com.sitewhere.hbase.common.MarshalUtils.java Source code

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Here is the source code for com.sitewhere.hbase.common.MarshalUtils.java

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/*
 * MarshalUtils.java 
 * --------------------------------------------------------------------------------------
 * Copyright (c) Reveal Technologies, LLC. All rights reserved. http://www.reveal-tech.com
 *
 * The software in this package is published under the terms of the CPAL v1.0
 * license, a copy of which has been included with this distribution in the
 * LICENSE.txt file.
 */
package com.sitewhere.hbase.common;

import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.sitewhere.spi.SiteWhereException;

public class MarshalUtils {

    /**
     * Marshal an object to a JSON string.
     * 
     * @param object
     * @return
     * @throws SiteWhereException
     */
    public static byte[] marshalJson(Object object) throws SiteWhereException {
        ObjectMapper mapper = new ObjectMapper();
        try {
            return mapper.writeValueAsBytes(object);
        } catch (JsonProcessingException e) {
            throw new SiteWhereException("Could not marshal device as JSON.", e);
        }
    }

    /**
     * Unmarshal a JSON string to an object.
     * 
     * @param json
     * @param type
     * @return
     * @throws SiteWhereException
     */
    public static <T> T unmarshalJson(byte[] json, Class<T> type) throws SiteWhereException {
        ObjectMapper mapper = new ObjectMapper();
        try {
            return mapper.readValue(json, type);
        } catch (Throwable e) {
            throw new SiteWhereException("Unable to parse JSON.", e);
        }
    }
}