io.proximax.xpx.service.IpfsGatewaySyncService Maven / Gradle / Ivy

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Proximax P2P File Storage Java SDK (NIS1 Compatible)

There is a newer version: 0.1.0-beta.10

/*
 * Copyright 2018 ProximaX Limited
 *
 * 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 io.proximax.xpx.service;

import org.pmw.tinylog.Logger;

import java.io.IOException;
import java.net.URL;
import java.util.List;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

import static java.lang.String.format;

public class IpfsGatewaySyncService {

    private List syncGateways;
    private ExecutorService executor;
    private HttpClient httpClient;

    public IpfsGatewaySyncService(List syncGateways) {
        this(syncGateways, new HttpClient());
    }

    IpfsGatewaySyncService(List syncGateways, HttpClient httpClient) {
        this.syncGateways = syncGateways;
        this.executor = Executors.newCachedThreadPool();
        this.httpClient = httpClient;
    }

    public void syncToGatewaysAsynchronously(String dataHash) {
        if (syncGateways == null || syncGateways.isEmpty()) return;

        executor.submit(() -> syncGateways.forEach(gateway -> {
            try {
                final URL gatewayUrl = new URL(gateway + "/ipfs/" + dataHash);
                httpClient.head(gatewayUrl);
            } catch (IOException e) {
                Logger.error(format("Error syncing to gateways %s for hash %s", gateway, dataHash), e);
            }
        }));
    }
}