org.eclipse.californium.plugtests.util.JsonDecoder.java Source code

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Here is the source code for org.eclipse.californium.plugtests.util.JsonDecoder.java

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/*******************************************************************************
 * Copyright (c) 2019 Bosch Software Innovations GmbH and others.
 * 
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * and Eclipse Distribution License v1.0 which accompany this distribution.
 * 
 * The Eclipse Public License is available at
 *    http://www.eclipse.org/legal/epl-v10.html
 * and the Eclipse Distribution License is available at
 *    http://www.eclipse.org/org/documents/edl-v10.html.
 * 
 * Contributors:
 *    Bosch Software Innovations GmbH - initial implementation
 ******************************************************************************/
package org.eclipse.californium.plugtests.util;

import org.eclipse.californium.core.coap.CoAP;

import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.JsonElement;
import com.google.gson.JsonParser;
import com.google.gson.JsonSyntaxException;

public class JsonDecoder implements Decoder {

    @Override
    public String decode(byte[] payload) {
        try {
            JsonParser parser = new JsonParser();
            JsonElement element = parser.parse(new String(payload, CoAP.UTF8_CHARSET));
            GsonBuilder builder = new GsonBuilder();
            builder.setPrettyPrinting();
            Gson gson = builder.create();
            return gson.toJson(element);
        } catch (JsonSyntaxException ex) {
            ex.printStackTrace();
            throw ex;
        }
    }

}