Initial commit for appc-config-params

Change-Id: I5805591892184b4456dd30639417d783d353a6a3
Signed-off-by: Anand Chaturvedi <ac204h@att.com>
Issue-Id:APPC-9

12 files changed, 1289 insertions, 0 deletions

diff --git a/appc-config/appc-config-params/provider/src/main/java/org/openecomp/sdnc/config/params/ParamsHandlerActivator.java b/appc-config/appc-config-params/provider/src/main/java/org/openecomp/sdnc/config/params/ParamsHandlerActivator.java
new file mode 100644
index 000000000..f248159de
--- /dev/null
+++ b/appc-config/appc-config-params/provider/src/main/java/org/openecomp/sdnc/config/params/ParamsHandlerActivator.java
@@ -0,0 +1,68 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP : APPC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. 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
+ * 
+ *  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.
+ * 
+ *  ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdnc.config.params;
+
+import java.util.LinkedList;
+import java.util.List;
+
+import org.openecomp.sdnc.config.params.parser.PropertyDefinitionNode;
+import org.osgi.framework.BundleActivator;
+import org.osgi.framework.BundleContext;
+import org.osgi.framework.ServiceRegistration;
+
+import com.att.eelf.configuration.EELFLogger;
+import com.att.eelf.configuration.EELFManager;
+
+public class ParamsHandlerActivator implements BundleActivator{
+
+	private List<ServiceRegistration> registrations = new LinkedList<ServiceRegistration>();
+
+
+	private static final EELFLogger log = EELFManager.getInstance().getLogger(ParamsHandlerActivator.class);
+
+	@Override
+	public void start(BundleContext ctx) throws Exception
+	{
+
+		try {
+			PropertyDefinitionNode propertyDefinitionNode = new PropertyDefinitionNode();
+			log.info("Registering service "+ propertyDefinitionNode.getClass().getName());
+			registrations.add(ctx.registerService(propertyDefinitionNode.getClass().getName(), propertyDefinitionNode, null));
+			log.info("Registering service sccessful for  "+ propertyDefinitionNode.getClass().getName());
+		} catch (Exception e) {
+			e.printStackTrace();
+		}
+
+	}
+	@Override
+	public void stop(BundleContext arg0) throws Exception
+	{
+		for (ServiceRegistration registration: registrations)
+		{
+			registration.unregister();
+			registration = null;
+		}
+
+	}
+
+}
diff --git a/appc-config/appc-config-params/provider/src/main/java/org/openecomp/sdnc/config/params/ParamsHandlerConstant.java b/appc-config/appc-config-params/provider/src/main/java/org/openecomp/sdnc/config/params/ParamsHandlerConstant.java
new file mode 100644
index 000000000..4b541982c
--- /dev/null
+++ b/appc-config/appc-config-params/provider/src/main/java/org/openecomp/sdnc/config/params/ParamsHandlerConstant.java
@@ -0,0 +1,53 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP : APPC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. 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
+ * 
+ *  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.
+ * 
+ *  ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdnc.config.params;
+
+public class ParamsHandlerConstant {
+
+	public static String STRING_ENCODING = "utf-8";
+	public static String Y = "Y";
+	public static String N = "N";
+	public static String DATA_TYPE_TEXT = "TEXT";
+	public static String DATA_TYPE_JSON = "JSON";
+	public static String DATA_TYPE_XML = "XML";
+	public static String DATA_TYPE_SQL = "SQL";
+
+	
+	public static String INPUT_PARAM_PD_CONTENT = "pdContent";
+	public static String INPUT_PARAM_SYSTEM_NAME = "systemName";
+	public static String INPUT_PARAM_JSON_DATA = "jsonData";	
+	public static String INPUT_PARAM_MERGE__JSON_DATA = "mergeJsonData";
+
+
+	public static String INPUT_PARAM_REQUEST_DATA = "requestData";
+	public static String INPUT_PARAM_RESPONSE_PRIFIX = "responsePrefix";
+	public static String OUTPUT_PARAM_CONFIGURATION_PARAMETER = "configuration-parameters";
+	
+
+
+	public static String OUTPUT_PARAM_STATUS = "status";
+	public static String OUTPUT_PARAM_ERROR_MESSAGE = "error-message";
+	public static String OUTPUT_STATUS_SUCCESS = "success";
+	public static String OUTPUT_STATUS_FAILURE = "failure";
+
+}
diff --git a/appc-config/appc-config-params/provider/src/main/java/org/openecomp/sdnc/config/params/data/Parameter.java b/appc-config/appc-config-params/provider/src/main/java/org/openecomp/sdnc/config/params/data/Parameter.java
new file mode 100644
index 000000000..6a03eddb3
--- /dev/null
+++ b/appc-config/appc-config-params/provider/src/main/java/org/openecomp/sdnc/config/params/data/Parameter.java
@@ -0,0 +1,124 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP : APPC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. 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
+ * 
+ *  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.
+ * 
+ *  ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdnc.config.params.data;
+
+import java.util.List;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+public class Parameter {
+	private String name;
+	private String description;
+	private String type;
+	private boolean required;
+	private String source;
+
+	@JsonProperty("rule-type")
+	private String ruleType;
+
+	@JsonProperty("default")
+	private String defaultValue;
+
+	@JsonProperty("request-keys")
+	private List<RequestKey> requestKeys;
+
+	@JsonProperty("response-keys")
+	private List<ResponseKey> responseKeys;
+
+	public String getName() {
+		return name;
+	}
+
+	public void setName(String name) {
+		this.name = name;
+	}
+
+	public String getDescription() {
+		return description;
+	}
+
+	public void setDescription(String description) {
+		this.description = description;
+	}
+
+	public String getType() {
+		return type;
+	}
+
+	public void setType(String type) {
+		this.type = type;
+	}
+
+	public boolean isRequired() {
+		return required;
+	}
+
+	public void setRequired(boolean required) {
+		this.required = required;
+	}
+
+	public String getSource() {
+		return source;
+	}
+
+	public void setSource(String source) {
+		this.source = source;
+	}
+
+	public String getRuleType() {
+		return ruleType;
+	}
+
+	public void setRuleType(String ruleType) {
+		this.ruleType = ruleType;
+	}
+
+	public String getDefaultValue() {
+		return defaultValue;
+	}
+
+	public void setDefaultValue(String defaultValue) {
+		this.defaultValue = defaultValue;
+	}
+
+	public List<RequestKey> getRequestKeys() {
+		return requestKeys;
+	}
+
+	public void setRequestKeys(List<RequestKey> requestKeys) {
+		this.requestKeys = requestKeys;
+	}
+
+	public List<ResponseKey> getResponseKeys() {
+		return responseKeys;
+	}
+
+	public void setResponseKeys(List<ResponseKey> responseKeys) {
+		this.responseKeys = responseKeys;
+	}
+
+
+
+
+
+}
diff --git a/appc-config/appc-config-params/provider/src/main/java/org/openecomp/sdnc/config/params/data/PropertyDefinition.java b/appc-config/appc-config-params/provider/src/main/java/org/openecomp/sdnc/config/params/data/PropertyDefinition.java
new file mode 100644
index 000000000..0fd1b92c8
--- /dev/null
+++ b/appc-config/appc-config-params/provider/src/main/java/org/openecomp/sdnc/config/params/data/PropertyDefinition.java
@@ -0,0 +1,54 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP : APPC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. 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
+ * 
+ *  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.
+ * 
+ *  ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdnc.config.params.data;
+
+import java.util.List;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+public class PropertyDefinition {
+	public String kind = "Property Definition";
+	public String version = "V1";
+	
+	@JsonProperty("vnf-parameter-list")
+	public List<Parameter> parameters;
+	public String getKind() {
+		return kind;
+	}
+	public void setKind(String kind) {
+		this.kind = kind;
+	}
+	public String getVersion() {
+		return version;
+	}
+	public void setVersion(String version) {
+		this.version = version;
+	}
+	public List<Parameter> getParameters() {
+		return parameters;
+	}
+	public void setParameters(List<Parameter> parameters) {
+		this.parameters = parameters;
+	}	
+	
+}
diff --git a/appc-config/appc-config-params/provider/src/main/java/org/openecomp/sdnc/config/params/data/RequestKey.java b/appc-config/appc-config-params/provider/src/main/java/org/openecomp/sdnc/config/params/data/RequestKey.java
new file mode 100644
index 000000000..c1cf0e19a
--- /dev/null
+++ b/appc-config/appc-config-params/provider/src/main/java/org/openecomp/sdnc/config/params/data/RequestKey.java
@@ -0,0 +1,49 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP : APPC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. 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
+ * 
+ *  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.
+ * 
+ *  ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdnc.config.params.data;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+public class RequestKey{
+	@JsonProperty("key-name")
+	private String keyName;
+	@JsonProperty("key-value")
+	private String keyValue;	
+
+	public String getKeyName() {
+		return keyName;
+	}
+	public void setKeyName(String keyName) {
+		this.keyName = keyName;
+	}
+	public String getKeyValue() {
+		return keyValue;
+	}
+	public void setKeyValue(String keyValue) {
+		this.keyValue = keyValue;
+	}
+	
+	
+	
+
+}
diff --git a/appc-config/appc-config-params/provider/src/main/java/org/openecomp/sdnc/config/params/data/ResponseKey.java b/appc-config/appc-config-params/provider/src/main/java/org/openecomp/sdnc/config/params/data/ResponseKey.java
new file mode 100644
index 000000000..9e394e465
--- /dev/null
+++ b/appc-config/appc-config-params/provider/src/main/java/org/openecomp/sdnc/config/params/data/ResponseKey.java
@@ -0,0 +1,55 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP : APPC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. 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
+ * 
+ *  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.
+ * 
+ *  ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdnc.config.params.data;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+public class ResponseKey{
+	@JsonProperty("unique-key-name")
+	private String uniqueKeyName;
+	@JsonProperty("unique-key-value")
+	private String uniqueKeyValue;
+	@JsonProperty("field-key-name")
+	private String fieldKeyName;
+	
+	public String getUniqueKeyName() {
+		return uniqueKeyName;
+	}
+	public void setUniqueKeyName(String uniqueKeyName) {
+		this.uniqueKeyName = uniqueKeyName;
+	}
+	public String getUniqueKeyValue() {
+		return uniqueKeyValue;
+	}
+	public void setUniqueKeyValue(String uniqueKeyValue) {
+		this.uniqueKeyValue = uniqueKeyValue;
+	}
+	public String getFieldKeyName() {
+		return fieldKeyName;
+	}
+	public void setFieldKeyName(String fieldKeyName) {
+		this.fieldKeyName = fieldKeyName;
+	}
+	
+	
+}
diff --git a/appc-config/appc-config-params/provider/src/main/java/org/openecomp/sdnc/config/params/parser/PropertyDefinitionNode.java b/appc-config/appc-config-params/provider/src/main/java/org/openecomp/sdnc/config/params/parser/PropertyDefinitionNode.java
new file mode 100644
index 000000000..a19c2b927
--- /dev/null
+++ b/appc-config/appc-config-params/provider/src/main/java/org/openecomp/sdnc/config/params/parser/PropertyDefinitionNode.java
@@ -0,0 +1,249 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP : APPC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. 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
+ * 
+ *  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.
+ * 
+ *  ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdnc.config.params.parser;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.apache.commons.lang3.StringUtils;
+import org.openecomp.sdnc.config.params.ParamsHandlerConstant;
+import org.openecomp.sdnc.config.params.data.Parameter;
+import org.openecomp.sdnc.config.params.data.PropertyDefinition;
+import org.openecomp.sdnc.sli.SvcLogicContext;
+import org.openecomp.sdnc.sli.SvcLogicException;
+import org.openecomp.sdnc.sli.SvcLogicJavaPlugin;
+
+import com.att.eelf.configuration.EELFLogger;
+import com.att.eelf.configuration.EELFManager;
+import com.fasterxml.jackson.core.JsonParseException;
+import com.fasterxml.jackson.databind.JsonMappingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.dataformat.yaml.YAMLFactory;
+
+public class PropertyDefinitionNode implements SvcLogicJavaPlugin{
+
+
+	private static final  EELFLogger log = EELFManager.getInstance().getLogger(PropertyDefinitionNode.class);
+
+	public void processMissingParamKeys(Map<String, String> inParams, SvcLogicContext ctx) throws SvcLogicException {
+		log.info("Received processParamKeys call with params : " + inParams);
+		String responsePrefix = inParams.get(ParamsHandlerConstant.INPUT_PARAM_RESPONSE_PRIFIX);		
+		try{
+			responsePrefix = StringUtils.isNotBlank(responsePrefix) ? (responsePrefix+".") : "";
+
+			String requestParamJson = inParams.get(ParamsHandlerConstant.INPUT_PARAM_JSON_DATA);	
+			String pdContent = inParams.get(ParamsHandlerConstant.INPUT_PARAM_PD_CONTENT);	
+
+			if(StringUtils.isBlank(pdContent)){
+				throw new Exception("Request Param (pdContent) is Missing ..");
+			}
+
+			if(StringUtils.isBlank(requestParamJson)){
+				throw new Exception("Request Param (jsonData) is Missing ..");
+			}
+
+			PropertyDefinition propertyDefinition = parsePDContent(pdContent);
+			if(propertyDefinition != null){
+				requestParamJson = mergeMissingRequestParamFromPD(propertyDefinition, requestParamJson);
+				ctx.setAttribute(responsePrefix + ParamsHandlerConstant.OUTPUT_PARAM_CONFIGURATION_PARAMETER, requestParamJson);
+			}
+			
+			ctx.setAttribute(responsePrefix + ParamsHandlerConstant.OUTPUT_PARAM_STATUS, ParamsHandlerConstant.OUTPUT_STATUS_SUCCESS);
+		} catch (Exception e) {
+			ctx.setAttribute(responsePrefix + ParamsHandlerConstant.OUTPUT_PARAM_STATUS, ParamsHandlerConstant.OUTPUT_STATUS_FAILURE);
+			ctx.setAttribute(responsePrefix + ParamsHandlerConstant.OUTPUT_PARAM_ERROR_MESSAGE,e.getMessage());
+			log.error("Failed in merging data to template " + e.getMessage());
+			throw new SvcLogicException(e.getMessage());
+		}
+	}
+
+	public void processExternalSystemParamKeys(Map<String, String> inParams, SvcLogicContext ctx) throws SvcLogicException {
+		log.info("Received processExternalSystemParamKeys call with params : " + inParams);
+		String responsePrefix = inParams.get(ParamsHandlerConstant.INPUT_PARAM_RESPONSE_PRIFIX);		
+		try{
+			responsePrefix = StringUtils.isNotBlank(responsePrefix) ? (responsePrefix+".") : "";
+
+			String requestParamJson = inParams.get(ParamsHandlerConstant.INPUT_PARAM_JSON_DATA);	
+			String pdContent = inParams.get(ParamsHandlerConstant.INPUT_PARAM_PD_CONTENT);	
+			String systemName = inParams.get(ParamsHandlerConstant.INPUT_PARAM_SYSTEM_NAME);	
+
+
+			if(StringUtils.isBlank(pdContent)){
+				throw new Exception("Request Param (pdContent) is Missing ..");
+			}
+
+			if(StringUtils.isBlank(requestParamJson)){
+				throw new Exception("Request Param (jsonData) is Missing ..");
+			}
+
+			if(StringUtils.isBlank(systemName)){
+				throw new Exception("Request Param (systemName) is Missing ..");
+			}
+
+			PropertyDefinition propertyDefinition = parsePDContent(pdContent);
+			if(propertyDefinition != null){
+				getSystemRequestParamInfoFromPD(propertyDefinition, requestParamJson, systemName, ctx);
+			}
+
+			ctx.setAttribute(responsePrefix + ParamsHandlerConstant.OUTPUT_PARAM_STATUS, ParamsHandlerConstant.OUTPUT_STATUS_SUCCESS);
+		} catch (Exception e) {
+			ctx.setAttribute(responsePrefix + ParamsHandlerConstant.OUTPUT_PARAM_STATUS, ParamsHandlerConstant.OUTPUT_STATUS_FAILURE);
+			ctx.setAttribute(responsePrefix + ParamsHandlerConstant.OUTPUT_PARAM_ERROR_MESSAGE,e.getMessage());
+			log.error("Failed in merging data to template " + e.getMessage());
+			throw new SvcLogicException(e.getMessage());
+		}
+	}
+
+
+	public void mergeJsonData(Map<String, String> inParams, SvcLogicContext ctx) throws SvcLogicException {
+		log.info("Received mergeJsonData call with params : " + inParams);
+		String responsePrefix = inParams.get(ParamsHandlerConstant.INPUT_PARAM_RESPONSE_PRIFIX);		
+		try{
+			responsePrefix = StringUtils.isNotBlank(responsePrefix) ? (responsePrefix+".") : "";
+
+			String requestParamJson = inParams.get(ParamsHandlerConstant.INPUT_PARAM_JSON_DATA);	
+			String mergeJsonData = inParams.get(ParamsHandlerConstant.INPUT_PARAM_MERGE__JSON_DATA);			
+
+			if(StringUtils.isBlank(requestParamJson)){
+				throw new Exception("Request Param (jsonData) is Missing ..");
+			}
+
+			if(StringUtils.isBlank(mergeJsonData)){
+				throw new Exception("Request Param (mergeJsonData) is Missing ..");
+			}
+
+			requestParamJson = mergeJson(requestParamJson, mergeJsonData);
+			ctx.setAttribute(responsePrefix + ParamsHandlerConstant.OUTPUT_PARAM_CONFIGURATION_PARAMETER, requestParamJson);
+			ctx.setAttribute(responsePrefix + ParamsHandlerConstant.OUTPUT_PARAM_STATUS, ParamsHandlerConstant.OUTPUT_STATUS_SUCCESS);
+		} catch (Exception e) {
+			ctx.setAttribute(responsePrefix + ParamsHandlerConstant.OUTPUT_PARAM_STATUS, ParamsHandlerConstant.OUTPUT_STATUS_FAILURE);
+			ctx.setAttribute(responsePrefix + ParamsHandlerConstant.OUTPUT_PARAM_ERROR_MESSAGE,e.getMessage());
+			log.error("Failed in merging data to template " + e.getMessage());
+			throw new SvcLogicException(e.getMessage());
+		}
+	}
+
+
+	/* */
+
+	private PropertyDefinition parsePDContent(String pdContent) throws JsonParseException, JsonMappingException, IOException{
+		PropertyDefinition propertyDefinition = null;
+		if(StringUtils.isNotBlank(pdContent)){
+			ObjectMapper mapper = new ObjectMapper(new YAMLFactory());
+			propertyDefinition = mapper.readValue(pdContent, PropertyDefinition.class);
+		}
+		return propertyDefinition;
+	}
+
+
+	private String mergeMissingRequestParamFromPD(PropertyDefinition propertyDefinition, String requestParamJson) throws Exception{
+
+		if(propertyDefinition == null){
+			throw new Exception("PropertyDefinition is Missing ..");
+		}
+
+		if(StringUtils.isBlank(requestParamJson)){
+			throw new Exception("Request Param is Missing ..");
+		}
+
+		ObjectMapper mapper = new ObjectMapper();
+		Map<String, String> requestParamMap = mapper.readValue(requestParamJson, HashMap.class);
+		if(requestParamMap != null){
+			List<Parameter> parameters = propertyDefinition.getParameters();
+			for (Parameter parameter : parameters) {
+				if(parameter != null){
+					
+					log.info("Checking Key " + parameter.getName() + ":: Source :" +parameter.getSource());	
+					// Add Only non external system keys,If it is not present in request Params
+					if( !requestParamMap.containsKey(parameter.getName()) 
+							&& StringUtils.isBlank(parameter.getSource())
+							){
+						log.info("Adding New Key " + parameter.getName());	
+						requestParamMap.put(parameter.getName(), parameter.getDefaultValue());
+					}					
+				}				
+			}			
+			requestParamJson = mapper.writeValueAsString(requestParamMap);
+			log.info("Processed Request Param " + requestParamJson);	
+		}
+
+		return requestParamJson;
+	}
+
+	private void getSystemRequestParamInfoFromPD(PropertyDefinition propertyDefinition, String requestParamJson, String systemName, SvcLogicContext ctx) throws Exception{
+
+		if(propertyDefinition == null){
+			throw new Exception("PropertyDefinition is Missing ..");
+		}
+
+		if(StringUtils.isBlank(requestParamJson)){
+			throw new Exception("Request Param is Missing ..");
+		}
+
+		ObjectMapper mapper = new ObjectMapper();
+		Map<String, String> requestParamMap = mapper.readValue(requestParamJson, HashMap.class);
+		if(requestParamMap != null){
+			List<Parameter> parameters = propertyDefinition.getParameters();
+
+			List<String> externalSystemKeys = new ArrayList<String>();
+			for (Parameter parameter : parameters) {
+				if(parameter != null){
+					if( !requestParamMap.containsKey(parameter.getName()) && StringUtils.isNotBlank(parameter.getSource()) ){
+						log.info("Adding New System Key " + parameter.getName() + ":"+ mapper.writeValueAsString(parameter));
+						externalSystemKeys.add(parameter.getName());
+						ctx.setAttribute(systemName +"."+parameter.getName(), mapper.writeValueAsString(parameter));
+					}					
+				}				
+			}	
+
+			String systemKeys = systemName+".keys";
+			ctx.setAttribute(systemKeys, mapper.writeValueAsString(externalSystemKeys));
+		}
+	}
+
+
+	private String mergeJson(String requestParamJson, String systemParamJson) throws Exception {
+		ObjectMapper mapper = new ObjectMapper();
+		Map<String, String> requestParamMap = mapper.readValue(requestParamJson, HashMap.class);
+		if(requestParamMap != null){
+			Map<String, String> systemParamMap = mapper.readValue(systemParamJson, HashMap.class);
+			if(systemParamMap != null){
+				for (String systemParamKey : systemParamMap.keySet()) {
+					log.trace("Megging System Key Values " + systemParamKey);	
+					requestParamMap.put( systemParamKey , systemParamMap.get(systemParamKey));		
+				}	
+			}
+			requestParamJson = mapper.writeValueAsString(requestParamMap);
+			log.info("Processed Request Param " + requestParamJson);	
+		}
+
+		return requestParamJson;
+	}
+
+
+
+
+}
diff --git a/appc-config/appc-config-params/provider/src/main/java/org/openecomp/sdnc/config/params/transformer/ArtificatTransformer.java b/appc-config/appc-config-params/provider/src/main/java/org/openecomp/sdnc/config/params/transformer/ArtificatTransformer.java
new file mode 100644
index 000000000..c646d9bd6
--- /dev/null
+++ b/appc-config/appc-config-params/provider/src/main/java/org/openecomp/sdnc/config/params/transformer/ArtificatTransformer.java
@@ -0,0 +1,85 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP : APPC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. 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
+ * 
+ *  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.
+ * 
+ *  ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdnc.config.params.transformer;
+
+import java.io.IOException;
+import java.util.List;
+
+import org.apache.commons.lang3.StringUtils;
+import org.openecomp.sdnc.config.params.data.Parameter;
+import org.openecomp.sdnc.config.params.data.PropertyDefinition;
+
+import com.fasterxml.jackson.core.JsonParseException;
+import com.fasterxml.jackson.databind.JsonMappingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.SerializationFeature;
+import com.fasterxml.jackson.dataformat.yaml.YAMLFactory;
+
+public class ArtificatTransformer {
+
+
+	public String convertPDToYaml(PropertyDefinition propertyDefinition) throws JsonParseException, JsonMappingException, IOException{
+		String yamlContent = null;
+		if(propertyDefinition != null){
+			ObjectMapper mapper = new ObjectMapper(new YAMLFactory());
+			mapper.disable(SerializationFeature.FAIL_ON_EMPTY_BEANS);
+			yamlContent = mapper.writeValueAsString(propertyDefinition);	        
+		}
+		return yamlContent;
+	}
+
+	public String transformYamlToJson(String yaml) throws JsonParseException, JsonMappingException, IOException {
+		ObjectMapper yamlReader = new ObjectMapper(new YAMLFactory());
+		Object obj = yamlReader.readValue(yaml, Object.class);
+		ObjectMapper jsonWriter = new ObjectMapper();
+		jsonWriter.enable(SerializationFeature.INDENT_OUTPUT);	    
+		return jsonWriter.writeValueAsString(obj);
+	}
+
+	public PropertyDefinition convertYAMLToPD(String pdContent) throws JsonParseException, JsonMappingException, IOException{
+		PropertyDefinition propertyDefinition = null;
+		if(StringUtils.isNotBlank(pdContent)){
+			ObjectMapper mapper = new ObjectMapper(new YAMLFactory());
+			propertyDefinition = mapper.readValue(pdContent, PropertyDefinition.class);
+		}
+		return propertyDefinition;
+	}
+
+	public String convertYAMLToParams(String pdContent) throws JsonParseException, JsonMappingException, IOException{
+		String paramJson = null;
+		if(StringUtils.isNotBlank(pdContent)){
+			paramJson = convertPdToParams(convertYAMLToPD(pdContent));
+		}
+		return paramJson;
+	}
+
+	public String convertPdToParams(PropertyDefinition propertyDefinition) throws JsonParseException, JsonMappingException, IOException{
+		String paramJson = null;
+		if(propertyDefinition != null  && propertyDefinition.getParameters() != null){
+			List<Parameter> parameters = propertyDefinition.getParameters();
+
+		}
+		return paramJson;
+	}
+
+}
diff --git a/appc-config/appc-config-params/provider/src/main/java/org/openecomp/sdnc/config/params/transformer/tosca/ArtifactProcessor.java b/appc-config/appc-config-params/provider/src/main/java/org/openecomp/sdnc/config/params/transformer/tosca/ArtifactProcessor.java
new file mode 100644
index 000000000..b4c688075
--- /dev/null
+++ b/appc-config/appc-config-params/provider/src/main/java/org/openecomp/sdnc/config/params/transformer/tosca/ArtifactProcessor.java
@@ -0,0 +1,66 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP : APPC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. 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
+ * 
+ *  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.
+ * 
+ *  ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdnc.config.params.transformer.tosca;
+
+import org.openecomp.sdnc.config.params.data.PropertyDefinition;
+import org.openecomp.sdnc.config.params.transformer.tosca.exceptions.ArtifactProcessorException;
+
+import java.io.OutputStream;
+
+public interface ArtifactProcessor
+{
+    /**
+     * Generates Tosca artifact from PropertyDefinition object.
+     *
+     * @param artifact
+     *                PropertyDefinition object which is to be converted to Tosca.
+     * @param stream
+     *                Stream to which the generated Tosca is to be written.
+     * @throws ArtifactProcessorException
+     *                If the Tosca Generation failed
+     */
+    void generateArtifact(PropertyDefinition artifact, OutputStream stream) throws ArtifactProcessorException;
+
+    /**
+     * Generates Tosca artifact from PropertyDefinition string.
+     *
+     * @param artifact
+     *               PropertyDefinition string which is to be converted to Tosca.
+     * @param stream
+     *               Stream to which the generated Tosca is to be written.
+     * @throws ArtifactProcessorException
+     *               If the Tosca Generation failed
+     */
+    void generateArtifact(String artifact, OutputStream stream) throws ArtifactProcessorException;
+
+    /**
+     * Generates the PropertyDefinition object from a Tosca artifact.
+     *
+     * @param toscaArtifact
+     *                Tosca artifact which is to be converted.
+     * @return PropertyDefinition object generated from Tosca
+     * @throws ArtifactProcessorException
+     *                If the PropertyDefinition Generation failed
+     */
+    PropertyDefinition readArtifact(String toscaArtifact) throws ArtifactProcessorException;
+}
diff --git a/appc-config/appc-config-params/provider/src/main/java/org/openecomp/sdnc/config/params/transformer/tosca/ArtifactProcessorFactory.java b/appc-config/appc-config-params/provider/src/main/java/org/openecomp/sdnc/config/params/transformer/tosca/ArtifactProcessorFactory.java
new file mode 100644
index 000000000..65da0c4f6
--- /dev/null
+++ b/appc-config/appc-config-params/provider/src/main/java/org/openecomp/sdnc/config/params/transformer/tosca/ArtifactProcessorFactory.java
@@ -0,0 +1,41 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP : APPC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. 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
+ * 
+ *  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.
+ * 
+ *  ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdnc.config.params.transformer.tosca;
+
+/**
+ * Created by pranavdi on 3/29/2017.
+ */
+public class ArtifactProcessorFactory
+{
+    private static class InstanceHolder
+    {
+        private static ArtifactProcessorImpl instance = new ArtifactProcessorImpl();
+    }
+
+    private ArtifactProcessorFactory(){}
+
+    public static ArtifactProcessor getArtifactProcessor()
+    {
+        return InstanceHolder.instance;
+    }
+}
diff --git a/appc-config/appc-config-params/provider/src/main/java/org/openecomp/sdnc/config/params/transformer/tosca/ArtifactProcessorImpl.java b/appc-config/appc-config-params/provider/src/main/java/org/openecomp/sdnc/config/params/transformer/tosca/ArtifactProcessorImpl.java
new file mode 100644
index 000000000..754676c26
--- /dev/null
+++ b/appc-config/appc-config-params/provider/src/main/java/org/openecomp/sdnc/config/params/transformer/tosca/ArtifactProcessorImpl.java
@@ -0,0 +1,399 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP : APPC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. 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
+ * 
+ *  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.
+ * 
+ *  ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdnc.config.params.transformer.tosca;
+
+import com.att.eelf.configuration.EELFLogger;
+import com.att.eelf.configuration.EELFManager;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.dataformat.yaml.YAMLFactory;
+import org.apache.commons.lang.StringUtils;
+
+import org.openecomp.sdc.tosca.datatypes.model.*;
+import org.openecomp.sdc.tosca.services.YamlUtil;
+import org.openecomp.sdnc.config.params.data.Parameter;
+import org.openecomp.sdnc.config.params.data.PropertyDefinition;
+import org.openecomp.sdnc.config.params.data.RequestKey;
+import org.openecomp.sdnc.config.params.data.ResponseKey;
+import org.openecomp.sdnc.config.params.transformer.tosca.exceptions.ArtifactProcessorException;
+import org.slf4j.MDC;
+
+import java.io.IOException;
+import java.io.OutputStream;
+import java.io.OutputStreamWriter;
+import java.util.*;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+import static com.att.eelf.configuration.Configuration.MDC_SERVICE_NAME;
+
+public class ArtifactProcessorImpl implements ArtifactProcessor
+{
+    private static final String DERIVEDFROM = "org.openecomp.genericvnf";
+    private static final EELFLogger Log = EELFManager.getInstance().getLogger(ArtifactProcessorImpl.class);
+    private static final String EQUALSENCODING = "&equals;";
+    private static final String COLONENCODING = "&colon;";
+    private static final String COMMAENCODING = "&comma;";
+    private static final String GREATERTHANENCODING = "&gt;";
+    private static final String LESSTHANENCODING = "&lt;";
+
+    @Override
+    public void generateArtifact(PropertyDefinition artifact, OutputStream stream) throws ArtifactProcessorException
+    {
+        MDC.clear();
+        MDC.put(MDC_SERVICE_NAME,"ArtifactGenerator");
+        Log.info("Entered into generateArtifact");
+        if(!StringUtils.isBlank(artifact.getKind())) {
+            logArtifact(artifact);
+            ServiceTemplate serviceTemplate = new ServiceTemplate();
+
+            addNodeType(artifact, serviceTemplate);
+
+            TopologyTemplate topologyTemplate = new TopologyTemplate();
+            serviceTemplate.setTopology_template(topologyTemplate);
+            addNodeTemplate(artifact, serviceTemplate);
+
+            String tosca = new YamlUtil().objectToYaml(serviceTemplate);
+            OutputStreamWriter writer = new OutputStreamWriter(stream);
+            try {
+                writer.write(tosca);
+                writer.flush();
+            } catch (IOException e) {
+                Log.error("Error writing to outputstream", e);
+                throw new ArtifactProcessorException(e);
+            } finally {
+                try {
+                    writer.close();
+                } catch (IOException e) {
+                    Log.error("Error while closing outputstream writer", e);
+                }
+                MDC.clear();
+            }
+        }
+        else
+        {
+            Log.error("Kind in PropertyDefinition is blank or null");
+            throw new ArtifactProcessorException("Kind in PropertyDefinition is blank or null");
+        }
+    }
+
+    @Override
+    public void generateArtifact(String artifact, OutputStream stream) throws ArtifactProcessorException
+    {
+        ObjectMapper mapper = new ObjectMapper(new YAMLFactory());
+        try {
+            PropertyDefinition pd = mapper.readValue(artifact, PropertyDefinition.class);
+            generateArtifact(pd, stream);
+        }
+        catch (IOException e)
+        {
+            Log.error("Error parsing property definition content = "+ artifact,e);
+            throw new ArtifactProcessorException(e);
+        }
+    }
+
+    @Override
+    public PropertyDefinition readArtifact(String toscaArtifact) throws ArtifactProcessorException{
+        Log.info("Entered into readArtifact.");
+        Log.info("Received ToscaArtifact:\n" + toscaArtifact);
+
+        PropertyDefinition propertyDefinitionObj = new PropertyDefinition();
+        ServiceTemplate serviceTemplate = new YamlUtil().yamlToObject(toscaArtifact, ServiceTemplate.class);
+
+        //mapping parameters
+        Map<String, NodeType> nodeTypeMap = serviceTemplate.getNode_types();
+        Map<String, NodeTemplate> nodeTemplateMap = serviceTemplate.getTopology_template().getNode_templates();
+
+        String nodeTemplateName = nodeTemplateMap.keySet().toArray(new String[0])[0];
+        NodeTemplate nodeTemplate = nodeTemplateMap.get(nodeTemplateName);
+        Map<String, Object> nodeTemplateProperties = nodeTemplate.getProperties();
+
+        String kind = nodeTypeMap.keySet().toArray(new String[0])[0];
+        NodeType nodeType = nodeTypeMap.get(kind);
+        String version = nodeType.getVersion();
+        Log.info("ReadArtifact for "+ kind + " with version "+version);
+        propertyDefinitionObj.setKind(kind);
+        propertyDefinitionObj.setVersion(version);
+
+        List<Parameter> parameterList = new LinkedList<>();
+
+        Map<String, org.openecomp.sdc.tosca.datatypes.model.PropertyDefinition> propertyDefinitionFromTOSCA = nodeType.getProperties();
+        if(null != propertyDefinitionFromTOSCA){
+            for (String propertyName : propertyDefinitionFromTOSCA.keySet()) {
+                org.openecomp.sdc.tosca.datatypes.model.PropertyDefinition propertyDefinition = propertyDefinitionFromTOSCA.get(propertyName);
+
+                Parameter parameter = new Parameter();
+                parameter.setName(propertyName);
+
+                if (propertyDefinition.get_default() != null) {
+                    parameter.setDefaultValue(propertyDefinition.get_default().toString());
+                }
+                parameter.setDescription(propertyDefinition.getDescription());
+                if (null != propertyDefinition.getRequired()) {
+                    parameter.setRequired(propertyDefinition.getRequired());
+                } else {
+                    parameter.setRequired(false);
+                }
+
+                if (StringUtils.isNotEmpty(propertyDefinition.getType())) {
+                    parameter.setType(propertyDefinition.getType());
+                }
+
+                String propertValueExpr = (String) nodeTemplateProperties.get(propertyName);
+                String[] stringTokens = parsePropertyValueExpression(propertValueExpr);
+                String ruleType = stringTokens[0].substring(stringTokens[0].indexOf('=')+1,stringTokens[0].length()).replaceAll(">","").trim();
+                String responseExpression = stringTokens[1].substring(stringTokens[1].indexOf('=')+1,stringTokens[1].length());
+                String source = stringTokens[2].substring(stringTokens[2].indexOf('=')+1,stringTokens[2].length()).replaceAll(">","").trim();
+                String requestExpression = stringTokens[3].substring(stringTokens[3].indexOf('=')+1,stringTokens[3].length());
+
+                List<RequestKey> requestKeys = readRequestKeys(requestExpression);
+                List<ResponseKey> responseKeys = readResponseKeys(responseExpression);
+
+                parameter.setRuleType(ruleType);
+                parameter.setSource(source);
+                parameter.setRequestKeys(requestKeys);
+                parameter.setResponseKeys(responseKeys);
+
+                parameterList.add(parameter);
+
+            }
+        }
+        propertyDefinitionObj.setParameters(parameterList);
+        Log.info("Exiting from readArtifact. ");
+        return propertyDefinitionObj;
+    }
+
+    private List<ResponseKey> readResponseKeys(String responseExpression) throws ArtifactProcessorException {
+        Log.info("Entered into readResponseKeys.");
+        List<ResponseKey> responseKeyList = null;
+        String expression;
+        expression = responseExpression.replaceAll("<", "").replaceAll(">", "").trim();
+        if (StringUtils.isNotEmpty(expression)) {
+            responseKeyList = new ArrayList<>();
+
+            String[] responseKeys = expression.split(",");
+            for (String responseKeyStr : responseKeys) {
+                ResponseKey responseKey = new ResponseKey();
+                try {
+                    responseKey.setUniqueKeyName(responseKeyStr.split(":")[0].replaceAll(LESSTHANENCODING, "<").replaceAll(GREATERTHANENCODING, ">").replaceAll(COLONENCODING, ":").replaceAll(COMMAENCODING, ",").replaceAll(EQUALSENCODING,"=").trim());
+                    responseKey.setUniqueKeyValue(responseKeyStr.split(":")[1].replaceAll(LESSTHANENCODING, "<").replaceAll(GREATERTHANENCODING, ">").replaceAll(COLONENCODING, ":").replaceAll(COMMAENCODING, ",").replaceAll(EQUALSENCODING,"=").trim());
+                    responseKey.setFieldKeyName(responseKeyStr.split(":")[2].replaceAll(LESSTHANENCODING, "<").replaceAll(GREATERTHANENCODING, ">").replaceAll(COLONENCODING, ":").replaceAll(COMMAENCODING, ",").replaceAll(EQUALSENCODING,"=").trim());
+                } catch (ArrayIndexOutOfBoundsException e) {
+                    Log.error("Invalid response attribute found :" + responseKeyStr + "due to "+e);
+                    throw new ArtifactProcessorException("Invalid response attribute found :" + responseKeyStr);
+                }
+                responseKeyList.add(responseKey);
+            }
+        }
+        Log.info("Exiting from readResponseKeys.");
+        return responseKeyList;
+    }
+
+    private List<RequestKey> readRequestKeys(String requestExpression) {
+        Log.info("Entered into readRequestKeys.");
+        List<RequestKey> requestKeyList = null;
+        String expression;
+        expression = requestExpression.replaceAll("<","").replaceAll(">","").trim();
+        if(StringUtils.isNotEmpty(expression)){
+            requestKeyList = new ArrayList<>();
+            String[] requestKeys = expression.split(",");
+            for(String responseKeyStr :requestKeys){
+                RequestKey requestKey = new RequestKey();
+                requestKey.setKeyName(responseKeyStr.split(":")[0].replaceAll(LESSTHANENCODING, "<").replaceAll(GREATERTHANENCODING, ">").replaceAll(COLONENCODING,":").replaceAll(COMMAENCODING,",").replaceAll(EQUALSENCODING,"=").trim());
+                requestKey.setKeyValue(responseKeyStr.split(":")[1].replaceAll(LESSTHANENCODING, "<").replaceAll(GREATERTHANENCODING, ">").replaceAll(COLONENCODING,":").replaceAll(COMMAENCODING,",").replaceAll(EQUALSENCODING,"=").trim());
+                requestKeyList.add(requestKey);
+            }
+        }
+        Log.info("Exiting from readRequestKeys.");
+        return requestKeyList;
+    }
+
+    private String[] parsePropertyValueExpression(String propertValueExpr) throws ArtifactProcessorException{
+        Log.info("Entered into parsePropertyValueExpression.");
+        String nodeRegex = "<(.*?)>";
+        Pattern pattern = Pattern.compile(nodeRegex, Pattern.CASE_INSENSITIVE);
+        Matcher matcher = pattern.matcher(propertValueExpr);
+        List<String> stringTokens = new ArrayList<>();
+        while(matcher.find()){
+            stringTokens.add(matcher.group(0));
+        }
+        String[] propertiesArr = new String[stringTokens.size()];
+        propertiesArr = stringTokens.toArray(propertiesArr);
+        if(propertiesArr.length!=4){
+            throw new ArtifactProcessorException("Invalid input found " + propertValueExpr);
+        }
+        Log.info("Exiting from parsePropertyValueExpression.");
+        return propertiesArr;
+    }
+
+    private void addNodeType(PropertyDefinition artifact, ServiceTemplate toscaTemplate) throws ArtifactProcessorException {
+        //Add basic fields for the node
+        NodeType toscaNodeType = new NodeType();
+        toscaNodeType.setDerived_from(DERIVEDFROM);
+        toscaNodeType.setVersion(artifact.getVersion());
+        toscaNodeType.setDescription("");
+        if(artifact.getParameters()!=null) {
+            Map<String, org.openecomp.sdc.tosca.datatypes.model.PropertyDefinition> toscaPropertyMap = new HashMap<>();
+            toscaNodeType.setProperties(toscaPropertyMap);
+
+            //Add properties from parameters of PD
+            for (Parameter pdParameter : artifact.getParameters()) {
+                addProperty(toscaNodeType, pdParameter);
+            }
+        }
+
+        // This is where it adds node in node Map and adds the map in tosca template
+        Map<String,NodeType> toscaNodeMap = new HashMap<>();
+        toscaNodeMap.put(artifact.getKind(),toscaNodeType);
+        toscaTemplate.setNode_types(toscaNodeMap);
+    }
+
+    private void addProperty(NodeType toscaNodeType, Parameter pdParameter) throws ArtifactProcessorException {
+        if(!StringUtils.isBlank(pdParameter.getName())&& !pdParameter.getName().matches(".*\\s+.*")) {
+            Log.info("Adding parameter " + pdParameter.getName() + " in node type");
+            org.openecomp.sdc.tosca.datatypes.model.PropertyDefinition toscaProperty = new org.openecomp.sdc.tosca.datatypes.model.PropertyDefinition();
+
+            toscaProperty.setType(StringUtils.isBlank(pdParameter.getType()) ? "string" : pdParameter.getType());
+            toscaProperty.set_default(pdParameter.getDefaultValue());
+
+            toscaProperty.setDescription(pdParameter.getDescription());
+            toscaProperty.setRequired(pdParameter.isRequired());
+
+            toscaNodeType.getProperties().put(pdParameter.getName(), toscaProperty);
+        }
+        else
+        {
+            String message ="Parameter name is empty,null or contains whitespace";
+            Log.error(message);
+            throw new ArtifactProcessorException(message);
+        }
+    }
+
+    private void addNodeTemplate(PropertyDefinition artifact, ServiceTemplate toscaTemplate)
+    {
+        NodeTemplate nodeTemplate = new NodeTemplate();
+        nodeTemplate.setType(artifact.getKind());
+        Map<String,Object> templateProperties = new HashMap<>();
+        //Add properties from parameters of PD
+        if(artifact.getParameters()!=null) {
+            for (Parameter pdParameter : artifact.getParameters()) {
+                addTemplateProperty(templateProperties, pdParameter);
+            }
+            nodeTemplate.setProperties(templateProperties);
+        }
+        Map<String,NodeTemplate> nodeTemplateMap = new HashMap<>();
+        nodeTemplateMap.put(artifact.getKind()+"_Template",nodeTemplate);
+        toscaTemplate.getTopology_template().setNode_templates(nodeTemplateMap);
+    }
+
+    private void addTemplateProperty(Map<String,Object> templateProperties, Parameter pdParameter)
+    {
+        Log.info("Adding parameter "+ pdParameter.getName() + " in node templates");
+        String responseKeys = buildResponseKeyExpression(pdParameter.getResponseKeys());
+        String requestKeys = buildRequestKeyExpression(pdParameter.getRequestKeys());
+        String ruleType = buildRuleType(pdParameter.getRuleType());
+        String source = buildSourceSystem(pdParameter.getSource());
+        String properties = ruleType + " " + responseKeys + " " + source + " " + requestKeys;
+        templateProperties.put(pdParameter.getName(),properties);
+    }
+
+    protected String buildResponseKeyExpression(List<ResponseKey> responseKeys)
+    {
+        StringBuilder propertyBuilder = new StringBuilder();
+        propertyBuilder.append("<response-keys = ");
+        if(responseKeys!=null) {
+            Iterator<ResponseKey> itr = responseKeys.iterator();
+            while (itr.hasNext()) {
+                ResponseKey res = itr.next();
+                if(res!=null)
+                    propertyBuilder.append(encode(res.getUniqueKeyName()) + ":" + encode(res.getUniqueKeyValue()) + ":" + encode(res.getFieldKeyName()));
+                if (itr.hasNext())
+                    propertyBuilder.append(" , ");
+            }
+        }
+        propertyBuilder.append(">");
+        return propertyBuilder.toString();
+    }
+
+    protected String buildRequestKeyExpression(List<RequestKey> requestKeys)
+    {
+        StringBuilder propertyBuilder = new StringBuilder();
+        propertyBuilder.append("<request-keys = ");
+        if(requestKeys!=null) {
+            Iterator<RequestKey> itr = requestKeys.iterator();
+            while (itr.hasNext()) {
+                RequestKey res = itr.next();
+                if(res!=null)
+                    propertyBuilder.append(encode(res.getKeyName()) + ":" + encode(res.getKeyValue()));
+                if (itr.hasNext())
+                    propertyBuilder.append(" , ");
+            }
+        }
+        propertyBuilder.append(">");
+        return propertyBuilder.toString();
+    }
+
+    protected String buildRuleType(String classType)
+    {
+        StringBuilder propertyBuilder = new StringBuilder();
+        String encodedClassType = StringUtils.isBlank(encode(classType))?"":encode(classType);
+        propertyBuilder.append("<");
+        propertyBuilder.append("rule-type = "+encodedClassType);
+        propertyBuilder.append(">");
+        return propertyBuilder.toString();
+    }
+
+    protected String buildSourceSystem(String source)
+    {
+        StringBuilder sourceBuilder = new StringBuilder();
+        sourceBuilder.append("<source-system = ");
+        sourceBuilder.append(StringUtils.isBlank(encode(source))?"":encode(source));
+        sourceBuilder.append(">");
+        return sourceBuilder.toString();
+    }
+
+    protected String encode(String string)
+    {
+        String encodedString = null;
+        if(string!=null) {
+            encodedString = string.trim().replaceAll("<", "&lt;").replaceAll(">", "&gt;").replaceAll(":","&colon;").replaceAll(",","&comma;").replaceAll("=","&equals;");
+        }
+        return encodedString;
+    }
+
+    private void logArtifact(PropertyDefinition artifact)
+    {
+        ObjectMapper mapper = new ObjectMapper(new YAMLFactory());
+        String stringArtifact=null;
+        try
+        {
+            stringArtifact = mapper.writeValueAsString(artifact);
+            Log.info("Received PropertyDefinition:\n" + stringArtifact);
+        }
+        catch (JsonProcessingException e)
+        {
+            Log.error("Exception while logging artifact:",e);
+        }
+
+    }
+}
diff --git a/appc-config/appc-config-params/provider/src/main/java/org/openecomp/sdnc/config/params/transformer/tosca/exceptions/ArtifactProcessorException.java b/appc-config/appc-config-params/provider/src/main/java/org/openecomp/sdnc/config/params/transformer/tosca/exceptions/ArtifactProcessorException.java
new file mode 100644
index 000000000..e4ce87976
--- /dev/null
+++ b/appc-config/appc-config-params/provider/src/main/java/org/openecomp/sdnc/config/params/transformer/tosca/exceptions/ArtifactProcessorException.java
@@ -0,0 +1,46 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP : APPC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. 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
+ * 
+ *  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.
+ * 
+ *  ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdnc.config.params.transformer.tosca.exceptions;
+
+/**
+ * Created by pranavdi on 3/17/2017.
+ */
+public class ArtifactProcessorException extends Exception
+{
+    public ArtifactProcessorException() {}
+
+    public ArtifactProcessorException(String message)
+    {
+        super(message);
+    }
+
+    public ArtifactProcessorException(Throwable cause)
+    {
+        super(cause);
+    }
+
+    public ArtifactProcessorException(String message, Throwable cause)
+    {
+        super(message,cause);
+    }
+}