Benoit Tellier created JAMES-3677:
-------------------------------------
Summary: BackReference should allow pointing to specific array
elements
Key: JAMES-3677
URL: https://issues.apache.org/jira/browse/JAMES-3677
Project: James Server
Issue Type: Sub-task
Components: JMAP
Affects Versions: 3.6.0
Reporter: Benoit Tellier
Assignee: Antoine Duprat
Fix For: 3.7.0
Today James support JMAP BackReferences to allow compose JMAP method calls
together within a single JMAP request in order to reduce roundtrips, a la
graphQL.
https://jmap.io/spec-core.html#references-to-previous-method-results specify
the mechanism: a JSON pointer allow extracting the JSON value to supply from a
previously executed method response. It clearly state that
https://datatracker.ietf.org/doc/html/rfc6901 should be respected. RFC-6901
allow pointing toward dedicated array items:
{code:java}
Given
{
"foo": ["bar", "baz"],
...
}
The following JSON strings evaluate to the accompanying values:
...
"/foo/0" "bar"
...
{code}
However this is not currently supported by James.
Confusion arrise from the fact that JMAP relies on JSON pointers for updates
too and forbids to do partial updates. However no such limitation is stated in
the context of back references.
Thus, in a spec compliance effort, we shall allow pointing back-references to
items in arrays.
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