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Context serialization created using JSONLD_FRAME_FLAT setting @set for @type results in an invalid Context #337

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Context serialization created using JSONLD_FRAME_FLAT setting @set for @type results in an invalid Context#337

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dnx2710

opened

on Mar 16, 2023

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Given a context like:

"@context": {
    "@vocab": "https://example.org",
    "@type": {
      "@container": "@set"
    }
}

When using the serialization for framing, the term's definition value for @id is used and added to the context resulting in:

"@context": {
    "@vocab": "https://example.org",
    "@type": {
      "@id": "type"
      "@container": "@set"
    }
}

This goes against the de-serialization rules:

jsonld-java/core/src/main/java/com/github/jsonldjava/core/Context.java

Lines 324 to 328 in 7a6cd62

	if (JsonLdUtils.isKeyword(term)
	&& !(options.getAllowContainerSetOnType() && JsonLdConsts.TYPE.equals(term)
	&& !(context.get(term)).toString().contains(JsonLdConsts.ID))) {
	throw new JsonLdError(Error.KEYWORD_REDEFINITION, term);
	}

The type's @id definition was added in change: 673dac2 and seems like it was tested with compact serialization.

Serialization references:

jsonld-java/core/src/main/java/com/github/jsonldjava/core/Context.java

Lines 470 to 472 in 7a6cd62

	if (JsonLdConsts.TYPE.equals(term)) {
	definition.put(JsonLdConsts.ID, "type");
	}

jsonld-java/core/src/main/java/com/github/jsonldjava/core/Context.java

Lines 1173 to 1178 in 7a6cd62

	final String cid = this.compactIri((String) definition.get(JsonLdConsts.ID));
	final Boolean reverseProperty = Boolean.TRUE
	.equals(definition.get(JsonLdConsts.REVERSE));
	if (!(term.equals(cid) && !reverseProperty)) {
	defn.put(reverseProperty ? JsonLdConsts.REVERSE : JsonLdConsts.ID, cid);
	}

jsonld-java/core/src/main/java/com/github/jsonldjava/core/JsonLdProcessor.java

Line 329 in 7a6cd62

final Map<String, Object> rval = activeCtx.serialize();

Reacted by jake-goldsmith

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