org.graylog2.jackson.VersionDeserializer Maven / Gradle / Ivy
/*
* Copyright (C) 2020 Graylog, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* .
*/
package org.graylog2.jackson;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonToken;
import com.fasterxml.jackson.core.JsonTokenId;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.deser.std.StdDeserializer;
import com.github.zafarkhaja.semver.Version;
import java.io.IOException;
public class VersionDeserializer extends StdDeserializer {
public VersionDeserializer() {
super(Version.class);
}
@Override
public Version deserialize(final JsonParser p, final DeserializationContext ctxt) throws IOException {
switch (p.getCurrentTokenId()) {
case JsonTokenId.ID_STRING:
final String str = p.getText().trim();
return Version.valueOf(str);
case JsonTokenId.ID_NUMBER_INT:
return Version.forIntegers(p.getIntValue());
}
throw ctxt.wrongTokenException(p, JsonToken.VALUE_STRING, "expected String or Number");
}
}