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diff --git a/sdc-workflow-designer-server/src/main/java/org/onap/sdc/workflowdesigner/converter/Bpmn4Tosca2Bpmn.java b/sdc-workflow-designer-server/src/main/java/org/onap/sdc/workflowdesigner/converter/Bpmn4Tosca2Bpmn.java
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+++ b/sdc-workflow-designer-server/src/main/java/org/onap/sdc/workflowdesigner/converter/Bpmn4Tosca2Bpmn.java
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+/**
+ * Copyright (c) 2017 ZTE Corporation.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * and the Apache License 2.0 which both accompany this distribution,
+ * and are available at http://www.eclipse.org/legal/epl-v10.html
+ * and http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Contributors:
+ *     ZTE - initial API and implementation and/or initial documentation
+ */
+package org.onap.sdc.workflowdesigner.converter;
+
+import java.io.IOException;
+import java.net.URI;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.StandardOpenOption;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class Bpmn4Tosca2Bpmn {
+
+    private static Logger log = LoggerFactory.getLogger(Bpmn4Tosca2Bpmn.class);
+
+    /**
+     * Transforms the given BPMN4Tosca Json management into a bpmn plan that can
+     * be excuted by activiti.
+     * <p>
+     *
+     * @param srcBpmn4ToscaJsonFile
+     * @param targetBpmnArchive
+     */
+    public void transform(URI srcBpmn4ToscaJsonFile, URI targetBpmnArchive) {
+        log.info("transform start");
+
+        // parse json object
+
+        // transform bpmn template
+
+        // write bpmn to file
+        log.info("transform end");
+    }
+
+    public static Path writeStringToFile(String content, Path targetPath) throws IOException {
+        return Files.write(targetPath, content.getBytes(), StandardOpenOption.CREATE_NEW);
+    }
+
+}