com.ae.apps.pnrstatus.service.NetworkService.java Source code

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Here is the source code for com.ae.apps.pnrstatus.service.NetworkService.java

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/*
 * MIT License
 *
 * Copyright (c) 2019 Midhun Harikumar
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

package com.ae.apps.pnrstatus.service;

import android.util.Pair;

import com.ae.apps.pnrstatus.exceptions.StatusException;
import com.squareup.okhttp.FormEncodingBuilder;
import com.squareup.okhttp.HttpUrl;
import com.squareup.okhttp.MediaType;
import com.squareup.okhttp.OkHttpClient;
import com.squareup.okhttp.Request;
import com.squareup.okhttp.RequestBody;
import com.squareup.okhttp.Response;

import java.io.IOException;
import java.util.List;
import java.util.Map;

public class NetworkService {

    private OkHttpClient client;

    private static NetworkService sService;

    private NetworkService() {
        client = new OkHttpClient();
    }

    public static NetworkService getInstance() {
        if (null == sService) {
            sService = new NetworkService();
        }
        return sService;
    }

    public String doGetRequest(final String httpUrl) throws Exception {
        return doGetRequest(httpUrl, null);
    }

    public String doGetRequest(final String httpUrl, List<Pair<String, String>> params) throws Exception {
        HttpUrl.Builder urlBuilder = HttpUrl.parse(httpUrl).newBuilder();

        // Add Query Params if present
        if (null != params && !params.isEmpty()) {
            for (Pair<String, String> param : params) {
                urlBuilder.addQueryParameter(param.first, param.second);
            }
        }

        String url = urlBuilder.build().toString();

        try {
            Request request = new Request.Builder().url(url).build();
            Response response = client.newCall(request).execute();

            return response.body().string();
        } catch (IOException ex) {
            throw new StatusException(ex.getMessage(), StatusException.ErrorCodes.URL_ERROR);
        }
    }

    public static final MediaType WEB_FORM = MediaType.parse("application/x-www-form-urlencoded");

    public String doPostRequest(final String targetUrl, final Map<String, String> headers,
            final Map<String, String> params) throws StatusException {
        //RequestBody requestBody = RequestBody.create(WEB_FORM, "");
        try {
            Request.Builder requestBuilder = new Request.Builder().url(targetUrl);
            if (null != headers) {
                for (String key : headers.keySet()) {
                    requestBuilder.addHeader(key, String.valueOf(headers.get(key)));
                }
            }
            //--
            FormEncodingBuilder formEncodingBuilder = new FormEncodingBuilder();
            if (null != params) {
                for (String key : params.keySet()) {
                    formEncodingBuilder.add(key, String.valueOf(params.get(key)));
                }
            }

            RequestBody formBody = formEncodingBuilder.build();
            Request request = requestBuilder.url(targetUrl).post(formBody).build();

            Response response = client.newCall(request).execute();
            return response.body().string();
        } catch (IOException ex) {
            throw new StatusException(ex.getMessage(), StatusException.ErrorCodes.URL_ERROR);
        }
    }
}