Update appc-config-parms to use onap packaging
[appc.git] / appc-config / appc-config-params / provider / src / main / java / org / onap / sdnc / config / params / transformer / tosca / ArtifactProcessorImpl.java
index e3dd5dc..f5dd7b6 100644 (file)
  * ============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;
+package org.onap.sdnc.config.params.transformer.tosca;
 
+import static com.att.eelf.configuration.Configuration.MDC_SERVICE_NAME;
 import java.io.IOException;
 import java.io.OutputStream;
 import java.io.OutputStreamWriter;
-import java.util.*;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Map;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
+import org.apache.commons.lang.StringUtils;
+import org.onap.sdnc.config.params.data.Parameter;
+import org.onap.sdnc.config.params.data.PropertyDefinition;
+import org.onap.sdnc.config.params.data.RequestKey;
+import org.onap.sdnc.config.params.data.ResponseKey;
+import org.onap.sdnc.config.params.transformer.tosca.exceptions.ArtifactProcessorException;
+import org.openecomp.sdc.tosca.datatypes.model.NodeTemplate;
+import org.openecomp.sdc.tosca.datatypes.model.NodeType;
+import org.openecomp.sdc.tosca.datatypes.model.ServiceTemplate;
+import org.openecomp.sdc.tosca.datatypes.model.TopologyTemplate;
+import org.openecomp.sdc.tosca.services.YamlUtil;
+import org.slf4j.MDC;
+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 static com.att.eelf.configuration.Configuration.MDC_SERVICE_NAME;
-
-public class ArtifactProcessorImpl implements ArtifactProcessor
-{
+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 EELFLogger Log =
+            EELFManager.getInstance().getLogger(ArtifactProcessorImpl.class);
     private static final String EQUALSENCODING = "=";
     private static final String COLONENCODING = ":";
     private static final String COMMAENCODING = ",";
@@ -60,12 +65,12 @@ public class ArtifactProcessorImpl implements ArtifactProcessor
     private static final String LESSTHANENCODING = "<";
 
     @Override
-    public void generateArtifact(PropertyDefinition artifact, OutputStream stream) throws ArtifactProcessorException
-    {
+    public void generateArtifact(PropertyDefinition artifact, OutputStream stream)
+            throws ArtifactProcessorException {
         MDC.clear();
-        MDC.put(MDC_SERVICE_NAME,"ArtifactGenerator");
+        MDC.put(MDC_SERVICE_NAME, "ArtifactGenerator");
         Log.info("Entered into generateArtifact");
-        if(!StringUtils.isBlank(artifact.getKind())) {
+        if (!StringUtils.isBlank(artifact.getKind())) {
             logArtifact(artifact);
             ServiceTemplate serviceTemplate = new ServiceTemplate();
 
@@ -91,40 +96,38 @@ public class ArtifactProcessorImpl implements ArtifactProcessor
                 }
                 MDC.clear();
             }
-        }
-        else
-        {
+        } 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
-    {
+    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);
+        } catch (IOException e) {
+            Log.error("Error parsing property definition content = " + artifact, e);
             throw new ArtifactProcessorException(e);
         }
     }
 
     @Override
-    public PropertyDefinition readArtifact(String toscaArtifact) throws ArtifactProcessorException{
+    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);
+        ServiceTemplate serviceTemplate =
+                new YamlUtil().yamlToObject(toscaArtifact, ServiceTemplate.class);
 
-        //mapping parameters
+        // mapping parameters
         Map<String, NodeType> nodeTypeMap = serviceTemplate.getNode_types();
-        Map<String, NodeTemplate> nodeTemplateMap = serviceTemplate.getTopology_template().getNode_templates();
+        Map<String, NodeTemplate> nodeTemplateMap =
+                serviceTemplate.getTopology_template().getNode_templates();
 
         String nodeTemplateName = nodeTemplateMap.keySet().toArray(new String[0])[0];
         NodeTemplate nodeTemplate = nodeTemplateMap.get(nodeTemplateName);
@@ -133,16 +136,18 @@ public class ArtifactProcessorImpl implements ArtifactProcessor
         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);
+        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){
+        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);
+                org.openecomp.sdc.tosca.datatypes.model.PropertyDefinition propertyDefinition =
+                        propertyDefinitionFromTOSCA.get(propertyName);
 
                 Parameter parameter = new Parameter();
                 parameter.setName(propertyName);
@@ -163,10 +168,16 @@ public class ArtifactProcessorImpl implements ArtifactProcessor
 
                 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());
+                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);
@@ -185,7 +196,8 @@ public class ArtifactProcessorImpl implements ArtifactProcessor
         return propertyDefinitionObj;
     }
 
-    private List<ResponseKey> readResponseKeys(String responseExpression) throws ArtifactProcessorException {
+    private List<ResponseKey> readResponseKeys(String responseExpression)
+            throws ArtifactProcessorException {
         Log.info("Entered into readResponseKeys.");
         List<ResponseKey> responseKeyList = null;
         String expression;
@@ -197,12 +209,23 @@ public class ArtifactProcessorImpl implements ArtifactProcessor
             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());
+                    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);
+                    Log.error(
+                            "Invalid response attribute found :" + responseKeyStr + "due to " + e);
+                    throw new ArtifactProcessorException(
+                            "Invalid response attribute found :" + responseKeyStr);
                 }
                 responseKeyList.add(responseKey);
             }
@@ -215,14 +238,19 @@ public class ArtifactProcessorImpl implements ArtifactProcessor
         Log.info("Entered into readRequestKeys.");
         List<RequestKey> requestKeyList = null;
         String expression;
-        expression = requestExpression.replaceAll("<","").replaceAll(">","").trim();
-        if(StringUtils.isNotEmpty(expression)){
+        expression = requestExpression.replaceAll("<", "").replaceAll(">", "").trim();
+        if (StringUtils.isNotEmpty(expression)) {
             requestKeyList = new ArrayList<>();
             String[] requestKeys = expression.split(",");
-            for(String responseKeyStr :requestKeys){
+            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());
+                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);
             }
         }
@@ -230,105 +258,110 @@ public class ArtifactProcessorImpl implements ArtifactProcessor
         return requestKeyList;
     }
 
-    private String[] parsePropertyValueExpression(String propertValueExpr) throws ArtifactProcessorException{
+    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()){
+        while (matcher.find()) {
             stringTokens.add(matcher.group(0));
         }
         String[] propertiesArr = new String[stringTokens.size()];
         propertiesArr = stringTokens.toArray(propertiesArr);
-        if(propertiesArr.length!=4){
+        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
+    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<>();
+        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
+            // 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);
+        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+.*")) {
+    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();
+            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.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";
+        } 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)
-    {
+    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) {
+        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);
+        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");
+    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);
+        templateProperties.put(pdParameter.getName(), properties);
     }
 
-    protected String buildResponseKeyExpression(List<ResponseKey> responseKeys)
-    {
+    protected String buildResponseKeyExpression(List<ResponseKey> responseKeys) {
         StringBuilder propertyBuilder = new StringBuilder();
         propertyBuilder.append("<response-keys = ");
-        if(responseKeys!=null) {
+        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 (res != null)
+                    propertyBuilder.append(
+                            encode(res.getUniqueKeyName()) + ":" + encode(res.getUniqueKeyValue())
+                                    + ":" + encode(res.getFieldKeyName()));
                 if (itr.hasNext())
                     propertyBuilder.append(" , ");
             }
@@ -337,16 +370,16 @@ public class ArtifactProcessorImpl implements ArtifactProcessor
         return propertyBuilder.toString();
     }
 
-    protected String buildRequestKeyExpression(List<RequestKey> requestKeys)
-    {
+    protected String buildRequestKeyExpression(List<RequestKey> requestKeys) {
         StringBuilder propertyBuilder = new StringBuilder();
         propertyBuilder.append("<request-keys = ");
-        if(requestKeys!=null) {
+        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 (res != null)
+                    propertyBuilder
+                            .append(encode(res.getKeyName()) + ":" + encode(res.getKeyValue()));
                 if (itr.hasNext())
                     propertyBuilder.append(" , ");
             }
@@ -355,46 +388,41 @@ public class ArtifactProcessorImpl implements ArtifactProcessor
         return propertyBuilder.toString();
     }
 
-    protected String buildRuleType(String classType)
-    {
+    protected String buildRuleType(String classType) {
         StringBuilder propertyBuilder = new StringBuilder();
-        String encodedClassType = StringUtils.isBlank(encode(classType))?"":encode(classType);
+        String encodedClassType = StringUtils.isBlank(encode(classType)) ? "" : encode(classType);
         propertyBuilder.append("<");
-        propertyBuilder.append("rule-type = "+encodedClassType);
+        propertyBuilder.append("rule-type = " + encodedClassType);
         propertyBuilder.append(">");
         return propertyBuilder.toString();
     }
 
-    protected String buildSourceSystem(String source)
-    {
+    protected String buildSourceSystem(String source) {
         StringBuilder sourceBuilder = new StringBuilder();
         sourceBuilder.append("<source-system = ");
-        sourceBuilder.append(StringUtils.isBlank(encode(source))?"":encode(source));
+        sourceBuilder.append(StringUtils.isBlank(encode(source)) ? "" : encode(source));
         sourceBuilder.append(">");
         return sourceBuilder.toString();
     }
 
-    protected String encode(String string)
-    {
+    protected String encode(String string) {
         String encodedString = null;
-        if(string!=null) {
-            encodedString = string.trim().replaceAll("<", "&lt;").replaceAll(">", "&gt;").replaceAll(":","&colon;").replaceAll(",","&comma;").replaceAll("=","&equals;");
+        if (string != null) {
+            encodedString = string.trim().replaceAll("<", "&lt;").replaceAll(">", "&gt;")
+                    .replaceAll(":", "&colon;").replaceAll(",", "&comma;")
+                    .replaceAll("=", "&equals;");
         }
         return encodedString;
     }
 
-    private void logArtifact(PropertyDefinition artifact)
-    {
+    private void logArtifact(PropertyDefinition artifact) {
         ObjectMapper mapper = new ObjectMapper(new YAMLFactory());
-        String stringArtifact=null;
-        try
-        {
+        String stringArtifact = null;
+        try {
             stringArtifact = mapper.writeValueAsString(artifact);
             Log.info("Received PropertyDefinition:\n" + stringArtifact);
-        }
-        catch (JsonProcessingException e)
-        {
-            Log.error("Exception while logging artifact:",e);
+        } catch (JsonProcessingException e) {
+            Log.error("Exception while logging artifact:", e);
         }
 
     }