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package eu.dnetlib.data.objectstore.s3;
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import eu.dnetlib.data.objectstore.rmi.ObjectStoreFile;
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import eu.dnetlib.data.objectstore.rmi.Protocols;
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import eu.dnetlib.miscutils.functional.UnaryFunction;
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import org.apache.commons.lang3.StringUtils;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.bson.Document;
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/**
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* The Class ObjectStoreFileBuilder generates an objectStoreFile bean
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*/
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public class ObjectStoreS3Utility {
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private static final int KB_SIZE = 1024;
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/**
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* The Constant log.
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*/
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private static final Log log = LogFactory.getLog(ObjectStoreS3Utility.class);
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public static ObjectStoreFile build(final Document metadata) {
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final String originalFile = metadata.getString("originalObject");
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final ObjectStoreFile original = ObjectStoreFile.createObject(originalFile);
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final ObjectStoreFile newFile = new ObjectStoreFile();
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newFile.setObjectID(metadata.getString("id"));
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newFile.setAccessProtocol(Protocols.None);
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newFile.setMimeType( metadata.getString("mime"));
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newFile.setMd5Sum(metadata.getString("md5Sum"));
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try {
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newFile.setFileSizeKB(Long.parseLong(metadata.get("size").toString()) / KB_SIZE);
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} catch (Throwable e) {
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log.error("Error on getting file size", e);
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}
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if (originalFile != null) {
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newFile.setMetadataRelatedID(original.getMetadataRelatedID());
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if (StringUtils.isBlank(original.getDownloadedURL())) {
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newFile.setDownloadedURL(original.getURI());
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} else {
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newFile.setDownloadedURL(original.getDownloadedURL());
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}
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}
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newFile.setURI(metadata.get("uri").toString());
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return newFile;
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}
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public static UnaryFunction<String, Document> asJSON() {
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return input -> build(input).toJSON();
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}
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}
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