com.ibm.dgaasx.utils.JSONUtils.java Source code

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Here is the source code for com.ibm.dgaasx.utils.JSONUtils.java

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/*******************************************************************************
 * Licensed Materials - Property of IBM
 * (c) Copyright IBM Corporation 2014, 2015. All Rights Reserved.
 * 
 * Note to U.S. Government Users Restricted Rights:
 * Use, duplication or disclosure restricted by GSA ADP Schedule
 * Contract with IBM Corp. 
 *******************************************************************************/
package com.ibm.dgaasx.utils;

import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Map;
import java.util.SimpleTimeZone;

import com.fasterxml.jackson.databind.ObjectMapper;

public class JSONUtils {
    public static String toJSON(Object object) throws IOException {
        return writeValue(object);
    }

    public static Object fromJSON(String value, Class<?> clazz) throws IOException {
        return readValue(value, clazz);
    }

    public static SimpleDateFormat getSDFISO8601() {
        SimpleDateFormat sdf = new ISO8601DateTimeFormat();
        sdf.setTimeZone(new SimpleTimeZone(SimpleTimeZone.UTC_TIME, "UTC")); //$NON-NLS-1$
        return sdf;
    }

    public static String writeValue(Object object) throws IOException {
        ObjectMapper mapper = new ObjectMapper();
        mapper.setDateFormat(getSDFISO8601());
        return mapper.writeValueAsString(object);
    }

    public static Object readValue(String value, Class<?> clazz) throws IOException {
        ObjectMapper mapper = new ObjectMapper();
        return mapper.readValue(value, clazz);
    }

    @SuppressWarnings("unchecked")
    public static Map<String, String> getMapFromJson(String datajson) throws IOException {
        if (datajson == null) {
            return null;
        }

        return (Map<String, String>) JSONUtils.fromJSON(datajson, Map.class);
    }
}