com.iluwatar.aggregator.microservices.ProductInventoryClientImpl.java Source code

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Here is the source code for com.iluwatar.aggregator.microservices.ProductInventoryClientImpl.java

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/**
 * The MIT License
 * Copyright (c) 2014 Ilkka Seppl
 * <p/>
 * 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:
 * <p/>
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * <p/>
 * 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.iluwatar.aggregator.microservices;

import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;
import org.springframework.stereotype.Component;

import java.io.IOException;

/**
 * An adapter to communicate with inventory micro-service.
 */
@Component
public class ProductInventoryClientImpl implements ProductInventoryClient {

    @Override
    public int getProductInventories() {
        String response = "0";
        try (CloseableHttpClient httpClient = HttpClients.createDefault()) {
            HttpGet httpGet = new HttpGet("http://localhost:51516/inventories");
            try (CloseableHttpResponse httpResponse = httpClient.execute(httpGet)) {
                response = EntityUtils.toString(httpResponse.getEntity());
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
        return Integer.parseInt(response);
    }
}