MyTBAHelper.java

package com.thebluealliance.androidclient.helpers;

import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.JsonPrimitive;

import com.thebluealliance.androidclient.TbaLogger;

import android.content.ComponentName;
import android.content.Intent;
import android.os.Bundle;

import java.util.Map;

public final class MyTBAHelper {

    private MyTBAHelper() {
        // unused
    }

    private static final String INTENT_PACKAGE = "package", INTENT_CLASS = "class", INTENT_EXTRAS = "extras";

    public static String createKey(String userName, String modelKey) {
        return userName + ":" + modelKey;
    }

    public static String getFavoritePreferenceKey() {
        return "favorite";
    }

    public static String serializeIntent(Intent intent) {
        JsonObject data = new JsonObject(), extras = new JsonObject();
        ComponentName activity = intent.getComponent();
        data.addProperty(INTENT_PACKAGE, activity.getPackageName());
        data.addProperty(INTENT_CLASS, activity.getClassName());
        Bundle bundle = intent.getExtras();
        if (bundle != null) {
            for (String key : bundle.keySet()) {
                Object val = bundle.get(key);
                if (val instanceof String) {
                    extras.addProperty(key, bundle.getString(key));
                } else if (val instanceof Integer) {
                    extras.addProperty(key, bundle.getInt(key));
                }
            }
        }
        data.add(INTENT_EXTRAS, extras);
        TbaLogger.d("Serialized: " + data.toString());
        return data.toString();
    }

    public static Intent deserializeIntent(String input) {
        JsonObject data = JSONHelper.getasJsonObject(input);
        Intent intent = new Intent();
        String pack = data.get(INTENT_PACKAGE).getAsString();
        String cls = data.get(INTENT_CLASS).getAsString();
        TbaLogger.d(pack + "/" + cls);
        intent.setClassName(pack, cls);
        JsonObject extras = data.get(INTENT_EXTRAS).getAsJsonObject();
        for (Map.Entry<String, JsonElement> extra : extras.entrySet()) {
            JsonPrimitive primitive = extra.getValue().getAsJsonPrimitive();
            if (primitive.isString()) {
                intent.putExtra(extra.getKey(), primitive.getAsString());
            } else if (primitive.isNumber()) {
                intent.putExtra(extra.getKey(), primitive.getAsInt());
            }
        }
        return intent;
    }

}