com.peterphi.std.guice.web.rest.service.jwt.JSONUtil Maven / Gradle / Ivy

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package com.peterphi.std.guice.web.rest.service.jwt;

import org.apache.log4j.Logger;

import javax.json.Json;
import javax.json.JsonArray;
import javax.json.JsonNumber;
import javax.json.JsonObject;
import javax.json.JsonString;
import javax.json.JsonValue;
import java.io.ByteArrayInputStream;
import java.io.StringReader;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

class JSONUtil
{
	private static final Logger log = Logger.getLogger(JSONUtil.class);


	public static Map parse(final byte[] value)
	{
		// Decode JSON from payload object
		final JsonObject json = Json.createReader(new ByteArrayInputStream(value)).readObject();

		return decodeMap(json);
	}


	public static Map parse(final String value)
	{
		// Decode JSON from payload object
		final JsonObject json = Json.createReader(new StringReader(value)).readObject();

		return decodeMap(json);
	}


	public static Map decodeMap(final JsonObject object)
	{
		return (Map) decode(object);
	}


	public static Object decode(JsonValue value)
	{
		if (log.isTraceEnabled())
			log.trace("Decode " + value.getValueType() + " - " + value);

		switch (value.getValueType())
		{
			case ARRAY:
				final List