/**
* Delete bitstream from item
*
* @param context
* @param ItemArchive
* @param isTest
* @param suppressUndo
* @throws IllegalArgumentException
* @throws ParseException
* @throws IOException
* @throws AuthorizeException
* @throws SQLException
*/
public void execute(Context context, ItemArchive itarch, boolean isTest, boolean suppressUndo)
throws IllegalArgumentException, IOException, SQLException, AuthorizeException,
ParseException {
File f = new File(itarch.getDirectory(), ItemUpdate.DELETE_CONTENTS_FILE);
if (!f.exists()) {
ItemUpdate.pr(
"Warning: Delete_contents file for item " + itarch.getDirectoryName() + " not found.");
} else {
List<Integer> list = MetadataUtilities.readDeleteContentsFile(f);
if (list.isEmpty()) {
ItemUpdate.pr("Warning: empty delete_contents file for item " + itarch.getDirectoryName());
} else {
for (int id : list) {
try {
Bitstream bs = Bitstream.find(context, id);
if (bs == null) {
ItemUpdate.pr("Bitstream not found by id: " + id);
} else {
Bundle[] bundles = bs.getBundles();
for (Bundle b : bundles) {
if (isTest) {
ItemUpdate.pr("Delete bitstream with id = " + id);
} else {
b.removeBitstream(bs);
ItemUpdate.pr("Deleted bitstream with id = " + id);
}
}
if (alterProvenance) {
DtoMetadata dtom = DtoMetadata.create("dc.description.provenance", "en", "");
String append =
"Bitstream " + bs.getName() + " deleted on " + DCDate.getCurrent() + "; ";
Item item = bundles[0].getItems()[0];
ItemUpdate.pr("Append provenance with: " + append);
if (!isTest) {
MetadataUtilities.appendMetadata(item, dtom, false, append);
}
}
}
} catch (SQLException e) {
ItemUpdate.pr("Error finding bitstream from id: " + id + " : " + e.toString());
}
}
}
}
}
private void processArchive(
Context context,
String sourceDirPath,
String itemField,
String metadataIndexName,
boolean alterProvenance,
boolean isTest)
throws Exception {
// open and process the source directory
File sourceDir = new File(sourceDirPath);
if ((sourceDir == null) || !sourceDir.exists() || !sourceDir.isDirectory()) {
pr("Error, cannot open archive source directory " + sourceDirPath);
throw new Exception("error with archive source directory " + sourceDirPath);
}
String[] dircontents = sourceDir.list(directoryFilter); // just the names, not the path
Arrays.sort(dircontents);
// Undo is suppressed to prevent undo of undo
boolean suppressUndo = false;
File fSuppressUndo = new File(sourceDir, SUPPRESS_UNDO_FILENAME);
if (fSuppressUndo.exists()) {
suppressUndo = true;
}
File undoDir = null; // sibling directory of source archive
if (!suppressUndo && !isTest) {
undoDir = initUndoArchive(sourceDir);
}
int itemCount = 0;
int successItemCount = 0;
for (String dirname : dircontents) {
itemCount++;
pr("");
pr("processing item " + dirname);
try {
ItemArchive itarch = ItemArchive.create(context, new File(sourceDir, dirname), itemField);
for (UpdateAction action : actionMgr) {
pr("action: " + action.getClass().getName());
action.execute(context, itarch, isTest, suppressUndo);
if (!isTest && !suppressUndo) {
itarch.writeUndo(undoDir);
}
}
if (!isTest) {
Item item = itarch.getItem();
item.update(); // need to update before commit
context.commit();
item.decache();
}
ItemUpdate.pr("Item " + dirname + " completed");
successItemCount++;
} catch (Exception e) {
pr("Exception processing item " + dirname + ": " + e.toString());
}
}
if (!suppressUndo && !isTest) {
StringBuilder sb = new StringBuilder("dsrun org.dspace.app.itemupdate.ItemUpdate ");
sb.append(" -e ").append(this.eperson);
sb.append(" -s ").append(undoDir);
if (itemField != null) {
sb.append(" -i ").append(itemField);
}
if (!alterProvenance) {
sb.append(" -P ");
}
if (isTest) {
sb.append(" -t ");
}
for (String actionOption : undoActionList) {
sb.append(actionOption);
}
PrintWriter pw = null;
try {
File cmdFile = new File(undoDir.getParent(), undoDir.getName() + "_command.sh");
pw = new PrintWriter(new BufferedWriter(new FileWriter(cmdFile)));
pw.println(sb.toString());
} finally {
pw.close();
}
}
pr("");
pr(
"Done processing. Successful items: "
+ successItemCount
+ " of "
+ itemCount
+ " items in source archive");
pr("");
}
