Namespace support in NGResourceLoader, skeleton for usage in the manager

Author: hugithordarson

ng-appserver/src/main/java/ng/appserver/resources/NGResourceLoader.java

@@ -39,30 +39,31 @@ public String identifier() {
 		}
 	}
 
-	private Map<ResourceType, List<ResourceSource>> _resourceSources = new ConcurrentHashMap<>();
+	private Map<String, Map<ResourceType, List<ResourceSource>>> _allResourceSources = new ConcurrentHashMap<>();
 
 	public void addResourceSource( final String namespace, final ResourceType type, final ResourceSource source ) {
-		List<ResourceSource> sources = _resourceSources.get( type );
-
-		if( sources == null ) {
-			sources = new ArrayList<>();
-			_resourceSources.put( type, sources );
-		}
-
-		sources.add( source );
-		_resourceSources.put( type, sources );
+		_allResourceSources
+				.computeIfAbsent( namespace, _unused -> new ConcurrentHashMap<>() )
+				.computeIfAbsent( type, _unused -> new ArrayList<>() )
+				.add( source );
 	}
 
 	/**
 	 * @return The named resource if it exists, an empty optional if not found
 	 */
-	private Optional<byte[]> readResource( final ResourceType type, String resourcePath ) {
-		Objects.requireNonNull( type );
+	private Optional<byte[]> readResource( final String namespace, final ResourceType resourceType, String resourcePath ) {
+		Objects.requireNonNull( resourceType );
 		Objects.requireNonNull( resourcePath );
 
-		final List<ResourceSource> list = _resourceSources.get( type );
+		final Map<ResourceType, List<ResourceSource>> sourceMapForNamespace = _allResourceSources.get( namespace );
+
+		if( sourceMapForNamespace == null ) {
+			return Optional.empty();
+		}
+
+		final List<ResourceSource> sourceListForType = sourceMapForNamespace.get( resourceType );
 
-		if( list == null ) {
+		if( sourceListForType == null ) {
 			return Optional.empty();
 		}
 
@@ -73,7 +74,7 @@ private Optional<byte[]> readResource( final ResourceType type, String resourceP
 			resourcePath = resourcePath.substring( 1 );
 		}
 
-		for( ResourceSource source : list ) {
+		for( ResourceSource source : sourceListForType ) {
 			final Optional<byte[]> result = source.bytesForResourceWithPath( resourcePath );
 
 			// FIXME: We should (optionally?) allow iterating through all registered sources to check for duplicates // Hugi 2024-06-14
@@ -88,8 +89,8 @@ private Optional<byte[]> readResource( final ResourceType type, String resourceP
 	/**
 	 * @return The named resource if it exists, an empty optional if not found
 	 */
-	public Optional<byte[]> bytesForResource( final ResourceType type, String resourcePath ) {
-		return readResource( type, resourcePath );
+	public Optional<byte[]> bytesForResource( final String namespace, final ResourceType type, String resourcePath ) {
+		return readResource( namespace, type, resourcePath );
 	}
 
 	/**

ng-appserver/src/main/java/ng/appserver/resources/NGResourceManager.java

@@ -54,22 +54,22 @@ private NGResourceLoader resourceLoader() {
 	}
 
 	public Optional<byte[]> bytesForAppResourceNamed( final String resourceName ) {
-		return bytesForAnyResource( resourceName, StandardResourceType.App );
+		return bytesForAnyResource( "app", resourceName, StandardResourceType.App );
 	}
 
 	public Optional<byte[]> bytesForWebserverResourceNamed( final String resourceName ) {
-		return bytesForAnyResource( resourceName, StandardResourceType.WebServer );
+		return bytesForAnyResource( "app", resourceName, StandardResourceType.WebServer );
 	}
 
 	public Optional<byte[]> bytesForComponentResourceNamed( final String resourceName ) {
-		return bytesForAnyResource( resourceName, StandardResourceType.ComponentTemplate );
+		return bytesForAnyResource( "app", resourceName, StandardResourceType.ComponentTemplate );
 	}
 
 	public Optional<byte[]> bytesForPublicResourceNamed( final String resourceName ) {
-		return bytesForAnyResource( resourceName, StandardResourceType.Public );
+		return bytesForAnyResource( "app", resourceName, StandardResourceType.Public );
 	}
 
-	private Optional<byte[]> bytesForAnyResource( final String resourceName, ResourceType resourceType ) {
+	private Optional<byte[]> bytesForAnyResource( final String namespace, final String resourceName, ResourceType resourceType ) {
 		Objects.requireNonNull( resourceName );
 		Objects.requireNonNull( resourceType );
 
@@ -84,12 +84,12 @@ private Optional<byte[]> bytesForAnyResource( final String resourceName, Resourc
 
 			// FIXME: Applies to both non-existing and un-cached resources. Add an "I already checked this, it doesn't exist" resource cache entry
 			if( resource == null ) {
-				resource = resourceLoader().bytesForResource( resourceType, resourceName );
+				resource = resourceLoader().bytesForResource( namespace, resourceType, resourceName );
 				cacheMap.put( resourceName, resource );
 			}
 		}
 		else {
-			resource = resourceLoader().bytesForResource( resourceType, resourceName );
+			resource = resourceLoader().bytesForResource( namespace, resourceType, resourceName );
 		}
 
 		return resource;