feign.jackson.JacksonEncoder.java Source code

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/*
 * Copyright 2013 Netflix, Inc.
 *
 * 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 feign.jackson;

import com.fasterxml.jackson.annotation.JsonInclude;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.SerializationFeature;
import feign.RequestTemplate;
import feign.codec.EncodeException;
import feign.codec.Encoder;

public class JacksonEncoder implements Encoder {
    private final ObjectMapper mapper;

    public JacksonEncoder() {
        this(new ObjectMapper().setSerializationInclusion(JsonInclude.Include.NON_NULL)
                .configure(SerializationFeature.INDENT_OUTPUT, true));
    }

    public JacksonEncoder(ObjectMapper mapper) {
        this.mapper = mapper;
    }

    @Override
    public void encode(Object object, RequestTemplate template) throws EncodeException {
        try {
            template.body(mapper.writeValueAsString(object));
        } catch (JsonProcessingException e) {
            throw new EncodeException(e.getMessage(), e);
        }
    }
}