com.sap.cds.adapter.odata.v4.serializer.json.Apply2JsonBuilder Maven / Gradle / Ivy

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OData V4 adapter for CDS Services Java

There is a newer version: 3.2.0

/**************************************************************************
 * (C) 2019-2024 SAP SE or an SAP affiliate company. All rights reserved. *
 **************************************************************************/
package com.sap.cds.adapter.odata.v4.serializer.json;

import java.net.URI;

import org.apache.olingo.commons.api.IConstants;
import org.apache.olingo.server.api.ServiceMetadata;
import org.apache.olingo.server.core.serializer.utils.ContextURLBuilder;

import com.sap.cds.adapter.odata.v4.serializer.json.options.Apply2JsonOptions;
import com.sap.cds.adapter.odata.v4.serializer.json.primitive.Number2Json;
import com.sap.cds.adapter.odata.v4.serializer.json.primitive.String2Json;

public class Apply2JsonBuilder {

	public static Apply2Json create(Apply2JsonOptions options, URI nextLinkUri, long inlineCount) {
		Apply2Json apply2Json = new Apply2Json();
		addAnnotations(options, nextLinkUri, inlineCount, apply2Json);
		return apply2Json;
	}

	private static void addAnnotations(Apply2JsonOptions options, URI nextLinkUri, long inlineCount,
			Apply2Json apply2Json) {
		IConstants constants = options.getConstants();
		ServiceMetadata metadata = options.getGlobals().getServiceMetadata();

		if (options.getCount() != null && options.getCount().getValue()) {
			if (inlineCount > -1) {
				apply2Json.count = Number2Json.constant(options.getConstants().getCount(), inlineCount);
			}
		}
		if (!options.isODataMetadataNone()) {
			if (options.getContextURL() != null) {
				apply2Json.context = String2Json.constant(constants.getContext(),
						ContextURLBuilder.create(options.getContextURL()).toASCIIString());
				if (metadata.getServiceMetadataETagSupport() != null
						&& metadata.getServiceMetadataETagSupport().getMetadataETag() != null) {
					apply2Json.metadataEtag = String2Json.constant(constants.getMetadataEtag(),
							metadata.getServiceMetadataETagSupport().getMetadataETag());
				}
			}
		}

		if (nextLinkUri != null) {
			apply2Json.nextLink = String2Json.constant(constants.getNextLink(), nextLinkUri.toASCIIString());
		}
	}
}