org.graylog2.contentpacks.jackson.ValueTypeDeserializer 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.contentpacks.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 org.apache.commons.lang3.StringUtils;
import org.graylog2.contentpacks.model.entities.references.ValueType;
import java.io.IOException;
import java.util.Arrays;
import java.util.Locale;
public class ValueTypeDeserializer extends StdDeserializer {
public ValueTypeDeserializer() {
super(ValueType.class);
}
@Override
public ValueType deserialize(JsonParser p, DeserializationContext ctxt) throws IOException {
if (p.currentTokenId() == JsonTokenId.ID_STRING) {
final String str = StringUtils.upperCase(p.getText(), Locale.ROOT);
try {
return ValueType.valueOf(str);
} catch (IllegalArgumentException e) {
throw ctxt.weirdStringException(str, ValueType.class, e.getMessage());
}
} else {
throw ctxt.wrongTokenException(p, JsonToken.VALUE_STRING, "expected String " + Arrays.toString(ValueType.values()));
}
}
}