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/*
 * Copyright 2017-2018 original authors
 *
 * 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 io.micronaut.jackson.convert;

import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import io.micronaut.core.convert.ConversionContext;
import io.micronaut.core.convert.TypeConverter;

import javax.inject.Singleton;
import java.util.Optional;

/**
 * 

A {@link TypeConverter} that can convert objects to JSON with Jackson.

* * @author Graeme Rocher * @since 1.0 */ @Singleton public class ObjectToJsonNodeConverter implements TypeConverter { private final ObjectMapper objectMapper; /** * @param objectMapper To read/write JSON */ public ObjectToJsonNodeConverter(ObjectMapper objectMapper) { this.objectMapper = objectMapper; } @Override public Optional convert(Object object, Class targetType, ConversionContext context) { try { return Optional.of(objectMapper.valueToTree(object)); } catch (IllegalArgumentException e) { context.reject(e); return Optional.empty(); } } }




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