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/**
* The contents of this file are subject to the license and copyright
* detailed in the LICENSE and NOTICE files at the root of the source
* tree and available online at
*
* http://www.dspace.org/license/
*/
package org.dspace.checker;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.sql.SQLException;
import java.time.Instant;
import java.time.LocalDate;
import java.time.ZoneOffset;
import java.time.format.DateTimeFormatter;
import java.util.List;
import org.dspace.checker.service.MostRecentChecksumService;
import org.dspace.checker.service.SimpleReporterService;
import org.dspace.content.Bitstream;
import org.dspace.content.service.BitstreamService;
import org.dspace.core.Context;
import org.dspace.core.I18nUtil;
import org.springframework.beans.factory.annotation.Autowired;
/**
* Simple Reporter implementation.
*
* @author Jim Downing
* @author Grace Carpenter
* @author Nathan Sarr
*
* TODO estimate string buffer sizes.
*/
public class SimpleReporterServiceImpl implements SimpleReporterService {
@Autowired(required = true)
protected MostRecentChecksumService mostRecentChecksumService = null;
@Autowired(required = true)
protected BitstreamService bitstreamService = null;
private String msg(String key) {
return I18nUtil.getMessage("org.dspace.checker.SimpleReporterImpl." + key);
}
/**
* Main Constructor.
*/
protected SimpleReporterServiceImpl() {
}
/**
* Sends the Deleted bitstream report to an administrator. for the
* specified date range.
*
* @param context context
* @param startDate the start date for the range
* @param endDate the end date for the range
* @param osw the output stream writer to write to.
* @return number of bitstreams found
* @throws IOException if IO error
* if io error occurs
* @throws SQLException if database error
*/
@Override
public int getDeletedBitstreamReport(Context context, Instant startDate, Instant endDate,
OutputStreamWriter osw) throws IOException, SQLException {
// get all the bitstreams marked deleted for today
List recentChecksums = mostRecentChecksumService
.findBitstreamResultTypeReport(context, startDate,
endDate, ChecksumResultCode.BITSTREAM_MARKED_DELETED);
osw.write("\n");
osw.write(msg("deleted-bitstream-intro"));
osw.write(applyDateFormatShort(startDate));
osw.write(" ");
osw.write(msg("date-range-to"));
osw.write(" ");
osw.write(applyDateFormatShort(endDate));
osw.write("\n\n\n");
if (recentChecksums.isEmpty()) {
osw.write("\n\n");
osw.write(msg("no-bitstreams-to-delete"));
osw.write("\n");
} else {
printHistoryRecords(recentChecksums, osw);
}
return recentChecksums.size();
}
/**
* Send the checksum changed report for the specified date range.
*
* @param context context
* @param startDate the start date for the range
* @param endDate the end date for the range
* @param osw the output stream writer to write to.
* @return number of bitstreams found
* @throws IOException if IO error
* if io error occurs
* @throws SQLException if database error
*/
@Override
public int getChangedChecksumReport(Context context, Instant startDate, Instant endDate,
OutputStreamWriter osw) throws IOException, SQLException {
// get all the bitstreams marked deleted for today
List history =
mostRecentChecksumService.findBitstreamResultTypeReport(context, startDate, endDate,
ChecksumResultCode.CHECKSUM_NO_MATCH);
osw.write("\n");
osw.write(msg("checksum-did-not-match"));
osw.write(" ");
osw.write("\n");
osw.write(applyDateFormatShort(startDate));
osw.write(" ");
osw.write(msg("date-range-to"));
osw.write(" ");
osw.write(applyDateFormatShort(endDate));
osw.write("\n\n\n");
if (history.isEmpty()) {
osw.write("\n\n");
osw.write(msg("no-changed-bitstreams"));
osw.write("\n");
} else {
printHistoryRecords(history, osw);
}
return history.size();
}
/**
* Send the bitstream not found report for the specified date range.
*
* @param context context
* @param startDate the start date for the range.
* @param endDate the end date for the range.
* @param osw the output stream writer to write to.
* @return number of bitstreams found
* @throws IOException if IO error
* if io error occurs
* @throws SQLException if database error
*/
@Override
public int getBitstreamNotFoundReport(Context context, Instant startDate, Instant endDate,
OutputStreamWriter osw) throws IOException, SQLException {
// get all the bitstreams marked deleted for today
List history =
mostRecentChecksumService.findBitstreamResultTypeReport(context, startDate, endDate,
ChecksumResultCode.BITSTREAM_NOT_FOUND);
osw.write("\n");
osw.write(msg("bitstream-not-found-report"));
osw.write(" ");
osw.write(applyDateFormatShort(startDate));
osw.write(" ");
osw.write(msg("date-range-to"));
osw.write(" ");
osw.write(applyDateFormatShort(endDate));
osw.write("\n\n\n");
if (history.isEmpty()) {
osw.write("\n\n");
osw.write(msg("no-bitstreams-changed"));
osw.write("\n");
} else {
printHistoryRecords(history, osw);
}
return history.size();
}
/**
* Send the bitstreams that were set to not be processed report for the
* specified date range.
*
* @param context context
* @param startDate the start date for the range
* @param endDate the end date for the range
* @param osw the output stream writer to write to.
* @return number of bitstreams found
* @throws IOException if IO error
* if io error occurs
* @throws SQLException if database error
*/
@Override
public int getNotToBeProcessedReport(Context context, Instant startDate, Instant endDate,
OutputStreamWriter osw) throws IOException, SQLException {
// get all the bitstreams marked deleted for today
List mostRecentChecksums = mostRecentChecksumService
.findNotProcessedBitstreamsReport(context, startDate,
endDate);
osw.write("\n");
osw.write(msg("bitstream-will-no-longer-be-processed"));
osw.write(" ");
osw.write(applyDateFormatShort(startDate));
osw.write(" ");
osw.write(msg("date-range-to"));
osw.write(" ");
osw.write(applyDateFormatShort(endDate));
osw.write("\n\n\n");
if (mostRecentChecksums.isEmpty()) {
osw.write("\n\n");
osw.write(msg("no-bitstreams-to-no-longer-be-processed"));
osw.write("\n");
} else {
printHistoryRecords(mostRecentChecksums, osw);
}
return mostRecentChecksums.size();
}
/**
* Get any bitstreams that are not checked by the checksum checker.
*
* @param context context
* @param osw the OutputStreamWriter to write to
* @return the number of unchecked bitstreams
* @throws IOException if IO error
* if io error occurs
* @throws SQLException if database error
*/
@Override
public int getUncheckedBitstreamsReport(Context context, OutputStreamWriter osw)
throws IOException, SQLException {
// get all the bitstreams marked deleted for today
List bitstreams = bitstreamService.findBitstreamsWithNoRecentChecksum(context);
osw.write("\n");
osw.write(msg("unchecked-bitstream-report"));
osw.write(" ");
osw.write(applyDateFormatShort(Instant.now()));
osw.write("\n\n\n");
if (bitstreams.isEmpty()) {
osw.write("\n\n");
osw.write(msg("no-unchecked-bitstreams"));
osw.write("\n");
} else {
osw.write(msg("howto-add-unchecked-bitstreams"));
osw.write("\n\n\n");
this.printDSpaceInfoRecords(context, bitstreams, osw);
}
return bitstreams.size();
}
/**
* Create a list of the found history records.
*
* @param mostRecentChecksums the list of history records to be iterated over.
* @param osw the output stream writer to write to.
* @throws IOException if IO error
* if io error occurs
*/
protected void printHistoryRecords(List mostRecentChecksums, OutputStreamWriter osw)
throws IOException {
for (MostRecentChecksum mostRecentChecksum : mostRecentChecksums) {
StringBuilder buf = new StringBuilder(1000);
buf.append("------------------------------------------------ \n");
buf.append(msg("bitstream-id")).append(" = ").append(
mostRecentChecksum.getBitstream().getID()).append("\n");
buf.append(msg("process-start-date")).append(" = ").append(
applyDateFormatLong(mostRecentChecksum.getProcessStartDate()))
.append("\n");
buf.append(msg("process-end-date")).append(" = ").append(
applyDateFormatLong(mostRecentChecksum.getProcessEndDate()))
.append("\n");
buf.append(msg("checksum-expected")).append(" = ").append(
mostRecentChecksum.getExpectedChecksum()).append("\n");
buf.append(msg("checksum-calculated")).append(" = ").append(
mostRecentChecksum.getCurrentChecksum()).append("\n");
buf.append(msg("result")).append(" = ").append(
mostRecentChecksum.getChecksumResult().getResultCode()).append("\n");
buf.append("----------------------------------------------- \n\n");
osw.write(buf.toString());
}
}
/**
* Create a list of the found history records.
*
* @param context context
* @param bitstreams the list of history records to be iterated over.
* @param osw the output stream to write to.
* @throws IOException if IO error
* if io error occurs
* @throws SQLException if database error
*/
protected void printDSpaceInfoRecords(Context context, List bitstreams, OutputStreamWriter osw)
throws IOException, SQLException {
for (Bitstream info : bitstreams) {
StringBuilder buf = new StringBuilder(1000);
buf.append("------------------------------------------------ \n");
buf.append(msg("format-id")).append(" = ").append(
info.getFormat(context).getID()).append("\n");
buf.append(msg("deleted")).append(" = ").append(info.isDeleted())
.append("\n");
buf.append(msg("bitstream-id")).append(" = ").append(
info.getID()).append("\n");
buf.append(msg("checksum-algorithm")).append(" = ").append(
info.getChecksumAlgorithm()).append("\n");
buf.append(msg("internal-id")).append(" = ").append(
info.getInternalId()).append("\n");
buf.append(msg("name")).append(" = ").append(info.getName())
.append("\n");
buf.append(msg("size")).append(" = ").append(info.getSizeBytes())
.append("\n");
buf.append(msg("source")).append(" = ").append(info.getSource())
.append("\n");
buf.append(msg("checksum")).append(" = ").append(
info.getChecksum()).append("\n");
buf.append(msg("store-number")).append(" = ").append(
info.getStoreNumber()).append("\n");
buf.append(msg("description")).append(" = ").append(
info.getUserFormatDescription()).append("\n");
buf.append("----------------------------------------------- \n\n");
osw.write(buf.toString());
}
}
protected String applyDateFormatLong(Instant thisDate) {
return DateTimeFormatter.ISO_INSTANT.format(thisDate);
}
protected String applyDateFormatShort(Instant thisDate) {
return DateTimeFormatter.ISO_LOCAL_DATE.format(LocalDate.ofInstant(thisDate, ZoneOffset.UTC));
}
}
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