D-Net

package eu.dnetlib.msro.workers.aggregation.collect.plugins.split;

import java.io.BufferedInputStream;

import java.io.IOException;

import org.apache.http.HttpStatus;

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.springframework.stereotype.Component;

import eu.dnetlib.msro.workers.aggregation.collect.plugins.DnetCollectorParam;

import eu.dnetlib.msro.workers.aggregation.collect.plugins.DnetCollectorPlugin;

import eu.dnetlib.msro.workflows.nodes.collect.CollectException;

@Component

@DnetCollectorPlugin(value = "http", parameters = {

		@DnetCollectorParam("splitOnElement")

})

public class HttpCollectorPlugin extends AbstractSplittedRecordPlugin {

	@Override

	protected BufferedInputStream getBufferedInputStream(final String baseUrl) throws CollectException {

		try (CloseableHttpClient client = HttpClients.createDefault()) {

			final HttpGet method = new HttpGet(baseUrl);

			try (CloseableHttpResponse response = client.execute(method)) {

				final int statusCode = response.getStatusLine().getStatusCode();

				if (HttpStatus.SC_OK != statusCode) { throw new CollectException("Error " + statusCode + " dowloading url: " + baseUrl); }

				return new BufferedInputStream(response.getEntity().getContent());

			}

		} catch (final IOException e) {

			throw new CollectException("Error dowloading url: " + baseUrl);

		}

	}

}