OkHttpNetworkFetcher.java

/*
 * Copyright (C) 2021 - Amir Hossein Aghajari
 *
 * 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.aghajari.sample.axrlottie;

import androidx.annotation.NonNull;
import androidx.annotation.Nullable;

import com.aghajari.rlottie.network.AXrLottieFetchResult;
import com.aghajari.rlottie.network.AXrLottieNetworkFetcher;

import java.io.IOException;
import java.io.InputStream;
import java.util.concurrent.TimeUnit;

import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;

public class OkHttpNetworkFetcher extends AXrLottieNetworkFetcher {

    OkHttpClient client = null;

    private OkHttpNetworkFetcher() {
    }

    public static OkHttpNetworkFetcher create() {
        return new OkHttpNetworkFetcher();
    }

    @Override
    protected void updateClient() {
        client = new OkHttpClient.Builder()
                .followRedirects(true).followSslRedirects(true)
                .connectTimeout(getConnectTimeout(), TimeUnit.MILLISECONDS)
                .readTimeout(getReadTimeout(), TimeUnit.MILLISECONDS)
                .build();
    }

    @NonNull
    @Override
    public AXrLottieFetchResult fetchSync(@NonNull String url) throws IOException {
        if (client == null) updateClient();

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

        return new OkHttpNetworkFetchResult(response);
    }

    public static class OkHttpNetworkFetchResult implements AXrLottieFetchResult {

        @NonNull
        private final Response response;

        public OkHttpNetworkFetchResult(@NonNull Response response) {
            this.response = response;
        }

        @Override
        public boolean isSuccessful() {
            return response.isSuccessful();
        }

        @NonNull
        @Override
        public InputStream bodyByteStream() {
            return response.body().byteStream();
        }

        @Nullable
        @Override
        public String contentType() {
            String contentType = null;
            if (response.body().contentType() != null)
                contentType = response.body().contentType().toString();
            return contentType;
        }

        @Nullable
        @Override
        public String error() {
            return isSuccessful() ? null :
                    "Unable to fetch " + response.request().url() +
                            ". Failed with " + response.code() + "\n" +
                            response.message();
        }

        @Override
        public void close() {
            try {
                response.body().close();
                response.close();
            } catch (Exception ignore) {
            }
        }

    }
}