67 lines
2.6 KiB
Java
67 lines
2.6 KiB
Java
package eu.dnetlib.data.collector.plugins.ftp;
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import java.util.Iterator;
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import java.util.Set;
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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.data.collector.plugin.AbstractCollectorPlugin;
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import eu.dnetlib.data.collector.rmi.CollectorServiceException;
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import eu.dnetlib.data.collector.rmi.InterfaceDescriptor;
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import org.springframework.beans.factory.annotation.Required;
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/**
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*
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* @author Author: Andrea Mannocci
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*
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*/
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public class FtpCollectorPlugin extends AbstractCollectorPlugin {
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private FtpIteratorFactory ftpIteratorFactory;
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@Override
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public Iterable<String> collect(final InterfaceDescriptor interfaceDescriptor, final String fromDate, final String untilDate)
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throws CollectorServiceException {
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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 CollectorServiceException("Param 'baseurl' is null or empty"); }
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if ((username == null) || username.isEmpty()) { throw new CollectorServiceException("Param 'username' is null or empty"); }
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if ((password == null) || password.isEmpty()) { throw new CollectorServiceException("Param 'password' is null or empty"); }
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if ((recursive == null) || recursive.isEmpty()) { throw new CollectorServiceException("Param 'recursive' is null or empty"); }
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if ((extensions == null) || extensions.isEmpty()) { throw new CollectorServiceException("Param 'extensions' is null or empty"); }
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if (fromDate != null && !fromDate.matches("\\d{4}-\\d{2}-\\d{2}")) { throw new CollectorServiceException("Invalid date (YYYY-MM-DD): " + fromDate); }
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return new Iterable<String>() {
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boolean isRecursive = "true".equals(recursive);
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Set<String> extensionsSet = parseSet(extensions);
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@Override
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public Iterator<String> iterator() {
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return getFtpIteratorFactory().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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};
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}
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public FtpIteratorFactory getFtpIteratorFactory() {
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return ftpIteratorFactory;
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}
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@Required
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public void setFtpIteratorFactory(final FtpIteratorFactory ftpIteratorFactory) {
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this.ftpIteratorFactory = ftpIteratorFactory;
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}
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}
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