> + Set<StorageMetadata> storageMetadatas = new HashSet<StorageMetadata>();
> +
> + for (JoyentObject joyentObject : form) {
> + StorageType storageType = null;
> + if (JoyentObject.TYPE_FOLDER.equals(joyentObject.getContentType()))
> {
> + storageType = StorageType.FOLDER;
> + } else if
> (JoyentObject.TYPE_BLOB.equals(joyentObject.getContentType())) {
> + storageType = StorageType.BLOB;
> + }
> +
> + Date creationDate = joyentObject.getLastModified();
> + @SuppressWarnings("unchecked") StorageMetadata storageMetadata =
> new StorageMetadataImpl(storageType, null,
> + joyentObject.getName(), null, null, joyentObject.getEtag(),
> creationDate, creationDate,
> + Collections.EMPTY_MAP);
> + storageMetadatas.add(storageMetadata);
> + }
If you encapsulate the transformation in a `Function<JoyentObject,
StorageMetadata>`, you can remove the loop and take advantage of the Guava's
lazy iterators and lazy transformations, to transform only the elements that
are actually read.
```java
return new PageSetImpl<StorageMetadata>(Iterables.transform(form,
transformationFunction), null);
```
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