com.sap.cds.adapter.odata.v4.ODataV4IndexContentProvider Maven / Gradle / Ivy

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OData V4 adapter for CDS Services Java

There is a newer version: 3.6.0

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

import java.io.PrintWriter;
import java.util.stream.Stream;

import com.sap.cds.adapter.IndexContentProvider;
import com.sap.cds.reflect.CdsDefinition;
import com.sap.cds.reflect.CdsEntity;
import com.sap.cds.reflect.CdsService;
import com.sap.cds.services.runtime.CdsRuntime;
import com.sap.cds.services.utils.DraftUtils;
import com.sap.cds.services.utils.ODataUtils;
import com.sap.cds.services.utils.model.CdsAnnotations;
import com.sap.cds.services.utils.path.CdsResourcePath;
import com.sap.cds.services.utils.path.CdsServicePath;

public class ODataV4IndexContentProvider implements IndexContentProvider {

	private static final String SERVICE = "" +
			"                \n" +
			"                    %s\n" +
			"                    / $metadata\n" +
			"                \n";

	private static final String ENTITY_START = "" +
			"                \n";

	private static final String ENTITY = "" +
			"                    \n" +
			"                        %s\n" +
			"                    \n";

	private static final String ENTITY_END = "" +
			"                \n";


	private final CdsRuntime runtime;

	public ODataV4IndexContentProvider(CdsRuntime runtime) {
		this.runtime = runtime;
	}

	@Override
	public String getSectionTitle() {
		return "OData V4 endpoints";
	}

	@Override
	public void writeContent(PrintWriter out, String contextPath) {
		Stream cdsServicePaths = CdsServicePath.servicePaths(runtime, CdsODataV4ServletFactory.PROTOCOL_KEY);
		CdsODataV4ServletFactory servletFactory = new CdsODataV4ServletFactory();
		servletFactory.setCdsRuntime(runtime);
		String basePath = servletFactory.getBasePath();
		String theBasePath = contextPath + (basePath.equals("/") ? "" : basePath);

		cdsServicePaths.filter(p -> p.getCdsDefinition() instanceof CdsService).forEach(s -> {
			String path = theBasePath + "/" + s.getPath();
			out.format(SERVICE, path, path, path);
			out.write(ENTITY_START);
			s.subPaths().filter(e -> isExposedEntity(e.getCdsDefinition())).forEach(e -> {
				String entityPath = path + "/" + ODataUtils.toODataName(e.getPath());
				out.format(ENTITY, entityPath, e.getPath());
			});
			out.write(ENTITY_END);
		});
	}

	private boolean isExposedEntity(CdsDefinition definition) {
		if(definition instanceof CdsEntity) {
			boolean autoexposed = CdsAnnotations.AUTOEXPOSED.isTrue(definition);
			boolean autoexpose = CdsAnnotations.AUTOEXPOSE.isTrue(definition);
			String name = definition.getName();
			return !(name.endsWith("_drafts") ||
					name.endsWith("_texts") || name.endsWith(".texts") ||
					name.endsWith("DraftAdministrativeData") ||
					(!DraftUtils.isDraftEnabled((CdsEntity) definition) && autoexposed && !autoexpose));
		}
		return false;
	}

}

com.sap.cds.adapter.odata.v4.ODataV4IndexContentProvider Maven / Gradle / Ivy

\n" + " %s\n" + " / $metadata\n" + "