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package eu.dnetlib.msro.workers.aggregation.collect.plugins.sftp;
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import java.util.Set;
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import java.util.stream.Stream;
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import com.google.common.base.Splitter;
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import com.google.common.collect.Sets;
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import eu.dnetlib.miscutils.streams.DnetStreamSupport;
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import eu.dnetlib.msro.workers.aggregation.collect.plugins.CollectorPlugin;
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import eu.dnetlib.msro.workers.aggregation.collect.plugins.DnetCollectorParam;
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import eu.dnetlib.msro.workers.aggregation.collect.plugins.DnetCollectorPlugin;
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import eu.dnetlib.msro.workers.aggregation.collect.plugins.ProtocolParameterType;
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import eu.dnetlib.msro.workers.aggregation.objects.InterfaceDescriptor;
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import eu.dnetlib.msro.workflows.nodes.collect.CollectException;
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import org.springframework.stereotype.Component;
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/**
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* Created by andrea on 11/01/16.
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*/
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@Component
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@DnetCollectorPlugin(value = "sftp", parameters = {
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@DnetCollectorParam("username"),
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@DnetCollectorParam("password"),
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@DnetCollectorParam(value = "recursive", type = ProtocolParameterType.BOOLEAN),
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@DnetCollectorParam(value = "extensions", type = ProtocolParameterType.LIST)
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})
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public class SftpCollectorPlugin implements CollectorPlugin {
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private SftpIteratorFactory sftpIteratorFactory;
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@Override
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public Stream<String> collect(final InterfaceDescriptor interfaceDescriptor, final String fromDate, final String toDate)
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throws CollectException {
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final String baseUrl = interfaceDescriptor.getBaseUrl();
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final String username = interfaceDescriptor.getParams().get("username");
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final String password = interfaceDescriptor.getParams().get("password");
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final String recursive = interfaceDescriptor.getParams().get("recursive");
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final String extensions = interfaceDescriptor.getParams().get("extensions");
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if ((baseUrl == null) || baseUrl.isEmpty()) { throw new CollectException("Param 'baseurl' is null or empty"); }
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if ((username == null) || username.isEmpty()) { throw new CollectException("Param 'username' is null or empty"); }
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if ((password == null) || password.isEmpty()) { throw new CollectException("Param 'password' is null or empty"); }
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if ((recursive == null) || recursive.isEmpty()) { throw new CollectException("Param 'recursive' is null or empty"); }
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if ((extensions == null) || extensions.isEmpty()) { throw new CollectException("Param 'extensions' is null or empty"); }
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if ((fromDate != null) && !fromDate.matches("\\d{4}-\\d{2}-\\d{2}")) { throw new CollectException("Invalid date (YYYY-MM-DD): " + fromDate); }
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// final int fromDateIntSeconds =
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final boolean isRecursive = "true".equals(recursive);
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final Set<String> extensionsSet = parseSet(extensions);
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return DnetStreamSupport.stream(getSftpIteratorFactory().newIterator(baseUrl, username, password, isRecursive, extensionsSet, fromDate));
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}
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private Set<String> parseSet(final String extensions) {
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return Sets.newHashSet(Splitter.on(",").omitEmptyStrings().trimResults().split(extensions));
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}
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public SftpIteratorFactory getSftpIteratorFactory() {
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return sftpIteratorFactory;
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}
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public void setSftpIteratorFactory(final SftpIteratorFactory sftpIteratorFactory) {
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this.sftpIteratorFactory = sftpIteratorFactory;
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}
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}
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