Remove checkstyle warnings in policy/engine

Remove checkstyle warnings in policy/engine ONAP-PDP

Change-Id: Ibbe2d8c549c1f0c3ac8456c4d2de4c7d349dd171
Issue-ID: POLICY-713
Signed-off-by: eramkve <ram.krishna.verma@ericsson.com>

8 files changed, 606 insertions, 583 deletions

diff --git a/ONAP-PDP/src/main/java/org/onap/policy/xacml/action/FindAction.java b/ONAP-PDP/src/main/java/org/onap/policy/xacml/action/FindAction.java
index 5fde0adf3..c256626e6 100644
--- a/ONAP-PDP/src/main/java/org/onap/policy/xacml/action/FindAction.java
+++ b/ONAP-PDP/src/main/java/org/onap/policy/xacml/action/FindAction.java
@@ -2,14 +2,14 @@
  * ============LICENSE_START=======================================================
  * ONAP-PDP
  * ================================================================================
- * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2017-2018 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.
@@ -17,8 +17,27 @@
  * limitations under the License.
  * ============LICENSE_END=========================================================
  */
+
 package org.onap.policy.xacml.action;
 
+import com.att.research.xacml.api.Advice;
+import com.att.research.xacml.api.Attribute;
+import com.att.research.xacml.api.AttributeAssignment;
+import com.att.research.xacml.api.AttributeValue;
+import com.att.research.xacml.api.Identifier;
+import com.att.research.xacml.api.Obligation;
+import com.att.research.xacml.api.Request;
+import com.att.research.xacml.api.RequestAttributes;
+import com.att.research.xacml.api.Result;
+import com.att.research.xacml.std.IdentifierImpl;
+import com.att.research.xacml.std.StdAdvice;
+import com.att.research.xacml.std.StdAttributeAssignment;
+import com.att.research.xacml.std.StdAttributeValue;
+import com.att.research.xacml.std.StdMutableResponse;
+import com.att.research.xacml.std.StdMutableResult;
+import com.att.research.xacml.std.StdObligation;
+import com.att.research.xacml.util.XACMLProperties;
+
 import java.io.BufferedReader;
 import java.io.InputStreamReader;
 import java.net.URL;
@@ -43,329 +62,313 @@ import org.onap.policy.common.logging.flexlogger.FlexLogger;
 import org.onap.policy.common.logging.flexlogger.Logger;
 import org.onap.policy.rest.XACMLRestProperties;
 
-import com.att.research.xacml.api.Advice;
-import com.att.research.xacml.api.Attribute;
-import com.att.research.xacml.api.AttributeAssignment;
-import com.att.research.xacml.api.AttributeValue;
-import com.att.research.xacml.api.Identifier;
-import com.att.research.xacml.api.Obligation;
-import com.att.research.xacml.api.Request;
-import com.att.research.xacml.api.RequestAttributes;
-import com.att.research.xacml.api.Result;
-import com.att.research.xacml.std.IdentifierImpl;
-import com.att.research.xacml.std.StdAdvice;
-import com.att.research.xacml.std.StdAttributeAssignment;
-import com.att.research.xacml.std.StdAttributeValue;
-import com.att.research.xacml.std.StdMutableResponse;
-import com.att.research.xacml.std.StdMutableResult;
-import com.att.research.xacml.std.StdObligation;
-import com.att.research.xacml.util.XACMLProperties;
-
 @SuppressWarnings("deprecation")
 public class FindAction {
-	private Logger LOGGER = FlexLogger.getLogger(this.getClass());
-	private Boolean changeIt = false;
-	private String configURL = null;
-	private StdMutableResponse newResponse = new StdMutableResponse();
-	private StdMutableResult addResult = new StdMutableResult();
+    private Logger logger = FlexLogger.getLogger(this.getClass());
+    private Boolean changeIt = false;
+    private String configUrl = null;
+    private StdMutableResponse newResponse = new StdMutableResponse();
+    private StdMutableResult addResult = new StdMutableResult();
 
-	public StdMutableResponse run(StdMutableResponse stdResponse, Request pepRequest) {
-		int count = 0;
-		boolean config = false;
-		boolean decide = false; 
-		Collection<RequestAttributes> requestAttributes =  pepRequest.getRequestAttributes();
-		for(RequestAttributes requestAttribute : requestAttributes){
-			Collection<Attribute> attributes = requestAttribute.getAttributes();
-			for(Attribute attribute : attributes){
-				if(attribute.getAttributeId().stringValue().equals("urn:oasis:names:tc:xacml:1.0:action:action-id")){
-					for(AttributeValue<?> attributeValue : attribute.getValues()){
-						if(attributeValue.getValue().toString().equalsIgnoreCase("ACCESS")){
-							count++;
-						}
-						if(attributeValue.getValue().toString().equalsIgnoreCase("DECIDE")){
-							decide = true;
-						}
-					}
-				}
-				if(attribute.getAttributeId().stringValue().equals("urn:oasis:names:tc:xacml:1.0:resource:resource-id")){
-					for(AttributeValue<?> attributeValue : attribute.getValues()){
-						if(attributeValue.getValue().toString().equalsIgnoreCase("Config")){
-							count++;
-						}
-					}
-				}
-			}
-		}
-		if(count==2){
-			config = true;
-		}
-		if(!config){
-			search(stdResponse);
-		}
-		addResults(stdResponse, config , decide);
-		LOGGER.info("Original Result is " + stdResponse.toString());
-		LOGGER.info("Generated Result is " + addResult.toString());
-		return newResponse;
-	}
+    /**
+     * Generate {@link StdMutableResponse} based on input request.
+     *
+     * @param stdResponse the response
+     * @param pepRequest the request
+     * @return {@link StdMutableResponse}
+     */
+    public StdMutableResponse run(final StdMutableResponse stdResponse, final Request pepRequest) {
+        int count = 0;
+        boolean config = false;
+        boolean decide = false;
+        final Collection<RequestAttributes> requestAttributes = pepRequest.getRequestAttributes();
+        for (final RequestAttributes requestAttribute : requestAttributes) {
+            final Collection<Attribute> attributes = requestAttribute.getAttributes();
+            for (final Attribute attribute : attributes) {
+                if (attribute.getAttributeId().stringValue().equals("urn:oasis:names:tc:xacml:1.0:action:action-id")) {
+                    for (final AttributeValue<?> attributeValue : attribute.getValues()) {
+                        if (attributeValue.getValue().toString().equalsIgnoreCase("ACCESS")) {
+                            count++;
+                        }
+                        if (attributeValue.getValue().toString().equalsIgnoreCase("DECIDE")) {
+                            decide = true;
+                        }
+                    }
+                }
+                if (attribute.getAttributeId().stringValue()
+                        .equals("urn:oasis:names:tc:xacml:1.0:resource:resource-id")) {
+                    for (final AttributeValue<?> attributeValue : attribute.getValues()) {
+                        if (attributeValue.getValue().toString().equalsIgnoreCase("Config")) {
+                            count++;
+                        }
+                    }
+                }
+            }
+        }
+        if (count == 2) {
+            config = true;
+        }
+        if (!config) {
+            search(stdResponse);
+        }
+        addResults(stdResponse, config, decide);
+        logger.info("Original Result is " + stdResponse.toString());
+        logger.info("Generated Result is " + addResult.toString());
+        return newResponse;
+    }
 
-	private Collection<Obligation> obligations = new ArrayList<>();
-	private Map<String, String> matchValues = new HashMap<>();
-	private Map<String, String> headers = new HashMap<>();
-	private boolean header = false;
+    private Collection<Obligation> obligations = new ArrayList<>();
+    private Map<String, String> matchValues = new HashMap<>();
+    private Map<String, String> headers = new HashMap<>();
+    private boolean header = false;
 
-	private void search(StdMutableResponse stdResponse) {
-		for (Result result : stdResponse.getResults()) {
-			if (!result.getObligations().isEmpty()) {
-				System.out.println("Obligation Received");
-				// Is there any action that PDP needs to take
-				for (Obligation obligation : result.getObligations()) {
-					int count = 0, uri = 0, PEP = 0;
-					header = false;
-					changeIt = false;
-					Collection<AttributeAssignment> afterRemoveAssignments = new ArrayList<>();
-					Identifier oblId = new IdentifierImpl(obligation.getId().stringValue());
-					StdAttributeAssignment attributeURI = null;
-					for (AttributeAssignment attribute : obligation.getAttributeAssignments()) {
-						matchValues.put(attribute.getAttributeId().stringValue(), attribute.getAttributeValue().getValue().toString());
-						if (attribute.getAttributeId().stringValue().equalsIgnoreCase("performer")) {
-							if (attribute.getAttributeValue().getValue().toString().equalsIgnoreCase("PEPACTION")) {
-								PEP++;
-							} else if (attribute.getAttributeValue().getValue().toString().equalsIgnoreCase("PDPACTION")) {
-								count++;
-							}
-						} else if (attribute.getAttributeId().stringValue().equalsIgnoreCase("URL")) {
-							uri++;
-							if (uri == 1) {
-								configURL = attribute.getAttributeValue().getValue().toString();
-								attributeURI = new StdAttributeAssignment(attribute);
-							}
-						} else if (attribute.getAttributeId().stringValue().startsWith("headers")) {
-							LOGGER.info("Headers are : "+ attribute.getAttributeValue().getValue().toString());
-							header = true;
-							headers.put(attribute.getAttributeId().stringValue().replaceFirst("(headers).", ""),
-									attribute.getAttributeValue().getValue().toString());
-							afterRemoveAssignments.add(attribute);
-						} else if (attribute.getAttributeId().stringValue().equalsIgnoreCase("body")) { 
-							String papPath = XACMLProperties.getProperty(XACMLRestProperties.PROP_PAP_URL);
-							papPath= papPath.replace("/pap", "");
-							matchValues.put("body",attribute.getAttributeValue().getValue().toString().replace("$URL", papPath));
-						}else {
-							StdAttributeAssignment attributeObligation = new StdAttributeAssignment(attribute);
-							afterRemoveAssignments.add(attributeObligation);
-						}
-					}
-					if (count == 1 && uri == 1 && PEP == 0) {
-						// Remove Obligation and add Advice
-						changeIt = true;
-						takeAction(stdResponse, oblId, afterRemoveAssignments);
-					} else if (PEP == 1 && count == 0) {
-						// Strip the PEPACTION if available
-						if (uri == 1) {
-							afterRemoveAssignments.add(attributeURI);
-						}
-						Obligation afterRemoveObligation = new StdObligation(
-								oblId, afterRemoveAssignments);
-						obligations.add(afterRemoveObligation);
-					} else {
-						obligations.add(obligation);
-					}
-				}
-			}
-		}
-	}
+    private void search(final StdMutableResponse stdResponse) {
+        for (final Result result : stdResponse.getResults()) {
+            if (!result.getObligations().isEmpty()) {
+                System.out.println("Obligation Received");
+                // Is there any action that PDP needs to take
+                for (final Obligation obligation : result.getObligations()) {
+                    int count = 0;
+                    int uri = 0;
+                    int pep = 0;
+                    header = false;
+                    changeIt = false;
+                    final Collection<AttributeAssignment> afterRemoveAssignments = new ArrayList<>();
+                    final Identifier oblId = new IdentifierImpl(obligation.getId().stringValue());
+                    StdAttributeAssignment attributeUri = null;
+                    for (final AttributeAssignment attribute : obligation.getAttributeAssignments()) {
+                        matchValues.put(attribute.getAttributeId().stringValue(),
+                                attribute.getAttributeValue().getValue().toString());
+                        if (attribute.getAttributeId().stringValue().equalsIgnoreCase("performer")) {
+                            if (attribute.getAttributeValue().getValue().toString().equalsIgnoreCase("PEPACTION")) {
+                                pep++;
+                            } else if (attribute.getAttributeValue().getValue().toString()
+                                    .equalsIgnoreCase("PDPACTION")) {
+                                count++;
+                            }
+                        } else if (attribute.getAttributeId().stringValue().equalsIgnoreCase("URL")) {
+                            uri++;
+                            if (uri == 1) {
+                                configUrl = attribute.getAttributeValue().getValue().toString();
+                                attributeUri = new StdAttributeAssignment(attribute);
+                            }
+                        } else if (attribute.getAttributeId().stringValue().startsWith("headers")) {
+                            logger.info("Headers are : " + attribute.getAttributeValue().getValue().toString());
+                            header = true;
+                            headers.put(attribute.getAttributeId().stringValue().replaceFirst("(headers).", ""),
+                                    attribute.getAttributeValue().getValue().toString());
+                            afterRemoveAssignments.add(attribute);
+                        } else if (attribute.getAttributeId().stringValue().equalsIgnoreCase("body")) {
+                            String papPath = XACMLProperties.getProperty(XACMLRestProperties.PROP_PAP_URL);
+                            papPath = papPath.replace("/pap", "");
+                            matchValues.put("body",
+                                    attribute.getAttributeValue().getValue().toString().replace("$URL", papPath));
+                        } else {
+                            final StdAttributeAssignment attributeObligation = new StdAttributeAssignment(attribute);
+                            afterRemoveAssignments.add(attributeObligation);
+                        }
+                    }
+                    if (count == 1 && uri == 1 && pep == 0) {
+                        // Remove Obligation and add Advice
+                        changeIt = true;
+                        takeAction(stdResponse, oblId, afterRemoveAssignments);
+                    } else if (pep == 1 && count == 0) {
+                        // Strip the PEPACTION if available
+                        if (uri == 1) {
+                            afterRemoveAssignments.add(attributeUri);
+                        }
+                        final Obligation afterRemoveObligation = new StdObligation(oblId, afterRemoveAssignments);
+                        obligations.add(afterRemoveObligation);
+                    } else {
+                        obligations.add(obligation);
+                    }
+                }
+            }
+        }
+    }
 
-	private void takeAction(StdMutableResponse stdResponse, Identifier advId,
-			Collection<AttributeAssignment> afterRemoveAssignments) {
-		if (changeIt) {
-			LOGGER.info("the URL is :" + configURL);
-			// Calling Rest URL..
-			callRest();
-			// Including the Results in an Advice
-			Identifier id = new IdentifierImpl(
-					"org.onap.policy:pdp:reply");
-			Identifier statId = new IdentifierImpl(
-					"org:onap:onap:policy:pdp:reply:status");
-			Identifier statCategory = new IdentifierImpl(
-					"urn:oasis:names:tc:xacml:1.0:subject-category:recipient-subject");
-			Identifier strId = new IdentifierImpl(
-					"http://www.w3.org/2001/XMLSchema#string");
-			Identifier resId = new IdentifierImpl(
-					"org:onap:onap:policy:pdp:reply:resource");
-			Identifier resCategory = new IdentifierImpl(
-					"urn:oasis:names:tc:xacml:3.0:attribute-category:resource");
-			Identifier urlId = new IdentifierImpl(
-					"http://www.w3.org/2001/XMLSchema#anyURI");
-			AttributeValue<String> attributeStatusValue = new StdAttributeValue<>(
-					strId, status + response);
-			AttributeValue<String> attributeResourceValue = new StdAttributeValue<>(
-					urlId, configURL);
-			StdAttributeAssignment attributeStatus = new StdAttributeAssignment(
-					statCategory, statId, "PDP", attributeStatusValue);
-			StdAttributeAssignment attributeResouce = new StdAttributeAssignment(
-					resCategory, resId, "PDP", attributeResourceValue);
-			afterRemoveAssignments.add(attributeStatus);
-			afterRemoveAssignments.add(attributeResouce);
-			Advice advice = new StdAdvice(id, afterRemoveAssignments);
-			addResult.addAdvice(advice);
-		}
-	}
+    private void takeAction(final StdMutableResponse stdResponse, final Identifier advId,
+            final Collection<AttributeAssignment> afterRemoveAssignments) {
+        if (changeIt) {
+            logger.info("the URL is :" + configUrl);
+            // Calling Rest URL..
+            callRest();
+            // Including the Results in an Advice
+            final Identifier id = new IdentifierImpl("org.onap.policy:pdp:reply");
+            final Identifier statId = new IdentifierImpl("org:onap:onap:policy:pdp:reply:status");
+            final Identifier statCategory =
+                    new IdentifierImpl("urn:oasis:names:tc:xacml:1.0:subject-category:recipient-subject");
+            final Identifier strId = new IdentifierImpl("http://www.w3.org/2001/XMLSchema#string");
+            final Identifier resId = new IdentifierImpl("org:onap:onap:policy:pdp:reply:resource");
+            final Identifier resCategory =
+                    new IdentifierImpl("urn:oasis:names:tc:xacml:3.0:attribute-category:resource");
+            final Identifier urlId = new IdentifierImpl("http://www.w3.org/2001/XMLSchema#anyURI");
+            final AttributeValue<String> attributeStatusValue = new StdAttributeValue<>(strId, status + response);
+            final AttributeValue<String> attributeResourceValue = new StdAttributeValue<>(urlId, configUrl);
+            final StdAttributeAssignment attributeStatus =
+                    new StdAttributeAssignment(statCategory, statId, "PDP", attributeStatusValue);
+            final StdAttributeAssignment attributeResouce =
+                    new StdAttributeAssignment(resCategory, resId, "PDP", attributeResourceValue);
+            afterRemoveAssignments.add(attributeStatus);
+            afterRemoveAssignments.add(attributeResouce);
+            final Advice advice = new StdAdvice(id, afterRemoveAssignments);
+            addResult.addAdvice(advice);
+        }
+    }
 
-	private void addResults(StdMutableResponse stdResponse, boolean config, boolean decide) {
-		if(decide){
-			newResponse = stdResponse;
-			return;
-		}
-		for (Result result : stdResponse.getResults()) {
-			if(config){
-				addResult.addAdvice(result.getAssociatedAdvice());
-			}
-			addResult.addAttributeCategories(result.getAttributes());
-			addResult.addPolicyIdentifiers(result.getPolicyIdentifiers());
-			addResult.addPolicySetIdentifiers(result.getPolicySetIdentifiers());
-			addResult.setStatus(result.getStatus());
-			addResult.setDecision(result.getDecision());
-			if(!config){
-				addResult.addObligations(obligations);
-			}
-		}
-		newResponse.add(addResult);
-	}
+    private void addResults(final StdMutableResponse stdResponse, final boolean config, final boolean decide) {
+        if (decide) {
+            newResponse = stdResponse;
+            return;
+        }
+        for (final Result result : stdResponse.getResults()) {
+            if (config) {
+                addResult.addAdvice(result.getAssociatedAdvice());
+            }
+            addResult.addAttributeCategories(result.getAttributes());
+            addResult.addPolicyIdentifiers(result.getPolicyIdentifiers());
+            addResult.addPolicySetIdentifiers(result.getPolicySetIdentifiers());
+            addResult.setStatus(result.getStatus());
+            addResult.setDecision(result.getDecision());
+            if (!config) {
+                addResult.addObligations(obligations);
+            }
+        }
+        newResponse.add(addResult);
+    }
 
-	private int status;
-	private String response;
-	private DefaultHttpClient httpClient;
+    private int status;
+    private String response;
+    private DefaultHttpClient httpClient;
 
-	private void callRest() {
-		// Finding the Macros in the URL..
-		Pattern pattern = Pattern.compile("\\$([a-zA-Z0-9.:]*)");
-		Matcher match = pattern.matcher(configURL);
-		StringBuffer sb = new StringBuffer();
-		JsonReader jsonReader = null;
-		while (match.find()) {
-			LOGGER.info("Found Macro : " + match.group(1));
-			String replaceValue = matchValues.get(match.group(1));
-			LOGGER.info("Replacing with :" + replaceValue);
-			match.appendReplacement(sb, replaceValue);
-		}
-		match.appendTail(sb);
-		LOGGER.info("URL is : " + sb.toString());
-		configURL = sb.toString();
-		// Calling the Requested service. 
-		if (matchValues.get("method").equalsIgnoreCase("GET")) {
-			httpClient = new DefaultHttpClient();
-			try {
-				HttpGet getRequest = new HttpGet(configURL);
-				// Adding Headers here
-				if (header) {
-					for (String key : headers.keySet()) {
-						getRequest.addHeader(key, headers.get(key));
-					}
-				}
-				HttpResponse result = httpClient.execute(getRequest);
-				status = result.getStatusLine().getStatusCode();
-				BufferedReader br = new BufferedReader(new InputStreamReader(
-						(result.getEntity().getContent())));
-				String output = " ";
-				String out;
-				while ((out = br.readLine()) != null) {
-					output = output + out;
-				}
-				response = output;
-			} catch (Exception e) {
-				LOGGER.error(e.getMessage()+e);
-				response = e.getMessage();
-			} finally {
-				httpClient.getConnectionManager().shutdown();
-			}
-		} else if(matchValues.get("method").equalsIgnoreCase("POST")) {
-			httpClient = new DefaultHttpClient();
-			try {
-				HttpPost postRequest = new HttpPost(configURL);
-				// Adding Headers here
-				if (header) {
-					for (String key : headers.keySet()) {
-						postRequest.addHeader(key, headers.get(key));
-					}
-				}
-				// Adding the Body. 
-				URL configURL = new URL(matchValues.get("body"));
-				URLConnection connection = null;
-				connection = configURL.openConnection();
-				// InputStream in = connection.getInputStrem();
-				// LOGGER.info("The Body Content is : " + IOUtils.toString(in));
-				jsonReader = Json.createReader(connection.getInputStream());
-				StringEntity input = new StringEntity(jsonReader.readObject().toString());
-				input.setContentType("application/json");
-				postRequest.setEntity(input);
-				// Executing the Request. 
-				HttpResponse result = httpClient.execute(postRequest);
-				LOGGER.info("Result Headers are : " + result.getAllHeaders());
-				status = result.getStatusLine().getStatusCode();
-				BufferedReader br = new BufferedReader(new InputStreamReader(
-						(result.getEntity().getContent())));
-				String output = " ";
-				String out;
-				while ((out = br.readLine()) != null) {
-					output = output + out;
-				}
-				response = output;
-			}catch (Exception e) {
-				LOGGER.error(e.getMessage() +e);
-				response = e.getMessage();
-			} finally {
-			        if(jsonReader != null) {
-			            try {
-			                jsonReader.close();
-			            } catch (Exception e) {
-			                LOGGER.error("Exception Occured while closing the JsonReader"+e);
-			            }
-			        }
-				httpClient.getConnectionManager().shutdown();
-			}
-		} else if(matchValues.get("method").equalsIgnoreCase("PUT")) {
-			httpClient = new DefaultHttpClient();
-			try {
-				HttpPut putRequest = new HttpPut(configURL);
-				// Adding Headers here
-				if (header) {
-					for (String key : headers.keySet()) {
-						putRequest.addHeader(key, headers.get(key));
-					}
-				}
-				// Adding the Body. 
-				URL configURL = new URL(matchValues.get("body"));
-				URLConnection connection = null;
-				connection = configURL.openConnection();
-				//InputStream in = connection.getInputStream();
-				//LOGGER.info("The Body Content is : " + IOUtils.toString(in));
-				jsonReader = Json.createReader(connection.getInputStream());
-				StringEntity input = new StringEntity(jsonReader.readObject().toString());
-				input.setContentType("application/json");
-				putRequest.setEntity(input);
-				// Executing the Request. 
-				HttpResponse result = httpClient.execute(putRequest);
-				status = result.getStatusLine().getStatusCode();
-				BufferedReader br = new BufferedReader(new InputStreamReader(
-						(result.getEntity().getContent())));
-				String output = " ";
-				String out;
-				while ((out = br.readLine()) != null) {
-					output = output + out;
-				}
-				response = output;
-			} catch (Exception e) {
-				LOGGER.error(e.getMessage() +e);
-				response = e.getMessage();
-			}finally {
-			        if(jsonReader != null) {
-			            try {
-			                jsonReader.close();
-			            } catch (Exception e) {
-			                LOGGER.error("Exception Occured while closing the JsonReader"+e);
-			            }
-			        }
-				httpClient.getConnectionManager().shutdown();
-			}
-		}
-	}
-}
\ No newline at end of file
+    private void callRest() {
+        // Finding the Macros in the URL..
+        final Pattern pattern = Pattern.compile("\\$([a-zA-Z0-9.:]*)");
+        final Matcher match = pattern.matcher(configUrl);
+        final StringBuffer sb = new StringBuffer();
+        JsonReader jsonReader = null;
+        while (match.find()) {
+            logger.info("Found Macro : " + match.group(1));
+            final String replaceValue = matchValues.get(match.group(1));
+            logger.info("Replacing with :" + replaceValue);
+            match.appendReplacement(sb, replaceValue);
+        }
+        match.appendTail(sb);
+        logger.info("URL is : " + sb.toString());
+        configUrl = sb.toString();
+        // Calling the Requested service.
+        if (matchValues.get("method").equalsIgnoreCase("GET")) {
+            httpClient = new DefaultHttpClient();
+            try {
+                final HttpGet getRequest = new HttpGet(configUrl);
+                // Adding Headers here
+                if (header) {
+                    for (final String key : headers.keySet()) {
+                        getRequest.addHeader(key, headers.get(key));
+                    }
+                }
+                final HttpResponse result = httpClient.execute(getRequest);
+                status = result.getStatusLine().getStatusCode();
+                final BufferedReader br = new BufferedReader(new InputStreamReader((result.getEntity().getContent())));
+                String output = " ";
+                String out;
+                while ((out = br.readLine()) != null) {
+                    output = output + out;
+                }
+                response = output;
+            } catch (final Exception e) {
+                logger.error(e.getMessage() + e);
+                response = e.getMessage();
+            } finally {
+                httpClient.getConnectionManager().shutdown();
+            }
+        } else if (matchValues.get("method").equalsIgnoreCase("POST")) {
+            httpClient = new DefaultHttpClient();
+            try {
+                final HttpPost postRequest = new HttpPost(configUrl);
+                // Adding Headers here
+                if (header) {
+                    for (final String key : headers.keySet()) {
+                        postRequest.addHeader(key, headers.get(key));
+                    }
+                }
+                // Adding the Body.
+                final URL configUrl = new URL(matchValues.get("body"));
+                URLConnection connection = null;
+                connection = configUrl.openConnection();
+                // InputStream in = connection.getInputStrem();
+                // LOGGER.info("The Body Content is : " + IOUtils.toString(in));
+                jsonReader = Json.createReader(connection.getInputStream());
+                final StringEntity input = new StringEntity(jsonReader.readObject().toString());
+                input.setContentType("application/json");
+                postRequest.setEntity(input);
+                // Executing the Request.
+                final HttpResponse result = httpClient.execute(postRequest);
+                logger.info("Result Headers are : " + result.getAllHeaders());
+                status = result.getStatusLine().getStatusCode();
+                final BufferedReader br = new BufferedReader(new InputStreamReader((result.getEntity().getContent())));
+                String output = " ";
+                String out;
+                while ((out = br.readLine()) != null) {
+                    output = output + out;
+                }
+                response = output;
+            } catch (final Exception e) {
+                logger.error(e.getMessage() + e);
+                response = e.getMessage();
+            } finally {
+                if (jsonReader != null) {
+                    try {
+                        jsonReader.close();
+                    } catch (final Exception e) {
+                        logger.error("Exception Occured while closing the JsonReader" + e);
+                    }
+                }
+                httpClient.getConnectionManager().shutdown();
+            }
+        } else if (matchValues.get("method").equalsIgnoreCase("PUT")) {
+            httpClient = new DefaultHttpClient();
+            try {
+                final HttpPut putRequest = new HttpPut(configUrl);
+                // Adding Headers here
+                if (header) {
+                    for (final String key : headers.keySet()) {
+                        putRequest.addHeader(key, headers.get(key));
+                    }
+                }
+                // Adding the Body.
+                final URL configUrl = new URL(matchValues.get("body"));
+                URLConnection connection = null;
+                connection = configUrl.openConnection();
+                // InputStream in = connection.getInputStream();
+                // LOGGER.info("The Body Content is : " + IOUtils.toString(in));
+                jsonReader = Json.createReader(connection.getInputStream());
+                final StringEntity input = new StringEntity(jsonReader.readObject().toString());
+                input.setContentType("application/json");
+                putRequest.setEntity(input);
+                // Executing the Request.
+                final HttpResponse result = httpClient.execute(putRequest);
+                status = result.getStatusLine().getStatusCode();
+                final BufferedReader br = new BufferedReader(new InputStreamReader((result.getEntity().getContent())));
+                String output = " ";
+                String out;
+                while ((out = br.readLine()) != null) {
+                    output = output + out;
+                }
+                response = output;
+            } catch (final Exception e) {
+                logger.error(e.getMessage() + e);
+                response = e.getMessage();
+            } finally {
+                if (jsonReader != null) {
+                    try {
+                        jsonReader.close();
+                    } catch (final Exception e) {
+                        logger.error("Exception Occured while closing the JsonReader" + e);
+                    }
+                }
+                httpClient.getConnectionManager().shutdown();
+            }
+        }
+    }
+}
diff --git a/ONAP-PDP/src/main/java/org/onap/policy/xacml/action/package-info.java b/ONAP-PDP/src/main/java/org/onap/policy/xacml/action/package-info.java
index 82c6182b9..b4fd05075 100644
--- a/ONAP-PDP/src/main/java/org/onap/policy/xacml/action/package-info.java
+++ b/ONAP-PDP/src/main/java/org/onap/policy/xacml/action/package-info.java
@@ -2,14 +2,14 @@
  * ============LICENSE_START=======================================================
  * ONAP-PDP
  * ================================================================================
- * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2017-2018 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.
@@ -21,10 +21,9 @@
 package org.onap.policy.xacml.action;
 
 /**
- * org.onap.policy.xacml.action contains the implementation of the PDP Actions.
- * Changes: 
- * 	Now PDP supports actions based on PUT, GET, POST methods 
- * 
- * @version 0.2 
- * 
+ * org.onap.policy.xacml.action contains the implementation of the PDP Actions. Changes: Now PDP supports actions based
+ * on PUT, GET, POST methods
+ *
+ * @version 0.2
+ *
  */
diff --git a/ONAP-PDP/src/main/java/org/onap/policy/xacml/custom/OnapFunctionDefinitionFactory.java b/ONAP-PDP/src/main/java/org/onap/policy/xacml/custom/OnapFunctionDefinitionFactory.java
index ea4e90eda..35080d396 100644
--- a/ONAP-PDP/src/main/java/org/onap/policy/xacml/custom/OnapFunctionDefinitionFactory.java
+++ b/ONAP-PDP/src/main/java/org/onap/policy/xacml/custom/OnapFunctionDefinitionFactory.java
@@ -2,14 +2,14 @@
  * ============LICENSE_START=======================================================
  * ONAP-PDP
  * ================================================================================
- * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2017-2018 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.
@@ -17,8 +17,16 @@
  * limitations under the License.
  * ============LICENSE_END=========================================================
  */
+
 package org.onap.policy.xacml.custom;
 
+import com.att.research.xacml.api.Identifier;
+import com.att.research.xacml.std.IdentifierImpl;
+import com.att.research.xacml.std.datatypes.DataTypes;
+import com.att.research.xacmlatt.pdp.policy.FunctionDefinition;
+import com.att.research.xacmlatt.pdp.policy.FunctionDefinitionFactory;
+import com.att.research.xacmlatt.pdp.std.StdFunctions;
+
 import java.lang.reflect.Field;
 import java.lang.reflect.Modifier;
 import java.util.HashMap;
@@ -28,60 +36,53 @@ import org.onap.policy.common.logging.flexlogger.FlexLogger;
 import org.onap.policy.common.logging.flexlogger.Logger;
 import org.onap.policy.xacml.pdp.std.functions.FunctionDefinitionCustomRegexpMatch;
 
-import com.att.research.xacml.api.Identifier;
-import com.att.research.xacml.std.IdentifierImpl;
-import com.att.research.xacml.std.datatypes.DataTypes;
-import com.att.research.xacmlatt.pdp.policy.FunctionDefinition;
-import com.att.research.xacmlatt.pdp.policy.FunctionDefinitionFactory;
-import com.att.research.xacmlatt.pdp.std.StdFunctions;
-
 public class OnapFunctionDefinitionFactory extends FunctionDefinitionFactory {
-	private static Logger logger = FlexLogger.getLogger(OnapFunctionDefinitionFactory.class);
-	private static Map<Identifier,FunctionDefinition> 	mapFunctionDefinitions	= new HashMap<>();
-	private static boolean								needMapInit				= true;
+    private static Logger logger = FlexLogger.getLogger(OnapFunctionDefinitionFactory.class);
+    private static Map<Identifier, FunctionDefinition> mapFunctionDefinitions = new HashMap<>();
+    private static boolean needMapInit = true;
+
+    public static final Identifier ID_FUNCTION_CUSTOM_REGEXP_MATCH =
+            new IdentifierImpl("org.onap.function.regex-match");
+
+    private static final FunctionDefinition FD_CUSTOM_REGEXP_MATCH =
+            new FunctionDefinitionCustomRegexpMatch<>(ID_FUNCTION_CUSTOM_REGEXP_MATCH, DataTypes.DT_STRING);
+
+    private static void register(final FunctionDefinition functionDefinition) {
+        mapFunctionDefinitions.put(functionDefinition.getId(), functionDefinition);
+    }
 
-	public static final Identifier ID_FUNCTION_CUSTOM_REGEXP_MATCH						= new IdentifierImpl("org.onap.function.regex-match");
-	
-	private static final FunctionDefinition FD_CUSTOM_REGEXP_MATCH = new FunctionDefinitionCustomRegexpMatch<>(ID_FUNCTION_CUSTOM_REGEXP_MATCH, DataTypes.DT_STRING);
+    private static void initMap() {
 
-	private static void register(FunctionDefinition functionDefinition) {
-		mapFunctionDefinitions.put(functionDefinition.getId(), functionDefinition);
-	}
-		
-	private static void initMap() {
+        synchronized (mapFunctionDefinitions) {
+            if (needMapInit) {
+                needMapInit = false;
+                final Field[] declaredFields = StdFunctions.class.getDeclaredFields();
+                for (final Field field : declaredFields) {
+                    if (Modifier.isStatic(field.getModifiers()) && field.getName().startsWith(StdFunctions.FD_PREFIX)
+                            && FunctionDefinition.class.isAssignableFrom(field.getType())
+                            && Modifier.isPublic(field.getModifiers())) {
+                        try {
+                            register((FunctionDefinition) (field.get(null)));
+                        } catch (final IllegalAccessException ex) {
+                            logger.error(ex.getMessage() + ex);
+                        }
+                    }
+                }
+                //
+                // Our custom function
+                //
+                // register(FunctionDefinitionCustomRegexpMatch);
+                register(FD_CUSTOM_REGEXP_MATCH);
+            }
+        }
+    }
 
-			synchronized(mapFunctionDefinitions) {
-				if (needMapInit) {
-					needMapInit	= false;
-					Field[] declaredFields	= StdFunctions.class.getDeclaredFields();
-					for (Field field : declaredFields) {
-						if (Modifier.isStatic(field.getModifiers()) && 
-							field.getName().startsWith(StdFunctions.FD_PREFIX) &&
-							FunctionDefinition.class.isAssignableFrom(field.getType()) &&
-							Modifier.isPublic(field.getModifiers())
-						) {
-							try {
-								register((FunctionDefinition)(field.get(null)));
-							} catch (IllegalAccessException ex) {
-								logger.error(ex.getMessage() +ex);
-							}
-						}
-					}
-					//
-					// Our custom function
-					//
-					//register(FunctionDefinitionCustomRegexpMatch);
-					register(FD_CUSTOM_REGEXP_MATCH);
-				}
-			}
-	}
-	
-	public OnapFunctionDefinitionFactory() {
-		initMap();
-	}
+    public OnapFunctionDefinitionFactory() {
+        initMap();
+    }
 
-	@Override
-	public FunctionDefinition getFunctionDefinition(Identifier functionId) {
-		return mapFunctionDefinitions.get(functionId);
-	}
+    @Override
+    public FunctionDefinition getFunctionDefinition(final Identifier functionId) {
+        return mapFunctionDefinitions.get(functionId);
+    }
 }
diff --git a/ONAP-PDP/src/main/java/org/onap/policy/xacml/pdp/ONAPPDPEngineFactory.java b/ONAP-PDP/src/main/java/org/onap/policy/xacml/pdp/ONAPPDPEngineFactory.java
deleted file mode 100644
index 2e796bf68..000000000
--- a/ONAP-PDP/src/main/java/org/onap/policy/xacml/pdp/ONAPPDPEngineFactory.java
+++ /dev/null
@@ -1,54 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * ONAP-PDP
- * ================================================================================
- * 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.
- * ============LICENSE_END=========================================================
- */
-package org.onap.policy.xacml.pdp;
-
-import java.util.Properties;
-
-import org.onap.policy.common.logging.flexlogger.FlexLogger; 
-import org.onap.policy.common.logging.flexlogger.Logger;
-import com.att.research.xacml.api.pdp.PDPEngine;
-import com.att.research.xacml.api.pdp.PDPEngineFactory;
-import com.att.research.xacml.util.FactoryException;
-import com.att.research.xacmlatt.pdp.eval.EvaluationContextFactory;
-
-public class ONAPPDPEngineFactory extends PDPEngineFactory {
-	private Logger logger	= FlexLogger.getLogger(this.getClass());
-
-	@Override
-	public PDPEngine newEngine() throws FactoryException {
-		EvaluationContextFactory evaluationContextFactory	= EvaluationContextFactory.newInstance();
-		if (evaluationContextFactory == null) {
-			this.logger.error("Null EvaluationContextFactory");
-			throw new FactoryException("Null EvaluationContextFactory");
-		}
-		return new ONAPPDPEngine(evaluationContextFactory, this.getDefaultBehavior(), this.getScopeResolver());
-	}
-
-	@Override
-	public PDPEngine newEngine(Properties properties) throws FactoryException {
-		EvaluationContextFactory evaluationContextFactory	= EvaluationContextFactory.newInstance(properties);
-		if (evaluationContextFactory == null) {
-			this.logger.error("Null EvaluationContextFactory");
-			throw new FactoryException("Null EvaluationContextFactory");
-		}
-		return new ONAPPDPEngine(evaluationContextFactory, this.getDefaultBehavior(), this.getScopeResolver(), properties);
-	}
-
-}
diff --git a/ONAP-PDP/src/main/java/org/onap/policy/xacml/pdp/ONAPPDPEngine.java b/ONAP-PDP/src/main/java/org/onap/policy/xacml/pdp/OnapPdpEngine.java
index fb90d0a2e..42ab7e415 100644
--- a/ONAP-PDP/src/main/java/org/onap/policy/xacml/pdp/ONAPPDPEngine.java
+++ b/ONAP-PDP/src/main/java/org/onap/policy/xacml/pdp/OnapPdpEngine.java
@@ -2,14 +2,14 @@
  * ============LICENSE_START=======================================================
  * ONAP-PDP
  * ================================================================================
- * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2017-2018 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.
@@ -17,11 +17,8 @@
  * limitations under the License.
  * ============LICENSE_END=========================================================
  */
-package org.onap.policy.xacml.pdp;
-
-import java.util.Properties;
 
-import org.onap.policy.xacml.action.FindAction;
+package org.onap.policy.xacml.pdp;
 
 import com.att.research.xacml.api.Decision;
 import com.att.research.xacml.api.Request;
@@ -32,29 +29,34 @@ import com.att.research.xacml.std.StdMutableResponse;
 import com.att.research.xacmlatt.pdp.ATTPDPEngine;
 import com.att.research.xacmlatt.pdp.eval.EvaluationContextFactory;
 
-public class ONAPPDPEngine extends ATTPDPEngine {
-
-	public ONAPPDPEngine(EvaluationContextFactory evaluationContextFactoryIn, Decision defaultDecisionIn,
-			ScopeResolver scopeResolverIn, Properties properties) {
-		super(evaluationContextFactoryIn, defaultDecisionIn, scopeResolverIn, properties);
-	}
-
-	public ONAPPDPEngine(EvaluationContextFactory evaluationContextFactoryIn, Decision defaultDecisionIn,
-			ScopeResolver scopeResolverIn) {
-		super(evaluationContextFactoryIn, defaultDecisionIn, scopeResolverIn);
-	}
-
-	public ONAPPDPEngine(EvaluationContextFactory evaluationContextFactoryIn, ScopeResolver scopeResolverIn) {
-		super(evaluationContextFactoryIn, scopeResolverIn);
-	}
-
-	@Override
-	public Response decide(Request pepRequest) throws PDPException {
-		Response response = super.decide(pepRequest);
-		
-		FindAction findAction = new FindAction();
-		return findAction.run((StdMutableResponse) response, pepRequest);
-	}
+import java.util.Properties;
+
+import org.onap.policy.xacml.action.FindAction;
+
+public class OnapPdpEngine extends ATTPDPEngine {
+
+    public OnapPdpEngine(final EvaluationContextFactory evaluationContextFactoryIn, final Decision defaultDecisionIn,
+            final ScopeResolver scopeResolverIn, final Properties properties) {
+        super(evaluationContextFactoryIn, defaultDecisionIn, scopeResolverIn, properties);
+    }
+
+    public OnapPdpEngine(final EvaluationContextFactory evaluationContextFactoryIn, final Decision defaultDecisionIn,
+            final ScopeResolver scopeResolverIn) {
+        super(evaluationContextFactoryIn, defaultDecisionIn, scopeResolverIn);
+    }
+
+    public OnapPdpEngine(final EvaluationContextFactory evaluationContextFactoryIn,
+            final ScopeResolver scopeResolverIn) {
+        super(evaluationContextFactoryIn, scopeResolverIn);
+    }
+
+    @Override
+    public Response decide(final Request pepRequest) throws PDPException {
+        final Response response = super.decide(pepRequest);
+
+        final FindAction findAction = new FindAction();
+        return findAction.run((StdMutableResponse) response, pepRequest);
+    }
 
 
 }
diff --git a/ONAP-PDP/src/main/java/org/onap/policy/xacml/pdp/OnapPdpEngineFactory.java b/ONAP-PDP/src/main/java/org/onap/policy/xacml/pdp/OnapPdpEngineFactory.java
new file mode 100644
index 000000000..c19c4012a
--- /dev/null
+++ b/ONAP-PDP/src/main/java/org/onap/policy/xacml/pdp/OnapPdpEngineFactory.java
@@ -0,0 +1,57 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP-PDP
+ * ================================================================================
+ * Copyright (C) 2017-2018 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.xacml.pdp;
+
+import com.att.research.xacml.api.pdp.PDPEngine;
+import com.att.research.xacml.api.pdp.PDPEngineFactory;
+import com.att.research.xacml.util.FactoryException;
+import com.att.research.xacmlatt.pdp.eval.EvaluationContextFactory;
+
+import java.util.Properties;
+
+import org.onap.policy.common.logging.flexlogger.FlexLogger;
+import org.onap.policy.common.logging.flexlogger.Logger;
+
+public class OnapPdpEngineFactory extends PDPEngineFactory {
+    private Logger logger = FlexLogger.getLogger(this.getClass());
+
+    @Override
+    public PDPEngine newEngine() throws FactoryException {
+        final EvaluationContextFactory evaluationContextFactory = EvaluationContextFactory.newInstance();
+        if (evaluationContextFactory == null) {
+            this.logger.error("Null EvaluationContextFactory");
+            throw new FactoryException("Null EvaluationContextFactory");
+        }
+        return new OnapPdpEngine(evaluationContextFactory, this.getDefaultBehavior(), this.getScopeResolver());
+    }
+
+    @Override
+    public PDPEngine newEngine(final Properties properties) throws FactoryException {
+        final EvaluationContextFactory evaluationContextFactory = EvaluationContextFactory.newInstance(properties);
+        if (evaluationContextFactory == null) {
+            this.logger.error("Null EvaluationContextFactory");
+            throw new FactoryException("Null EvaluationContextFactory");
+        }
+        return new OnapPdpEngine(evaluationContextFactory, this.getDefaultBehavior(), this.getScopeResolver(),
+                properties);
+    }
+
+}
diff --git a/ONAP-PDP/src/main/java/org/onap/policy/xacml/pdp/std/functions/FunctionDefinitionCustomRegexpMatch.java b/ONAP-PDP/src/main/java/org/onap/policy/xacml/pdp/std/functions/FunctionDefinitionCustomRegexpMatch.java
index 590d519cc..a8b0e9d15 100644
--- a/ONAP-PDP/src/main/java/org/onap/policy/xacml/pdp/std/functions/FunctionDefinitionCustomRegexpMatch.java
+++ b/ONAP-PDP/src/main/java/org/onap/policy/xacml/pdp/std/functions/FunctionDefinitionCustomRegexpMatch.java
@@ -2,14 +2,14 @@
  * ============LICENSE_START=======================================================
  * ONAP-PDP
  * ================================================================================
- * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2017-2018 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.
@@ -17,13 +17,8 @@
  * limitations under the License.
  * ============LICENSE_END=========================================================
  */
-package org.onap.policy.xacml.pdp.std.functions;
-
-
-import java.util.List;
 
-import org.onap.policy.common.logging.flexlogger.FlexLogger;
-import org.onap.policy.common.logging.flexlogger.Logger;
+package org.onap.policy.xacml.pdp.std.functions;
 
 import com.att.research.xacml.api.DataType;
 import com.att.research.xacml.api.DataTypeException;
@@ -37,94 +32,104 @@ import com.att.research.xacmlatt.pdp.policy.FunctionArgument;
 import com.att.research.xacmlatt.pdp.std.functions.ConvertedArgument;
 import com.att.research.xacmlatt.pdp.std.functions.FunctionDefinitionBase;
 
+import java.util.List;
+
+import org.onap.policy.common.logging.flexlogger.FlexLogger;
+import org.onap.policy.common.logging.flexlogger.Logger;
+
 /**
  * FunctionDefinitionCustomRegexMatch implements {@link com.att.research.xacmlatt.pdp.policy.FunctionDefinition} to
- * implement the custom 'type'-regex-match predicates as functions taking two arguments, the first of <code>String</code>,
- * and the second of the type for that specific predicate as a regular expression,
- * and returning a <code>Boolean</code> for whether the regular expression matches the string representation of the first argument.
- * 
- * 
+ * implement the custom 'type'-regex-match predicates as functions taking two arguments, the first of
+ * <code>String</code>, and the second of the type for that specific predicate as a regular expression, and returning a
+ * <code>Boolean</code> for whether the regular expression matches the string representation of the first argument.
+ *
+ *
  * @version $Revision: 0.2 $
- * 
+ *
  * @param <I> the java class for the data type of the function Input arguments
  */
 public class FunctionDefinitionCustomRegexpMatch<I> extends FunctionDefinitionBase<Boolean, I> {
-	private static Logger logger = FlexLogger.getLogger(FunctionDefinitionCustomRegexpMatch.class);
-	
-	/**
-	 * Constructor - need dataTypeArgs input because of java Generic type-erasure during compilation.
-	 * 
-	 * @param idIn
-	 * @param dataTypeArgsIn
-	 */
-	public FunctionDefinitionCustomRegexpMatch(Identifier idIn, DataType<I> dataTypeArgsIn) {
-		super(idIn, DataTypes.DT_BOOLEAN, dataTypeArgsIn, false);
-	}
-
-
-	@Override
-	public ExpressionResult evaluate(EvaluationContext evaluationContext, List<FunctionArgument> arguments) {
-
-		if (arguments == null || arguments.size() != 2) {
-			return ExpressionResult.newError(new StdStatus(StdStatusCode.STATUS_CODE_PROCESSING_ERROR, this.getShortFunctionId() + " Expected 2 arguments, got " + 
-					((arguments == null) ? "null" : arguments.size()) ));
-		}
-		
-		// get the regular expression
-		FunctionArgument regexpArgument = arguments.get(0);
-
-		ConvertedArgument<String> convertedArgument = new ConvertedArgument<>(regexpArgument, DataTypes.DT_STRING, false);
-		if ( ! convertedArgument.isOk()) {
-			return ExpressionResult.newError(getFunctionStatus(convertedArgument.getStatus()));
-		}
-		
-		// String regexpValue = (String)regexpArgument.getValue().getValue();
-		String regexpValue	= convertedArgument.getValue();
-
-		
-		// now get the element to match
-		FunctionArgument elementArgument = arguments.get(1);
-		
-		ConvertedArgument<I> convertedElement = new ConvertedArgument<>(elementArgument, this.getDataTypeArgs(), false);
-		if ( ! convertedElement.isOk()) {
-			return ExpressionResult.newError(getFunctionStatus(convertedElement.getStatus()));
-		}
-		
-		I elementValueObject = convertedElement.getValue();
-
-		String elementValueString;
-		try {
-			elementValueString = this.getDataTypeArgs().toStringValue(elementValueObject);
-		} catch (DataTypeException e) {
-			logger.error(e.getMessage() +e);
-			String message = e.getMessage();
-			if (e.getCause() != null) {
-				message = e.getCause().getMessage();
-			}
-			return ExpressionResult.newError(new StdStatus(StdStatusCode.STATUS_CODE_PROCESSING_ERROR, this.getShortFunctionId() + " " + message));
-		}
-		
-		// ConvertedArgument checks for null value, so do not need to do again here
-		
-		// Adding this code will Change the Functionality which allows to retrieve Multiple-policy using single request.
-		elementValueString = elementValueString + regexpValue ;
-		regexpValue = elementValueString.substring(0,(elementValueString.length()- regexpValue.length()));
-		elementValueString = elementValueString.substring(regexpValue.length(),(elementValueString.length()));
-		// 
-		// Supporting multiple values in the element and be able to query them. 
-		if(elementValueString.contains(",")){
-			String[] elements = elementValueString.split(",");
-			for(int i=0; i<elements.length; i++){
-				if(elements[i].trim().matches(regexpValue)) {
-					return ER_TRUE;
-				}
-			}
-		}
-		if (elementValueString.matches(regexpValue)) {
-			return ER_TRUE;
-		} else {
-			return ER_FALSE;
-		}
-
-	}
+    private static Logger logger = FlexLogger.getLogger(FunctionDefinitionCustomRegexpMatch.class);
+
+    /**
+     * Constructor - need dataTypeArgs input because of java Generic type-erasure during compilation.
+     *
+     * @param idIn the identifier
+     * @param dataTypeArgsIn the data type
+     */
+    public FunctionDefinitionCustomRegexpMatch(final Identifier idIn, final DataType<I> dataTypeArgsIn) {
+        super(idIn, DataTypes.DT_BOOLEAN, dataTypeArgsIn, false);
+    }
+
+
+    @Override
+    public ExpressionResult evaluate(final EvaluationContext evaluationContext,
+            final List<FunctionArgument> arguments) {
+
+        if (arguments == null || arguments.size() != 2) {
+            return ExpressionResult
+                    .newError(new StdStatus(StdStatusCode.STATUS_CODE_PROCESSING_ERROR, this.getShortFunctionId()
+                            + " Expected 2 arguments, got " + ((arguments == null) ? "null" : arguments.size())));
+        }
+
+        // get the regular expression
+        final FunctionArgument regexpArgument = arguments.get(0);
+
+        final ConvertedArgument<String> convertedArgument =
+                new ConvertedArgument<>(regexpArgument, DataTypes.DT_STRING, false);
+        if (!convertedArgument.isOk()) {
+            return ExpressionResult.newError(getFunctionStatus(convertedArgument.getStatus()));
+        }
+
+        // String regexpValue = (String)regexpArgument.getValue().getValue();
+        String regexpValue = convertedArgument.getValue();
+
+
+        // now get the element to match
+        final FunctionArgument elementArgument = arguments.get(1);
+
+        final ConvertedArgument<I> convertedElement =
+                new ConvertedArgument<>(elementArgument, this.getDataTypeArgs(), false);
+        if (!convertedElement.isOk()) {
+            return ExpressionResult.newError(getFunctionStatus(convertedElement.getStatus()));
+        }
+
+        final I elementValueObject = convertedElement.getValue();
+
+        String elementValueString;
+        try {
+            elementValueString = this.getDataTypeArgs().toStringValue(elementValueObject);
+        } catch (final DataTypeException e) {
+            logger.error(e.getMessage() + e);
+            String message = e.getMessage();
+            if (e.getCause() != null) {
+                message = e.getCause().getMessage();
+            }
+            return ExpressionResult.newError(new StdStatus(StdStatusCode.STATUS_CODE_PROCESSING_ERROR,
+                    this.getShortFunctionId() + " " + message));
+        }
+
+        // ConvertedArgument checks for null value, so do not need to do again here
+
+        // Adding this code will Change the Functionality which allows to retrieve Multiple-policy using single request.
+        elementValueString = elementValueString + regexpValue;
+        regexpValue = elementValueString.substring(0, (elementValueString.length() - regexpValue.length()));
+        elementValueString = elementValueString.substring(regexpValue.length(), (elementValueString.length()));
+        //
+        // Supporting multiple values in the element and be able to query them.
+        if (elementValueString.contains(",")) {
+            final String[] elements = elementValueString.split(",");
+            for (int i = 0; i < elements.length; i++) {
+                if (elements[i].trim().matches(regexpValue)) {
+                    return ER_TRUE;
+                }
+            }
+        }
+        if (elementValueString.matches(regexpValue)) {
+            return ER_TRUE;
+        } else {
+            return ER_FALSE;
+        }
+
+    }
 }
diff --git a/ONAP-PDP/src/main/java/org/onap/policy/xacml/pdp/std/functions/PolicyList.java b/ONAP-PDP/src/main/java/org/onap/policy/xacml/pdp/std/functions/PolicyList.java
index 794276f6a..13b517dd6 100644
--- a/ONAP-PDP/src/main/java/org/onap/policy/xacml/pdp/std/functions/PolicyList.java
+++ b/ONAP-PDP/src/main/java/org/onap/policy/xacml/pdp/std/functions/PolicyList.java
@@ -2,14 +2,14 @@
  * ============LICENSE_START=======================================================
  * ONAP-PDP
  * ================================================================================
- * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2017-2018 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.
@@ -17,33 +17,43 @@
  * limitations under the License.
  * ============LICENSE_END=========================================================
  */
+
 package org.onap.policy.xacml.pdp.std.functions;
 
 import java.util.ArrayList;
 import java.util.List;
+
 /**
  * Creates a list of policy ids.
- * 
+ *
  * @version $Revision: 1.3 $
  */
 public class PolicyList {
-	
-	private static List<String> policyList = new ArrayList<>();
-	
-	
-	public static List<String> getpolicyList(){
-		return policyList;
-	}
-
-	public static void addPolicyID(String policyID){
-		if (!policyList.contains(policyID)){
-			policyList.add(policyID);
-		}
-	}
-	
-	public static void clearPolicyList(){
-		if (!policyList.isEmpty()){
-			policyList.clear();
-		}
-	}
+
+    private static List<String> policyList = new ArrayList<>();
+
+
+    public static List<String> getpolicyList() {
+        return policyList;
+    }
+
+    /**
+     * Add policy id in the policy list.
+     *
+     * @param policyId the policy id
+     */
+    public static void addPolicyId(final String policyId) {
+        if (!policyList.contains(policyId)) {
+            policyList.add(policyId);
+        }
+    }
+
+    /**
+     * Clear policy list.
+     */
+    public static void clearPolicyList() {
+        if (!policyList.isEmpty()) {
+            policyList.clear();
+        }
+    }
 }