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| public class BlobstoreResource implements ApplicationResource {
// variables skipped
public BlobstoreResource(String keyStr, Application application) {
this.application = application;
this.blobKey = new BlobKey(keyStr);
this.blobInfo = new BlobInfoFactory().loadBlobInfo(blobKey);
if (blobInfo == null)
; // handle missing blob here
application.addResource(this);
}
@Override
public String getMIMEType() {
return blobInfo.getContentType();
}
@Override
public DownloadStream getStream() {
InputStream inputStream;
try {
inputStream = new BlobstoreInputStream(blobKey);
} catch (IOException e) {
return null;
}
final DownloadStream ds = new DownloadStream(inputStream,
getMIMEType(), getFilename());
ds.setBufferSize(getBufferSize());
ds.setCacheTime(cacheTime);
return ds;
}
// other methods skipped ...
}
|
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