in.sumeetkumar.asr.data.BundleTypeAdapter.java Source code

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Here is the source code for in.sumeetkumar.asr.data.BundleTypeAdapter.java

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/**
 * 
 * Funf: Open Sensing Framework
 * Copyright (C) 2010-2011 Nadav Aharony, Wei Pan, Alex Pentland.
 * Acknowledgments: Alan Gardner
 * Contact: nadav@media.mit.edu
 * 
 * This file is part of Funf.
 * 
 * Funf is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation, either version 3 of
 * the License, or (at your option) any later version.
 * 
 * Funf is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with Funf. If not, see <http://www.gnu.org/licenses/>.
 * 
 */
package in.sumeetkumar.asr.data;

import java.io.IOException;

import android.os.Bundle;

import com.google.gson.Gson;
import com.google.gson.TypeAdapter;
import com.google.gson.TypeAdapterFactory;
import com.google.gson.reflect.TypeToken;
import com.google.gson.stream.JsonReader;
import com.google.gson.stream.JsonWriter;

public class BundleTypeAdapter extends TypeAdapter<Bundle> {

    public static final TypeAdapterFactory FACTORY = new TypeAdapterFactory() {

        @SuppressWarnings("unchecked")
        @Override
        public <T> TypeAdapter<T> create(Gson gson, TypeToken<T> type) {
            if (Bundle.class.isAssignableFrom(type.getRawType())) {
                return (TypeAdapter<T>) new BundleTypeAdapter(gson);
            }
            return null;
        }
    };

    private Gson gson;

    public BundleTypeAdapter(Gson gson) {
        this.gson = gson;
    }

    @Override
    public void write(JsonWriter out, Bundle value) throws IOException {
        if (value == null) {
            out.nullValue();
        } else {
            out.beginObject();
            for (String key : value.keySet()) {
                out.name(key);
                Object innerValue = value.get(key);
                if (innerValue == null) {
                    out.nullValue();
                } else {
                    gson.toJson(innerValue, innerValue.getClass(), out);
                }
            }
            out.endObject();
        }
    }

    @Override
    public Bundle read(JsonReader in) throws IOException {
        throw new IOException("Bundle reading not implemented");
    }

    /*
    @Override
    public JsonElement serialize(Bundle src, Type typeOfSrc, JsonSerializationContext context) {
       if (src == null) {
     return JsonNull.INSTANCE;
       } else {
     JsonObject jsonObject = new JsonObject();
     for (String key : src.keySet()) {
        Object innerValue = src.get(key);
        jsonObject.add(key, gson.toJsonTree(innerValue));
     }
     return jsonObject;
       }
    }
    */

}