111 lines
3.1 KiB
Java
111 lines
3.1 KiB
Java
package org.gcube.portlets.user.geoportaldataentry.server;
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import static org.gcube.application.geoportal.client.GeoportalAbstractPlugin.mongoConcessioni;
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import java.io.FileInputStream;
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import java.io.FileNotFoundException;
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import java.io.InputStream;
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import java.io.Serializable;
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import java.util.ArrayList;
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import java.util.List;
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import org.gcube.application.geoportal.common.rest.MongoConcessioni;
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import org.gcube.application.geoportal.common.rest.TempFile;
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import org.gcube.application.geoportal.common.utils.StorageUtils;
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import org.gcube.contentmanagement.blobstorage.transport.backend.RemoteBackendException;
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import org.gcube.portlets.widgets.mpformbuilder.shared.upload.FileUploaded;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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/**
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* The Class ServiceUtil.
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*
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* @author Francesco Mangiacrapa at ISTI-CNR (francesco.mangiacrapa@isti.cnr.it)
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*
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* Jan 28, 2021
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*/
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public class ServiceUtil {
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private static Logger LOG = LoggerFactory.getLogger(ServiceUtil.class);
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/**
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* Gets the instance mongo concessioni.
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*
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* @return the instance mongo concessioni
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*/
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public MongoConcessioni getInstanceMongoConcessioni() {
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return mongoConcessioni().build();
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}
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/**
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* Creates the temp file on storage.
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*
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* @param is the is
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* @param fileName the file name
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* @return the temp file
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*/
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public TempFile createTempFileOnStorage(InputStream is, String fileName) {
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LOG.debug("createTempFileOnStorage called");
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StorageUtils storage = new StorageUtils();
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TempFile toUpload = null;
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try {
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LOG.info("calling putOntoStorage the stream with the fileName: " + fileName);
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toUpload = storage.putOntoStorage(is, fileName);
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} catch (RemoteBackendException | FileNotFoundException e) {
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LOG.error("Error when uploading stream on Storage: ", e);
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}
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return toUpload;
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}
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/**
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* To tem files.
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*
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* @param listFileUploaded the list file uploaded
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* @return the list
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*/
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public List<TempFile> toTemFiles(List<FileUploaded> listFileUploaded) {
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LOG.debug("toTemFiles called");
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if (listFileUploaded == null || listFileUploaded.isEmpty())
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return null;
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// Building TempFile
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List<TempFile> files = new ArrayList<TempFile>(listFileUploaded.size());
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for (FileUploaded fileUploaded : listFileUploaded) {
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FileInputStream fis;
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try {
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fis = new FileInputStream(fileUploaded.getTempSystemPath());
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// Creating TempFile
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TempFile storageTempFile = createTempFileOnStorage(fis, fileUploaded.getFileName());
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files.add(storageTempFile);
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} catch (FileNotFoundException e) {
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LOG.error("Error on loading temp file with path: " + fileUploaded.getTempSystemPath(), e);
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}
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}
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return files;
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}
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/**
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* To JSON.
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*
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* @param <T> the generic type
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* @param report the report
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* @return the string
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*/
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public String toJSON(Object theObj) {
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LOG.debug("toJSON called");
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try {
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if(theObj instanceof Serializable) {
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return org.gcube.application.geoportal.client.utils.Serialization.write(theObj);
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}
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throw new Exception("The input object is not serializable");
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} catch (Exception e) {
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LOG.warn("Error on deserializing: ", e);
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return null;
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}
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}
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}
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