SAK-43462 Kernel Resource should be less verbose (sakaiproject#8065)

In this change Resource class was instatiated everywhere with no
real benefit. This change moves to a static implementation.

citations/citations-tool/tool/src/java/org/sakaiproject/citation/tool/CitationHelperAction.java

@@ -633,8 +633,8 @@ public void init() throws ServletException {
 
 		String resourceClass = scs.getString(RESOURCECLASS, DEFAULT_RESOURCECLASS);
 		String resourceBundle = scs.getString(RESOURCEBUNDLE, DEFAULT_RESOURCEBUNDLE);
-		srb = new Resource().getLoader(resourceClass, resourceBundle);		
-		
+		srb = Resource.getResourceLoader(resourceClass, resourceBundle);
+
 		if(scs != null) {
 			defaultListPageSize = scs.getInt("citations.default.list.page.size", DEFAULT_LIST_PAGE_SIZE);
 		} else {

content/content-tool/tool/src/java/org/sakaiproject/content/tool/FilePickerAction.java

@@ -166,7 +166,7 @@ public class FilePickerAction extends PagedResourceHelperAction
 	private static final String RESOURCEBUNDLE = "resource.bundle.shared";
 	private String resourceClass = ServerConfigurationService.getString(RESOURCECLASS, DEFAULT_RESOURCECLASS);
 	private String resourceBundle = ServerConfigurationService.getString(RESOURCEBUNDLE, DEFAULT_RESOURCEBUNDLE);
-	private ResourceLoader srb = new Resource().getLoader(resourceClass, resourceBundle);
+	private ResourceLoader srb = Resource.getResourceLoader(resourceClass, resourceBundle);
 
 	/** CloudStorage **/
 	private boolean onedriveOn = ServerConfigurationService.getBoolean(OneDriveService.ONEDRIVE_ENABLED, Boolean.FALSE);

content/content-tool/tool/src/java/org/sakaiproject/content/tool/ResourcesAction.java

@@ -456,7 +456,7 @@ public void setParent(String parent)
 	private static final String RESOURCEBUNDLE = "resource.bundle.shared";
 	private final String resourceClass = ServerConfigurationService.getString(RESOURCECLASS, DEFAULT_RESOURCECLASS);
 	private final String resourceBundle = ServerConfigurationService.getString(RESOURCEBUNDLE, DEFAULT_RESOURCEBUNDLE);
-	private final ResourceLoader srb = new Resource().getLoader(resourceClass, resourceBundle);
+	private final ResourceLoader srb = Resource.getResourceLoader(resourceClass, resourceBundle);
 
 	static final ResourceConditionsHelper conditionsHelper = new ResourceConditionsHelper();
 

content/content-tool/tool/src/java/org/sakaiproject/content/tool/SiteEmailNotificationDragAndDrop.java

@@ -101,7 +101,7 @@ public SiteEmailNotificationDragAndDrop(String siteId)
 	private void loadResources(ServerConfigurationService serverConfigurationService) {
 		resourceClass = serverConfigurationService.getString(RESOURCECLASS, DEFAULT_RESOURCECLASS);
 		resourceBundle = serverConfigurationService.getString(RESOURCEBUNDLE, DEFAULT_RESOURCEBUNDLE);
-		rb = new Resource().getLoader(resourceClass, resourceBundle);
+		rb = Resource.getResourceLoader(resourceClass, resourceBundle);
 	}
 
 	/**

content/content-types/src/java/org/sakaiproject/content/types/FileUploadType.java

@@ -74,7 +74,7 @@ public class FileUploadType extends BaseResourceType
 	private static final String RESOURCEBUNDLE = "resource.bundle.type";
 	private String resourceClass = ServerConfigurationService.getString(RESOURCECLASS, DEFAULT_RESOURCECLASS);
 	private String resourceBundle = ServerConfigurationService.getString(RESOURCEBUNDLE, DEFAULT_RESOURCEBUNDLE);
-	private ResourceLoader rb = new Resource().getLoader(resourceClass, resourceBundle);
+	private ResourceLoader rb = Resource.getResourceLoader(resourceClass, resourceBundle);
 	// private static ResourceLoader rb = new ResourceLoader("types");
 
 	private Localizer localizer(final String string) {

content/content-types/src/java/org/sakaiproject/content/types/FolderType.java

@@ -84,7 +84,7 @@ public class FolderType extends BaseResourceType implements ExpandableResourceTy
 	private static final String RESOURCEBUNDLE = "resource.bundle.type";
 	private String resourceClass = ServerConfigurationService.getString(RESOURCECLASS, DEFAULT_RESOURCECLASS);
 	private String resourceBundle = ServerConfigurationService.getString(RESOURCEBUNDLE, DEFAULT_RESOURCEBUNDLE);
-	private ResourceLoader rb = new Resource().getLoader(resourceClass, resourceBundle);
+	private ResourceLoader rb = Resource.getResourceLoader(resourceClass, resourceBundle);
 	// private static ResourceLoader rb = new ResourceLoader("types");
 
 	protected EnumMap<ActionType, List<ResourceToolAction>> actionMap = new EnumMap<ActionType, List<ResourceToolAction>>(ActionType.class);

content/content-types/src/java/org/sakaiproject/content/types/HtmlDocumentType.java

@@ -59,7 +59,7 @@ public class HtmlDocumentType extends BaseResourceType
 	private static final String RESOURCEBUNDLE = "resource.bundle.type";
 	private String resourceClass = ServerConfigurationService.getString(RESOURCECLASS, DEFAULT_RESOURCECLASS);
 	private String resourceBundle = ServerConfigurationService.getString(RESOURCEBUNDLE, DEFAULT_RESOURCEBUNDLE);
-	private ResourceLoader rb = new Resource().getLoader(resourceClass, resourceBundle);
+	private ResourceLoader rb = Resource.getResourceLoader(resourceClass, resourceBundle);
 	// private static ResourceLoader rb = new ResourceLoader("types");
 
 	protected EnumMap<ActionType, List<ResourceToolAction>> actionMap = new EnumMap<ActionType, List<ResourceToolAction>>(ActionType.class);

content/content-types/src/java/org/sakaiproject/content/types/MakeSitePageAction.java

@@ -49,7 +49,7 @@ public MakeSitePageAction(String id, ActionType actionType, String typeId)
 	private static final String RESOURCEBUNDLE = "resource.bundle.type";
 	private String resourceClass = ServerConfigurationService.getString(RESOURCECLASS, DEFAULT_RESOURCECLASS);
 	private String resourceBundle = ServerConfigurationService.getString(RESOURCEBUNDLE, DEFAULT_RESOURCEBUNDLE);
-	private ResourceLoader rb = new Resource().getLoader(resourceClass, resourceBundle);
+	private ResourceLoader rb = Resource.getResourceLoader(resourceClass, resourceBundle);
 
 	public boolean available(ContentEntity entity) {;
 		return ServerConfigurationService.getBoolean("content.make.site.page",true)

content/content-types/src/java/org/sakaiproject/content/types/TextDocumentType.java

@@ -63,7 +63,7 @@ public class TextDocumentType extends BaseResourceType
 	private static final String RESOURCEBUNDLE = "resource.bundle.type";
 	private String resourceClass = ServerConfigurationService.getString(RESOURCECLASS, DEFAULT_RESOURCECLASS);
 	private String resourceBundle = ServerConfigurationService.getString(RESOURCEBUNDLE, DEFAULT_RESOURCEBUNDLE);
-	private ResourceLoader rb = new Resource().getLoader(resourceClass, resourceBundle);
+	private ResourceLoader rb = Resource.getResourceLoader(resourceClass, resourceBundle);
 
 	protected EnumMap<ActionType, List<ResourceToolAction>> actionMap = new EnumMap<ActionType, List<ResourceToolAction>>(ActionType.class);
 	protected Map<String, ResourceToolAction> actions = new HashMap<String, ResourceToolAction>();	

content/content-types/src/java/org/sakaiproject/content/types/UrlResourceType.java

@@ -59,7 +59,7 @@ public class UrlResourceType extends BaseResourceType
 	private ServerConfigurationService serverConfigurationService =  (ServerConfigurationService) ComponentManager.get("org.sakaiproject.component.api.ServerConfigurationService");;
 	private String resourceClass = serverConfigurationService.getString(RESOURCECLASS, DEFAULT_RESOURCECLASS);
 	private String resourceBundle = serverConfigurationService.getString(RESOURCEBUNDLE, DEFAULT_RESOURCEBUNDLE);
-	private ResourceLoader rb = new Resource().getLoader(resourceClass, resourceBundle);
+	private ResourceLoader rb = Resource.getResourceLoader(resourceClass, resourceBundle);
 
 	// private static ResourceLoader rb = new ResourceLoader("types");
 

kernel/kernel-impl/src/main/java/org/sakaiproject/authz/impl/BaseAuthzGroupService.java

@@ -285,7 +285,7 @@ public void init()
 			// Get resource bundle
 			String resourceClass = serverConfigurationService().getString(RESOURCECLASS, DEFAULT_RESOURCECLASS);
 			String resourceBundle = serverConfigurationService().getString(RESOURCEBUNDLE, DEFAULT_RESOURCEBUNDLE);
-			rb = new Resource().getLoader(resourceClass, resourceBundle);
+			rb = Resource.getResourceLoader(resourceClass, resourceBundle);
 
 			m_relativeAccessPoint = REFERENCE_ROOT;
 

kernel/kernel-impl/src/main/java/org/sakaiproject/content/impl/BaseContentService.java

@@ -854,7 +854,7 @@ public void init()
 			// Get resource bundle
 			String resourceClass = m_serverConfigurationService.getString(RESOURCECLASS, DEFAULT_RESOURCECLASS);
 			String resourceBundle = m_serverConfigurationService.getString(RESOURCEBUNDLE, DEFAULT_RESOURCEBUNDLE);
-			rb = new Resource().getLoader(resourceClass, resourceBundle);
+			rb = Resource.getResourceLoader(resourceClass, resourceBundle);
 
 			m_relativeAccessPoint = REFERENCE_ROOT;
 

kernel/kernel-impl/src/main/java/org/sakaiproject/content/impl/BasicContentTypeImageService.java

@@ -174,10 +174,10 @@ public void init()
 		String imageClassFileBundle = serverConfigurationService.getString(IMAGECLASSFILEBUNDLE, DEFAULT_IMAGECLASSFILEBUNDLE);
 		String nameFileBundle = serverConfigurationService.getString(NAMEFILEBUNDLE, DEFAULT_NAMEFILEBUNDLE);
 
-		m_contentTypeExtensions = new Resource().getLoader(resourceClass, extensionFileBundle);
-		m_contentTypeImages = new Resource().getLoader(resourceClass, imageFileBundle);
-		m_contentTypeImageClasses = new Resource().getLoader(resourceClass, imageClassFileBundle);
-		m_contentTypeDisplayNames = new Resource().getLoader(resourceClass, nameFileBundle);
+		m_contentTypeExtensions = Resource.getResourceLoader(resourceClass, extensionFileBundle);
+		m_contentTypeImages = Resource.getResourceLoader(resourceClass, imageFileBundle);
+		m_contentTypeImageClasses = Resource.getResourceLoader(resourceClass, imageClassFileBundle);
+		m_contentTypeDisplayNames = Resource.getResourceLoader(resourceClass, nameFileBundle);
 
 		// read the content type extensions file, using extension as the key
 		if (m_contentTypeExtensions != null) {

kernel/kernel-impl/src/main/java/org/sakaiproject/content/impl/DropboxNotification.java

@@ -116,7 +116,7 @@ public DropboxNotification() {
 	private void loadResources() {
 		resourceClass = serverConfigurationService.getString(RESOURCECLASS, DEFAULT_RESOURCECLASS);
 		resourceBundle = serverConfigurationService.getString(RESOURCEBUNDLE, DEFAULT_RESOURCEBUNDLE);
-		rb = new Resource().getLoader(resourceClass, resourceBundle);
+		rb = Resource.getResourceLoader(resourceClass, resourceBundle);
 	}
 
 	public DropboxNotification(SecurityService securityService, ContentHostingService contentHostingService, EntityManager entityManager,

kernel/kernel-impl/src/main/java/org/sakaiproject/content/impl/SiteEmailNotificationContent.java

@@ -122,7 +122,7 @@ public SiteEmailNotificationContent(SecurityService securityService, ServerConfi
 	private void loadResources(ServerConfigurationService serverConfigurationService) {
 		resourceClass = serverConfigurationService.getString(RESOURCECLASS, DEFAULT_RESOURCECLASS);
 		resourceBundle = serverConfigurationService.getString(RESOURCEBUNDLE, DEFAULT_RESOURCEBUNDLE);
-		rb = new Resource().getLoader(resourceClass, resourceBundle);
+		rb = Resource.getResourceLoader(resourceClass, resourceBundle);
 	}
 
 	/**

kernel/kernel-impl/src/main/java/org/sakaiproject/content/user/prefs/ContentUserNotificationPreferencesRegistrationImpl.java

@@ -50,7 +50,7 @@ public ResourceLoader getResourceLoader(String location) {
 
 		String resourceClass = getServerConfigurationService().getString(RESOURCECLASS, DEFAULT_RESOURCECLASS);
 		String resourceBundle = getServerConfigurationService().getString(RESOURCEBUNDLE, DEFAULT_RESOURCEBUNDLE);
-		ResourceLoader loader = new Resource().getLoader(resourceClass, resourceBundle);
+		ResourceLoader loader = Resource.getResourceLoader(resourceClass, resourceBundle);
 		return loader;
 	}
 

kernel/kernel-impl/src/main/java/org/sakaiproject/email/impl/BaseDigestService.java

@@ -641,7 +641,7 @@ public void init()
 		// Resource Bundle
 		String resourceClass = serverConfigurationService.getString(RESOURCECLASS, DEFAULT_RESOURCECLASS);
 		String resourceBundle = serverConfigurationService.getString(RESOURCEBUNDLE, DEFAULT_RESOURCEBUNDLE);
-		rb = new Resource().getLoader(resourceClass, resourceBundle);
+		rb = Resource.getResourceLoader(resourceClass, resourceBundle);
 
 		// USE A TIMER INSTEAD OF CREATING A NEW THREAD -AZ
 		// start();

kernel/kernel-impl/src/main/java/org/sakaiproject/site/impl/BaseSiteService.java

@@ -450,7 +450,7 @@ public void init()
 			// Get resource bundle
 			String resourceClass = serverConfigurationService().getString(RESOURCECLASS, DEFAULT_RESOURCECLASS);
 			String resourceBundle = serverConfigurationService().getString(RESOURCEBUNDLE, DEFAULT_RESOURCEBUNDLE);
-			rb = new Resource().getLoader(resourceClass, resourceBundle);
+			rb = Resource.getResourceLoader(resourceClass, resourceBundle);
 
 			m_relativeAccessPoint = REFERENCE_ROOT;
 

kernel/kernel-impl/src/main/java/org/sakaiproject/tool/impl/ToolResourceFactory.java

@@ -40,7 +40,7 @@ public ResourceLoader createInstance() {
 		String resourceBundle = serverConfigurationService.getString(RESOURCEBUNDLE, DEFAULT_RESOURCEBUNDLE);
 
 		// Resource starts up the ComponentManager through the cover.
-		return new Resource().getLoader(resourceClass, resourceBundle);
+		return Resource.getResourceLoader(resourceClass, resourceBundle);
 	}
 
 	public void setServerConfigurationService(ServerConfigurationService serverConfigurationService) {

kernel/kernel-impl/src/main/java/org/sakaiproject/util/impl/FormattedTextImpl.java

@@ -243,7 +243,7 @@ private boolean defaultLowSecurity() {
     public ResourceLoader getResourceLoader() {
         String resourceClass = serverConfigurationService.getString(RESOURCECLASS, DEFAULT_RESOURCECLASS);
         String resourceBundle = serverConfigurationService.getString(RESOURCEBUNDLE, DEFAULT_RESOURCEBUNDLE);
-        ResourceLoader loader = new Resource().getLoader(resourceClass, resourceBundle);
+        ResourceLoader loader = Resource.getResourceLoader(resourceClass, resourceBundle);
         return loader;
     }   
 

kernel/kernel-impl/src/test/java/org/sakaiproject/util/impl/ResourceTest.java

@@ -46,9 +46,8 @@ public void setUp() throws Exception {
 	@Test
 	public void test() {
 		// KNL-888 Check that multiple calls to getLoader() return the correct loader.
-		Resource resource = new Resource();
-		ResourceLoader loader1 = resource.getLoader(ContentHostingService.class.getName(), "bundle1");
-		ResourceLoader loader2 = resource.getLoader(ContentHostingService.class.getName(), "bundle2");
+		ResourceLoader loader1 = Resource.getResourceLoader(ContentHostingService.class.getName(), "bundle1");
+		ResourceLoader loader2 = Resource.getResourceLoader(ContentHostingService.class.getName(), "bundle2");
 		assertEquals("Bundle 1", loader1.getString("example"));
 		assertEquals("Bundle 2", loader2.getString("example"));
 	}

kernel/kernel-util/src/main/java/org/sakaiproject/content/util/ZipContentUtil.java

@@ -83,7 +83,7 @@ public class ZipContentUtil {
     private static final String DEFAULT_RESOURCEBUNDLE = "org.sakaiproject.localization.bundle.content.content";
     private static final String RESOURCECLASS = "resource.class.content";
     private static final String RESOURCEBUNDLE = "resource.bundle.content";
-	private static ResourceLoader rb = new Resource().getLoader(ServerConfigurationService.getString(RESOURCECLASS, DEFAULT_RESOURCECLASS), ServerConfigurationService.getString(RESOURCEBUNDLE, DEFAULT_RESOURCEBUNDLE));
+	private static ResourceLoader rb = Resource.getResourceLoader(ServerConfigurationService.getString(RESOURCECLASS, DEFAULT_RESOURCECLASS), ServerConfigurationService.getString(RESOURCEBUNDLE, DEFAULT_RESOURCEBUNDLE));
 
     public static int getMaxZipExtractFiles() {
         if(MAX_ZIP_EXTRACT_FILES == null){

kernel/kernel-util/src/main/java/org/sakaiproject/util/Resource.java

@@ -21,38 +21,31 @@
 
 package org.sakaiproject.util;
 
-import lombok.extern.slf4j.Slf4j;
-
 import org.sakaiproject.component.cover.ComponentManager;
-import org.sakaiproject.util.ResourceLoader;
+
+import lombok.extern.slf4j.Slf4j;
 
 /**
- * This class allows a resource bundle to be made accessible though a spring bean. 
+ * This class allows a resource bundle to be made accessible though a spring bean.
  * This allows properties to be shared across multiple artifacts without each project having their own
  * copy of the bundle.
- *
  */
 @Slf4j
 public class Resource {
-	public Resource() {
-		// constructor
-	}
-
-	/**
-	 * Get localized resource bundle via classLoader.
-	 * @param className Java class name providing access to the *.properties file
-	 * @param bundleName default name of bundle.
-	 * @return ResourceLoader or <code>null</code> if the ResourceLoader failed to load.
-	 */
-	public ResourceLoader getLoader(String resourceClass, String resourceBundle) {
-		ResourceLoader loader = null;
-		try {
-			loader = new ResourceLoader(resourceBundle, ComponentManager.get(resourceClass).getClass().getClassLoader());
-			}
-		catch (Exception e) {
-			log.warn("WARN: Localized bundle not found: " + e.toString());
-		}
-
-		return loader;
-	}
+
+    /**
+     * get localized resource bundle via classLoader.
+     *
+     * @param className  class name providing access to the *.properties file
+     * @param bundleName default name of bundle.
+     * @return ResourceLoader or <code>null</code> if the ResourceLoader failed to load.
+     */
+    public static ResourceLoader getResourceLoader(String className, String bundleName) {
+        try {
+            return new ResourceLoader(bundleName, ComponentManager.get(className).getClass().getClassLoader());
+        } catch (Exception e) {
+            log.debug("Localized bundle {} not found, {}", bundleName, e.toString());
+        }
+        return null;
+    }
 }

portal/portal-impl/impl/src/java/org/sakaiproject/portal/charon/SkinnableCharonPortal.java

@@ -157,7 +157,7 @@ public class SkinnableCharonPortal extends HttpServlet implements Portal
 	 * messages.
 	 */
 	private static ResourceLoader rloader = new ResourceLoader("sitenav");
-	private static ResourceLoader cmLoader = new Resource().getLoader("org.sakaiproject.portal.api.PortalService", "connection-manager");
+	private static ResourceLoader cmLoader = Resource.getResourceLoader("org.sakaiproject.portal.api.PortalService", "connection-manager");
 
 	/**
 	 * Parameter value to indicate to look up a tool ID within a site

portal/portal-impl/impl/src/java/org/sakaiproject/portal/entityprovider/PortalEntityProvider.java

@@ -219,7 +219,7 @@ public ActionReturn getFormattedProfile(EntityReference ref, Map<String, Object>
 
 		String currentUserId = getCheckedCurrentUser();
 
-		ResourceLoader rl = new Resource().getLoader("org.sakaiproject.portal.api.PortalService", "profile-popup");
+		ResourceLoader rl = Resource.getResourceLoader("org.sakaiproject.portal.api.PortalService", "profile-popup");
 
 		UserProfile userProfile = (UserProfile) profileLogic.getUserProfile(ref.getId());
 

webservices/cxf/src/java/org/sakaiproject/webservices/SakaiI18n.java

@@ -75,7 +75,7 @@ public String getI18nProperties(
             if (StringUtils.isNotBlank(resourceClass) && StringUtils.isNotBlank(resourceBundle)) {
                 try {
                     // load from spring using SakaiApplicationContext
-                    rb = new Resource().getLoader(resourceClass, resourceBundle);
+                    rb = Resource.getResourceLoader(resourceClass, resourceBundle);
                     if (rb == null) {
                         // load from shared lib
                         rb = new ResourceLoader(resourceBundle, Class.forName(resourceClass).getClassLoader());