org.springframework.boot.json.JacksonJsonParser Maven / Gradle / Ivy
/*
* Copyright 2012-2019 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.boot.json;
import java.util.List;
import java.util.Map;
import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.ObjectMapper;
/**
* Thin wrapper to adapt Jackson 2 {@link ObjectMapper} to {@link JsonParser}.
*
* @author Dave Syer
* @since 1.0.0
* @see JsonParserFactory
*/
public class JacksonJsonParser extends AbstractJsonParser {
private static final MapTypeReference MAP_TYPE = new MapTypeReference();
private static final ListTypeReference LIST_TYPE = new ListTypeReference();
private ObjectMapper objectMapper; // Late binding
/**
* Creates an instance with the specified {@link ObjectMapper}.
* @param objectMapper the object mapper to use
*/
public JacksonJsonParser(ObjectMapper objectMapper) {
this.objectMapper = objectMapper;
}
/**
* Creates an instance with a default {@link ObjectMapper} that is created lazily.
*/
public JacksonJsonParser() {
}
@Override
public Map parseMap(String json) {
return tryParse(() -> getObjectMapper().readValue(json, MAP_TYPE), Exception.class);
}
@Override
public List