Github user stain commented on a diff in the pull request:
https://github.com/apache/incubator-taverna-common-activities/pull/13#discussion_r70511738
--- Diff:
taverna-cwl-activity/src/main/java/org/apache/taverna/cwl/CwlActivityFactory.java
---
@@ -0,0 +1,102 @@
+/*
+* 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.cwl;
+
+import java.net.URI;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Set;
+
+import org.apache.log4j.Logger;
+import org.apache.taverna.cwl.utilities.CWLUtil;
+import org.apache.taverna.workflowmodel.Edits;
+import org.apache.taverna.workflowmodel.processor.activity.Activity;
+import
org.apache.taverna.workflowmodel.processor.activity.ActivityConfigurationException;
+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 com.fasterxml.jackson.databind.JsonNode;
+
+public class CwlActivityFactory implements ActivityFactory {
+ private static Logger logger =
Logger.getLogger(CwlActivityFactory.class);
+ private static final int DEPTH_0 = 0;
+ private static final int DEPTH_1 = 1;
+ private Edits edits;
+
+ @Override
+ public Activity<?> createActivity() {
+ CwlDumyActivity activity = new CwlDumyActivity();
+ activity.setEdits(edits);
+ return activity;
+ }
+
+ @Override
+ public URI getActivityType() {
+ return null;
--- End diff --
The `getActivityType()` can't be null, this is used to match up the factory
from the SCUFL2 workflow and when adding from the service provider. So as
mentioned above, perhaps just return
`URI.create("https://taverna.apache.org/ns/2016/activity/cwl";)` ?
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