JUnit test for policy/engine PolicyEngineAPI

Change-Id: I31991245bb5cc877722f7ce14530222a102d6472
Issue-ID: POLICY-606
Signed-off-by: waqas.ikram <waqas.ikram@ericsson.com>

8 files changed, 367 insertions, 341 deletions

diff --git a/PolicyEngineAPI/src/main/java/org/onap/policy/api/DeletePolicyCondition.java b/PolicyEngineAPI/src/main/java/org/onap/policy/api/DeletePolicyCondition.java
index 117ac716e..34b481719 100644
--- a/PolicyEngineAPI/src/main/java/org/onap/policy/api/DeletePolicyCondition.java
+++ b/PolicyEngineAPI/src/main/java/org/onap/policy/api/DeletePolicyCondition.java
@@ -29,38 +29,41 @@ import com.fasterxml.jackson.annotation.JsonCreator;
  * @version 0.1
  */
 public enum DeletePolicyCondition {
-	
-	/**
-	 * Indicates a condition to only delete the current version of the policy. 
-	 */
-	ONE("Current Version"),
-	
-	/**
-	 * Indicates a condition to delete all versions of the policy.
-	 */
-	ALL("All Versions");
-	private String name;
 
-	private DeletePolicyCondition(String name){
-		this.name = name;
-	}
+    /**
+     * Indicates a condition to only delete the current version of the policy.
+     */
+    ONE("Current Version"),
 
-	/**
-	 * Returns the <code>String</code> format of delete condition for this Policy
-	 * @return the <code>String</code> of the delete condition for this Policy
-	 */
-	@Override
-	public String toString(){
-		return this.name;
-	}
+    /**
+     * Indicates a condition to delete all versions of the policy.
+     */
+    ALL("All Versions");
 
-	@JsonCreator
-    public static DeletePolicyCondition create (String value) {
-        for(DeletePolicyCondition type: values()){
-            if(type.toString().equals(value) || type.equals(DeletePolicyCondition.valueOf(value))){
+    private final String name;
+
+    private DeletePolicyCondition(final String name) {
+        this.name = name;
+    }
+
+    /**
+     * Returns the <code>String</code> format of delete condition for this
+     * Policy
+     * 
+     * @return the <code>String</code> of the delete condition for this Policy
+     */
+    @Override
+    public String toString() {
+        return this.name;
+    }
+
+    @JsonCreator
+    public static DeletePolicyCondition create(final String value) {
+        for (final DeletePolicyCondition type : values()) {
+            if (type.toString().equalsIgnoreCase(value) || type.name().equalsIgnoreCase(value)) {
                 return type;
             }
         }
-        throw new IllegalArgumentException();
+        throw new IllegalArgumentException("Invalid value: " + value);
     }
 }
diff --git a/PolicyEngineAPI/src/main/java/org/onap/policy/api/DictionaryType.java b/PolicyEngineAPI/src/main/java/org/onap/policy/api/DictionaryType.java
index 499295d65..56b73221f 100644
--- a/PolicyEngineAPI/src/main/java/org/onap/policy/api/DictionaryType.java
+++ b/PolicyEngineAPI/src/main/java/org/onap/policy/api/DictionaryType.java
@@ -22,80 +22,82 @@ package org.onap.policy.api;
 
 import com.fasterxml.jackson.annotation.JsonCreator;
 
-public enum DictionaryType{
-	/**
-	 * Indicates Common Dictionaries. 
-	 */
-	Common("Common"),
-	/**
-	 * Indicates Action Policy Dictionaries
-	 */
-	Action("Action"),
-	/**
-	 * Indicates ClosedLoop Policy Dictionaries. 
-	 */
-	ClosedLoop("ClosedLoop"),
-	/**
-	 * Indicates Firewall Config Policy Dictionaries. 
-	 */
-	Firewall("Firewall"),
-	/**
-	 * Indicates Decision Policy Dictionaries. 
-	 */
-	Decision("Decision"),
-	/**
-	 * Indicates BRMS Policy Dictionaries. 
-	 */
-	BRMS("BRMS"),
-	/**
-	 * Indicates DCAE Micro Service Policy Dictionaries. 
-	 */
-	MicroService("MicroService"),
-	/**
-	 * Indicates Descriptive Scope Dictionaries
-	 */
-	DescriptiveScope("DescriptiveScope"),
-	/**
-	 * Indicates Policy Scope Dictionaries
-	 */
-	PolicyScope("PolicyScope"),
-	/**
-	 * Indicates Enforcer Dictionaries
-	 */
-	Enforcer("Enforcer"),
-	/**
-	 * Indicates SafePolicy Dictionaries
-	 */
-	SafePolicy("SafePolicy"),
-	/**
-	 * Enum support entry to extend dictionary 
-	 */
-	Extended("Extended"),
-	;
-	
-	private String name;
-	
-	private DictionaryType(String typeName){
-		this.name = typeName;
-	}
-	
-	/**
-	 * Returns the <code>String</code> format of Type for this <code>PolicyClass</code>
-	 * @return the <code>String</code> of the Type for this <code>PolicyClass</code>
-	 */
-	@Override
-	public String toString() {
-		return this.name;
-	}
-	
-	@JsonCreator
-    public static DictionaryType create (String value) {
-        for(DictionaryType type: values()){
-            if(type.toString().equals(value) || type.equals(DictionaryType.valueOf(value))){
+public enum DictionaryType {
+    /**
+     * Indicates Common Dictionaries.
+     */
+    Common("Common"),
+    /**
+     * Indicates Action Policy Dictionaries
+     */
+    Action("Action"),
+    /**
+     * Indicates ClosedLoop Policy Dictionaries.
+     */
+    ClosedLoop("ClosedLoop"),
+    /**
+     * Indicates Firewall Config Policy Dictionaries.
+     */
+    Firewall("Firewall"),
+    /**
+     * Indicates Decision Policy Dictionaries.
+     */
+    Decision("Decision"),
+    /**
+     * Indicates BRMS Policy Dictionaries.
+     */
+    BRMS("BRMS"),
+    /**
+     * Indicates DCAE Micro Service Policy Dictionaries.
+     */
+    MicroService("MicroService"),
+    /**
+     * Indicates Descriptive Scope Dictionaries
+     */
+    DescriptiveScope("DescriptiveScope"),
+    /**
+     * Indicates Policy Scope Dictionaries
+     */
+    PolicyScope("PolicyScope"),
+    /**
+     * Indicates Enforcer Dictionaries
+     */
+    Enforcer("Enforcer"),
+    /**
+     * Indicates SafePolicy Dictionaries
+     */
+    SafePolicy("SafePolicy"),
+    /**
+     * Enum support entry to extend dictionary
+     */
+    Extended("Extended");
+
+    private final String name;
+
+    private DictionaryType(final String typeName) {
+        this.name = typeName;
+    }
+
+    /**
+     * Returns the <code>String</code> format of Type for this
+     * <code>PolicyClass</code>
+     * 
+     * @return the <code>String</code> of the Type for this
+     *         <code>PolicyClass</code>
+     */
+    @Override
+    public String toString() {
+        return this.name;
+    }
+
+    @JsonCreator
+    public static DictionaryType create(final String value) {
+        for (final DictionaryType type : values()) {
+            if (type.toString().equalsIgnoreCase(value) || type.name().equalsIgnoreCase(value)) {
                 return type;
             }
         }
-        throw new IllegalArgumentException();
+        throw new IllegalArgumentException("Invalid value: " + value);
     }
 
 }
diff --git a/PolicyEngineAPI/src/main/java/org/onap/policy/api/PolicyClass.java b/PolicyEngineAPI/src/main/java/org/onap/policy/api/PolicyClass.java
index 6a648e8e6..fb389bb03 100644
--- a/PolicyEngineAPI/src/main/java/org/onap/policy/api/PolicyClass.java
+++ b/PolicyEngineAPI/src/main/java/org/onap/policy/api/PolicyClass.java
@@ -29,40 +29,44 @@ import com.fasterxml.jackson.annotation.JsonCreator;
  * @version 0.1
  */
 public enum PolicyClass {
-	/**
-	 * Indicates Config based Policy. 
-	 */
-	Config("Config"),
-	/**
-	 * Indicates Action based Policy. 
-	 */
-	Action("Action"),
-	/**
-	 * Indicates Decision based Policy. 
-	 */
-	Decision("Decision")
-	;
-	private String name;
-	
-	private PolicyClass(String typeName){
-		this.name = typeName;
-	}
-	
-	/**
-	 * Returns the <code>String</code> format of Type for this <code>PolicyClass</code>
-	 * @return the <code>String</code> of the Type for this <code>PolicyClass</code>
-	 */
-	@Override
-	public String toString() {
-		return this.name;
-	}
-	@JsonCreator
-    public static PolicyClass create (String value) {
-        for(PolicyClass type: values()){
-            if(type.toString().equals(value) || type.equals(PolicyClass.valueOf(value))){
+    /**
+     * Indicates Config based Policy.
+     */
+    Config("Config"),
+    /**
+     * Indicates Action based Policy.
+     */
+    Action("Action"),
+    /**
+     * Indicates Decision based Policy.
+     */
+    Decision("Decision");
+
+    private final String name;
+
+    private PolicyClass(final String typeName) {
+        this.name = typeName;
+    }
+
+    /**
+     * Returns the <code>String</code> format of Type for this
+     * <code>PolicyClass</code>
+     * 
+     * @return the <code>String</code> of the Type for this
+     *         <code>PolicyClass</code>
+     */
+    @Override
+    public String toString() {
+        return this.name;
+    }
+
+    @JsonCreator
+    public static PolicyClass create(final String value) {
+        for (final PolicyClass type : values()) {
+            if (type.toString().equalsIgnoreCase(value) || type.name().equalsIgnoreCase(value)) {
                 return type;
             }
         }
-        throw new IllegalArgumentException();
+        throw new IllegalArgumentException("Invalid value: " + value);
     }
 }
diff --git a/PolicyEngineAPI/src/main/java/org/onap/policy/api/PolicyConfigStatus.java b/PolicyEngineAPI/src/main/java/org/onap/policy/api/PolicyConfigStatus.java
index cee156786..f1bbea167 100644
--- a/PolicyEngineAPI/src/main/java/org/onap/policy/api/PolicyConfigStatus.java
+++ b/PolicyEngineAPI/src/main/java/org/onap/policy/api/PolicyConfigStatus.java
@@ -23,58 +23,63 @@ package org.onap.policy.api;
 import com.fasterxml.jackson.annotation.JsonCreator;
 
 /**
- * Enumeration of PolicyConfigStatus that can be returned as a part of 
+ * Enumeration of PolicyConfigStatus that can be returned as a part of
  * {@link org.onap.policy.api.PolicyConfig}.
  * 
  * @version 0.1
  */
-public enum PolicyConfigStatus {	
-	/**
-	 * Indicates that the Configuration has been successfully retrieved. 
-	 */
-	CONFIG_RETRIEVED("retrieved"),
-	/**
-	 * Indicates that there is no Configuration Retrieved from PolicyConfig.
-	 */
-	CONFIG_NOT_FOUND("not_found"),
-	;
-	
-	private String name;
-	private PolicyConfigStatus(String name){
-		this.name = name;
-	}
-	
-	/**
-	 * Get the <code>PolicyConfigStatus</code> based on <code>String</code> representation of <code>PolicyConfig</code>
-	 * 
-	 * @param configStatus the <code>String</code> Configuration Status
-	 * @return the <code>PolicyConfigResponse</code> with the name matching <code>CONFIG_RETRIEVED</code> or <code>CONFIG_NOT_FOUND</code>
-	 * if no match is found
-	 */
-	public static PolicyConfigStatus getStatus(String configStatus) {
-		if("retrieved".equalsIgnoreCase(configStatus)) {
-			return CONFIG_RETRIEVED;
-		}else {
-			return CONFIG_NOT_FOUND;
-		}
-	}
-	
-	/**
-	 * Returns the <code>String</code> name for this <code>PolicyConfigStatus</code>
-	 * 
-	 * @return the <code>String</code> name for this <code>PolicyConfigStatus</code>
-	 */
-	@Override
-	public String toString(){
-		return this.name;
-	}
-	@JsonCreator
-    public static PolicyConfigStatus create (String value) {
-        for(PolicyConfigStatus type: values()){
-            if(type.toString().equals(value) || type.equals(PolicyConfigStatus.valueOf(value))){
+public enum PolicyConfigStatus {
+    /**
+     * Indicates that the Configuration has been successfully retrieved.
+     */
+    CONFIG_RETRIEVED("retrieved"),
+    /**
+     * Indicates that there is no Configuration Retrieved from PolicyConfig.
+     */
+    CONFIG_NOT_FOUND("not_found");
+
+    private final String name;
+
+    private PolicyConfigStatus(final String name) {
+        this.name = name;
+    }
+
+    /**
+     * Get the <code>PolicyConfigStatus</code> based on <code>String</code>
+     * representation of <code>PolicyConfig</code>
+     * 
+     * @param configStatus
+     *            the <code>String</code> Configuration Status
+     * @return the <code>PolicyConfigResponse</code> with the name matching
+     *         <code>CONFIG_RETRIEVED</code> or <code>CONFIG_NOT_FOUND</code> if
+     *         no match is found
+     */
+    public static PolicyConfigStatus getStatus(final String configStatus) {
+        if (CONFIG_RETRIEVED.name.equalsIgnoreCase(configStatus)) {
+            return CONFIG_RETRIEVED;
+        }
+        return CONFIG_NOT_FOUND;
+    }
+
+    /**
+     * Returns the <code>String</code> name for this
+     * <code>PolicyConfigStatus</code>
+     * 
+     * @return the <code>String</code> name for this
+     *         <code>PolicyConfigStatus</code>
+     */
+    @Override
+    public String toString() {
+        return this.name;
+    }
+
+    @JsonCreator
+    public static PolicyConfigStatus create(final String value) {
+        for (final PolicyConfigStatus type : values()) {
+            if (type.toString().equalsIgnoreCase(value) || type.name().equalsIgnoreCase(value)) {
                 return type;
             }
         }
-        throw new IllegalArgumentException();
+        throw new IllegalArgumentException("Invalid value: " + value);
     }
 }
diff --git a/PolicyEngineAPI/src/main/java/org/onap/policy/api/PolicyDecision.java b/PolicyEngineAPI/src/main/java/org/onap/policy/api/PolicyDecision.java
index 6bae84cc7..782d44459 100644
--- a/PolicyEngineAPI/src/main/java/org/onap/policy/api/PolicyDecision.java
+++ b/PolicyEngineAPI/src/main/java/org/onap/policy/api/PolicyDecision.java
@@ -23,47 +23,48 @@ package org.onap.policy.api;
 import com.fasterxml.jackson.annotation.JsonCreator;
 
 /**
- * Enumeration of PolicyDecision that can be returned as a part of 
+ * Enumeration of PolicyDecision that can be returned as a part of
  * {@link org.onap.policy.api.DecisionResponse} getDecision().
  * 
  * @version 0.1
  */
 public enum PolicyDecision {
-	/**
-	 * Indicates that the Decision is to Permit. 
-	 */
-	PERMIT("permit"),
-	/**
-	 * Indicates that the Decision is to Deny. 
-	 */
-	DENY("deny"),
-	/**
-	 * Indicates that the Decision process has some issues. 
-	 */
-	ERROR("error")
-	;
-	
-	private String name;
-	private PolicyDecision(String name){
-		this.name = name;
-	}
-	
-	/**
-	 * Returns the <code>String</code> name for this <code>PolicyDecision</code>
-	 * 
-	 * @return the <code>String</code> name for this <code>PolicyDecision</code>
-	 */
-	@Override
-	public String toString(){
-		return this.name;
-	}
-	@JsonCreator
-    public static PolicyDecision create (String value) {
-        for(PolicyDecision type: values()){
-            if(type.toString().equals(value) || type.equals(PolicyDecision.valueOf(value))){
+    /**
+     * Indicates that the Decision is to Permit.
+     */
+    PERMIT("permit"),
+    /**
+     * Indicates that the Decision is to Deny.
+     */
+    DENY("deny"),
+    /**
+     * Indicates that the Decision process has some issues.
+     */
+    ERROR("error");
+
+    private final String name;
+
+    private PolicyDecision(final String name) {
+        this.name = name;
+    }
+
+    /**
+     * Returns the <code>String</code> name for this <code>PolicyDecision</code>
+     * 
+     * @return the <code>String</code> name for this <code>PolicyDecision</code>
+     */
+    @Override
+    public String toString() {
+        return this.name;
+    }
+
+    @JsonCreator
+    public static PolicyDecision create(final String value) {
+        for (final PolicyDecision type : values()) {
+            if (type.toString().equalsIgnoreCase(value) || type.name().equalsIgnoreCase(value)) {
                 return type;
             }
         }
-        throw new IllegalArgumentException();
+        throw new IllegalArgumentException("Invalid value: " + value);
     }
 }
diff --git a/PolicyEngineAPI/src/main/java/org/onap/policy/api/PolicyResponseStatus.java b/PolicyEngineAPI/src/main/java/org/onap/policy/api/PolicyResponseStatus.java
index 63cb9185c..0db373ced 100644
--- a/PolicyEngineAPI/src/main/java/org/onap/policy/api/PolicyResponseStatus.java
+++ b/PolicyEngineAPI/src/main/java/org/onap/policy/api/PolicyResponseStatus.java
@@ -28,59 +28,65 @@ import com.fasterxml.jackson.annotation.JsonCreator;
  * 
  * @version 0.2
  */
-public enum PolicyResponseStatus {	
-	/**
-	 * Indicates there is no action required.
-	 */
-	NO_ACTION_REQUIRED("no_action"),
-	/** 
-	 * Indicates that an action has been advised.
-	 */
-	ACTION_ADVISED("action_advised"),
-	/**
-	 * Indicates that an action has been taken.
-	 */
-	ACTION_TAKEN("action_taken")
-	;
-	
-	private String name;
-	private PolicyResponseStatus(String name){
-		this.name = name;
-	}
-	
-	/**
-	 * Get the <code>PolicyResponseStatus</code> based on <code>String</code> representation of <code>PolicyResponse</code>
-	 * 
-	 * @param responseStatus the <code>String</code> Response Status
-	 * @return the <code>PolicyResponseStatus</code> with the name matching <code>ACTION_ADVISED</code> or <code>ACTION_TAKEN</code> or <code>NO_ACTION_REQUIRED</code>
-	 */
-	public static PolicyResponseStatus getStatus(String responseStatus) {
-		if("action_advised".equalsIgnoreCase(responseStatus)) {
-			return ACTION_ADVISED;
-		}else if("action_taken".equalsIgnoreCase(responseStatus)) {
-			return ACTION_TAKEN;
-		}else {
-			return NO_ACTION_REQUIRED;
-		}
-	}
-	
-	/**
-	 * Returns the <code>String</code> name for this <code>PolicyResponseStatus</code>
-	 * 
-	 * @return the <code>String</code> name for this <code>PolicyResponseStatus</code>
-	 */
-	@Override
-	public String toString(){
-		return this.name;
-	}
-	
-	@JsonCreator
-    public static PolicyResponseStatus create (String value) {
-        for(PolicyResponseStatus type: values()){
-            if(type.toString().equals(value) || type.equals(PolicyResponseStatus.valueOf(value))){
+public enum PolicyResponseStatus {
+    /**
+     * Indicates there is no action required.
+     */
+    NO_ACTION_REQUIRED("no_action"),
+    /**
+     * Indicates that an action has been advised.
+     */
+    ACTION_ADVISED("action_advised"),
+    /**
+     * Indicates that an action has been taken.
+     */
+    ACTION_TAKEN("action_taken");
+
+    private final String name;
+
+    private PolicyResponseStatus(final String name) {
+        this.name = name;
+    }
+
+    /**
+     * Get the <code>PolicyResponseStatus</code> based on <code>String</code>
+     * representation of <code>PolicyResponse</code>
+     * 
+     * @param responseStatus
+     *            the <code>String</code> Response Status
+     * @return the <code>PolicyResponseStatus</code> with the name matching
+     *         <code>ACTION_ADVISED</code> or <code>ACTION_TAKEN</code> or
+     *         <code>NO_ACTION_REQUIRED</code>
+     */
+    public static PolicyResponseStatus getStatus(final String responseStatus) {
+        if (ACTION_ADVISED.name.equalsIgnoreCase(responseStatus)) {
+            return ACTION_ADVISED;
+        } else if (ACTION_TAKEN.name.equalsIgnoreCase(responseStatus)) {
+            return ACTION_TAKEN;
+        } else {
+            return NO_ACTION_REQUIRED;
+        }
+    }
+
+    /**
+     * Returns the <code>String</code> name for this
+     * <code>PolicyResponseStatus</code>
+     * 
+     * @return the <code>String</code> name for this
+     *         <code>PolicyResponseStatus</code>
+     */
+    @Override
+    public String toString() {
+        return this.name;
+    }
+
+    @JsonCreator
+    public static PolicyResponseStatus create(final String value) {
+        for (final PolicyResponseStatus type : values()) {
+            if (type.toString().equalsIgnoreCase(value) || type.name().equalsIgnoreCase(value)) {
                 return type;
             }
         }
-        throw new IllegalArgumentException();
+        throw new IllegalArgumentException("Invalid value: " + value);
     }
 }
diff --git a/PolicyEngineAPI/src/main/java/org/onap/policy/api/PolicyType.java b/PolicyEngineAPI/src/main/java/org/onap/policy/api/PolicyType.java
index a29a6c440..0ff5480bf 100644
--- a/PolicyEngineAPI/src/main/java/org/onap/policy/api/PolicyType.java
+++ b/PolicyEngineAPI/src/main/java/org/onap/policy/api/PolicyType.java
@@ -29,45 +29,48 @@ import com.fasterxml.jackson.annotation.JsonCreator;
  * @version 0.2
  */
 public enum PolicyType {
-	/**
-	 * Indicates the response is Properties type
-	 */
-	PROPERTIES("Properties"),
-	/**
-	 * Indicates the response is JSON type
-	 */
-	JSON("json"),
-	/**
-	 * Indicates the response is XML type
-	 */
-	XML("xml"),
-	/**
-	 * Indicates the response is Other type
-	 */
-	OTHER("other")
-	;
-	
-	private String name; 
-	
-	private PolicyType(String typeName) {
-		this.name = typeName;
-	}
-	
-	/**
-	 * Returns the <code>String</code> format of Type for this <code>PolicyType</code>
-	 * @return the <code>String</code> of the Type for this <code>PolicyType</code>
-	 */
-	@Override
-	public String toString() {
-		return this.name;
-	}
-	@JsonCreator
-    public static PolicyType create (String value) {
-        for(PolicyType type: values()){
-            if(type.toString().equalsIgnoreCase(value)){
+    /**
+     * Indicates the response is Properties type
+     */
+    PROPERTIES("Properties"),
+    /**
+     * Indicates the response is JSON type
+     */
+    JSON("json"),
+    /**
+     * Indicates the response is XML type
+     */
+    XML("xml"),
+    /**
+     * Indicates the response is Other type
+     */
+    OTHER("other");
+
+    private final String name;
+
+    private PolicyType(final String typeName) {
+        this.name = typeName;
+    }
+
+    /**
+     * Returns the <code>String</code> format of Type for this
+     * <code>PolicyType</code>
+     * 
+     * @return the <code>String</code> of the Type for this
+     *         <code>PolicyType</code>
+     */
+    @Override
+    public String toString() {
+        return this.name;
+    }
+
+    @JsonCreator
+    public static PolicyType create(final String value) {
+        for (final PolicyType type : values()) {
+            if (type.toString().equalsIgnoreCase(value) || type.name().equalsIgnoreCase(value)) {
                 return type;
             }
         }
-        throw new IllegalArgumentException();
-    }	
+        throw new IllegalArgumentException("Invalid value: " + value);
+    }
 }
diff --git a/PolicyEngineAPI/src/main/java/org/onap/policy/api/RuleProvider.java b/PolicyEngineAPI/src/main/java/org/onap/policy/api/RuleProvider.java
index 2e45549fc..913f32517 100644
--- a/PolicyEngineAPI/src/main/java/org/onap/policy/api/RuleProvider.java
+++ b/PolicyEngineAPI/src/main/java/org/onap/policy/api/RuleProvider.java
@@ -29,50 +29,52 @@ import com.fasterxml.jackson.annotation.JsonCreator;
  * @version 0.1
  */
 public enum RuleProvider {
-	/**
-	 * Indicates User will be defining the Rule information. 
-	 */
-	CUSTOM("Custom"),
-	/**
-	 * Indicates AAF will be providing the Rule information. 
-	 */
-	AAF("AAF"),
-	/**
-	 * Indicates Guard YAML will be providing the Rule information.
-	 */
-	GUARD_YAML("GUARD_YAML"),
-	/**
-	 * Indicates Guard BLACKLIST YAML 
-	 */
-	GUARD_BL_YAML("GUARD_BL_YAML"),
-	/**
-	 * Indicates Guard BLACKLIST YAML 
-	 */
-	RAINY_DAY("Rainy_Day")
-	;
-	
-	private String name;
-	
-	private RuleProvider(String typeName){
-		this.name = typeName;
-	}
-	
-	/**
-	 * Returns the <code>String</code> format of Type for this <code>AttributeType</code>
-	 * @return the <code>String</code> of the Type for this <code>AttributeType</code>
-	 */
-	@Override
-	public String toString() {
-		return this.name;
-	}
-	
-	@JsonCreator
-    public static RuleProvider create (String value) {
-        for(RuleProvider type: values()){
-            if(type.toString().equals(value) || type.equals(RuleProvider.valueOf(value))){
+    /**
+     * Indicates User will be defining the Rule information.
+     */
+    CUSTOM("Custom"),
+    /**
+     * Indicates AAF will be providing the Rule information.
+     */
+    AAF("AAF"),
+    /**
+     * Indicates Guard YAML will be providing the Rule information.
+     */
+    GUARD_YAML("GUARD_YAML"),
+    /**
+     * Indicates Guard BLACKLIST YAML
+     */
+    GUARD_BL_YAML("GUARD_BL_YAML"),
+    /**
+     * Indicates Guard BLACKLIST YAML
+     */
+    RAINY_DAY("Rainy_Day");
+
+    private final String name;
+
+    private RuleProvider(final String typeName) {
+        this.name = typeName;
+    }
+
+    /**
+     * Returns the <code>String</code> format of Type for this
+     * <code>AttributeType</code>
+     * 
+     * @return the <code>String</code> of the Type for this
+     *         <code>AttributeType</code>
+     */
+    @Override
+    public String toString() {
+        return this.name;
+    }
+
+    @JsonCreator
+    public static RuleProvider create(final String value) {
+        for (final RuleProvider type : values()) {
+            if (type.toString().equalsIgnoreCase(value) || type.name().equalsIgnoreCase(value)) {
                 return type;
             }
         }
-        throw new IllegalArgumentException();
+        throw new IllegalArgumentException("Invalid value: " + value);
     }
 }