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package eu.dnetlib.data.objectstore.filesystem;
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import java.io.UnsupportedEncodingException;
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import com.mongodb.DBObject;
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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.logging.Log;
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import org.apache.commons.logging.LogFactory;
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/**
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* The Class ObjectStoreFileBuilder generates an objectStoreFile bean
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*
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*/
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public class ObjectStoreFileUtility {
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private static final int KB_SIZE = 1024;
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/** The Constant log. */
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private static final Log log = LogFactory.getLog(ObjectStoreFileUtility.class);
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public static ObjectStoreFile build(final DBObject metadata, final String baseURI, final String objectStoreID, final String basePath) {
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String originalFile = (String) metadata.get("originalObject");
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ObjectStoreFile original = ObjectStoreFile.createObject(originalFile);
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ObjectStoreFile newFile = new ObjectStoreFile();
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newFile.setObjectID((String) metadata.get("id"));
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newFile.setAccessProtocol(Protocols.HTTP);
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newFile.setMimeType((String) metadata.get("mime"));
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newFile.setMd5Sum((String) metadata.get("md5Sum"));
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try{
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newFile.setFileSizeKB(Integer.parseInt(metadata.get("size").toString()) / KB_SIZE);
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} catch (Throwable e) {
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log.error("Error on getting 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 ((original.getDownloadedURL() == null) || (original.getDownloadedURL().length() == 0)) {
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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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try {
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newFile.setURI(ModularObjectStoreRESTService.retrieveURL(baseURI, basePath, objectStoreID, newFile.getObjectID()));
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} catch (UnsupportedEncodingException e) {
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log.error("Error on Build objectStoreFile ", e);
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}
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return newFile;
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}
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public static UnaryFunction<String, DBObject> asJSON(final String baseURI, final String objectStoreID, final String basePath) {
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return new UnaryFunction<String, DBObject>() {
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@Override
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public String evaluate(final DBObject input) {
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return build(input, baseURI, objectStoreID, basePath).toJSON();
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}
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};
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}
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}
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