From 3694205db52ef2b3db5a869ae9e6c3568e616bad Mon Sep 17 00:00:00 2001
From: Lvbo163 <lv.bo163@zte.com.cn>
Date: Tue, 26 Sep 2017 15:03:13 +0800
Subject: Write data to workflow template

Issue-ID: SDC-398

Change-Id: Ia5cec2af1f9f2018b42933d48628a42fbefb29b5
Signed-off-by: Lvbo163 <lv.bo163@zte.com.cn>
---
 sdc-workflow-designer-server/pom.xml               |  6 ++
 .../writer/BpmnPlanArtefactWriter.java             | 64 ++++++++++++++++++++++
 .../resources/bpmn-templates/bpmn_template.xml     | 12 ++++
 3 files changed, 82 insertions(+)
 create mode 100644 sdc-workflow-designer-server/src/main/java/org/onap/sdc/workflowdesigner/writer/BpmnPlanArtefactWriter.java
 create mode 100644 sdc-workflow-designer-server/src/main/resources/bpmn-templates/bpmn_template.xml

diff --git a/sdc-workflow-designer-server/pom.xml b/sdc-workflow-designer-server/pom.xml
index d28ff81b..3ba7f3b9 100644
--- a/sdc-workflow-designer-server/pom.xml
+++ b/sdc-workflow-designer-server/pom.xml
@@ -28,6 +28,7 @@
     <properties>
         <slf4j.version>1.7.25</slf4j.version>
         <jackson.version>2.9.1</jackson.version>
+        <velocity.version>1.6.2</velocity.version>
     </properties>
     <dependencies>
         <dependency>
@@ -45,5 +46,10 @@
             <artifactId>jackson-databind</artifactId>
             <version>${jackson.version}</version>
         </dependency>
+        <dependency>
+            <groupId>org.apache.velocity</groupId>
+            <artifactId>velocity</artifactId>
+            <version>${velocity.version}</version>
+        </dependency>
     </dependencies>
 </project>
diff --git a/sdc-workflow-designer-server/src/main/java/org/onap/sdc/workflowdesigner/writer/BpmnPlanArtefactWriter.java b/sdc-workflow-designer-server/src/main/java/org/onap/sdc/workflowdesigner/writer/BpmnPlanArtefactWriter.java
new file mode 100644
index 00000000..c39b0bba
--- /dev/null
+++ b/sdc-workflow-designer-server/src/main/java/org/onap/sdc/workflowdesigner/writer/BpmnPlanArtefactWriter.java
@@ -0,0 +1,64 @@
+/**
+ * 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.writer;
+
+import java.io.StringWriter;
+
+import org.apache.velocity.Template;
+import org.apache.velocity.VelocityContext;
+import org.apache.velocity.app.Velocity;
+import org.apache.velocity.app.VelocityEngine;
+import org.apache.velocity.exception.ParseErrorException;
+import org.apache.velocity.exception.ResourceNotFoundException;
+import org.onap.sdc.workflowdesigner.config.Config;
+import org.onap.sdc.workflowdesigner.model.Process;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class BpmnPlanArtefactWriter {
+
+    private Process process;
+
+    public static String TEMPLATE_PATH = Config.PROPERTIES.getProperty(Config.TEMPLATE_PATH);
+
+    private static Logger log = LoggerFactory.getLogger(BpmnPlanArtefactWriter.class);
+
+    public BpmnPlanArtefactWriter(Process process) throws Exception {
+        this.process = process;
+        Velocity.init();
+    }
+
+    public String completePlanTemplate() throws ResourceNotFoundException, ParseErrorException, Exception {
+        log.debug("Completing BPMN process template...");
+
+        VelocityContext context = new VelocityContext();
+
+        VelocityEngine ve = new VelocityEngine();
+        ve.setProperty("resource.loader", "class");
+        ve.setProperty("class.resource.loader.class",
+                "org.apache.velocity.runtime.resource.loader.ClasspathResourceLoader");
+        Template planTemplate = ve.getTemplate(TEMPLATE_PATH + "bpmn_template.xml");
+
+        context.put("process", process);
+        context.put("templatePath", TEMPLATE_PATH);
+        StringWriter planWriter = new StringWriter();
+        planTemplate.merge(context, planWriter);
+
+        String bpmnProcessContent = planWriter.toString();
+
+        log.debug("Completed BPMN process template" + bpmnProcessContent);
+
+        return bpmnProcessContent;
+
+    }
+
+}
diff --git a/sdc-workflow-designer-server/src/main/resources/bpmn-templates/bpmn_template.xml b/sdc-workflow-designer-server/src/main/resources/bpmn-templates/bpmn_template.xml
new file mode 100644
index 00000000..7783ece8
--- /dev/null
+++ b/sdc-workflow-designer-server/src/main/resources/bpmn-templates/bpmn_template.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<definitions xmlns="http://www.omg.org/spec/BPMN/20100524/MODEL"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xmlns:activiti="http://activiti.org/bpmn" xmlns:bpmndi="http://www.omg.org/spec/BPMN/20100524/DI"
+    xmlns:omgdc="http://www.omg.org/spec/DD/20100524/DC" xmlns:omgdi="http://www.omg.org/spec/DD/20100524/DI"
+    typeLanguage="http://www.w3.org/2001/XMLSchema" expressionLanguage="http://www.w3.org/1999/XPath"
+    targetNamespace="http://www.activiti.org/test">
+    <process id="${process.id}" isExecutable="true">
+
+    </process>
+</definitions>
+
-- 
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