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Fixed bundle ranges.

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This commit is contained in:
Michael Spalti
2021-11-03 17:22:06 -07:00
parent 6b5ae6f528
commit 7ba9894d8e
2 changed files with 19 additions and 13 deletions
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24
dspace-iiif/src/main/java/org/dspace/app/iiif/service/ManifestService.java
View File

@@ -139,6 +139,10 @@ public class ManifestService extends AbstractResourceService {
* @param manifestId the generated manifestId
*/
private void addCanvasAndRange(Context context, Item item, String manifestId) {
// Set the root range for this manifest.
rangeService.setInitialRange(manifestId);
// Process the bitstreams in each bundle.
List<Bundle> bundles = utils.getIIIFBundles(item);
for (Bundle bnd : bundles) {
@@ -146,30 +150,28 @@ public class ManifestService extends AbstractResourceService {
if (bundles.size() > 1) {
bundleToCPrefix = utils.getBundleIIIFToC(bnd);
}
// Set the root range for this manifest.
rangeService.setInitialRange(manifestId);
for (Bitstream bitstream : utils.getIIIFBitstreams(context, bnd)) {
// Add the canvas to the manifest's sequence.
CanvasGenerator canvasGenerator = sequenceService.addCanvas(context, item, bnd, bitstream);
CanvasGenerator fullCanvas = sequenceService.addCanvas(context, item, bnd, bitstream);
// Now process ranges.
// Now process the ranges.
List<String> tocs = utils.getIIIFToCs(bitstream, bundleToCPrefix);
if (tocs.size() > 0) {
// If toc fields exist for the bitstream, start a new range.
rangeService.setTocRange(tocs, canvasGenerator);
// If toc fields exist for the bitstream, add a new range.
rangeService.setTocRange(tocs, fullCanvas);
} else {
// If ranges have been created, add canvas ids to the current range.
// Add canvas ids to the currently active range.
if (rangeService.getTocRanges().size() > 0) {
RangeGenerator currentRange = rangeService.getLastRange();
currentRange.addCanvas(canvasService.getRangeCanvasReference(
canvasGenerator.getIdentifier())
);
String canvasIdentifier = fullCanvas.getIdentifier();
CanvasGenerator simpleCanvas = canvasService.getRangeCanvasReference(canvasIdentifier);
currentRange.addCanvas(simpleCanvas);
}
}
}
}
// Finally, if ranges were found add them to manifest's structures element.
// If ranges were created add them to manifest's structures element.
Map<String, RangeGenerator> tocRanges = rangeService.getTocRanges();
if (tocRanges != null && tocRanges.size() > 0) {
RangeGenerator rootRange = rangeService.getRootRange();

8
dspace-iiif/src/main/java/org/dspace/app/iiif/service/RangeService.java
View File

@@ -70,8 +70,12 @@ public class RangeService extends AbstractResourceService {
}
/**
* Creates generator for the root table of contents range.
* @param manifestId manifest id
* @return root range generator
*/
private RangeGenerator getRootGenerator(String manifestId) {
// The root range that will be used for this manifest.
RangeGenerator root = new RangeGenerator(this);
// This hint is required.
root.addViewingHint("top");
@@ -131,7 +135,7 @@ public class RangeService extends AbstractResourceService {
// Finally, update the range that will be used in the next iteration.
lastRange = currRange;
}
}
}
/**
* Ranges expect the sub-range object to have only an identifier.