expectedAssocs = new ArrayList<>(5);
expectedAssocs.add(new ExpectedAssoc(RenditionModel.ASSOC_RENDITION, "imgpreview", 1));
expectedAssocs.add(new ExpectedAssoc(RenditionModel.ASSOC_RENDITION, "avatar", 1));
performLongRunningThumbnailTest(expectedThumbnails, expectedAssocs, new EmptyLongRunningConcurrentWork(), 1, 1);
}
/**
* Test transformer.
*
* @since 4.0.1
*/
private static class TransientFailTransformer extends AbstractContentTransformer2
{
public boolean isTransformable(String sourceMimetype, String targetMimetype, TransformationOptions options)
{
return sourceMimetype.equals(MimetypeMap.MIMETYPE_PDF) && targetMimetype.equals(TEST_FAILING_MIME_TYPE);
}
protected void transformInternal(ContentReader reader, ContentWriter writer, TransformationOptions options) throws Exception
{
// fail every time.
throw new ContentServiceTransientException("Transformation intentionally failed for test purposes.");
}
}
/**
* Bogus transformer that simulates a somewhat longer running transformation
*/
private static class LongRunningTransformer extends AbstractContentTransformer2
{
private int transformCount = 0;
@Override
public void register()
{
super.register();
setStrictMimeTypeCheck(false);
}
public void setTransformCount(int transformCount)
{
this.transformCount = transformCount;
}
public int getTransformCount()
{
return transformCount;
}
@Override
public boolean isTransformable(String sourceMimetype, String targetMimetype, TransformationOptions options)
{
return sourceMimetype.equals(TEST_LONG_RUNNING_MIME_TYPE) &&
(targetMimetype.equals(MimetypeMap.MIMETYPE_IMAGE_JPEG) ||
targetMimetype.equals(MimetypeMap.MIMETYPE_IMAGE_PNG));
}
@Override
protected void transformInternal(ContentReader reader, ContentWriter writer, TransformationOptions options)
throws Exception
{
Thread.sleep(TEST_LONG_RUNNING_TRANSFORM_TIME);
writer.putContent("SUCCESS");
transformCount++;
}
}
/**
* Defines the work to be done while long running transformations are being performed
* and the means to verify that work completed successfully.
*
* Implementations might update a property then verify the updated value for example.
*/
private interface LongRunningConcurrentWork
{
public void run(NodeRef source) throws Exception;
public void verify(NodeRef source) throws Exception;
}
/**
* Implementation of LongRunningConcurrentWork that does nothing
*/
private class EmptyLongRunningConcurrentWork implements LongRunningConcurrentWork
{
@Override
public void run(NodeRef source) throws Exception { }
@Override
public void verify(NodeRef source) throws Exception { }
}
}