Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
import android.nfc.NdefMessage;
import android.nfc.NdefRecord;

import android.util.Log;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import java.util.ArrayList;

import java.util.List;

public class Main {
    static final String TAG = "NfcPlugin";

    static JSONArray messageToJSON(NdefMessage message) {
        if (message == null) {
            return null;
        }

        List<JSONObject> list = new ArrayList<JSONObject>();

        for (NdefRecord ndefRecord : message.getRecords()) {
            list.add(recordToJSON(ndefRecord));
        }

        return new JSONArray(list);
    }

    static JSONObject recordToJSON(NdefRecord record) {
        JSONObject json = new JSONObject();
        try {
            json.put("tnf", record.getTnf());
            json.put("type", byteArrayToJSON(record.getType()));
            json.put("id", byteArrayToJSON(record.getId()));
            json.put("payload", byteArrayToJSON(record.getPayload()));
        } catch (JSONException e) {
            //Not sure why this would happen, documentation is unclear.
            Log.e(TAG, "Failed to convert ndef record into json: " + record.toString(), e);
        }
        return json;
    }

    static JSONArray byteArrayToJSON(byte[] bytes) {
        JSONArray json = new JSONArray();
        for (byte aByte : bytes) {
            json.put(aByte);
        }
        return json;
    }
}