com.flipkart.android.proteus.demo.converter.UrlEncodedGsonRequestBodyConverter.java Source code

Introduction

Here is the source code for com.flipkart.android.proteus.demo.converter.UrlEncodedGsonRequestBodyConverter.java

Source

/*
 * Apache License
 * Version 2.0, January 2004
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
 *
 * Copyright (c) 2017 Flipkart Internet Pvt. Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use
 * this file except in compliance with the License. You may obtain a copy of the
 * License at http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed
 * under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
 * CONDITIONS OF ANY KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations under the License.
 */

package com.flipkart.android.proteus.demo.converter;

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

import java.io.IOException;
import java.io.StringWriter;
import java.io.Writer;
import java.lang.reflect.Type;
import java.net.URLEncoder;

import okhttp3.MediaType;
import okhttp3.RequestBody;
import retrofit2.Converter;

class UrlEncodedGsonRequestBodyConverter<T> implements Converter<T, RequestBody> {
    private static final MediaType MEDIA_TYPE = MediaType.parse("application/json; charset=UTF-8");
    private final Gson gson;
    private final Type type;

    UrlEncodedGsonRequestBodyConverter(Gson gson, Type type) {
        this.gson = gson;
        this.type = type;
    }

    @Override
    public RequestBody convert(T value) throws IOException {
        //noinspection unchecked
        TypeAdapter<T> adapter = (TypeAdapter<T>) gson.getAdapter(TypeToken.get(type));
        Writer writer = new StringWriter();
        JsonWriter jsonWriter = gson.newJsonWriter(writer);
        adapter.write(jsonWriter, value);
        jsonWriter.close();
        return RequestBody.create(MEDIA_TYPE, URLEncoder.encode(writer.toString(), "UTF-8").getBytes());
    }
}