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Merge pull request #218 from europeana/MET-1778
Met 1778
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.../europeana/cloud/service/dps/storm/topologies/oaipmh/bolt/harvester/CustomConnection.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,56 @@ | ||
| package eu.europeana.cloud.service.dps.storm.topologies.oaipmh.bolt.harvester; | ||
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| import org.apache.commons.io.IOUtils; | ||
| import org.apache.http.HttpResponse; | ||
| import org.apache.http.client.HttpClient; | ||
| import org.apache.http.client.methods.HttpGet; | ||
| import org.apache.http.impl.client.HttpClientBuilder; | ||
| import org.dspace.xoai.serviceprovider.exceptions.HttpException; | ||
| import org.dspace.xoai.serviceprovider.parameters.Parameters; | ||
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| import java.io.IOException; | ||
| import java.io.InputStream; | ||
| import java.util.concurrent.TimeUnit; | ||
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| /** | ||
| * Created by Tarek on 3/7/2019. | ||
| */ | ||
| public class CustomConnection { | ||
| private String baseUrl; | ||
| private HttpClient httpclient; | ||
| private int timeout = '\uea60'; | ||
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| public CustomConnection(String baseUrl) { | ||
| this.baseUrl = baseUrl; | ||
| this.httpclient = HttpClientBuilder.create().setConnectionTimeToLive(timeout, TimeUnit.SECONDS).build(); | ||
| } | ||
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| public String execute(Parameters parameters) throws HttpException { | ||
| HttpGet httpGet = null; | ||
| try { | ||
| httpGet = this.createGetRequest(parameters); | ||
| HttpResponse response = this.httpclient.execute(httpGet); | ||
| if (response.getStatusLine().getStatusCode() == 200) { | ||
| return getData(response.getEntity().getContent()); | ||
| } else { | ||
| throw new HttpException("Error querying service. Returned HTTP Status Code: " + response.getStatusLine().getStatusCode()); | ||
| } | ||
| } catch (IOException exception) { | ||
| throw new HttpException(exception); | ||
| } finally { | ||
| if (httpGet != null) | ||
| httpGet.releaseConnection(); | ||
| } | ||
| } | ||
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| private String getData(InputStream is) throws IOException { | ||
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| return IOUtils.toString(is, "UTF-8"); | ||
| } | ||
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| private HttpGet createGetRequest(Parameters parameters) { | ||
| return new HttpGet(parameters.toUrl(this.baseUrl)); | ||
| } | ||
| } |
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