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src: fix npe on null description
In FixLowQualityThumbnails we need to make sure that bitstream de- scriptions are not null or empty before trying to evaluate them.
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@ -124,6 +124,10 @@ public class FixLowQualityThumbnails {
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for (Bitstream thumbnailBitstream : thumbnailBundleBitstreams) {
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String thumbnailDescription = thumbnailBitstream.getDescription();
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if (StringUtils.isEmpty(thumbnailDescription)) {
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continue;
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}
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// Check if this item has a bitstream in the THUMBNAIL bundle with description "IM
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// Thumbnail", but only if we haven't already seen one in another iteration for this
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// bundle.
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@ -140,6 +144,10 @@ public class FixLowQualityThumbnails {
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String thumbnailName = thumbnailBitstream.getName();
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String thumbnailDescription = thumbnailBitstream.getDescription();
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if (StringUtils.isEmpty(thumbnailDescription)) {
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continue;
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}
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// If this item has a "Generated Thumbnail" we can remove it, because those
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// typically come from other JPEGs in the ORIGINAL bundle and we would prefer
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// the IM Thumbnail generated from a PDF anyway. The DSpace-generated descri-
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@ -225,6 +233,10 @@ public class FixLowQualityThumbnails {
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String originalDescription = originalBitstream.getDescription();
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String originalFormat = originalBitstream.getFormat(context).getMIMEType();
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if (StringUtils.isEmpty(originalDescription)) {
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continue;
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}
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/*
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- check if the bitstream is a JPEG based on its MIME Type
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- check if the bitstream's name or description is "Thumbnail"
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