| /******************************************************************************* |
| * 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.submodel.restapi; |
| |
| import java.util.Map; |
| |
| import org.eclipse.basyx.submodel.metamodel.map.submodelelement.dataelement.property.Property; |
| import org.eclipse.basyx.submodel.metamodel.map.submodelelement.dataelement.property.valuetype.ValueTypeHelper; |
| import org.eclipse.basyx.vab.exception.provider.MalformedRequestException; |
| import org.eclipse.basyx.vab.exception.provider.ProviderException; |
| import org.eclipse.basyx.vab.modelprovider.VABPathTools; |
| import org.eclipse.basyx.vab.modelprovider.api.IModelProvider; |
| |
| /** |
| * Handles properties according to AAS meta model |
| * |
| * @author schnicke |
| * |
| */ |
| public class PropertyProvider implements IModelProvider { |
| |
| private IModelProvider proxy; |
| |
| public PropertyProvider(IModelProvider proxy) { |
| this.proxy = proxy; |
| } |
| |
| @SuppressWarnings("unchecked") |
| @Override |
| public Object getValue(String path) throws ProviderException { |
| path = VABPathTools.stripSlashes(path); |
| |
| // Handle "/value" path |
| if (path.equals(Property.VALUE)) { |
| // return value |
| Map<String, Object> p = (Map<String, Object>) proxy.getValue(""); |
| return p.get(Property.VALUE); |
| |
| } else if (path.isEmpty()) { |
| // Handle "" path by returning complete property |
| return proxy.getValue(""); |
| } else { |
| throw new MalformedRequestException("Unknown path: " + path); |
| } |
| } |
| |
| @Override |
| public void setValue(String path, Object newValue) throws ProviderException { |
| path = VABPathTools.stripSlashes(path); |
| // Only handle "/value" paths |
| if (path.equals(Property.VALUE)) { |
| // Set value and type |
| proxy.setValue(Property.VALUE, newValue); |
| proxy.setValue(Property.VALUETYPE, ValueTypeHelper.getType(newValue).toString()); |
| } else { |
| throw new MalformedRequestException("Given Set path '" + path + "' does not end in /value"); |
| } |
| } |
| |
| @Override |
| public void createValue(String path, Object newEntity) throws ProviderException { |
| throw new MalformedRequestException("Create not allowed at path '" + path + "'"); |
| } |
| |
| @Override |
| public void deleteValue(String path) throws ProviderException { |
| throw new MalformedRequestException("Delete not allowed at path '" + path + "'"); |
| } |
| |
| @Override |
| public void deleteValue(String path, Object obj) throws ProviderException { |
| throw new MalformedRequestException("Delete not allowed at path '" + path + "'"); |
| } |
| |
| @Override |
| public Object invokeOperation(String path, Object... parameter) throws ProviderException { |
| throw new MalformedRequestException("Invoke not allowed at path '" + path + "'"); |
| } |
| |
| } |