/*
* Copyright (C) 2015 Square, Inc.
*
* 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 keywhiz.api;
import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.JsonDeserializer;
import com.fasterxml.jackson.databind.JsonSerializer;
import com.fasterxml.jackson.databind.SerializerProvider;
import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
import com.fasterxml.jackson.databind.annotation.JsonSerialize;
import java.io.IOException;
import java.time.Instant;
import java.time.OffsetDateTime;
import java.time.ZoneOffset;
import java.time.format.DateTimeFormatter;
import static java.lang.String.format;
/**
* This is a wrapper for the date class used in API responses so we can have a custom JSON serializer and deserializer
*/
@JsonSerialize(using=ApiDate.ApiDateSerializer.class)
@JsonDeserialize(using=ApiDate.ApiDateDeserializer.class)
public class ApiDate {
private long epochSecond;
public long toEpochSecond() {
return epochSecond;
}
public ApiDate(long epochSecond) {
this.epochSecond = epochSecond;
}
static class ApiDateSerializer extends JsonSerializer<ApiDate> {
private static DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'");
@Override
public void serialize(ApiDate value, JsonGenerator gen, SerializerProvider serializers) throws IOException {
Instant i = Instant.ofEpochSecond(value.epochSecond);
gen.writeString(formatter.format(i.atOffset(ZoneOffset.UTC)));
}
}
static class ApiDateDeserializer extends JsonDeserializer<ApiDate> {
@Override
public ApiDate deserialize(JsonParser parser, DeserializationContext ctxt) throws IOException {
OffsetDateTime odt = parser.readValueAs(OffsetDateTime.class);
return new ApiDate(odt.toEpochSecond());
}
}
public static ApiDate parse(String s) {
OffsetDateTime odt = OffsetDateTime.parse(s);
return new ApiDate(odt.toEpochSecond());
}
public static ApiDate now() {
return new ApiDate(OffsetDateTime.now().toEpochSecond());
}
@Override
public String toString() {
return format("ApiDate[%d]", epochSecond);
}
@Override
public boolean equals(Object obj) {
if (obj instanceof ApiDate) {
ApiDate that = (ApiDate) obj;
return this.epochSecond == that.epochSecond;
}
return false;
}
@Override
public int hashCode() {
return Long.hashCode(this.epochSecond);
}
}