org.springframework.batch.item.json.JacksonJsonObjectMarshaller Maven / Gradle / Ivy
/*
* Copyright 2018 the original author or 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
*
* https://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 org.springframework.batch.item.json;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.springframework.batch.item.ItemStreamException;
/**
* A json object marshaller that uses Jackson
* to marshal an object into a json representation.
*
* @param type of objects to marshal
* @author Mahmoud Ben Hassine
* @since 4.1
*/
public class JacksonJsonObjectMarshaller implements JsonObjectMarshaller {
private ObjectMapper objectMapper = new ObjectMapper();
/**
* Set the {@link ObjectMapper} to use.
* @param objectMapper to use
*/
public void setObjectMapper(ObjectMapper objectMapper) {
this.objectMapper = objectMapper;
}
@Override
public String marshal(T item) {
try {
return objectMapper.writeValueAsString(item);
} catch (JsonProcessingException e) {
throw new ItemStreamException("Unable to marshal object " + item + " to Json", e);
}
}
}