Several operations on content can be implemented on the server side using the Unified API from Java. Especially, you may want to place restrictions on the content that is stored in your repository. This may be achieved by pointing the editors to invalid content, by normalizing content during writes or by inhibiting writes that violate your constraints.
Section 7.15.1, “Validators” describes how to add validation for values stored in the content repository.
Section 7.15.2, “Intercepting Write Requests” describes how to modify writes before they are executed.
Section 7.15.3, “Immediate Validation” describes how to inhibit undesirable writes.
Section 7.15.4, “Post-processing Write Requests” describes how to take additional action after a write has been completed.
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