1 files changed, 163 insertions, 166 deletions

diff --git a/src/main/java/org/openecomp/modelloader/entity/model/ModelArtifactParser.java b/src/main/java/org/openecomp/modelloader/entity/model/ModelArtifactParser.java
index 625145f..d81539c 100644
--- a/src/main/java/org/openecomp/modelloader/entity/model/ModelArtifactParser.java
+++ b/src/main/java/org/openecomp/modelloader/entity/model/ModelArtifactParser.java
@@ -1,197 +1,194 @@
-/*-
+/**
  * ============LICENSE_START=======================================================
- * MODEL LOADER SERVICE
+ * Model Loader
  * ================================================================================
- * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * Copyright © 2017 AT&T Intellectual Property.
+ * Copyright © 2017 Amdocs
+ * All rights reserved.
  * ================================================================================
  * Licensed 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
- * 
+ * 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.
  * ============LICENSE_END=========================================================
+ *
+ * ECOMP and OpenECOMP are trademarks
+ * and service marks of AT&T Intellectual Property.
  */
-
 package org.openecomp.modelloader.entity.model;
 
 import org.openecomp.cl.api.Logger;
 import org.openecomp.cl.eelf.LoggerFactory;
 import org.openecomp.modelloader.entity.Artifact;
-import org.openecomp.modelloader.entity.ArtifactType;
 import org.openecomp.modelloader.service.ModelLoaderMsgs;
-import org.openecomp.modelloader.util.JsonXmlConverter;
+
 import org.w3c.dom.Document;
+import org.w3c.dom.Element;
 import org.w3c.dom.Node;
 import org.w3c.dom.NodeList;
 import org.xml.sax.InputSource;
 
 import java.io.StringReader;
-import java.io.StringWriter;
 import java.util.ArrayList;
 import java.util.List;
 
+import javax.xml.XMLConstants;
 import javax.xml.parsers.DocumentBuilder;
 import javax.xml.parsers.DocumentBuilderFactory;
-import javax.xml.transform.OutputKeys;
-import javax.xml.transform.Transformer;
-import javax.xml.transform.TransformerException;
-import javax.xml.transform.TransformerFactory;
-import javax.xml.transform.dom.DOMSource;
-import javax.xml.transform.stream.StreamResult;
-
-public class ModelArtifactParser {
-
-  private static String MODELS_ELEMENT = "models";
-  private static String MODEL_ELEMENT = "model";
-  private static String NAMED_QUERIES_ELEMENT = "named-queries";
-  private static String NAMED_QUERY_ELEMENT = "named-query";
-  private static String MODEL_NAME_VERSION_ID = "model-name-version-id";
-  private static String NAMED_QUERY_VERSION_ID = "named-query-uuid";
-  private static String RELATIONSHIP_DATA = "relationship-data";
-  private static String RELATIONSHIP_KEY = "relationship-key";
-  private static String RELATIONSHIP_VALUE = "relationship-value";
-  private static String MODEL_ELEMENT_RELATIONSHIP_KEY = "model.model-name-version-id";
-
-  private static Logger logger = LoggerFactory.getInstance()
-      .getLogger(ModelArtifactParser.class.getName());
-
-  /**
-   * This method parses the given artifact payload in byte array format and
-   * generates a list of model artifacts according to the content.
-   * 
-   * @param artifactPayload
-   *          artifact content to be parsed
-   * @param artifactName
-   *          name of the artifact
-   * @return a list of model artifacts
-   */
-  public List<Artifact> parse(byte[] artifactPayload, String artifactName) {
-    String payload = new String(artifactPayload);
-    List<Artifact> modelList = new ArrayList<Artifact>();
-
-    try {
-      // Artifact could be JSON or XML
-      if (JsonXmlConverter.isValidJson(payload)) {
-        payload = JsonXmlConverter.convertJsonToXml(payload);
-      }
-
-      DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
-      DocumentBuilder builder = factory.newDocumentBuilder();
-      InputSource is = new InputSource(new StringReader(payload));
-      Document doc = builder.parse(is);
-
-      if ((doc.getDocumentElement().getNodeName().equalsIgnoreCase(MODEL_ELEMENT))
-          || (doc.getDocumentElement().getNodeName().equalsIgnoreCase(NAMED_QUERY_ELEMENT))) {
-        ModelArtifact model = parseModel(doc.getDocumentElement(), payload);
-        if (model != null) {
-          modelList.add(model);
-        } else {
-          // TODO: A WARN message?
-          logger.info(ModelLoaderMsgs.DISTRIBUTION_EVENT,
-              "Unable to parse artifact " + artifactName);
-        }
-      } else if ((doc.getDocumentElement().getNodeName().equalsIgnoreCase(MODELS_ELEMENT))
-          || (doc.getDocumentElement().getNodeName().equalsIgnoreCase(NAMED_QUERIES_ELEMENT))) {
-        // The complete set of models/named-queries were contained in this
-        // artifact
-        NodeList nodeList = doc.getDocumentElement().getChildNodes();
-        for (int i = 0; i < nodeList.getLength(); i++) {
-          Node childNode = nodeList.item(i);
-          if ((childNode.getNodeName().equalsIgnoreCase(MODEL_ELEMENT))
-              || (childNode.getNodeName().equalsIgnoreCase(NAMED_QUERY_ELEMENT))) {
-            String modelPayload = nodeToString(childNode);
-            ModelArtifact model = parseModel(childNode, modelPayload);
-            if (model != null) {
-              modelList.add(model);
-            } else {
-              // TODO: A WARN message?
-              logger.info(ModelLoaderMsgs.DISTRIBUTION_EVENT,
-                  "Unable to parse artifact " + artifactName);
-              modelList.clear();
-              break;
-            }
-          }
-        }
-      }
-    } catch (Exception ex) {
-      // This may not be an error. We may be receiving an artifact that is
-      // unrelated
-      // to models. In this case, we just ignore it.
-      // TODO: A WARN message?
-      logger.info(ModelLoaderMsgs.DISTRIBUTION_EVENT,
-          "Unable to parse artifact " + artifactName + ": " + ex.getLocalizedMessage());
-    }
-
-    return modelList;
-  }
-
-  private ModelArtifact parseModel(Node modelNode, String payload) {
-    ModelArtifact model = new ModelArtifact();
-    model.setPayload(payload);
-
-    if (modelNode.getNodeName().equalsIgnoreCase(MODEL_ELEMENT)) {
-      model.setType(ArtifactType.MODEL);
-    } else {
-      model.setType(ArtifactType.NAMED_QUERY);
-    }
-
-    parseNode(modelNode, model);
-
-    if (model.getNameVersionId() == null) {
-      return null;
-    }
-
-    return model;
-  }
-
-  private void parseNode(Node node, ModelArtifact model) {
-    if (node.getNodeName().equalsIgnoreCase(MODEL_NAME_VERSION_ID)) {
-      model.setNameVersionId(node.getTextContent().trim());
-    } else if (node.getNodeName().equalsIgnoreCase(NAMED_QUERY_VERSION_ID)) {
-      model.setNameVersionId(node.getTextContent().trim());
-    } else if (node.getNodeName().equalsIgnoreCase(RELATIONSHIP_DATA)) {
-      parseRelationshipNode(node, model);
-    } else {
-      NodeList nodeList = node.getChildNodes();
-      for (int i = 0; i < nodeList.getLength(); i++) {
-        Node childNode = nodeList.item(i);
-        parseNode(childNode, model);
-      }
-    }
-  }
-
-  private void parseRelationshipNode(Node node, ModelArtifact model) {
-    String key = null;
-    String value = null;
-
-    NodeList nodeList = node.getChildNodes();
-    for (int i = 0; i < nodeList.getLength(); i++) {
-      Node childNode = nodeList.item(i);
-      if (childNode.getNodeName().equalsIgnoreCase(RELATIONSHIP_KEY)) {
-        key = childNode.getTextContent().trim();
-      } else if (childNode.getNodeName().equalsIgnoreCase(RELATIONSHIP_VALUE)) {
-        value = childNode.getTextContent().trim();
-      }
-    }
-
-    if ((key != null) && (key.equalsIgnoreCase(MODEL_ELEMENT_RELATIONSHIP_KEY))) {
-      if (value != null) {
-        model.addDependentModelId(value);
-      }
-    }
-  }
-
-  private String nodeToString(Node node) throws TransformerException {
-    StringWriter sw = new StringWriter();
-    Transformer transfomer = TransformerFactory.newInstance().newTransformer();
-    transfomer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
-    transfomer.transform(new DOMSource(node), new StreamResult(sw));
-    return sw.toString();
-  }
+
+
+public class ModelArtifactParser implements IModelParser {
+
+	private static String MODEL_VER = "model-ver";
+	private static String MODEL_VERSION_ID = "model-version-id";
+	private static String MODEL_INVARIANT_ID = "model-invariant-id";
+	private static String RELATIONSHIP = "relationship";
+	private static String RELATIONSHIP_DATA = "relationship-data";
+	private static String RELATIONSHIP_KEY = "relationship-key";
+	private static String RELATIONSHIP_VALUE = "relationship-value";
+	private static String MODEL_ELEMENT_RELATIONSHIP_KEY = "model.model-invariant-id";
+	private static String MODEL_VER_ELEMENT_RELATIONSHIP_KEY = "model-ver.model-version-id";
+	
+	private  static Logger logger = LoggerFactory.getInstance().getLogger(ModelArtifactParser.class.getName());
+	
+	public List<Artifact> parse(byte[] artifactPayload, String artifactName) {
+	  String payload = new String(artifactPayload);
+	  List<Artifact> modelList = new ArrayList<Artifact>();
+
+	  try {
+	    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
+	    DocumentBuilder builder = factory.newDocumentBuilder();
+	    InputSource is = new InputSource(new StringReader(payload));
+	    Document doc = builder.parse(is);
+
+	    ModelArtifact model = parseModel(doc.getDocumentElement(), payload);
+
+	    if (model != null) {
+	      logger.info( ModelLoaderMsgs.DISTRIBUTION_EVENT, "Model parsed =====>>>> "
+	          + "Model-invariant-Id: "+ model.getModelInvariantId()
+	          + " Model-Version-Id: "+ model.getModelVerId());
+	      modelList.add(model);
+	    }
+	    else {
+	      logger.error(ModelLoaderMsgs.ARTIFACT_PARSE_ERROR, "Unable to parse artifact " + artifactName);
+	      return null;
+	    }
+	  }
+	  catch (Exception ex) {
+	    logger.error(ModelLoaderMsgs.ARTIFACT_PARSE_ERROR, "Unable to parse artifact " + artifactName + ": " + ex.getLocalizedMessage());
+	  }
+
+	  return modelList;
+	}
+
+	private ModelArtifact parseModel(Node modelNode, String payload) {
+	  ModelArtifact model = new ModelArtifact();
+	  model.setPayload(payload);
+
+	  Element e = (Element)modelNode;
+	  model.setModelNamespace(e.getAttribute("xmlns"));
+
+	  parseNode(modelNode, model);
+
+	  if ( (model.getModelInvariantId() == null) || (model.getModelVerId() == null) ){
+	    return null;
+	  }
+
+	  return model;
+	}
+
+	private void parseNode(Node node, ModelArtifact model) {
+	  if (node.getNodeName().equalsIgnoreCase(MODEL_INVARIANT_ID)) {
+	    model.setModelInvariantId(node.getTextContent().trim());
+	  }
+	  else if (node.getNodeName().equalsIgnoreCase(MODEL_VERSION_ID)) {
+	    model.setModelVerId(node.getTextContent().trim());
+	  }
+	  else if (node.getNodeName().equalsIgnoreCase(RELATIONSHIP)) {
+	    String dependentModelKey = parseRelationshipNode(node, model);
+	    if (dependentModelKey != null) {
+	      model.addDependentModelId(dependentModelKey);
+	    }
+	  }
+	  else {
+	    if (node.getNodeName().equalsIgnoreCase(MODEL_VER)) {
+	      model.setModelVer(node);
+	      if ( (model.getModelNamespace() != null) && (!model.getModelNamespace().isEmpty()) ) {
+	        Element e = (Element) node;
+	        e.setAttributeNS(XMLConstants.XMLNS_ATTRIBUTE_NS_URI, "xmlns", model.getModelNamespace());
+	      }
+	    }
+
+	    NodeList nodeList = node.getChildNodes();
+
+	    for (int i = 0; i < nodeList.getLength(); i++) {
+	      Node childNode = nodeList.item(i); 
+	      parseNode(childNode, model);
+	    }
+	  }
+	}
+
+	private String parseRelationshipNode(Node node, ModelArtifact model) {
+	  String currentKey = null;
+	  String currentValue = null;
+	  String modelVersionIdValue = null;
+	  String modelInvariantIdValue = null;
+
+	  NodeList nodeList = node.getChildNodes();
+	  for (int i = 0; i < nodeList.getLength(); i++) {
+	    Node childNode = nodeList.item(i);
+	    
+	    if (childNode.getNodeName().equalsIgnoreCase(RELATIONSHIP_DATA)) {
+	      NodeList relDataChildList = childNode.getChildNodes();
+	      
+	      for (int j = 0; j < relDataChildList.getLength(); j++) {
+	        Node relDataChildNode = relDataChildList.item(j);
+	        
+	        if (relDataChildNode.getNodeName().equalsIgnoreCase(RELATIONSHIP_KEY)) {
+	          currentKey = relDataChildNode.getTextContent().trim();
+
+	          if (currentValue != null) {
+	            if (currentKey.equalsIgnoreCase(MODEL_VER_ELEMENT_RELATIONSHIP_KEY)) {
+	              modelVersionIdValue = currentValue;
+	            }
+	            else if (currentKey.equalsIgnoreCase(MODEL_ELEMENT_RELATIONSHIP_KEY)) {
+	              modelInvariantIdValue = currentValue;
+	            }
+	            
+	            currentKey = null;
+	            currentValue = null;
+	          }
+	        }
+	        else if (relDataChildNode.getNodeName().equalsIgnoreCase(RELATIONSHIP_VALUE)) {
+	          currentValue = relDataChildNode.getTextContent().trim();
+
+	          if (currentKey != null) {
+              if (currentKey.equalsIgnoreCase(MODEL_VER_ELEMENT_RELATIONSHIP_KEY)) {
+                modelVersionIdValue = currentValue;
+              }
+              else if (currentKey.equalsIgnoreCase(MODEL_ELEMENT_RELATIONSHIP_KEY)) {
+                modelInvariantIdValue = currentValue;
+              }
+              
+              currentKey = null;
+              currentValue = null;
+	          }
+	        }
+	      }
+	    }
+	  }
+	  
+	  if ( (modelVersionIdValue != null) && (modelInvariantIdValue != null) ) {
+	    return modelInvariantIdValue + "|" + modelVersionIdValue;
+	  }
+	  
+	  return null;
+
+	}
+
 }