1 files changed, 134 insertions, 0 deletions
diff --git a/verigraph/src/it/polito/verigraph/tosca/converter/xml/GraphToXml.java b/verigraph/src/it/polito/verigraph/tosca/converter/xml/GraphToXml.java
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index 0000000..613588f
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+++ b/verigraph/src/it/polito/verigraph/tosca/converter/xml/GraphToXml.java
@@ -0,0 +1,134 @@
+/*******************************************************************************
+ * Copyright (c) 2018 Politecnico di Torino and others.
+ *
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Apache License, Version 2.0
+ * which accompanies this distribution, and is available at
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *******************************************************************************/
+package it.polito.verigraph.tosca.converter.xml;
+
+import java.io.IOException;
+import java.util.Map;
+
+import javax.xml.namespace.QName;
+
+import it.polito.verigraph.model.Configuration;
+import it.polito.verigraph.model.Graph;
+import it.polito.verigraph.model.Neighbour;
+import it.polito.verigraph.model.Node;
+import it.polito.verigraph.tosca.MappingUtils;
+import it.polito.tosca.jaxb.Definitions;
+import it.polito.tosca.jaxb.TEntityTemplate.Properties;
+import it.polito.tosca.jaxb.TNodeTemplate;
+import it.polito.tosca.jaxb.TRelationshipTemplate;
+import it.polito.tosca.jaxb.TRelationshipTemplate.SourceElement;
+import it.polito.tosca.jaxb.TRelationshipTemplate.TargetElement;
+import it.polito.tosca.jaxb.TServiceTemplate;
+import it.polito.tosca.jaxb.TTopologyTemplate;
+
+public class GraphToXml {
+    /** model --> tosca_xml*/
+
+    public static Definitions mapGraph(Graph graph) {
+        Definitions definitions = new Definitions();
+        TServiceTemplate serviceTemplate = mapPathToXml(graph);
+        definitions.getServiceTemplateOrNodeTypeOrNodeTypeImplementation().add(serviceTemplate);
+
+        return definitions;
+    }
+
+    // These functions have been split so that they can be reused for obtaining all the paths
+    //into a single Definitions (see mapPathsToXml)
+    public static TServiceTemplate mapPathToXml(Graph graph) {
+
+        TServiceTemplate serviceTemplate = new TServiceTemplate();
+        TTopologyTemplate topologyTemplate = new TTopologyTemplate();
+
+        for(Node node : graph.getNodes().values()) {
+            long i = 0;
+            TNodeTemplate nodeTemplate = mapNode(node);
+            topologyTemplate.getNodeTemplateOrRelationshipTemplate().add(nodeTemplate);
+
+            // RelationshipTemplate mapping
+            Map<Long,Neighbour> neighMap = node.getNeighbours();
+            for (Map.Entry<Long, Neighbour> myentry : neighMap.entrySet()) {
+                Neighbour neigh = myentry.getValue();
+                if (graph.getNodes().containsKey(neigh.getId())) {
+                    // I have to check that because if I'm mapping a path (and not a graph) I could have
+                    //as neighbour a node which is not in the path
+                    TRelationshipTemplate relat = mapRelationship(graph, node, neigh, i);
+                    topologyTemplate.getNodeTemplateOrRelationshipTemplate().add(relat);
+                    i++; //Neighbour does not have a neighbourID! RelationshipTemplate does,
+                    //so it is an incremental number for each node
+                }
+            }
+        }
+
+        serviceTemplate.setId(String.valueOf(graph.getId()));
+        serviceTemplate.setTopologyTemplate(topologyTemplate);
+
+        return serviceTemplate;
+    }
+
+
+    private static TNodeTemplate mapNode(Node node){
+        TNodeTemplate nodeTemplate = new TNodeTemplate();
+
+        nodeTemplate.setId(String.valueOf(node.getId()));
+        nodeTemplate.setName(node.getName());
+
+        //QName type = new QName("http://docs.oasis-open.org/tosca/ns/2011/12/ToscaVerigraphDefinition")
+        QName type = new QName("http://docs.oasis-open.org/tosca/ns/2011/12",
+                node.getFunctional_type().substring(0, 1).toUpperCase() + node.
+                getFunctional_type().substring(1) + "Type");
+        nodeTemplate.setType(type);
+
+        it.polito.tosca.jaxb.Configuration config = mapModelConfiguration(node.getConfiguration(),
+                node.getFunctional_type().toLowerCase());
+        //nodeTemplate.getAny().add(config);
+        nodeTemplate.setProperties(new Properties());
+        nodeTemplate.getProperties().setAny(config);
+        return nodeTemplate;
+    }
+
+
+    private static TRelationshipTemplate mapRelationship(Graph graph, Node sourceNode, Neighbour neigh, long i) {
+        TRelationshipTemplate relationship = new TRelationshipTemplate();
+        SourceElement source = new SourceElement();
+        TargetElement target = new TargetElement();
+
+        Node targetNode = graph.getNodes().get(neigh.getId());
+
+        TNodeTemplate sourceNT = mapNode(sourceNode);
+        TNodeTemplate targetNT = mapNode(targetNode);
+
+        source.setRef(sourceNT);
+        target.setRef(targetNT);
+
+        relationship.setId(String.valueOf(i));
+        relationship.setSourceElement(source);
+        relationship.setTargetElement(target);
+        relationship.setName(sourceNode.getName()+"to"+neigh.getName());
+
+        return relationship;
+    }
+
+
+    private static it.polito.tosca.jaxb.Configuration mapModelConfiguration(Configuration conf, String type) {
+        it.polito.tosca.jaxb.Configuration configuration = new it.polito.tosca.jaxb.Configuration();
+        try {
+            //We are passing the configuration type to the Deserializer context
+            configuration = MappingUtils.obtainToscaConfiguration(conf, type);
+
+            //In Graph, ID and DESCRIPTION are always empty
+            //configuration.setConfID(conf.getId());
+            //configuration.setConfDescr(conf.getDescription());
+
+        } catch (IOException | NullPointerException e) {
+            e.printStackTrace();
+        }
+        return configuration;
+    }
+
+}