| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| package org.apache.taverna.platform.capability.activity.impl; |
| |
| import java.net.URI; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Set; |
| |
| import org.apache.taverna.workflowmodel.processor.activity.Activity; |
| import org.apache.taverna.workflowmodel.processor.activity.ActivityFactory; |
| import org.apache.taverna.workflowmodel.processor.activity.ActivityInputPort; |
| import org.apache.taverna.workflowmodel.processor.activity.ActivityOutputPort; |
| import org.apache.taverna.platform.capability.api.ActivityConfigurationException; |
| import org.apache.taverna.platform.capability.api.ActivityNotFoundException; |
| import org.apache.taverna.platform.capability.api.ActivityService; |
| import org.apache.taverna.scufl2.api.port.InputActivityPort; |
| import org.apache.taverna.scufl2.api.port.OutputActivityPort; |
| |
| import com.fasterxml.jackson.databind.JsonNode; |
| |
| public class ActivityServiceImpl implements ActivityService { |
| private List<ActivityFactory> activityFactories; |
| |
| @Override |
| public Set<URI> getActivityTypes() { |
| Set<URI> activityTypes = new HashSet<>(); |
| for (ActivityFactory activityFactory : activityFactories) |
| activityTypes.add(activityFactory.getActivityType()); |
| return activityTypes; |
| } |
| |
| @Override |
| public boolean activityExists(URI uri) { |
| for (ActivityFactory activityFactory : activityFactories) |
| if (activityFactory.getActivityType().equals(uri)) |
| return true; |
| return false; |
| } |
| |
| @Override |
| public JsonNode getActivityConfigurationSchema(URI activityType) |
| throws ActivityNotFoundException { |
| ActivityFactory factory = getActivityFactory(activityType); |
| return factory.getActivityConfigurationSchema(); |
| } |
| |
| @Override |
| public Activity<?> createActivity(URI activityType, JsonNode configuration) |
| throws ActivityNotFoundException, ActivityConfigurationException { |
| ActivityFactory factory = getActivityFactory(activityType); |
| @SuppressWarnings("unchecked") |
| Activity<JsonNode> activity = (Activity<JsonNode>) factory |
| .createActivity(); |
| try { |
| if (configuration != null) |
| activity.configure(configuration); |
| } catch (org.apache.taverna.workflowmodel.processor.activity.ActivityConfigurationException e) { |
| throw new ActivityConfigurationException(e); |
| } |
| return activity; |
| } |
| |
| @Override |
| public Set<InputActivityPort> getActivityInputPorts(URI activityType, |
| JsonNode configuration) throws ActivityNotFoundException, |
| ActivityConfigurationException { |
| Set<InputActivityPort> inputPorts = new HashSet<>(); |
| try { |
| for (ActivityInputPort port : getActivityFactory(activityType) |
| .getInputPorts(configuration)) { |
| InputActivityPort inputActivityPort = new InputActivityPort(); |
| inputActivityPort.setName(port.getName()); |
| inputActivityPort.setDepth(port.getDepth()); |
| inputPorts.add(inputActivityPort); |
| } |
| return inputPorts; |
| } catch (org.apache.taverna.workflowmodel.processor.activity.ActivityConfigurationException e) { |
| throw new ActivityConfigurationException(e); |
| } |
| } |
| |
| @Override |
| public Set<OutputActivityPort> getActivityOutputPorts(URI activityType, |
| JsonNode configuration) throws ActivityNotFoundException, |
| ActivityConfigurationException { |
| Set<OutputActivityPort> outputPorts = new HashSet<>(); |
| try { |
| for (ActivityOutputPort port : getActivityFactory(activityType) |
| .getOutputPorts(configuration)) { |
| OutputActivityPort outputActivityPort = new OutputActivityPort(); |
| outputActivityPort.setName(port.getName()); |
| outputActivityPort.setDepth(port.getDepth()); |
| outputActivityPort.setGranularDepth(port.getGranularDepth()); |
| outputPorts.add(outputActivityPort); |
| } |
| } catch (org.apache.taverna.workflowmodel.processor.activity.ActivityConfigurationException e) { |
| throw new ActivityConfigurationException(e); |
| } |
| return outputPorts; |
| } |
| |
| /** |
| * Sets the list of available <code>ActivityFactory</code>s. In a production |
| * environment this should be set by Spring DM. |
| * |
| * @param activityFactories |
| * the list of available <code>ActivityFactory</code>s |
| */ |
| public void setActivityFactories(List<ActivityFactory> activityFactories) { |
| this.activityFactories = activityFactories; |
| } |
| |
| private ActivityFactory getActivityFactory(URI activityType) |
| throws ActivityNotFoundException { |
| for (ActivityFactory activityFactory : activityFactories) |
| if (activityFactory.getActivityType().equals(activityType)) |
| return activityFactory; |
| throw new ActivityNotFoundException("Could not find an activity for " |
| + activityType); |
| } |
| } |