com.atlan.serde.AtlanPolicyActionDeserializer Maven / Gradle / Ivy
/* SPDX-License-Identifier: Apache-2.0
Copyright 2022 Atlan Pte. Ltd. */
package com.atlan.serde;
import com.atlan.model.enums.*;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.JsonDeserializer;
import com.fasterxml.jackson.databind.JsonMappingException;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.deser.ResolvableDeserializer;
import com.fasterxml.jackson.databind.deser.std.StdDeserializer;
import com.fasterxml.jackson.databind.jsontype.TypeDeserializer;
import java.io.IOException;
/**
* Deserialization of all {@link AtlanPolicyAction} objects.
* This custom deserialization is necessary to handle varying sub-enumerations given Java's lack of
* inheritance for enumerations.
*/
public class AtlanPolicyActionDeserializer extends StdDeserializer
implements ResolvableDeserializer {
private static final long serialVersionUID = 2L;
private final JsonDeserializer defaultDeserializer;
public AtlanPolicyActionDeserializer(JsonDeserializer defaultDeserializer) {
super(AtlanPolicyAction.class);
this.defaultDeserializer = defaultDeserializer;
}
/**
* {@inheritDoc}
*/
@Override
public Object deserializeWithType(JsonParser p, DeserializationContext ctxt, TypeDeserializer typeDeserializer)
throws IOException {
return deserialize(p, ctxt);
}
/**
* {@inheritDoc}
*/
@Override
public AtlanPolicyAction deserialize(JsonParser parser, DeserializationContext context) throws IOException {
JsonNode root = parser.getCodec().readTree(parser);
if (root != null && root.isTextual()) {
String value = root.asText();
return deserialize(value);
}
return null;
}
public static AtlanPolicyAction deserialize(String value) {
if (value.startsWith("persona")) {
if (value.startsWith("persona-glossary")) {
return PersonaGlossaryAction.fromValue(value);
} else {
return PersonaMetadataAction.fromValue(value);
}
} else if (value.equals("select")) {
return DataAction.fromValue(value);
} else if (value.startsWith("type-") || value.endsWith("-label") || value.endsWith("-relationship")) {
return TypeDefAction.fromValue(value);
} else {
return PurposeMetadataAction.fromValue(value);
}
}
/**
* {@inheritDoc}
*/
@Override
public void resolve(DeserializationContext ctxt) throws JsonMappingException {
((ResolvableDeserializer) defaultDeserializer).resolve(ctxt);
}
}