com.netflix.metacat.client.module.JacksonEncoder Maven / Gradle / Ivy
/*
* Copyright 2016 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 com.netflix.metacat.client.module;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import feign.RequestTemplate;
import feign.codec.EncodeException;
import feign.codec.Encoder;
import java.lang.reflect.Type;
/**
* Encoder for Metacat request.
* @author amajumdar
*/
public class JacksonEncoder implements Encoder {
private final ObjectMapper mapper;
/**
* Constructor.
* @param mapper Jackson mapper for Metacat request
*/
public JacksonEncoder(final ObjectMapper mapper) {
this.mapper = mapper;
}
/**
* Converts objects to an appropriate representation in the template.
*
* @param object what to encode as the request body.
* @param bodyType the type the object should be encoded as. {@code Map}, if form
* encoding.
* @param template the request template to populate.
* @throws feign.codec.EncodeException when encoding failed due to a checked exception.
*/
@Override
public void encode(final Object object, final Type bodyType, final RequestTemplate template)
throws EncodeException {
try {
template.body(mapper.writeValueAsString(object));
} catch (JsonProcessingException e) {
throw new EncodeException(e.getMessage(), e);
}
}
}