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Merge pull request #1210 from kohts/DS-2315

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DS-2315: export Simple Archive Format without bitstreams
This commit is contained in:
helix84
2015-12-11 10:05:41 +01:00
parent e41f4d9853 6ca6d9060f
commit ccfec39bb5
3 changed files with 47 additions and 31 deletions
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16
dspace-api/src/main/java/org/dspace/app/itemexport/ItemExportCLITool.java
View File

@@ -71,6 +71,10 @@ public class ItemExportCLITool {
options.addOption("z", "zip", true, "export as zip file (specify filename e.g. export.zip)");
options.addOption("h", "help", false, "help");
// as pointed out by Peter Dietz this provides similar functionality to export metadata
// but it is needed since it directly exports to Simple Archive Format (SAF)
options.addOption("x", "exclude-bitstreams", false, "do not export bitstreams");
CommandLine line = parser.parse(options, argv);
String typeString = null;
@@ -137,6 +141,12 @@ public class ItemExportCLITool {
zipFileName = line.getOptionValue('z');
}
boolean excludeBitstreams = false;
if (line.hasOption('x'))
{
excludeBitstreams = true;
}
// now validate the args
if (myType == -1)
{
@@ -234,14 +244,14 @@ public class ItemExportCLITool {
System.out.println("Exporting from collection: " + myIDString);
items = itemService.findByCollection(c, mycollection);
}
itemExportService.exportAsZip(c, items, destDirName, zipFileName, seqStart, migrate);
itemExportService.exportAsZip(c, items, destDirName, zipFileName, seqStart, migrate, excludeBitstreams);
}
else
{
if (myItem != null)
{
// it's only a single item
itemExportService.exportItem(c, Collections.singletonList(myItem).iterator(), destDirName, seqStart, migrate);
itemExportService.exportItem(c, Collections.singletonList(myItem).iterator(), destDirName, seqStart, migrate, excludeBitstreams);
}
else
{
@@ -249,7 +259,7 @@ public class ItemExportCLITool {
// it's a collection, so do a bunch of items
Iterator<Item> i = itemService.findByCollection(c, mycollection);
itemExportService.exportItem(c, i, destDirName, seqStart, migrate);
itemExportService.exportItem(c, i, destDirName, seqStart, migrate, excludeBitstreams);
}
}

52
dspace-api/src/main/java/org/dspace/app/itemexport/ItemExportServiceImpl.java
View File

@@ -88,7 +88,8 @@ public class ItemExportServiceImpl implements ItemExportService
@Override
public void exportItem(Context c, Iterator<Item> i,
String destDirName, int seqStart, boolean migrate) throws Exception
String destDirName, int seqStart, boolean migrate,
boolean excludeBitstreams) throws Exception
{
int mySequenceNumber = seqStart;
int counter = SUBDIR_LIMIT - 1;
@@ -123,13 +124,13 @@ public class ItemExportServiceImpl implements ItemExportService
}
System.out.println("Exporting item to " + mySequenceNumber);
exportItem(c, i.next(), fullPath, mySequenceNumber, migrate);
exportItem(c, i.next(), fullPath, mySequenceNumber, migrate, excludeBitstreams);
mySequenceNumber++;
}
}
protected void exportItem(Context c, Item myItem, String destDirName,
int seqStart, boolean migrate) throws Exception
int seqStart, boolean migrate, boolean excludeBitstreams) throws Exception
{
File destDir = new File(destDirName);
@@ -138,8 +139,9 @@ public class ItemExportServiceImpl implements ItemExportService
// now create a subdirectory
File itemDir = new File(destDir + "/" + seqStart);
System.out.println("Exporting Item " + myItem.getID() + " to "
+ itemDir);
System.out.println("Exporting Item " + myItem.getID() +
(myItem.getHandle() != null ? ", handle " + myItem.getHandle() : "") +
" to " + itemDir);
if (itemDir.exists())
{
@@ -151,7 +153,7 @@ public class ItemExportServiceImpl implements ItemExportService
{
// make it this far, now start exporting
writeMetadata(c, myItem, itemDir, migrate);
writeBitstreams(c, myItem, itemDir);
writeBitstreams(c, myItem, itemDir, excludeBitstreams);
if (!migrate)
{
writeHandle(c, myItem, itemDir);
@@ -354,8 +356,8 @@ public class ItemExportServiceImpl implements ItemExportService
* @throws Exception
* if there is any problem writing to the export directory
*/
protected void writeBitstreams(Context c, Item i, File destDir)
throws Exception
protected void writeBitstreams(Context c, Item i, File destDir,
boolean excludeBitstreams) throws Exception
{
File outFile = new File(destDir, "contents");
@@ -389,12 +391,10 @@ public class ItemExportServiceImpl implements ItemExportService
int myPrefix = 1; // only used with name conflict
InputStream is = bitstreamService.retrieve(c, bitstream);
boolean isDone = false; // done when bitstream is finally
// written
while (!isDone) {
while (!excludeBitstreams && !isDone) {
if (myName.contains(File.separator)) {
String dirs = myName.substring(0, myName
.lastIndexOf(File.separator));
@@ -408,12 +408,24 @@ public class ItemExportServiceImpl implements ItemExportService
File fout = new File(destDir, myName);
if (fout.createNewFile()) {
InputStream is = bitstreamService.retrieve(c, bitstream);
FileOutputStream fos = new FileOutputStream(fout);
Utils.bufferedCopy(is, fos);
// close streams
is.close();
fos.close();
isDone = true;
} else {
myName = myPrefix + "_" + oldName; // keep
// appending
// numbers to the
// filename until
// unique
myPrefix++;
}
}
// write the manifest file entry
if (bitstreamService.isRegisteredBitstream(bitstream)) {
out.println("-r -s " + bitstream.getStoreNumber()
@@ -425,16 +437,6 @@ public class ItemExportServiceImpl implements ItemExportService
primary + description);
}
isDone = true;
} else {
myName = myPrefix + "_" + oldName; // keep
// appending
// numbers to the
// filename until
// unique
myPrefix++;
}
}
}
}
@@ -450,7 +452,9 @@ public class ItemExportServiceImpl implements ItemExportService
@Override
public void exportAsZip(Context context, Iterator<Item> items,
String destDirName, String zipFileName,
int seqStart, boolean migrate) throws Exception
int seqStart, boolean migrate,
boolean excludeBitstreams) throws Exception
{
String workDir = getExportWorkDirectory() +
System.getProperty("file.separator") +
@@ -469,7 +473,7 @@ public class ItemExportServiceImpl implements ItemExportService
}
// export the items using normal export method
exportItem(context, items, workDir, seqStart, migrate);
exportItem(context, items, workDir, seqStart, migrate, excludeBitstreams);
// now zip up the export directory created above
zip(workDir, destDirName + System.getProperty("file.separator") + zipFileName);
@@ -716,7 +720,7 @@ public class ItemExportServiceImpl implements ItemExportService
// export the items using normal export method
exportItem(context, iitems, workDir, 1, migrate);
exportItem(context, iitems, workDir, 1, migrate, false);
}
// now zip up the export directory created above

6
dspace-api/src/main/java/org/dspace/app/itemexport/service/ItemExportService.java
View File

@@ -47,7 +47,8 @@ public interface ItemExportService {
public static final String COMPRESSED_EXPORT_MIME_TYPE = "application/zip";
public void exportItem(Context c, Iterator<Item> i,
String destDirName, int seqStart, boolean migrate) throws Exception;
String destDirName, int seqStart, boolean migrate,
boolean excludeBitstreams) throws Exception;
/**
* Method to perform an export and save it as a zip file.
@@ -62,7 +63,8 @@ public interface ItemExportService {
*/
public void exportAsZip(Context context, Iterator<Item> items,
String destDirName, String zipFileName,
int seqStart, boolean migrate) throws Exception;
int seqStart, boolean migrate,
boolean excludeBitstreams) throws Exception;
/**
* Convenience methot to create export a single Community, Collection, or