New listPolicy API to check pushed policies in PDP

Issue-ID: POLICY-1410
Change-Id: I26f3f13e41a59de67e977914e4e129b79a979563
Signed-off-by: pa834y <pa834y@att.com>

3 files changed, 803 insertions, 603 deletions

diff --git a/PolicyEngineAPI/src/main/java/org/onap/policy/api/ConfigNameRequest.java b/PolicyEngineAPI/src/main/java/org/onap/policy/api/ConfigNameRequest.java
new file mode 100644
index 000000000..1a64757ca
--- /dev/null
+++ b/PolicyEngineAPI/src/main/java/org/onap/policy/api/ConfigNameRequest.java
@@ -0,0 +1,48 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP-PDP-REST
+ * ================================================================================
+ * Copyright (C) 2017-2019 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.api;
+
+import com.google.gson.Gson;
+import java.io.Serializable;
+
+public class ConfigNameRequest implements Serializable {
+    private static final long serialVersionUID = 4487978240532425305L;
+
+    private String policyName = null;
+
+    public void setPolicyName(String policyName) {
+        this.policyName = policyName;
+    }
+
+    public String getPolicyName() {
+        return policyName;
+    }
+
+    /**
+     * Used to print the input Params for getCOnfig REST call.
+     *
+     * @return JSON String of this object.
+     */
+    @Override
+    public String toString() {
+        return new Gson().toJson(this);
+    }
+}
diff --git a/PolicyEngineAPI/src/main/java/org/onap/policy/api/PolicyEngine.java b/PolicyEngineAPI/src/main/java/org/onap/policy/api/PolicyEngine.java
index b8b077c99..a664496e7 100644
--- a/PolicyEngineAPI/src/main/java/org/onap/policy/api/PolicyEngine.java
+++ b/PolicyEngineAPI/src/main/java/org/onap/policy/api/PolicyEngine.java
@@ -2,14 +2,14 @@
  * ============LICENSE_START=======================================================
  * PolicyEngineAPI
  * ================================================================================
- * Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2017-2019 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.
@@ -24,596 +24,705 @@ import java.util.Collection;
 import java.util.Map;
 import java.util.Properties;
 import java.util.UUID;
-
 import javax.json.JsonObject;
-
-import org.onap.policy.api.NotificationHandler;
-import org.onap.policy.api.PDPNotification;
 import org.onap.policy.std.StdPolicyEngine;
 
 /**
- * PolicyEngine is the Interface that applications use to make policy queries against a PEPEngine 
- * 
+ * PolicyEngine is the Interface that applications use to make policy queries against a PEPEngine
+ *
  * @version 2.0
  */
-public class PolicyEngine{
-	private final StdPolicyEngine stdPolicyEngine;
-	private NotificationScheme scheme = null;
-	private NotificationHandler handler = null;
-	
-	 /**
-   * PolicyEngine Constructor with <code>Properties</code> structure
-   * 
-   * @param properties the <code>Properties</code> structure containing the Policy engine parameters 
-   * @throws PolicyEngineException PolicyEngine Exception
-   */
-  public PolicyEngine(final Properties properties) throws PolicyEngineException {
-    this.stdPolicyEngine= new StdPolicyEngine(properties, (String)null);
-  }
-	
-	/**
-	 * PolicyEngine Constructor with <code>String</code> format of propertiesFilePathname
-	 * 
-	 * @param propertiesFilePathname the <code>String</code> format of the propertiesFilePathname 
-	 * @throws PolicyEngineException PolicyEngine Exception
-	 */
-	public PolicyEngine(final String propertiesFilePathname) throws PolicyEngineException {
-		this.stdPolicyEngine= new StdPolicyEngine(propertiesFilePathname, (String)null);
-	}
-	
-	/**
-	 * PolicyEngine Constructor with <code>Properties</code> structure
-	 * 
-	 * @param properties the <code>Properties</code> structure containing the Policy engine parameters 
-	 * @param clientKey depicts String format of Password/ Client_Key.  
-	 * @throws PolicyEngineException PolicyEngine Exception
-	 */
-	public PolicyEngine(final Properties properties, final String clientKey) throws PolicyEngineException {
-		this.stdPolicyEngine= new StdPolicyEngine(properties, clientKey);
-	}
-	
-	 /**
-   * PolicyEngine Constructor with <code>String</code> format of propertiesFilePathname
-   * 
-   * @param propertiesFilePathname the <code>String</code> format of the propertiesFilePathname
-   * @param clientKey depicts String format of Password/ Client_Key.  
-   * @throws PolicyEngineException PolicyEngine Exception
-   */
-  public PolicyEngine(final String propertiesFilePathname, final String clientKey) throws PolicyEngineException {
-    this.stdPolicyEngine= new StdPolicyEngine(propertiesFilePathname, clientKey);
-  }
-	
-	/**
-	 * PolicyEngine Constructor with <code>String</code> format of PropertiesFilePathname and <code>NotificationScheme</code>
-	 * 
-	 * @param propertiesFilePathname the <code>String</code> format of the propertiesFilePathname
-	 * @param scheme the <code>NotificationScheme</code> of {@link org.onap.policy.api.NotificationScheme} which defines the Notification Scheme
-	 * @throws PolicyEngineException PolicyEngine Exception
-	 */
-	public PolicyEngine(final String propertiesFilePathname, final NotificationScheme scheme) throws PolicyEngineException{
-		this.scheme = scheme;
-		this.stdPolicyEngine = new StdPolicyEngine(propertiesFilePathname, this.scheme);
-	}
-	
-	/**
-	 * PolicyEngine Constructor with <code>String</code> format of PropertiesFilePathname, <code>NotificationScheme</code> and <code>NotificationHandler</code>
-	 *  
-	 *  @param propertiesFilePathname the <code>String</code> format of the propertiesFilePathname 
-	 *  @param scheme the <code>NotificationScheme</code> of {@link org.onap.policy.api.NotificationScheme} which defines the Notification Scheme
-	 *  @param handler the <code>NotificationHandler</code> of {@link org.onap.policy.api.NotificationHandler} which defines what should happen when a notification is received.
-	 *  @throws PolicyEngineException PolicyEngine Exception
-	 */
-	public PolicyEngine(final String propertiesFilePathname, final NotificationScheme scheme, final NotificationHandler handler) throws PolicyEngineException {
-		this.scheme = scheme;
-		this.handler = handler;
-		this.stdPolicyEngine= new StdPolicyEngine(propertiesFilePathname,this.scheme,this.handler);
-	}
-	
-	/**
-	 * Gets the configuration from the PolicyDecisionPoint(PDP) for the <code>String</code> which represents the Policy File Name 
-	 * 
-	 * @param policyName the <code>String</code> format of the PolicyFile Name whose configuration is required. 
-	 * @return <code>Collection</code> of {@link org.onap.policy.api.PolicyConfig} which has the configuration. 
-	 * @throws PolicyConfigException PolicyConfig Exception
-	 * @deprecated use {@link #getConfig(ConfigRequestParameters configRequestParameters)} Instead.
-	 */
-	@Deprecated
-	public Collection<PolicyConfig> getConfigByPolicyName(final String policyName) throws PolicyConfigException {
-		return getConfig(setConfigRequestParameters(policyName, null, null, null, null));
-	}
-	
-	/**
-	 * Gets the configuration from the PolicyDecisionPoint(PDP) for the <code>String</code> which represents the Policy File Name 
-	 * 
-	 * @param policyName the <code>String</code> format of the PolicyFile Name whose configuration is required. 
-	 * @param requestID unique request ID which will be passed throughout the ONAP components to correlate logging messages.
-	 * A different request ID should be passed for each request.
-	 * @return <code>Collection</code> of {@link org.onap.policy.api.PolicyConfig} which has the configuration. 
-	 * @throws PolicyConfigException PolicyConfig Exception
-	 * @deprecated use {@link #getConfig(ConfigRequestParameters configRequestParameters)} Instead.
-	 */
-	@Deprecated
-	public Collection<PolicyConfig> getConfigByPolicyName(final String policyName, final UUID requestID) throws PolicyConfigException {
-		return getConfig(setConfigRequestParameters(policyName, null, null, null, requestID));	
-	}
-	
-	/**
-	 * Gets the configuration from the PolicyDecisionPoint(PDP) for the <code>String</code> which represents the onapName 
-	 * 
-	 * @param onapName the <code>String</code> format of the onapName whose configuration is required. 
-	 * @return <code>Collection</code> of {@link org.onap.policy.api.PolicyConfig} which has the configuration.
-	 * @throws PolicyConfigException PolicyConfig Exception
-	 * @deprecated use {@link #getConfig(ConfigRequestParameters)} Instead.
-	 */
-	@Deprecated
-	public Collection<PolicyConfig> getConfig(final String onapName) throws PolicyConfigException {
-		return getConfig(setConfigRequestParameters(null, onapName, null, null, null));
-	}
-	
-	/**
-	 * Gets the configuration from the PolicyDecisionPoint(PDP) for the <code>String</code> which represents the onapName 
-	 * 
-	 * @param onapName the <code>String</code> format of the onapName whose configuration is required. 
-	 * @return <code>Collection</code> of {@link org.onap.policy.api.PolicyConfig} which has the configuration.
-	 * @param requestID unique request ID which will be passed throughout the ONAP components to correlate logging messages.
-	 * A different request ID should be passed for each request.
-	 * @throws PolicyConfigException PolicyConfig Exception
-	 * @deprecated use {@link #getConfig(ConfigRequestParameters)} Instead.
-	 */
-	@Deprecated
-	public Collection<PolicyConfig> getConfig(final String onapName, final UUID requestID) throws PolicyConfigException {
-		return getConfig(setConfigRequestParameters(null, onapName, null, null, requestID));
-	}
-	
-	/**
-	 * Requests the configuration of the <code>String</code> which represents the onapName and <code>String</code>
-	 * which represents the configName and returns the configuration if different Configurations exist for the
-	 * particular onapName.  
-	 * 
-	 * @param onapName the <code>String</code> format of the onapName whose configuration is required.
-	 * @param configName the <code>String</code> format of the configurationName whose configuration is required.
-	 * @return <code>Collection</code> of {@link org.onap.policy.api.PolicyConfig} which has the configuration. 
-	 * @throws PolicyConfigException PolicyConfig Exception
-	 * @deprecated use {@link #getConfig(ConfigRequestParameters)} Instead.
-	 */
-	@Deprecated
-	public Collection<PolicyConfig> getConfig(final String onapName, final String configName) throws PolicyConfigException {
-		return getConfig(setConfigRequestParameters(null, onapName, configName, null, null));
-	}
-	
-	/**
-	 * Requests the configuration of the <code>String</code> which represents the onapName and <code>String</code>
-	 * which represents the configName and returns the configuration if different Configurations exist for the
-	 * particular onapName.  
-	 * 
-	 * @param onapName the <code>String</code> format of the onapName whose configuration is required.
-	 * @param configName the <code>String</code> format of the configurationName whose configuration is required.
-	 * @param requestID unique request ID which will be passed throughout the ONAP components to correlate logging messages.
-	 * A different request ID should be passed for each request.
-	 * @return <code>Collection</code> of {@link org.onap.policy.api.PolicyConfig} which has the configuration. 
-	 * @throws PolicyConfigException PolicyConfig Exception
-	 * @deprecated use {@link #getConfig(ConfigRequestParameters)} Instead.
-	 */
-	@Deprecated
-	public Collection<PolicyConfig> getConfig(final String onapName, final String configName, final UUID requestID) throws PolicyConfigException {
-		return getConfig(setConfigRequestParameters(null, onapName, configName, null, requestID));
-	}
-	
-	/**
-	 * Requests the configuration of the <code>String</code> which represents the onapName, <code>String</code>
-	 * which represents the configName and <code>Map</code> of <code>String,String</code> which has the configAttribute and returns the specific 
-	 * configuration related to the configAttributes mentioned.
-	 * 
-	 * @param onapName the <code>String</code> format of the onapName whose configuration is required.
-	 * @param configName the <code>String</code> format of the configurationName whose configuration is required.
-	 * @param configAttributes the <code>Map</code> of <code>String,String</code> format of the configuration attributes which are required.
-	 * @return <code>Collection</code> of {@link org.onap.policy.api.PolicyConfig} which has the configuration.
-	 * @throws PolicyConfigException PolicyConfig Exception
-	 * @deprecated use {@link #getConfig(ConfigRequestParameters)} Instead.
-	 */
-	@Deprecated
-	public Collection<PolicyConfig> getConfig(final String onapName, final String configName, final Map<String, String> configAttributes) throws PolicyConfigException{
-		return getConfig(setConfigRequestParameters(null, onapName, configName, configAttributes, null));
-	}
-	
-	/**
-	 * Requests the configuration of the <code>String</code> which represents the onapName, <code>String</code>
-	 * which represents the configName and <code>Map</code> of <code>String,String</code> which has the configAttribute and returns the specific 
-	 * configuration related to the configAttributes mentioned.
-	 * 
-	 * @param onapName the <code>String</code> format of the onapName whose configuration is required.
-	 * @param configName the <code>String</code> format of the configurationName whose configuration is required.
-	 * @param configAttributes the <code>Map</code> of <code>String,String</code> format of the configuration attributes which are required.
-	 * @param requestID unique request ID which will be passed throughout the ONAP components to correlate logging messages.
-	 * A different request ID should be passed for each request.
-	 * @return <code>Collection</code> of {@link org.onap.policy.api.PolicyConfig} which has the configuration.
-	 * @throws PolicyConfigException PolicyConfig Exception
-	 * @deprecated use {@link #getConfig(ConfigRequestParameters)} Instead.
-	 */
-	@Deprecated
-	public Collection<PolicyConfig> getConfig(final String onapName, final String configName, final Map<String, String> configAttributes, final UUID requestID) throws PolicyConfigException{
-		return getConfig(setConfigRequestParameters(null, onapName, configName, configAttributes, requestID));
-	}
-	
-	/**
-	 * Requests the configuration of the <code>ConfigRequestParameters</code> which represents the Config policy request parameters 
-	 * and returns the specific configuration related to the matching parameters. 
-	 * 
-	 * @param configRequestParameters {@link org.onap.policy.api.ConfigRequestParameters} which represents the Config policy request parameters. 
-	 * @return <code>Collection</code> of {@link org.onap.policy.api.PolicyConfig} which has the configuration.
-	 * @throws PolicyConfigException PolicyConfig Exception
-	 */
-	public Collection<PolicyConfig> getConfig(final ConfigRequestParameters configRequestParameters)  throws PolicyConfigException{
-		return stdPolicyEngine.getConfig(configRequestParameters);
-	}
-	
-	/**
-	 * Requests the list of policies based on the <code>ConfigRequestParameters</code> which represents the policy request parameters 
-	 * and returns the list of policies filtered by the parameters. 
-	 * 
-	 * @param configRequestParameters {@link org.onap.policy.api.ConfigRequestParameters} which represents the List Policy request parameters. 
-	 * @return <code>Collection</code> of <code>String</code> which returns the list of policies.
-	 * @throws PolicyConfigException PolicyConfig Exception
-	 */
-	public Collection<String> listConfig(final ConfigRequestParameters listPolicyRequestParameters)  throws PolicyConfigException{
-		return stdPolicyEngine.listConfig(listPolicyRequestParameters);
-	}
-	
-	
-	/**
-	 * Sends the Events specified to the PEP and returns back the PolicyResponse. 
-	 * 
-	 * @param eventAttributes the <code>Map</code> of <code>String,String</code> format of the eventAttributes that must contain the event ID and values.
-	 * @return <code>Collection</code> of {@link org.onap.policy.api.PolicyResponse} which has the Response. 
-	 * @throws PolicyEventException PolicyEvent Exception
-	 * @deprecated use {@link #sendEvent(EventRequestParameters)} Instead.
-	 */
-	@Deprecated
-	public Collection<PolicyResponse> sendEvent(final Map<String, String> eventAttributes) throws PolicyEventException {
-		return stdPolicyEngine.sendEvent(eventAttributes, (UUID) null);
-	}
-	
-	/**
-	 * Sends the Events specified to the PEP and returns back the PolicyResponse. 
-	 * 
-	 * @param eventAttributes the <code>Map</code> of <code>String,String</code> format of the eventAttributes that must contain the event ID and values.
-	 * @param requestID unique request ID which will be passed throughout the ONAP components to correlate logging messages.
-	 * A different request ID should be passed for each request.
-	 * @return <code>Collection</code> of {@link org.onap.policy.api.PolicyResponse} which has the Response. 
-	 * @throws PolicyEventException PolicyEvent Exception
-	 * @deprecated use {@link #sendEvent(EventRequestParameters)} Instead.
-	 */
-	@Deprecated
-	public Collection<PolicyResponse> sendEvent(final Map<String, String> eventAttributes, final UUID requestID) throws PolicyEventException {
-		return stdPolicyEngine.sendEvent(eventAttributes, requestID);
-	}
-	
-	/**
-	 * Sends the Events specified to the PEP and returns back the PolicyResponse.
-	 * 
-	 * @param eventRequestParameters {@link org.onap.policy.api.EventRequestParameters} which represents the Event Request Parameters. 
-	 * @return <code>Collection</code> of {@link org.onap.policy.api.PolicyResponse} which has the Response.
-	 * @throws PolicyEventException PolicyEvent Exception
-	 */
-	public Collection<PolicyResponse> sendEvent(final EventRequestParameters eventRequestParameters) throws PolicyEventException {
-		return stdPolicyEngine.sendEvent(eventRequestParameters);
-	}
-	
-	/**
-	 * Sends the decision Attributes specified to the PEP and returns back the PolicyDecision. 
-	 * 
-	 * @param onapName the <code>String</code> format of the onapName whose Decision is required.
-	 * @param decisionAttributes the <code>Map</code> of <code>String,String</code> format of the decisionAttributes that must contain the ID and values.
-	 * @return {@link org.onap.policy.api.DecisionResponse} which has the Decision. 
-	 * @throws PolicyDecisionException PolicyDecision Exception
-	 * @deprecated use {@link #getDecision(DecisionRequestParameters)} Instead.
-	 */
-	@Deprecated
-	public DecisionResponse getDecision(final String onapName, final Map<String,String> decisionAttributes) throws PolicyDecisionException {
-		return stdPolicyEngine.getDecision(onapName, decisionAttributes, null);
-	}
-	
-	/**
-	 * Sends the decision Attributes specified to the PEP and returns back the PolicyDecision. 
-	 * 
-	 * @param onapName the <code>String</code> format of the onapName whose Decision is required.
-	 * @param decisionAttributes the <code>Map</code> of <code>String,String</code> format of the decisionAttributes that must contain the ID and values.
-	 * @param requestID unique request ID which will be passed throughout the ONAP components to correlate logging messages.
-	 * A different request ID should be passed for each request.
-	 * @return {@link org.onap.policy.api.DecisionResponse} which has the Decision. 
-	 * @throws PolicyDecisionException PolicyDecision Exception
-	 * @deprecated use {@link #getDecision(DecisionRequestParameters)} Instead.
-	 */
-	@Deprecated
-	public DecisionResponse getDecision(final String onapName, final Map<String,String> decisionAttributes, final UUID requestID) throws PolicyDecisionException {
-		return stdPolicyEngine.getDecision(onapName, decisionAttributes, requestID);
-	}
-	
-	/**
-	 * Sends the decision Attributes specified to the PEP and returns back the PolicyDecision. 
-	 * 
-	 * @param decisionRequestParameters {@link org.onap.policy.api.DecisionRequestParameters} which represents the Decision Request Parameters.
-	 * @return {@link org.onap.policy.api.DecisionResponse} which has the Decision.
-	 * @throws PolicyDecisionException PolicyDecision Exception
-	 */
-	public DecisionResponse getDecision(final DecisionRequestParameters decisionRequestParameters) throws PolicyDecisionException {
-		return stdPolicyEngine.getDecision(decisionRequestParameters);
-	}
-	
-	/**
-	 * Retrieves the count of policies on the PAP, PDP, and Policy Engine as a whole
-	 * 
-	 * @param parameters {@link  org.onap.policy.api.MetricsRequestParameters} which represents the Parameters required to get the Policy Metrics 
-	 * @return {@link org.onap.policy.api.MetricsResponse} which consists of the response related to getMetrics Request. 
-	 * @throws PolicyException PolicyException related to the operation	 
-	 * 
-	 * */
-	public MetricsResponse getMetrics(final MetricsRequestParameters parameters) throws PolicyException {
-		return stdPolicyEngine.getMetrics(parameters);
-	}
-	
-	/**
-	 * Creates a Config Policy based on given arguments
-	 * @param policyName the <code>String</code> format of the Policy Name
-	 * @param policyDescription the <code>String</code> format of the Policy Description
-	 * @param onapName the <code>String</code> format of the ONAP Name
-	 * @param configName the <code>String</code> format of the Config Name
-	 * @param configAttributes the <code>List</code> the <code>Map</code> Attributes that must contain the key and value.
-	 * @param configType the <code>String</code> format of the Config Type
-	 * @param body the <code>String</code> format of the Policy Body
-	 * @param policyScope the <code>String</code> value of the sub scope directory where the policy will be created and stored
-	 * @param requestID unique request ID which will be passed throughout the ONAP components to correlate logging messages.
-	 * A different request ID should be passed for each request.
-	 * @param riskLevel the <code>String</code> value of risk Level. 
-	 * @param riskType the <code>String</code> value of risk Type. 
-	 * @param guard the <code>String</code> value of guard. 
-	 * @param ttlDate the <code>String</code> value of time to live Date. 
-	 * @throws PolicyException PolicyException related to the operation. 
-	 * @return <code>String</code> format of response
-	 * @deprecated use {@link #createPolicy(PolicyParameters)} Instead.
-	 */
-	@Deprecated
-	public String createConfigPolicy(final String policyName, final String policyDescription, final String onapName, final String configName, 
-												final Map<String, String> configAttributes, final String configType, final String body, final String policyScope, final UUID requestID,
-												final String riskLevel, final String riskType, final String guard, final String ttlDate) throws PolicyException {
-		return stdPolicyEngine.createUpdateConfigPolicy(policyName, policyDescription, onapName, configName, 
-				configAttributes, configType, body, policyScope, requestID,
-				riskLevel, riskType, guard, ttlDate, false);
-	}
-	
-	/**
-	 * Creates a Config Policy based on given arguments
-	 * @param policyName the <code>String</code> format of the Policy Name
-	 * @param policyDescription the <code>String</code> format of the Policy Description
-	 * @param onapName the <code>String</code> format of the ONAP Name
-	 * @param configName the <code>String</code> format of the Config Name
-	 * @param configAttributes the <code>List</code> the <code>Map</code> Attributes that must contain the key and value.
-	 * @param configType the <code>String</code> format of the Config Type
-	 * @param body the <code>String</code> format of the Policy Body
-	 * @param policyScope the <code>String</code> value of the sub scope directory where the policy will be created and stored
-	 * @param requestID unique request ID which will be passed throughout the ONAP components to correlate logging messages.
-	 * A different request ID should be passed for each request.
-	 * @param riskLevel the <code>String</code> value of risk Level. 
-	 * @param riskType the <code>String</code> value of risk Type. 
-	 * @param guard the <code>String</code> value of guard. 
-	 * @param ttlDate the <code>String</code> value of time to live Date. 
-	 * @throws PolicyException PolicyException related to the operation. 
-	 * @return <code>String</code> format of response
-	 * @deprecated use {@link #updatePolicy(PolicyParameters)} Instead.
-	 */
-	@Deprecated
-	public String updateConfigPolicy(final String policyName, final String policyDescription, final String onapName, final String configName, 
-												final Map<String, String> configAttributes, final String configType, final String body, final String policyScope, final UUID requestID,
-												final String riskLevel, final String riskType, final String guard, final String ttlDate) throws PolicyException {
-		return stdPolicyEngine.createUpdateConfigPolicy(policyName, policyDescription, onapName, configName, 
-				configAttributes, configType, body, policyScope, requestID,riskLevel, riskType, guard, ttlDate, true);
-	}
-	
-	/**
-	 * Creates a Config Firewall Policy based on given arguments
-	 * @param policyName the <code>String</code> format of the Policy Name
-	 * @param firewallJson the <code>JsonObject</code> representation of the Firewall Rules List
-	 * @param policyScope the <code>String</code> value of the sub scope directory where the policy will be created and stored
-	 * @param requestID unique request ID which will be passed throughout the ONAP components to correlate logging messages.
-	 * A different request ID should be passed for each request.
-	 * @param riskLevel the <code>String</code> value of risk Level. 
-	 * @param riskType the <code>String</code> value of risk Type. 
-	 * @param guard the <code>String</code> value of guard. 
-	 * @param ttlDate the <code>String</code> value of time to live Date. 
-	 * @throws PolicyException PolicyException related to the operation. 
-	 * @return <code>String</code> format of response.
-	 * @deprecated use {@link #createPolicy(PolicyParameters)} Instead.
-	 */
-	@Deprecated
-	public String createConfigFirewallPolicy(final String policyName, final JsonObject firewallJson, final String policyScope, final UUID requestID,
-			final String riskLevel, final String riskType, final String guard, final String ttlDate) throws PolicyException {
-		return stdPolicyEngine.createUpdateConfigFirewallPolicy(policyName, firewallJson, policyScope, requestID,riskLevel, 
-				riskType, guard, ttlDate, false);
-	}
-	
-	/**
-	 * Updates a Config Firewall Policy based on given arguments
-	 * @param policyName the <code>String</code> format of the Policy Name
-	 * @param firewallJson the <code>JsonObject</code> representation of the Firewall Rules List
-	 * @param policyScope the <code>String</code> value of the sub scope directory where the policy will be created and stored
-	 * @param requestID unique request ID which will be passed throughout the ONAP components to correlate logging messages.
-	 * A different request ID should be passed for each request.
-	 * @param riskLevel the <code>String</code> value of risk Level. 
-	 * @param riskType the <code>String</code> value of risk Type. 
-	 * @param guard the <code>String</code> value of guard. 
-	 * @param ttlDate the <code>String</code> value of time to live Date. 
-	 * @throws PolicyException PolicyException related to the operation. 
-	 * @return <code>String</code> format of response. 
-	 * @deprecated use {@link #updatePolicy(PolicyParameters)} Instead.
-	 */
-	@Deprecated
-	public String updateConfigFirewallPolicy(final String policyName, final JsonObject firewallJson, final String policyScope, final UUID requestID,
-			final String riskLevel, final String riskType, final String guard, final String ttlDate) throws PolicyException {
-		return stdPolicyEngine.createUpdateConfigFirewallPolicy(policyName, firewallJson, policyScope, requestID,riskLevel, riskType, guard, ttlDate, true);
-	}
-	
-	/**
-	 * Retrieves Dictionary Items for a specified dictionary
-	 * 
-	 * @param parameters {@link org.onap.policy.api.DictionaryParameters} which represents the Dictionary Parameters required to create a Dictionary Item. 
-	 * @return {@link org.onap.policy.api.DictionaryResponse} which consists of the response related to create dictionary item Request. 
-	 * @throws PolicyException PolicyException related to the operation	 
-	 * 
-	 * */
-	public DictionaryResponse getDictionaryItem(final DictionaryParameters parameters) throws PolicyException {
-		return stdPolicyEngine.getDictionaryItem(parameters);
-	}
-	
-	/**
-	 * Creates a Dictionary Item based on given Dictionary Parameters
-	 * 
-	 * @param parameters {@link org.onap.policy.api.DictionaryParameters} which represents the Dictionary Parameters required to create a Dictionary Item. 
-	 * @return {@link org.onap.policy.api.PolicyChangeResponse} which consists of the response related to create dictionary item Request. 
-	 * @throws PolicyException  PolicyException related to the operation. 
-	 */
-	public PolicyChangeResponse createDictionaryItem(final DictionaryParameters parameters) throws PolicyException {
-		return stdPolicyEngine.createDictionaryItem(parameters);
-	}
-	
-	/**
-	 * Updates a Dictionary Item based on given Dictionary Parameters
-	 * 
-	 * @param  parameters {@link org.onap.policy.api.DictionaryParameters} which represents the Dictionary Parameters required to update a Dictionary Item. 
-	 * @return {@link org.onap.policy.api.PolicyChangeResponse} which consists of the response related to update dictionary item Request. 
-	 * @throws PolicyException PolicyException related to the operation. 
-	 */
-	public PolicyChangeResponse updateDictionaryItem(final DictionaryParameters parameters) throws PolicyException {
-		return stdPolicyEngine.updateDictionaryItem(parameters);
-	}
-	
-	/**
-	 * Creates a Policy based on given Policy Parameters. 
-	 * 
-	 * @param policyParameters {@link org.onap.policy.api.PolicyParameters} which represents the Policy Parameters required to create a Policy. 
-	 * @return {@link org.onap.policy.api.PolicyChangeResponse} which consists of the response related to create policy Request. 
-	 * @throws PolicyException  PolicyException related to the operation. 
-	 */
-	public PolicyChangeResponse createPolicy(final PolicyParameters policyParameters) throws PolicyException {
-		return stdPolicyEngine.createPolicy(policyParameters);
-	}
-	
-	/**
-	 * Update Policy based on given Policy Parameters. 
-	 * 
-	 * @param policyParameters {@link org.onap.policy.api.PolicyParameters} which represents the Policy Parameters required to update a Policy. 
-	 * @return {@link org.onap.policy.api.PolicyChangeResponse} which consists of the response related to create policy Request. 
-	 * @throws PolicyException  PolicyException related to the operation. 
-	 */
-	public PolicyChangeResponse updatePolicy(final PolicyParameters policyParameters) throws PolicyException {
-		return stdPolicyEngine.updatePolicy(policyParameters);
-	}
-	
-	/**
-	 * Pushes the specified policy to the PDP Group. If no PDP group is selected default is used. 
-	 * 
-	 * @param policyScope the <code>String</code> value of the sub scope directory where the policy is located
-	 * @param policyName the <code>String</code> format of the Policy Name being pushed. 
-	 * @param policyType the <code>String</code> format of the Policy Type which is being pushed.  
-	 * @param pdpGroup the <code>String</code> format of the PDP Group name to which the policy needs to be pushed to. 
-	 * @param requestID unique request ID which will be passed throughout the ONAP components to correlate logging messages.
-	 * @return <code>String</code> format of the response related to the push Policy Request. 
-	 * @throws PolicyException  PolicyException related to the operation. 
-	 * @deprecated use {@link #pushPolicy(PushPolicyParameters)} instead. 
-	 */
-	@Deprecated
-	public String pushPolicy(final String policyScope, final String policyName, final String policyType, final String pdpGroup, final UUID requestID) throws PolicyException {
-		return stdPolicyEngine.pushPolicy(policyScope, policyName, policyType, pdpGroup, requestID);
-	}
-	
-	/**
-	 * Pushes the specified policy to the PDP Group. If no PDP group is selected default is used. 
-	 * 
-	 * @param pushPolicyParameters {@link org.onap.policy.api.PushPolicyParameters} which represents the Push Policy parameters required to push a policy. 
-	 * @return {@link org.onap.policy.api.PolicyChangeResponse} which consists of the response related to the push Policy Request. 
-	 * @throws PolicyException  PolicyException related to the operation. 
-	 */
-	public PolicyChangeResponse pushPolicy(final PushPolicyParameters pushPolicyParameters) throws PolicyException {
-		return stdPolicyEngine.pushPolicy(pushPolicyParameters);
-	}
-	
-	/**
-	 * Deletes the specified policy from the PAP or PDP.
-	 * 
-	 * @param deletePolicyParameters {@link org.onap.policy.api.DeletePolicyParameters} which represents the Delete Policy parameters to delete a policy.
-	 * @return {@link org.onap.policy.api.PolicyChangeResponse} which consists of the response related to the Delete Policy Request.
-	 * @throws PolicyException PolicyException related to the operation. 
-	 */
-	public PolicyChangeResponse deletePolicy(final DeletePolicyParameters deletePolicyParameters) throws PolicyException {
-		return stdPolicyEngine.deletePolicy(deletePolicyParameters);
-	}
-	
-	/**
-	 * Creates a new Policy Service based on given Service Parameters. 
-	 * 
-	 * @param importParameters {@link org.onap.policy.api.ImportParameters} which represents the Service Parameters required to create a Policy Service. 
-	 * @return {@link org.onap.policy.api.PolicyChangeResponse} which consists of the response related to create import Service. 
-	 * @throws PolicyException PolicyException related to the operation. 
-	 */
-	public PolicyChangeResponse policyEngineImport(final ImportParameters importParameters) throws PolicyException {
-		return stdPolicyEngine.policyEngineImport(importParameters);
-	}
-	
-	/**
-	 * <code>setNotification</code> allows changes to the Notification Scheme and Notification Handler
-	 * 
-	 * @param scheme the <code>NotificationScheme</code> of {@link org.onap.policy.api.NotificationScheme} which defines the Notification Scheme
-	 * @param handler the <code>NotificationHandler</code> of {@link org.onap.policy.api.NotificationHandler} which defines what should happen when a notification is received.
-	 */
-	public void setNotification(final NotificationScheme scheme, final NotificationHandler handler) {
-		this.scheme = scheme;
-		this.handler = handler;
-		stdPolicyEngine.notification(this.scheme,this.handler);
-	}
-	
-	/**
-	 * <code>clearNotification</code> shutsDown the Notification Service if the Auto Scehme Notification service is running.
-	 */
-	public void clearNotification(){
-		stdPolicyEngine.stopNotification();
-	}
-	
-	/**
-	 * <code>setNotification</code> allows changes to the Notification Scheme
-	 * 
-	 * @param scheme the <code>NotificationScheme</code> of {@link org.onap.policy.api.NotificationScheme} which defines the Notification Scheme
-	 */
-	public void setScheme(final NotificationScheme scheme){
-		this.scheme = scheme;
-		stdPolicyEngine.setScheme(this.scheme);
-	}
-	
-	/**
-	 * Gets the <code>PDPNotification</code> if there is one exists. This is used for Polling Patterns. 
-	 * 
-	 * @return <code>PDPNotification</code> of {@link org.onap.policy.api.PDPNotification} which has the Notification. 
-	 */
-	public PDPNotification getNotification() {
-		return stdPolicyEngine.getNotification();
-	}
-	
-	/**
-	 * setClientKey allows the client to use their own implementation logic for Password Protection 
-	 * and will be used to set the clear text password, this will be used while making Requests. 
-	 *   
-	 * @param clientKey depicts String format of Password/ Client_Key.  
-	 */
-	public void setClientKey(final String clientKey){
-		StdPolicyEngine.setClientKey(clientKey);
-	}
-	
-	// Internal Setter Method to help build configRequestParameters.
-	private ConfigRequestParameters setConfigRequestParameters(final String policyName, final String onapName, final String configName, final Map<String, String> configAttributes, final UUID requestID){
-		final ConfigRequestParameters configRequestParameters = new ConfigRequestParameters();
-		configRequestParameters.setPolicyName(policyName);
-		configRequestParameters.setOnapName(onapName);
-		configRequestParameters.setConfigName(configName);
-		configRequestParameters.setConfigAttributes(configAttributes);
-		configRequestParameters.setRequestID(requestID);
-		return configRequestParameters;
-	}
-}
\ No newline at end of file
+public class PolicyEngine {
+    private final StdPolicyEngine stdPolicyEngine;
+    private NotificationScheme scheme = null;
+    private NotificationHandler handler = null;
+
+    /**
+     * PolicyEngine Constructor with <code>Properties</code> structure
+     *
+     * @param properties the <code>Properties</code> structure containing the Policy engine parameters
+     * @throws PolicyEngineException PolicyEngine Exception
+     */
+    public PolicyEngine(final Properties properties) throws PolicyEngineException {
+        this.stdPolicyEngine = new StdPolicyEngine(properties, (String) null);
+    }
+
+    /**
+     * PolicyEngine Constructor with <code>String</code> format of propertiesFilePathname
+     *
+     * @param propertiesFilePathname the <code>String</code> format of the propertiesFilePathname
+     * @throws PolicyEngineException PolicyEngine Exception
+     */
+    public PolicyEngine(final String propertiesFilePathname) throws PolicyEngineException {
+        this.stdPolicyEngine = new StdPolicyEngine(propertiesFilePathname, (String) null);
+    }
+
+    /**
+     * PolicyEngine Constructor with <code>Properties</code> structure
+     *
+     * @param properties the <code>Properties</code> structure containing the Policy engine parameters
+     * @param clientKey depicts String format of Password/ Client_Key.
+     * @throws PolicyEngineException PolicyEngine Exception
+     */
+    public PolicyEngine(final Properties properties, final String clientKey) throws PolicyEngineException {
+        this.stdPolicyEngine = new StdPolicyEngine(properties, clientKey);
+    }
+
+    /**
+     * PolicyEngine Constructor with <code>String</code> format of propertiesFilePathname
+     *
+     * @param propertiesFilePathname the <code>String</code> format of the propertiesFilePathname
+     * @param clientKey depicts String format of Password/ Client_Key.
+     * @throws PolicyEngineException PolicyEngine Exception
+     */
+    public PolicyEngine(final String propertiesFilePathname, final String clientKey) throws PolicyEngineException {
+        this.stdPolicyEngine = new StdPolicyEngine(propertiesFilePathname, clientKey);
+    }
+
+    /**
+     * PolicyEngine Constructor with <code>String</code> format of PropertiesFilePathname and
+     * <code>NotificationScheme</code>
+     *
+     * @param propertiesFilePathname the <code>String</code> format of the propertiesFilePathname
+     * @param scheme the <code>NotificationScheme</code> of
+     *        {@link org.onap.policy.api.NotificationScheme} which defines the Notification Scheme
+     * @throws PolicyEngineException PolicyEngine Exception
+     */
+    public PolicyEngine(final String propertiesFilePathname, final NotificationScheme scheme)
+            throws PolicyEngineException {
+        this.scheme = scheme;
+        this.stdPolicyEngine = new StdPolicyEngine(propertiesFilePathname, this.scheme);
+    }
+
+    /**
+     * PolicyEngine Constructor with <code>String</code> format of PropertiesFilePathname,
+     * <code>NotificationScheme</code> and <code>NotificationHandler</code>
+     *
+     * @param propertiesFilePathname the <code>String</code> format of the propertiesFilePathname
+     * @param scheme the <code>NotificationScheme</code> of
+     *        {@link org.onap.policy.api.NotificationScheme} which defines the Notification Scheme
+     * @param handler the <code>NotificationHandler</code> of
+     *        {@link org.onap.policy.api.NotificationHandler} which defines what should happen when a
+     *        notification is received.
+     * @throws PolicyEngineException PolicyEngine Exception
+     */
+    public PolicyEngine(final String propertiesFilePathname, final NotificationScheme scheme,
+            final NotificationHandler handler) throws PolicyEngineException {
+        this.scheme = scheme;
+        this.handler = handler;
+        this.stdPolicyEngine = new StdPolicyEngine(propertiesFilePathname, this.scheme, this.handler);
+    }
+
+    /**
+     * Gets the configuration from the PolicyDecisionPoint(PDP) for the <code>String</code> which
+     * represents the Policy File Name
+     *
+     * @param policyName the <code>String</code> format of the PolicyFile Name whose configuration is
+     *        required.
+     * @return <code>Collection</code> of {@link org.onap.policy.api.PolicyConfig} which has the
+     *         configuration.
+     * @throws PolicyConfigException PolicyConfig Exception
+     * @deprecated use {@link #getConfig(ConfigRequestParameters configRequestParameters)} Instead.
+     */
+    @Deprecated
+    public Collection<PolicyConfig> getConfigByPolicyName(final String policyName) throws PolicyConfigException {
+        return getConfig(setConfigRequestParameters(policyName, null, null, null, null));
+    }
+
+    /**
+     * Gets the configuration from the PolicyDecisionPoint(PDP) for the <code>String</code> which
+     * represents the Policy File Name
+     *
+     * @param policyName the <code>String</code> format of the PolicyFile Name whose configuration is
+     *        required.
+     * @param requestID unique request ID which will be passed throughout the ONAP components to
+     *        correlate logging messages. A different request ID should be passed for each request.
+     * @return <code>Collection</code> of {@link org.onap.policy.api.PolicyConfig} which has the
+     *         configuration.
+     * @throws PolicyConfigException PolicyConfig Exception
+     * @deprecated use {@link #getConfig(ConfigRequestParameters configRequestParameters)} Instead.
+     */
+    @Deprecated
+    public Collection<PolicyConfig> getConfigByPolicyName(final String policyName, final UUID requestID)
+            throws PolicyConfigException {
+        return getConfig(setConfigRequestParameters(policyName, null, null, null, requestID));
+    }
+
+    /**
+     * Gets the configuration from the PolicyDecisionPoint(PDP) for the <code>String</code> which
+     * represents the onapName
+     *
+     * @param onapName the <code>String</code> format of the onapName whose configuration is required.
+     * @return <code>Collection</code> of {@link org.onap.policy.api.PolicyConfig} which has the
+     *         configuration.
+     * @throws PolicyConfigException PolicyConfig Exception
+     * @deprecated use {@link #getConfig(ConfigRequestParameters)} Instead.
+     */
+    @Deprecated
+    public Collection<PolicyConfig> getConfig(final String onapName) throws PolicyConfigException {
+        return getConfig(setConfigRequestParameters(null, onapName, null, null, null));
+    }
+
+    /**
+     * Gets the configuration from the PolicyDecisionPoint(PDP) for the <code>String</code> which
+     * represents the onapName
+     *
+     * @param onapName the <code>String</code> format of the onapName whose configuration is required.
+     * @return <code>Collection</code> of {@link org.onap.policy.api.PolicyConfig} which has the
+     *         configuration.
+     * @param requestID unique request ID which will be passed throughout the ONAP components to
+     *        correlate logging messages. A different request ID should be passed for each request.
+     * @throws PolicyConfigException PolicyConfig Exception
+     * @deprecated use {@link #getConfig(ConfigRequestParameters)} Instead.
+     */
+    @Deprecated
+    public Collection<PolicyConfig> getConfig(final String onapName, final UUID requestID)
+            throws PolicyConfigException {
+        return getConfig(setConfigRequestParameters(null, onapName, null, null, requestID));
+    }
+
+    /**
+     * Requests the configuration of the <code>String</code> which represents the onapName and
+     * <code>String</code> which represents the configName and returns the configuration if different
+     * Configurations exist for the particular onapName.
+     *
+     * @param onapName the <code>String</code> format of the onapName whose configuration is required.
+     * @param configName the <code>String</code> format of the configurationName whose configuration is
+     *        required.
+     * @return <code>Collection</code> of {@link org.onap.policy.api.PolicyConfig} which has the
+     *         configuration.
+     * @throws PolicyConfigException PolicyConfig Exception
+     * @deprecated use {@link #getConfig(ConfigRequestParameters)} Instead.
+     */
+    @Deprecated
+    public Collection<PolicyConfig> getConfig(final String onapName, final String configName)
+            throws PolicyConfigException {
+        return getConfig(setConfigRequestParameters(null, onapName, configName, null, null));
+    }
+
+    /**
+     * Requests the configuration of the <code>String</code> which represents the onapName and
+     * <code>String</code> which represents the configName and returns the configuration if different
+     * Configurations exist for the particular onapName.
+     *
+     * @param onapName the <code>String</code> format of the onapName whose configuration is required.
+     * @param configName the <code>String</code> format of the configurationName whose configuration is
+     *        required.
+     * @param requestID unique request ID which will be passed throughout the ONAP components to
+     *        correlate logging messages. A different request ID should be passed for each request.
+     * @return <code>Collection</code> of {@link org.onap.policy.api.PolicyConfig} which has the
+     *         configuration.
+     * @throws PolicyConfigException PolicyConfig Exception
+     * @deprecated use {@link #getConfig(ConfigRequestParameters)} Instead.
+     */
+    @Deprecated
+    public Collection<PolicyConfig> getConfig(final String onapName, final String configName, final UUID requestID)
+            throws PolicyConfigException {
+        return getConfig(setConfigRequestParameters(null, onapName, configName, null, requestID));
+    }
+
+    /**
+     * Requests the configuration of the <code>String</code> which represents the onapName,
+     * <code>String</code> which represents the configName and <code>Map</code> of
+     * <code>String,String</code> which has the configAttribute and returns the specific configuration
+     * related to the configAttributes mentioned.
+     *
+     * @param onapName the <code>String</code> format of the onapName whose configuration is required.
+     * @param configName the <code>String</code> format of the configurationName whose configuration is
+     *        required.
+     * @param configAttributes the <code>Map</code> of <code>String,String</code> format of the
+     *        configuration attributes which are required.
+     * @return <code>Collection</code> of {@link org.onap.policy.api.PolicyConfig} which has the
+     *         configuration.
+     * @throws PolicyConfigException PolicyConfig Exception
+     * @deprecated use {@link #getConfig(ConfigRequestParameters)} Instead.
+     */
+    @Deprecated
+    public Collection<PolicyConfig> getConfig(final String onapName, final String configName,
+            final Map<String, String> configAttributes) throws PolicyConfigException {
+        return getConfig(setConfigRequestParameters(null, onapName, configName, configAttributes, null));
+    }
+
+    /**
+     * Requests the configuration of the <code>String</code> which represents the onapName,
+     * <code>String</code> which represents the configName and <code>Map</code> of
+     * <code>String,String</code> which has the configAttribute and returns the specific configuration
+     * related to the configAttributes mentioned.
+     *
+     * @param onapName the <code>String</code> format of the onapName whose configuration is required.
+     * @param configName the <code>String</code> format of the configurationName whose configuration is
+     *        required.
+     * @param configAttributes the <code>Map</code> of <code>String,String</code> format of the
+     *        configuration attributes which are required.
+     * @param requestID unique request ID which will be passed throughout the ONAP components to
+     *        correlate logging messages. A different request ID should be passed for each request.
+     * @return <code>Collection</code> of {@link org.onap.policy.api.PolicyConfig} which has the
+     *         configuration.
+     * @throws PolicyConfigException PolicyConfig Exception
+     * @deprecated use {@link #getConfig(ConfigRequestParameters)} Instead.
+     */
+    @Deprecated
+    public Collection<PolicyConfig> getConfig(final String onapName, final String configName,
+            final Map<String, String> configAttributes, final UUID requestID) throws PolicyConfigException {
+        return getConfig(setConfigRequestParameters(null, onapName, configName, configAttributes, requestID));
+    }
+
+    /**
+     * Requests the configuration of the <code>ConfigRequestParameters</code> which represents the
+     * Config policy request parameters and returns the specific configuration related to the matching
+     * parameters.
+     *
+     * @param configRequestParameters {@link org.onap.policy.api.ConfigRequestParameters} which
+     *        represents the Config policy request parameters.
+     * @return <code>Collection</code> of {@link org.onap.policy.api.PolicyConfig} which has the
+     *         configuration.
+     * @throws PolicyConfigException PolicyConfig Exception
+     */
+    public Collection<PolicyConfig> getConfig(final ConfigRequestParameters configRequestParameters)
+            throws PolicyConfigException {
+        return stdPolicyEngine.getConfig(configRequestParameters);
+    }
+
+    /**
+     * Requests the list of policies based on the <code>ConfigRequestParameters</code> which represents
+     * the policy request parameters and returns the list of policies filtered by the parameters.
+     *
+     * @param configRequestParameters {@link org.onap.policy.api.ConfigRequestParameters} which
+     *        represents the List Policy request parameters.
+     * @return <code>Collection</code> of <code>String</code> which returns the list of policies.
+     * @throws PolicyConfigException PolicyConfig Exception
+     */
+    public Collection<String> listConfig(final ConfigRequestParameters listPolicyRequestParameters)
+            throws PolicyConfigException {
+        return stdPolicyEngine.listConfig(listPolicyRequestParameters);
+    }
+
+    /**
+     * Requests the list of policies from PDP based on the <code>ConfigNameRequest</code> which
+     * represents the policy request parameters and returns the list of policies filtered by the
+     * parameters.
+     *
+     * @param ConfigNameRequest {@link org.onap.policy.api.ConfigNameRequest} which represents the List
+     *        Policy request parameters.
+     * @return <code>Collection</code> of <code>String</code> which returns the list of policies.
+     * @throws PolicyConfigException PolicyConfig Exception
+     */
+    public Collection<String> listPolicy(final ConfigNameRequest listPolicyParams) throws PolicyConfigException {
+        return stdPolicyEngine.listPolicy(listPolicyParams);
+    }
+
+    /**
+     * Sends the Events specified to the PEP and returns back the PolicyResponse.
+     *
+     * @param eventAttributes the <code>Map</code> of <code>String,String</code> format of the
+     *        eventAttributes that must contain the event ID and values.
+     * @return <code>Collection</code> of {@link org.onap.policy.api.PolicyResponse} which has the
+     *         Response.
+     * @throws PolicyEventException PolicyEvent Exception
+     * @deprecated use {@link #sendEvent(EventRequestParameters)} Instead.
+     */
+    @Deprecated
+    public Collection<PolicyResponse> sendEvent(final Map<String, String> eventAttributes) throws PolicyEventException {
+        return stdPolicyEngine.sendEvent(eventAttributes, (UUID) null);
+    }
+
+    /**
+     * Sends the Events specified to the PEP and returns back the PolicyResponse.
+     *
+     * @param eventAttributes the <code>Map</code> of <code>String,String</code> format of the
+     *        eventAttributes that must contain the event ID and values.
+     * @param requestID unique request ID which will be passed throughout the ONAP components to
+     *        correlate logging messages. A different request ID should be passed for each request.
+     * @return <code>Collection</code> of {@link org.onap.policy.api.PolicyResponse} which has the
+     *         Response.
+     * @throws PolicyEventException PolicyEvent Exception
+     * @deprecated use {@link #sendEvent(EventRequestParameters)} Instead.
+     */
+    @Deprecated
+    public Collection<PolicyResponse> sendEvent(final Map<String, String> eventAttributes, final UUID requestID)
+            throws PolicyEventException {
+        return stdPolicyEngine.sendEvent(eventAttributes, requestID);
+    }
+
+    /**
+     * Sends the Events specified to the PEP and returns back the PolicyResponse.
+     *
+     * @param eventRequestParameters {@link org.onap.policy.api.EventRequestParameters} which represents
+     *        the Event Request Parameters.
+     * @return <code>Collection</code> of {@link org.onap.policy.api.PolicyResponse} which has the
+     *         Response.
+     * @throws PolicyEventException PolicyEvent Exception
+     */
+    public Collection<PolicyResponse> sendEvent(final EventRequestParameters eventRequestParameters)
+            throws PolicyEventException {
+        return stdPolicyEngine.sendEvent(eventRequestParameters);
+    }
+
+    /**
+     * Sends the decision Attributes specified to the PEP and returns back the PolicyDecision.
+     *
+     * @param onapName the <code>String</code> format of the onapName whose Decision is required.
+     * @param decisionAttributes the <code>Map</code> of <code>String,String</code> format of the
+     *        decisionAttributes that must contain the ID and values.
+     * @return {@link org.onap.policy.api.DecisionResponse} which has the Decision.
+     * @throws PolicyDecisionException PolicyDecision Exception
+     * @deprecated use {@link #getDecision(DecisionRequestParameters)} Instead.
+     */
+    @Deprecated
+    public DecisionResponse getDecision(final String onapName, final Map<String, String> decisionAttributes)
+            throws PolicyDecisionException {
+        return stdPolicyEngine.getDecision(onapName, decisionAttributes, null);
+    }
+
+    /**
+     * Sends the decision Attributes specified to the PEP and returns back the PolicyDecision.
+     *
+     * @param onapName the <code>String</code> format of the onapName whose Decision is required.
+     * @param decisionAttributes the <code>Map</code> of <code>String,String</code> format of the
+     *        decisionAttributes that must contain the ID and values.
+     * @param requestID unique request ID which will be passed throughout the ONAP components to
+     *        correlate logging messages. A different request ID should be passed for each request.
+     * @return {@link org.onap.policy.api.DecisionResponse} which has the Decision.
+     * @throws PolicyDecisionException PolicyDecision Exception
+     * @deprecated use {@link #getDecision(DecisionRequestParameters)} Instead.
+     */
+    @Deprecated
+    public DecisionResponse getDecision(final String onapName, final Map<String, String> decisionAttributes,
+            final UUID requestID) throws PolicyDecisionException {
+        return stdPolicyEngine.getDecision(onapName, decisionAttributes, requestID);
+    }
+
+    /**
+     * Sends the decision Attributes specified to the PEP and returns back the PolicyDecision.
+     *
+     * @param decisionRequestParameters {@link org.onap.policy.api.DecisionRequestParameters} which
+     *        represents the Decision Request Parameters.
+     * @return {@link org.onap.policy.api.DecisionResponse} which has the Decision.
+     * @throws PolicyDecisionException PolicyDecision Exception
+     */
+    public DecisionResponse getDecision(final DecisionRequestParameters decisionRequestParameters)
+            throws PolicyDecisionException {
+        return stdPolicyEngine.getDecision(decisionRequestParameters);
+    }
+
+    /**
+     * Retrieves the count of policies on the PAP, PDP, and Policy Engine as a whole
+     *
+     * @param parameters {@link org.onap.policy.api.MetricsRequestParameters} which represents the
+     *        Parameters required to get the Policy Metrics
+     * @return {@link org.onap.policy.api.MetricsResponse} which consists of the response related to
+     *         getMetrics Request.
+     * @throws PolicyException PolicyException related to the operation
+     *
+     */
+    public MetricsResponse getMetrics(final MetricsRequestParameters parameters) throws PolicyException {
+        return stdPolicyEngine.getMetrics(parameters);
+    }
+
+    /**
+     * Creates a Config Policy based on given arguments
+     *
+     * @param policyName the <code>String</code> format of the Policy Name
+     * @param policyDescription the <code>String</code> format of the Policy Description
+     * @param onapName the <code>String</code> format of the ONAP Name
+     * @param configName the <code>String</code> format of the Config Name
+     * @param configAttributes the <code>List</code> the <code>Map</code> Attributes that must contain
+     *        the key and value.
+     * @param configType the <code>String</code> format of the Config Type
+     * @param body the <code>String</code> format of the Policy Body
+     * @param policyScope the <code>String</code> value of the sub scope directory where the policy will
+     *        be created and stored
+     * @param requestID unique request ID which will be passed throughout the ONAP components to
+     *        correlate logging messages. A different request ID should be passed for each request.
+     * @param riskLevel the <code>String</code> value of risk Level.
+     * @param riskType the <code>String</code> value of risk Type.
+     * @param guard the <code>String</code> value of guard.
+     * @param ttlDate the <code>String</code> value of time to live Date.
+     * @throws PolicyException PolicyException related to the operation.
+     * @return <code>String</code> format of response
+     * @deprecated use {@link #createPolicy(PolicyParameters)} Instead.
+     */
+    @Deprecated
+    public String createConfigPolicy(final String policyName, final String policyDescription, final String onapName,
+            final String configName, final Map<String, String> configAttributes, final String configType,
+            final String body, final String policyScope, final UUID requestID, final String riskLevel,
+            final String riskType, final String guard, final String ttlDate) throws PolicyException {
+        return stdPolicyEngine.createUpdateConfigPolicy(policyName, policyDescription, onapName, configName,
+                configAttributes, configType, body, policyScope, requestID, riskLevel, riskType, guard, ttlDate, false);
+    }
+
+    /**
+     * Creates a Config Policy based on given arguments
+     *
+     * @param policyName the <code>String</code> format of the Policy Name
+     * @param policyDescription the <code>String</code> format of the Policy Description
+     * @param onapName the <code>String</code> format of the ONAP Name
+     * @param configName the <code>String</code> format of the Config Name
+     * @param configAttributes the <code>List</code> the <code>Map</code> Attributes that must contain
+     *        the key and value.
+     * @param configType the <code>String</code> format of the Config Type
+     * @param body the <code>String</code> format of the Policy Body
+     * @param policyScope the <code>String</code> value of the sub scope directory where the policy will
+     *        be created and stored
+     * @param requestID unique request ID which will be passed throughout the ONAP components to
+     *        correlate logging messages. A different request ID should be passed for each request.
+     * @param riskLevel the <code>String</code> value of risk Level.
+     * @param riskType the <code>String</code> value of risk Type.
+     * @param guard the <code>String</code> value of guard.
+     * @param ttlDate the <code>String</code> value of time to live Date.
+     * @throws PolicyException PolicyException related to the operation.
+     * @return <code>String</code> format of response
+     * @deprecated use {@link #updatePolicy(PolicyParameters)} Instead.
+     */
+    @Deprecated
+    public String updateConfigPolicy(final String policyName, final String policyDescription, final String onapName,
+            final String configName, final Map<String, String> configAttributes, final String configType,
+            final String body, final String policyScope, final UUID requestID, final String riskLevel,
+            final String riskType, final String guard, final String ttlDate) throws PolicyException {
+        return stdPolicyEngine.createUpdateConfigPolicy(policyName, policyDescription, onapName, configName,
+                configAttributes, configType, body, policyScope, requestID, riskLevel, riskType, guard, ttlDate, true);
+    }
+
+    /**
+     * Creates a Config Firewall Policy based on given arguments
+     *
+     * @param policyName the <code>String</code> format of the Policy Name
+     * @param firewallJson the <code>JsonObject</code> representation of the Firewall Rules List
+     * @param policyScope the <code>String</code> value of the sub scope directory where the policy will
+     *        be created and stored
+     * @param requestID unique request ID which will be passed throughout the ONAP components to
+     *        correlate logging messages. A different request ID should be passed for each request.
+     * @param riskLevel the <code>String</code> value of risk Level.
+     * @param riskType the <code>String</code> value of risk Type.
+     * @param guard the <code>String</code> value of guard.
+     * @param ttlDate the <code>String</code> value of time to live Date.
+     * @throws PolicyException PolicyException related to the operation.
+     * @return <code>String</code> format of response.
+     * @deprecated use {@link #createPolicy(PolicyParameters)} Instead.
+     */
+    @Deprecated
+    public String createConfigFirewallPolicy(final String policyName, final JsonObject firewallJson,
+            final String policyScope, final UUID requestID, final String riskLevel, final String riskType,
+            final String guard, final String ttlDate) throws PolicyException {
+        return stdPolicyEngine.createUpdateConfigFirewallPolicy(policyName, firewallJson, policyScope, requestID,
+                riskLevel, riskType, guard, ttlDate, false);
+    }
+
+    /**
+     * Updates a Config Firewall Policy based on given arguments
+     *
+     * @param policyName the <code>String</code> format of the Policy Name
+     * @param firewallJson the <code>JsonObject</code> representation of the Firewall Rules List
+     * @param policyScope the <code>String</code> value of the sub scope directory where the policy will
+     *        be created and stored
+     * @param requestID unique request ID which will be passed throughout the ONAP components to
+     *        correlate logging messages. A different request ID should be passed for each request.
+     * @param riskLevel the <code>String</code> value of risk Level.
+     * @param riskType the <code>String</code> value of risk Type.
+     * @param guard the <code>String</code> value of guard.
+     * @param ttlDate the <code>String</code> value of time to live Date.
+     * @throws PolicyException PolicyException related to the operation.
+     * @return <code>String</code> format of response.
+     * @deprecated use {@link #updatePolicy(PolicyParameters)} Instead.
+     */
+    @Deprecated
+    public String updateConfigFirewallPolicy(final String policyName, final JsonObject firewallJson,
+            final String policyScope, final UUID requestID, final String riskLevel, final String riskType,
+            final String guard, final String ttlDate) throws PolicyException {
+        return stdPolicyEngine.createUpdateConfigFirewallPolicy(policyName, firewallJson, policyScope, requestID,
+                riskLevel, riskType, guard, ttlDate, true);
+    }
+
+    /**
+     * Retrieves Dictionary Items for a specified dictionary
+     *
+     * @param parameters {@link org.onap.policy.api.DictionaryParameters} which represents the
+     *        Dictionary Parameters required to create a Dictionary Item.
+     * @return {@link org.onap.policy.api.DictionaryResponse} which consists of the response related to
+     *         create dictionary item Request.
+     * @throws PolicyException PolicyException related to the operation
+     *
+     */
+    public DictionaryResponse getDictionaryItem(final DictionaryParameters parameters) throws PolicyException {
+        return stdPolicyEngine.getDictionaryItem(parameters);
+    }
+
+    /**
+     * Creates a Dictionary Item based on given Dictionary Parameters
+     *
+     * @param parameters {@link org.onap.policy.api.DictionaryParameters} which represents the
+     *        Dictionary Parameters required to create a Dictionary Item.
+     * @return {@link org.onap.policy.api.PolicyChangeResponse} which consists of the response related
+     *         to create dictionary item Request.
+     * @throws PolicyException PolicyException related to the operation.
+     */
+    public PolicyChangeResponse createDictionaryItem(final DictionaryParameters parameters) throws PolicyException {
+        return stdPolicyEngine.createDictionaryItem(parameters);
+    }
+
+    /**
+     * Updates a Dictionary Item based on given Dictionary Parameters
+     *
+     * @param parameters {@link org.onap.policy.api.DictionaryParameters} which represents the
+     *        Dictionary Parameters required to update a Dictionary Item.
+     * @return {@link org.onap.policy.api.PolicyChangeResponse} which consists of the response related
+     *         to update dictionary item Request.
+     * @throws PolicyException PolicyException related to the operation.
+     */
+    public PolicyChangeResponse updateDictionaryItem(final DictionaryParameters parameters) throws PolicyException {
+        return stdPolicyEngine.updateDictionaryItem(parameters);
+    }
+
+    /**
+     * Creates a Policy based on given Policy Parameters.
+     *
+     * @param policyParameters {@link org.onap.policy.api.PolicyParameters} which represents the Policy
+     *        Parameters required to create a Policy.
+     * @return {@link org.onap.policy.api.PolicyChangeResponse} which consists of the response related
+     *         to create policy Request.
+     * @throws PolicyException PolicyException related to the operation.
+     */
+    public PolicyChangeResponse createPolicy(final PolicyParameters policyParameters) throws PolicyException {
+        return stdPolicyEngine.createPolicy(policyParameters);
+    }
+
+    /**
+     * Update Policy based on given Policy Parameters.
+     *
+     * @param policyParameters {@link org.onap.policy.api.PolicyParameters} which represents the Policy
+     *        Parameters required to update a Policy.
+     * @return {@link org.onap.policy.api.PolicyChangeResponse} which consists of the response related
+     *         to create policy Request.
+     * @throws PolicyException PolicyException related to the operation.
+     */
+    public PolicyChangeResponse updatePolicy(final PolicyParameters policyParameters) throws PolicyException {
+        return stdPolicyEngine.updatePolicy(policyParameters);
+    }
+
+    /**
+     * Pushes the specified policy to the PDP Group. If no PDP group is selected default is used.
+     *
+     * @param policyScope the <code>String</code> value of the sub scope directory where the policy is
+     *        located
+     * @param policyName the <code>String</code> format of the Policy Name being pushed.
+     * @param policyType the <code>String</code> format of the Policy Type which is being pushed.
+     * @param pdpGroup the <code>String</code> format of the PDP Group name to which the policy needs to
+     *        be pushed to.
+     * @param requestID unique request ID which will be passed throughout the ONAP components to
+     *        correlate logging messages.
+     * @return <code>String</code> format of the response related to the push Policy Request.
+     * @throws PolicyException PolicyException related to the operation.
+     * @deprecated use {@link #pushPolicy(PushPolicyParameters)} instead.
+     */
+    @Deprecated
+    public String pushPolicy(final String policyScope, final String policyName, final String policyType,
+            final String pdpGroup, final UUID requestID) throws PolicyException {
+        return stdPolicyEngine.pushPolicy(policyScope, policyName, policyType, pdpGroup, requestID);
+    }
+
+    /**
+     * Pushes the specified policy to the PDP Group. If no PDP group is selected default is used.
+     *
+     * @param pushPolicyParameters {@link org.onap.policy.api.PushPolicyParameters} which represents the
+     *        Push Policy parameters required to push a policy.
+     * @return {@link org.onap.policy.api.PolicyChangeResponse} which consists of the response related
+     *         to the push Policy Request.
+     * @throws PolicyException PolicyException related to the operation.
+     */
+    public PolicyChangeResponse pushPolicy(final PushPolicyParameters pushPolicyParameters) throws PolicyException {
+        return stdPolicyEngine.pushPolicy(pushPolicyParameters);
+    }
+
+    /**
+     * Deletes the specified policy from the PAP or PDP.
+     *
+     * @param deletePolicyParameters {@link org.onap.policy.api.DeletePolicyParameters} which represents
+     *        the Delete Policy parameters to delete a policy.
+     * @return {@link org.onap.policy.api.PolicyChangeResponse} which consists of the response related
+     *         to the Delete Policy Request.
+     * @throws PolicyException PolicyException related to the operation.
+     */
+    public PolicyChangeResponse deletePolicy(final DeletePolicyParameters deletePolicyParameters)
+            throws PolicyException {
+        return stdPolicyEngine.deletePolicy(deletePolicyParameters);
+    }
+
+    /**
+     * Creates a new Policy Service based on given Service Parameters.
+     *
+     * @param importParameters {@link org.onap.policy.api.ImportParameters} which represents the Service
+     *        Parameters required to create a Policy Service.
+     * @return {@link org.onap.policy.api.PolicyChangeResponse} which consists of the response related
+     *         to create import Service.
+     * @throws PolicyException PolicyException related to the operation.
+     */
+    public PolicyChangeResponse policyEngineImport(final ImportParameters importParameters) throws PolicyException {
+        return stdPolicyEngine.policyEngineImport(importParameters);
+    }
+
+    /**
+     * <code>setNotification</code> allows changes to the Notification Scheme and Notification Handler
+     *
+     * @param scheme the <code>NotificationScheme</code> of
+     *        {@link org.onap.policy.api.NotificationScheme} which defines the Notification Scheme
+     * @param handler the <code>NotificationHandler</code> of
+     *        {@link org.onap.policy.api.NotificationHandler} which defines what should happen when a
+     *        notification is received.
+     */
+    public void setNotification(final NotificationScheme scheme, final NotificationHandler handler) {
+        this.scheme = scheme;
+        this.handler = handler;
+        stdPolicyEngine.notification(this.scheme, this.handler);
+    }
+
+    /**
+     * <code>clearNotification</code> shutsDown the Notification Service if the Auto Scehme Notification
+     * service is running.
+     */
+    public void clearNotification() {
+        stdPolicyEngine.stopNotification();
+    }
+
+    /**
+     * <code>setNotification</code> allows changes to the Notification Scheme
+     *
+     * @param scheme the <code>NotificationScheme</code> of
+     *        {@link org.onap.policy.api.NotificationScheme} which defines the Notification Scheme
+     */
+    public void setScheme(final NotificationScheme scheme) {
+        this.scheme = scheme;
+        stdPolicyEngine.setScheme(this.scheme);
+    }
+
+    /**
+     * Gets the <code>PDPNotification</code> if there is one exists. This is used for Polling Patterns.
+     *
+     * @return <code>PDPNotification</code> of {@link org.onap.policy.api.PDPNotification} which has the
+     *         Notification.
+     */
+    public PDPNotification getNotification() {
+        return stdPolicyEngine.getNotification();
+    }
+
+    /**
+     * setClientKey allows the client to use their own implementation logic for Password Protection and
+     * will be used to set the clear text password, this will be used while making Requests.
+     *
+     * @param clientKey depicts String format of Password/ Client_Key.
+     */
+    public void setClientKey(final String clientKey) {
+        StdPolicyEngine.setClientKey(clientKey);
+    }
+
+    // Internal Setter Method to help build configRequestParameters.
+    private ConfigRequestParameters setConfigRequestParameters(final String policyName, final String onapName,
+            final String configName, final Map<String, String> configAttributes, final UUID requestID) {
+        final ConfigRequestParameters configRequestParameters = new ConfigRequestParameters();
+        configRequestParameters.setPolicyName(policyName);
+        configRequestParameters.setOnapName(onapName);
+        configRequestParameters.setConfigName(configName);
+        configRequestParameters.setConfigAttributes(configAttributes);
+        configRequestParameters.setRequestID(requestID);
+        return configRequestParameters;
+    }
+}
diff --git a/PolicyEngineAPI/src/main/java/org/onap/policy/std/StdPolicyEngine.java b/PolicyEngineAPI/src/main/java/org/onap/policy/std/StdPolicyEngine.java
index 8f3cf043a..ab356ec17 100644
--- a/PolicyEngineAPI/src/main/java/org/onap/policy/std/StdPolicyEngine.java
+++ b/PolicyEngineAPI/src/main/java/org/onap/policy/std/StdPolicyEngine.java
@@ -2,15 +2,15 @@
  * ============LICENSE_START=======================================================
  * PolicyEngineAPI
  * ================================================================================
- * Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2017-2019 AT&T Intellectual Property. All rights reserved.
  * Modified Copyright (C) 2018 Samsung Electronics Co., Ltd.
  * ================================================================================
  * 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.
@@ -60,6 +60,9 @@ import static org.onap.policy.std.utils.PolicyConfigConstants.UEB_API_SECRET_PRO
 import static org.onap.policy.std.utils.PolicyConfigConstants.UNAUTHORIZED_STATUS_CODE;
 import static org.onap.policy.std.utils.PolicyConfigConstants.UPDATE_DICTIONARY_ITEM_RESOURCE_NAME;
 import static org.onap.policy.std.utils.PolicyConfigConstants.UPDATE_POLICY_RESOURCE_NAME;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
 import java.io.BufferedReader;
 import java.io.IOException;
 import java.io.StringReader;
@@ -89,6 +92,7 @@ import javax.json.JsonReader;
 import javax.xml.parsers.DocumentBuilder;
 import javax.xml.parsers.DocumentBuilderFactory;
 import org.onap.policy.api.AttributeType;
+import org.onap.policy.api.ConfigNameRequest;
 import org.onap.policy.api.ConfigRequestParameters;
 import org.onap.policy.api.DecisionRequestParameters;
 import org.onap.policy.api.DecisionResponse;
@@ -134,13 +138,10 @@ import org.springframework.util.LinkedMultiValueMap;
 import org.springframework.web.client.HttpClientErrorException;
 import org.springframework.web.client.RestTemplate;
 import org.xml.sax.InputSource;
-import com.fasterxml.jackson.core.JsonProcessingException;
-import com.google.gson.Gson;
-import com.google.gson.GsonBuilder;
 
 /**
  * PolicyEngine Implementation class
- * 
+ *
  * @version 1.0
  */
 public class StdPolicyEngine {
@@ -169,6 +170,7 @@ public class StdPolicyEngine {
 
     private static final String UNIQUEID = UUID.randomUUID().toString();
     private static final Logger LOGGER = FlexLogger.getLogger(StdPolicyConfig.class.getName());
+    private static final String LIST_POLICY_RESOURCE_NAME = "listPolicy";
 
     /*
      * Taking the Property file even if it null.
@@ -176,7 +178,7 @@ public class StdPolicyEngine {
     public StdPolicyEngine(final String propertyFilePath, final String clientKey) throws PolicyEngineException {
         setProperty(propertyFilePath, clientKey);
     }
-    
+
     /*
      * Taking the Property structure even if it null.
      */
@@ -246,6 +248,14 @@ public class StdPolicyEngine {
     }
 
     /*
+     * listPolicies from PDP using ConfigNameRequest Implementation
+     */
+    public Collection<String> listPolicy(final ConfigNameRequest listPolicyRequestParameters)
+            throws PolicyConfigException {
+        return listPolicyImpl(listPolicyRequestParameters);
+    }
+
+    /*
      * getDecision using the decision Attributes.
      */
     public DecisionResponse getDecision(final String onapName, final Map<String, String> decisionAttributes,
@@ -488,7 +498,8 @@ public class StdPolicyEngine {
         return policyEngineImportImpl(importParameters);
     }
 
-    private PolicyChangeResponse policyEngineImportImpl(final ImportParameters importParameters) throws PolicyException {
+    private PolicyChangeResponse policyEngineImportImpl(final ImportParameters importParameters)
+            throws PolicyException {
         final LinkedMultiValueMap<String, Object> parameters = new LinkedMultiValueMap<>();
         // Create Request.
         try {
@@ -795,6 +806,38 @@ public class StdPolicyEngine {
         return policyList;
     }
 
+    public Collection<String> listPolicyImpl(final ConfigNameRequest listPolicyRequestParameters)
+            throws PolicyConfigException {
+        final Collection<String> policyList = new ArrayList<>();
+        if (junit) {
+            policyList.add(TEST_POLICY_NAME);
+            return policyList;
+        }
+        String body = null;
+        // Create Request.
+        try {
+            body = PolicyUtils.objectToJsonString(listPolicyRequestParameters);
+        } catch (final JsonProcessingException e) {
+            LOGGER.error(XACMLErrorConstants.ERROR_SCHEMA_INVALID, e);
+            throw new PolicyConfigException(XACMLErrorConstants.ERROR_SCHEMA_INVALID, e);
+        }
+        // Get Response.
+        try {
+            final ResponseEntity<String[]> result =
+                    callNewPDP(LIST_POLICY_RESOURCE_NAME, HttpMethod.POST, body, String[].class);
+            for (final String policy : result.getBody()) {
+                policyList.add(policy);
+            }
+        } catch (final Exception exception) {
+            final String defaulMessage = XACMLErrorConstants.ERROR_PROCESS_FLOW + ERROR_INVALID_PDPS + pdps;
+            final String message = getErrorMessage(exception, defaulMessage, LIST_POLICY_RESOURCE_NAME);
+            LOGGER.error(message, exception);
+            throw new PolicyConfigException(message, exception);
+        }
+
+        return policyList;
+    }
+
     private Collection<PolicyResponse> sendEventImpl(final Map<String, String> eventAttributes, final UUID requestID)
             throws PolicyEventException {
         String body = null;
@@ -851,9 +894,9 @@ public class StdPolicyEngine {
                     XACMLErrorConstants.ERROR_DATA_ISSUE + "Error NO PropertyFile Path provided");
         }
         final Properties prop = getProperties(propertyFilePath);
-        setProperty(prop,clientKey);
+        setProperty(prop, clientKey);
     }
-    
+
     private void setProperty(final Properties properties, String clientKey) throws PolicyEngineException {
         if (properties == null) {
             throw new PolicyEngineException(
@@ -922,8 +965,8 @@ public class StdPolicyEngine {
     private void readPDPPropertyURL(Properties prop, String propertyKey) throws PolicyEngineException {
         final String propertyValue = prop.getProperty(propertyKey);
         if (propertyValue == null) {
-            throw new PolicyEngineException(XACMLErrorConstants.ERROR_DATA_ISSUE
-                    + "Properties file doesn't have the PDP_URL parameter");
+            throw new PolicyEngineException(
+                    XACMLErrorConstants.ERROR_DATA_ISSUE + "Properties file doesn't have the PDP_URL parameter");
         }
         if (propertyValue.contains(SEMICOLLON)) {
             final List<String> pdpDefault = Arrays.asList(propertyValue.split(REGEX));