JacksonMapper.java

/*
 * Copyright 2014 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
 *
 *     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 org.nosceon.titanite.json;

import com.fasterxml.jackson.databind.ObjectMapper;
import org.nosceon.titanite.BodyReader;
import org.nosceon.titanite.BodyWriter;

/**
 * @author Johan Siebens
 */
public final class JacksonMapper {

    private static JacksonMapper INSTANCE = new JacksonMapper(new ObjectMapper());

    public static <T> BodyReader<T> json(Class<T> type) {
        return INSTANCE.reader(type);
    }

    public static BodyWriter json(Object value) {
        return INSTANCE.writer(value);
    }

    private final ObjectMapper mapper;

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

    public <T> BodyReader<T> reader(Class<T> type) {
        return in -> mapper.readValue(in, type);
    }

    public BodyWriter writer(Object value) {
        return (out) -> mapper.writeValue(out, value);
    }

}