/
public class LoganSquareJodaTimeConverter implements TypeConverter<DateTime> {
@Nullable
private final DateTimeFormatter formatter;
public LoganSquareJodaTimeConverter() {
this.formatter = null;
}
public LoganSquareJodaTimeConverter(@Nullable final DateTimeFormatter formatter) {
this.formatter = formatter;
}
@Nullable
@Override
public DateTime parse(@NonNull final JsonParser jsonParser) throws IOException {
final String dateString = jsonParser.getValueAsString();
if (dateString == null || dateString.isEmpty()) {
return null;
}
try {
return DateTime.parse(dateString);
} catch (final RuntimeException exception) {
Lc.assertion(exception);
}
return null;
}
@Override
public void serialize(
@Nullable final DateTime object,
@Nullable final String fieldName,
final boolean writeFieldNameForObject,
@NonNull final JsonGenerator jsonGenerator
) throws IOException {
final String serializedValue = object != null ? object.toString(formatter) : null;
if (fieldName != null) {
jsonGenerator.writeStringField(fieldName, !TextUtils.isEmpty(serializedValue) ? serializedValue : null);
} else {
jsonGenerator.writeString(!TextUtils.isEmpty(serializedValue) ? serializedValue : null);
}
}
}