Fixed CheckStyle issues

Author: drpayyne

src/com/magento/idea/magento2plugin/magento/files/BlockPhp.java

@@ -2,6 +2,7 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
+
 package com.magento.idea.magento2plugin.magento.files;
 
 import com.intellij.lang.Language;
@@ -16,6 +17,9 @@ public class BlockPhp implements ModuleFileInterface {
     private static BlockPhp INSTANCE = null;
     private String fileName;
 
+    /**
+     * Getter for singleton instance of class.
+     */
     public static BlockPhp getInstance(String className) {
         if (null == INSTANCE) {
             INSTANCE = new BlockPhp();

src/com/magento/idea/magento2plugin/magento/files/ComposerJson.java

@@ -2,6 +2,7 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
+
 package com.magento.idea.magento2plugin.magento.files;
 
 import com.intellij.json.JsonLanguage;
@@ -14,6 +15,9 @@ public class ComposerJson implements ModuleFileInterface {
     public static String NO_DEPENDENCY_LABEL = "None";
     private static ComposerJson INSTANCE = null;
 
+    /**
+     * Getter for singleton instance of class.
+     */
     public static ComposerJson getInstance() {
         if (null == INSTANCE) {
             INSTANCE = new ComposerJson();

src/com/magento/idea/magento2plugin/magento/files/CronjobTemplate.java

@@ -2,6 +2,7 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
+
 package com.magento.idea.magento2plugin.magento.files;
 
 import com.intellij.lang.Language;

src/com/magento/idea/magento2plugin/magento/files/CrontabXmlTemplate.java

@@ -2,6 +2,7 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
+
 package com.magento.idea.magento2plugin.magento.files;
 
 import com.intellij.lang.Language;

src/com/magento/idea/magento2plugin/magento/files/ModuleEventsXml.java

@@ -2,6 +2,7 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
+
 package com.magento.idea.magento2plugin.magento.files;
 
 import com.intellij.lang.Language;
@@ -21,6 +22,9 @@ public class ModuleEventsXml implements ModuleFileInterface {
 
     private static ModuleEventsXml INSTANCE = null;
 
+    /**
+     * Getter for singleton instance of class.
+     */
     public static ModuleEventsXml getInstance() {
         if (null == INSTANCE) {
             INSTANCE = new ModuleEventsXml();

src/com/magento/idea/magento2plugin/magento/files/ModuleXml.java

@@ -2,6 +2,7 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
+
 package com.magento.idea.magento2plugin.magento.files;
 
 import com.intellij.lang.Language;
@@ -13,6 +14,9 @@ public class ModuleXml implements ModuleFileInterface {
     public static String TEMPLATE = "Magento Module XML";
     private static ModuleXml INSTANCE = null;
 
+    /**
+     * Getter for singleton instance of class.
+     */
     public static ModuleXml getInstance() {
         if (null == INSTANCE) {
             INSTANCE = new ModuleXml();

src/com/magento/idea/magento2plugin/magento/files/PhpPreference.java

@@ -2,6 +2,7 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
+
 package com.magento.idea.magento2plugin.magento.files;
 
 import com.intellij.lang.Language;
@@ -13,6 +14,9 @@ public class PhpPreference implements ModuleFileInterface {
     private static PhpPreference INSTANCE = null;
     private String fileName;
 
+    /**
+     * Getter for singleton instance of class.
+     */
     public static PhpPreference getInstance(String className) {
         if (null == INSTANCE) {
             INSTANCE = new PhpPreference();

src/com/magento/idea/magento2plugin/magento/files/RegistrationPhp.java

@@ -2,6 +2,7 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
+
 package com.magento.idea.magento2plugin.magento.files;
 
 import com.intellij.lang.Language;
@@ -13,6 +14,9 @@ public class RegistrationPhp implements ModuleFileInterface {
     public static String REGISTER_METHOD_NAME = "register";
     private static RegistrationPhp INSTANCE = null;
 
+    /**
+     * Getter for singleton instance of class.
+     */
     public static RegistrationPhp getInstance() {
         if (null == INSTANCE) {
             INSTANCE = new RegistrationPhp();

src/com/magento/idea/magento2plugin/magento/files/ViewModelPhp.java

@@ -2,6 +2,7 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
+
 package com.magento.idea.magento2plugin.magento.files;
 
 import com.intellij.lang.Language;
@@ -10,12 +11,16 @@
 public class ViewModelPhp implements ModuleFileInterface {
     public static String TEMPLATE = "Magento Regular Class";
     public static String DEFAULT_DIR = "ViewModel";
-    public static String INTERFACE_FQN = "Magento\\Framework\\View\\Element\\Block\\ArgumentInterface";
+    public static String INTERFACE_FQN
+            = "Magento\\Framework\\View\\Element\\Block\\ArgumentInterface";
     public static String INTERFACE_NAME = "ArgumentInterface";
 
     private static ViewModelPhp INSTANCE = null;
     private String fileName;
 
+    /**
+     * Getter for singleton instance of class.
+     */
     public static ViewModelPhp getInstance(String className) {
         if (null == INSTANCE) {
             INSTANCE = new ViewModelPhp();