Package com.pd4ml.pdf.merge.internal
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Class Summary Class Description PdfConformance Detects a source document's own self-declared PDF/A or PDF/UA conformance (thepdfaid/pdfuaididentification schema in its XMP/Metadata, ISO 19005 / ISO 14289), and builds the equivalent XMP for a merged output whose sources all agree.PdfConformance.Level One conformance identification:partis always present;conformance/revisionmay benull(PDF/UA has neither).StructureTreeMerger Reconciles the accessibility structure tree (/StructTreeRoot/StructElem/ParentTree//StructParents) across the pages pulled in from one or more source documents, building a single merged tree in the target document.UnreachableObjectSweeper Drops objects from a merge's in-progress targetCOSDocumentthat turn out unreachable from its trailer's/Root(and/Info//Encrypt, if present) once all cloning is done.