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JacksonEncoder.java
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57 lines (50 loc) · 1.93 KB
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/**
* Copyright 2012-2020 The Feign 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 feign.jackson;
import com.fasterxml.jackson.annotation.JsonInclude;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.JavaType;
import com.fasterxml.jackson.databind.Module;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.SerializationFeature;
import java.lang.reflect.Type;
import java.util.Collections;
import feign.RequestTemplate;
import feign.codec.EncodeException;
import feign.codec.Encoder;
import feign.Util;
public class JacksonEncoder implements Encoder {
private final ObjectMapper mapper;
public JacksonEncoder() {
this(Collections.<Module>emptyList());
}
public JacksonEncoder(Iterable<Module> modules) {
this(new ObjectMapper()
.setSerializationInclusion(JsonInclude.Include.NON_NULL)
.configure(SerializationFeature.INDENT_OUTPUT, true)
.registerModules(modules));
}
public JacksonEncoder(ObjectMapper mapper) {
this.mapper = mapper;
}
@Override
public void encode(Object object, Type bodyType, RequestTemplate template) {
try {
JavaType javaType = mapper.getTypeFactory().constructType(bodyType);
template.body(mapper.writerFor(javaType).writeValueAsBytes(object), Util.UTF_8);
} catch (JsonProcessingException e) {
throw new EncodeException(e.getMessage(), e);
}
}
}