pulsar-broker/src/main/java/com/yahoo/pulsar/broker/JSONWritable.java

/**
 * Copyright 2016 Yahoo 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.yahoo.pulsar.broker;

import com.fasterxml.jackson.annotation.JsonIgnore;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.yahoo.pulsar.common.util.ObjectMapperFactory;

/**
 * Helper class used to conveniently convert a data class to a JSON.
 */
public class JSONWritable {

    /**
     * Get the JSON of this object as a byte[].
     * 
     * @return A byte[] of this object's JSON.
     * @throws JsonProcessingException
     */
    @JsonIgnore
    public byte[] getJsonBytes() throws JsonProcessingException {
        return ObjectMapperFactory.getThreadLocal().writeValueAsBytes(this);
    }

    /**
     * Get the JSON of this object as a String.
     * 
     * @return A String of this object's JSON.
     * @throws JsonProcessingException
     */
    @JsonIgnore
    public String getJsonString() throws JsonProcessingException {
        return ObjectMapperFactory.getThreadLocal().writeValueAsString(this);
    }
}