updates

bindings/java/src/org/sleuthkit/datamodel/ContentStreamProvider.java

+/*
+ * SleuthKit Java Bindings
+ *
+ * Copyright 2023 Basis Technology Corp.
+ * Contact: carrier <at> sleuthkit <dot> org
+ *
+ * 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.
+ */
+package org.sleuthkit.datamodel;
+
+import java.util.Optional;
+
+/**
+ * Custom provider for bytes of an abstract file.
+ */
+public interface ContentStreamProvider {
+
+	/**
+	 * Provides a content stream for a content object or empty if this provider
+	 * has none to provide.
+	 *
+	 * @param content The content.
+	 *
+	 * @return The content stream or empty if no stream can be provided for this
+	 *         content.
+	 */
+	Optional<ContentProviderStream> getContentStream(Content content) throws TskCoreException;
+}