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Java streaming client that provides easy-to-use client APIs to connect and subscribe to QuoteMedia's market data streaming services. https://quotemedia.com/

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package com.quotemedia.streamer.client.impl;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.quotemedia.streamer.messages.control.CtrlMessage;
import com.quotemedia.streamer.messages.market.DataMessage;

import java.io.IOException;
import java.io.UnsupportedEncodingException;

import static com.google.common.base.Preconditions.checkNotNull;

public class StompPayloadDecoder {
    private final ObjectMapper json;
    private final String textencoding;

    public StompPayloadDecoder(final ObjectMapper json) {
        checkNotNull(json);

        this.json = json;
        this.textencoding = "UTF-8"; // TODO make configurable
    }

    public Object decode(Object payload) throws IOException {
        if (payload == null) {
            return null;
        }
        Object decoded = read(decode(payload.toString()));
        return decoded;
    }

    public byte[] decode(final String text) throws UnsupportedEncodingException {
        return text != null ? text.getBytes(textencoding) : null;
    }

    public Object read(final byte[] bytes) throws IOException {
        Object obj = null;
        if (bytes != null) {
            obj = json.readValue(bytes, CtrlMessage.class);
            if (obj == null) {
                obj = json.readValue(bytes, DataMessage.class);
            }
        }
        return obj;
    }
}