| /******************************************************************************* |
| * Copyright (C) 2021 the Eclipse BaSyx Authors |
| * |
| * This program and the accompanying materials are made |
| * available under the terms of the Eclipse Public License 2.0 |
| * which is available at https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| ******************************************************************************/ |
| package org.eclipse.basyx.aas.restapi; |
| |
| import java.util.Map; |
| |
| import org.eclipse.basyx.aas.metamodel.map.AssetAdministrationShell; |
| import org.eclipse.basyx.aas.restapi.api.IAASAPI; |
| import org.eclipse.basyx.submodel.metamodel.map.SubModel; |
| import org.eclipse.basyx.vab.exception.provider.MalformedRequestException; |
| import org.eclipse.basyx.vab.exception.provider.NotAnInvokableException; |
| import org.eclipse.basyx.vab.exception.provider.ProviderException; |
| import org.eclipse.basyx.vab.modelprovider.VABPathTools; |
| import org.eclipse.basyx.vab.modelprovider.api.IModelProvider; |
| import org.eclipse.basyx.vab.modelprovider.lambda.VABLambdaProvider; |
| |
| /** |
| * Model provider explicitely meant to implement the access to the AAS object. |
| * This excludes access to the submodels, that are wrapped into their own provider. |
| * |
| * @author espen |
| * |
| */ |
| public class AASModelProvider implements IModelProvider { |
| |
| private IAASAPI aasApi; |
| |
| /** |
| * Constructor based on the model provider containing the AAS model. This is based |
| * on the default AAS API |
| */ |
| public AASModelProvider(IModelProvider modelProvider) { |
| aasApi = new VABAASAPI(modelProvider); |
| } |
| |
| /** |
| * Creates an AASModelProvider based on a lambda provider and a given model |
| */ |
| public AASModelProvider(AssetAdministrationShell shell) { |
| this.aasApi = new VABAASAPI(new VABLambdaProvider(shell)); |
| } |
| |
| /** |
| * Creates an AASModelProvider based on a passed AAS API |
| * |
| * @param aasApi |
| */ |
| public AASModelProvider(IAASAPI aasApi) { |
| this.aasApi = aasApi; |
| } |
| |
| @Override |
| public Object getModelPropertyValue(String path) throws ProviderException { |
| path = preparePath(path); |
| if (path.isEmpty()) { |
| return aasApi.getAAS(); |
| } else { |
| throw new MalformedRequestException("Path " + path + " is not supported"); |
| } |
| } |
| |
| @Override |
| public void setModelPropertyValue(String path, Object newValue) throws ProviderException { |
| throw new MalformedRequestException("For an AAS, Set is not supported"); |
| } |
| |
| @SuppressWarnings("unchecked") |
| @Override |
| public void createValue(String path, Object newEntity) throws ProviderException { |
| path = preparePath(path); |
| if (path.equals("submodels")) { |
| Map<String, Object> smMap = (Map<String, Object>) newEntity; |
| SubModel sm = SubModel.createAsFacade(smMap); |
| aasApi.addSubmodel(sm.getReference()); |
| } else { |
| throw new MalformedRequestException("Path " + path + " is not supported"); |
| } |
| } |
| |
| /** |
| * @param path |
| * @return |
| */ |
| private String preparePath(String path) { |
| VABPathTools.checkPathForNull(path); |
| path = VABPathTools.stripSlashes(path); |
| return path; |
| } |
| |
| @Override |
| public void deleteValue(String path) throws ProviderException { |
| path = preparePath(path); |
| String[] splitted = VABPathTools.splitPath(path); |
| if (splitted.length == 3 && splitted[1].equals(AssetAdministrationShell.SUBMODELS)) { |
| String id = splitted[2]; |
| aasApi.removeSubmodel(id); |
| } else { |
| throw new MalformedRequestException("Delete on path " + path + " is not supported"); |
| } |
| } |
| |
| @Override |
| public void deleteValue(String path, Object obj) throws ProviderException { |
| throw new MalformedRequestException("Delete with parameter is not supported"); |
| } |
| |
| /** |
| * Operations that can be invoked are not contained inside of AAS, but inside of submodels |
| */ |
| @Override |
| public Object invokeOperation(String path, Object... parameter) throws ProviderException { |
| throw new NotAnInvokableException("An AAS does not contain any operations that can be invoked"); |
| } |
| } |