All Downloads are FREE. Search and download functionalities are using the official Maven repository.

com.fasterxml.jackson.databind.ser.std.SerializableSerializer Maven / Gradle / Ivy

There is a newer version: 2.22.2
Show newest version
package com.fasterxml.jackson.databind.ser.std;

import java.io.IOException;
import java.lang.reflect.Type;
import java.util.concurrent.atomic.AtomicReference;

import com.fasterxml.jackson.core.*;


import com.fasterxml.jackson.databind.JavaType;
import com.fasterxml.jackson.databind.JsonMappingException;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.JsonSerializable;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.SerializerProvider;
import com.fasterxml.jackson.databind.annotation.JacksonStdImpl;
import com.fasterxml.jackson.databind.jsonFormatVisitors.JsonFormatVisitorWrapper;
import com.fasterxml.jackson.databind.jsonschema.JsonSerializableSchema;
import com.fasterxml.jackson.databind.jsontype.TypeSerializer;
import com.fasterxml.jackson.databind.node.ObjectNode;
import com.fasterxml.jackson.databind.type.TypeFactory;

/**
 * Generic handler for types that implement {@link JsonSerializable}.
 *

* Note: given that this is used for anything that implements * interface, can not be checked for direct class equivalence. */ @JacksonStdImpl public class SerializableSerializer extends StdSerializer { public final static SerializableSerializer instance = new SerializableSerializer(); // Ugh. Should NOT need this... private final static AtomicReference _mapperReference = new AtomicReference(); protected SerializableSerializer() { super(JsonSerializable.class); } @Override public void serialize(JsonSerializable value, JsonGenerator jgen, SerializerProvider provider) throws IOException, JsonGenerationException { value.serialize(jgen, provider); } @Override public final void serializeWithType(JsonSerializable value, JsonGenerator jgen, SerializerProvider provider, TypeSerializer typeSer) throws IOException, JsonGenerationException { value.serializeWithType(jgen, provider, typeSer); } @Override @SuppressWarnings("deprecation") public JsonNode getSchema(SerializerProvider provider, Type typeHint) throws JsonMappingException { ObjectNode objectNode = createObjectNode(); String schemaType = "any"; String objectProperties = null; String itemDefinition = null; if (typeHint != null) { Class rawClass = TypeFactory.rawClass(typeHint); if (rawClass.isAnnotationPresent(JsonSerializableSchema.class)) { JsonSerializableSchema schemaInfo = rawClass.getAnnotation(JsonSerializableSchema.class); schemaType = schemaInfo.schemaType(); if (!JsonSerializableSchema.NO_VALUE.equals(schemaInfo.schemaObjectPropertiesDefinition())) { objectProperties = schemaInfo.schemaObjectPropertiesDefinition(); } if (!JsonSerializableSchema.NO_VALUE.equals(schemaInfo.schemaItemDefinition())) { itemDefinition = schemaInfo.schemaItemDefinition(); } } } /* 19-Mar-2012, tatu: geez, this is butt-ugly abonimation of code... * really, really should not require back ref to an ObjectMapper. */ objectNode.put("type", schemaType); if (objectProperties != null) { try { objectNode.put("properties", _getObjectMapper().readTree(objectProperties)); } catch (IOException e) { throw new JsonMappingException("Failed to parse @JsonSerializableSchema.schemaObjectPropertiesDefinition value"); } } if (itemDefinition != null) { try { objectNode.put("items", _getObjectMapper().readTree(itemDefinition)); } catch (IOException e) { throw new JsonMappingException("Failed to parse @JsonSerializableSchema.schemaItemDefinition value"); } } // always optional, no need to specify: //objectNode.put("required", false); return objectNode; } private final static synchronized ObjectMapper _getObjectMapper() { ObjectMapper mapper = _mapperReference.get(); if (mapper == null) { mapper = new ObjectMapper(); _mapperReference.set(mapper); } return mapper; } @Override public void acceptJsonFormatVisitor(JsonFormatVisitorWrapper visitor, JavaType typeHint) throws JsonMappingException { visitor.expectAnyFormat(typeHint); } }





© 2015 - 2024 Weber Informatics LLC | Privacy Policy